petersonev/accounting
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

significant cleanup, restructuring, query parsing

Browse Source
This commit is contained in:
Evan Peterson 2025-12-05 23:44:46 -05:00
parent 38fcb89343
commit 94bffebd8f
Signed by: petersonev
GPG Key ID: 26BC6134519C4FC6
32 changed files with 1347 additions and 1159 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/core/amounts.rs
View File

@ -5,6 +5,13 @@ use rust_decimal_macros::dec;
use super::{common::generate_id, CoreError};
#[derive(Debug, PartialEq, Clone)]
pub struct RawAmount {
pub value: Decimal,
pub unit_symbol: String,
pub is_unit_prefix: bool,
}
#[derive(Debug, PartialEq, Clone, Copy)]
pub struct Amount {
pub value: Decimal,
@ -35,10 +42,7 @@ pub struct Unit {
impl Amount {
pub fn at_opt_price(&self, price: Option<Amount>) -> Amount {
if let Some(p) = price {
Amount {
value: self.value * p.value,
unit_id: p.unit_id,
}
Amount { value: self.value * p.value, unit_id: p.unit_id }
} else {
*self
}
@ -89,7 +93,10 @@ pub fn combine_amounts(amounts: impl Iterator<Item = Amount>) -> Vec<Amount> {
*output_amounts.entry(amount.unit_id).or_insert(dec!(0)) += amount.value;
}
output_amounts.iter().map(|(&unit_id, &value)| Amount {value, unit_id}).collect()
output_amounts
.iter()
.map(|(&unit_id, &value)| Amount { value, unit_id })
.collect()
}
impl PartialOrd for Amount {
@ -100,4 +107,4 @@ impl PartialOrd for Amount {
self.value.partial_cmp(&other.value)
}
}
}
}

2
src/core/mod.rs
View File

@ -5,6 +5,7 @@ mod errors;
mod ledger;
mod price;
mod transaction;
mod value;
pub use account::*;
pub use amounts::*;
@ -12,3 +13,4 @@ pub use errors::*;
pub use ledger::*;
pub use price::*;
pub use transaction::*;
pub use value::*;

128
src/queries/base.rs → src/core/value.rs
View File

@ -1,57 +1,29 @@
use std::collections::HashMap;
use chrono::NaiveDate;
use rust_decimal::{prelude::Zero, Decimal};
use crate::core::{Amount, CoreError};
use std::collections::HashMap;
#[derive(Debug, Clone)]
pub enum StringData<'a> {
Owned(String),
Reference(&'a str)
Reference(&'a str),
}
#[derive(Debug, Clone, PartialEq)]
pub enum DataValue<'a> {
pub enum DataValue {
Null,
Integer(u32),
Decimal(Decimal),
Boolean(bool),
String(StringData<'a>),
String(StringData<'static>),
Date(NaiveDate),
Amount(Amount),
List(Vec<DataValue<'a>>),
Map(HashMap<&'static str, DataValue<'a>>),
List(Vec<DataValue>),
Map(HashMap<&'static str, DataValue>),
// Amount(Amount),
}
pub enum Query<'a, T> {
Field(T),
Value(DataValue<'a>),
Function(Box<dyn Function<T>>),
}
pub trait Data<T> {
fn get_field(&self, field: &T) -> Result<DataValue, CoreError>;
}
pub trait Function<T> {
fn evaluate(&self, context: &dyn Data<T>) -> Result<DataValue, CoreError>;
}
// impl ConstantValue {
// pub fn to_bool(&self) -> bool {
// match self {
// ConstantValue::Integer(val) => !val.is_zero(),
// ConstantValue::Decimal(val) => !val.is_zero(),
// ConstantValue::Boolean(val) => *val,
// ConstantValue::String(val) => val.is_empty(),
// ConstantValue::Date(_) => true,
// ConstantValue::Amount(val) => !val.value.is_zero(),
// ConstantValue::List(list) => !list.is_empty(),
// ConstantValue::Map(map) => !map.is_empty(),
// }
// }
// }
/////////////////////
// Implementations //
/////////////////////
impl<'a> StringData<'a> {
pub fn as_ref(&'a self) -> &'a str {
@ -60,6 +32,13 @@ impl<'a> StringData<'a> {
StringData::Reference(val) => val,
}
}
pub fn into_owned(self) -> StringData<'static> {
match self {
StringData::Owned(s) => StringData::Owned(s),
StringData::Reference(s) => StringData::Owned(s.to_string()),
}
}
}
impl<'a> PartialEq for StringData<'a> {
@ -90,7 +69,7 @@ impl<'a> PartialOrd for StringData<'a> {
}
}
impl<'a> PartialOrd for DataValue<'a> {
impl PartialOrd for DataValue {
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
match (self, other) {
(DataValue::Null, DataValue::Null) => Some(std::cmp::Ordering::Equal),
@ -99,7 +78,7 @@ impl<'a> PartialOrd for DataValue<'a> {
(DataValue::Boolean(val1), DataValue::Boolean(val2)) => val1.partial_cmp(val2),
(DataValue::String(val1), DataValue::String(val2)) => val1.partial_cmp(val2),
(DataValue::Date(val1), DataValue::Date(val2)) => val1.partial_cmp(val2),
(DataValue::Amount(val1), DataValue::Amount(val2)) => val1.partial_cmp(val2),
// (DataValue::Amount(val1), DataValue::Amount(val2)) => val1.partial_cmp(val2),
(DataValue::List(val1), DataValue::List(val2)) => val1.partial_cmp(val2),
_ => None,
}
@ -118,50 +97,49 @@ impl<'a> From<String> for StringData<'a> {
}
}
impl<'a> From<u32> for DataValue<'a> {
impl From<u32> for DataValue {
fn from(value: u32) -> Self {
DataValue::Integer(value)
}
}
impl<'a> From<Decimal> for DataValue<'a> {
impl From<Decimal> for DataValue {
fn from(value: Decimal) -> Self {
DataValue::Decimal(value)
}
}
impl<'a> From<bool> for DataValue<'a> {
impl From<bool> for DataValue {
fn from(value: bool) -> Self {
DataValue::Boolean(value)
}
}
impl<'a> From<&'a str> for DataValue<'a> {
impl<'a> From<&'a str> for DataValue {
fn from(value: &'a str) -> Self {
DataValue::String(value.into())
DataValue::String(StringData::from(value).into_owned())
}
}
impl<'a> From<String> for DataValue<'a> {
impl From<String> for DataValue {
fn from(value: String) -> Self {
DataValue::String(value.into())
}
}
impl<'a> From<NaiveDate> for DataValue<'a> {
impl From<NaiveDate> for DataValue {
fn from(value: NaiveDate) -> Self {
DataValue::Date(value)
}
}
impl<'a> From<Amount> for DataValue<'a> {
fn from(value: Amount) -> Self {
DataValue::Amount(value)
}
}
// impl<'a> From<Amount> for DataValue<'a> {
// fn from(value: Amount) -> Self {
// DataValue::Amount(value)
// }
// }
impl<'a> From<DataValue<'a>> for bool {
impl From<DataValue> for bool {
fn from(value: DataValue) -> Self {
match value {
DataValue::Null => false,
@ -170,49 +148,9 @@ impl<'a> From<DataValue<'a>> for bool {
DataValue::Boolean(val) => val,
DataValue::String(val) => val.as_ref().is_empty(),
DataValue::Date(_) => true,
DataValue::Amount(val) => !val.value.is_zero(),
// DataValue::Amount(val) => !val.value.is_zero(),
DataValue::List(list) => !list.is_empty(),
DataValue::Map(map) => !map.is_empty(),
}
}
}
impl<'a, T> Query<'a, T> {
pub fn evaluate(&self, context: &'a dyn Data<T>) -> Result<DataValue, CoreError> {
match self {
Query::Field(field) => context.get_field(field),
Query::Value(constant) => Ok(constant.clone()),
Query::Function(function) => function.evaluate(context),
}
}
pub fn from_field(field: T) -> Self {
Query::Field(field)
}
pub fn from_fn<F: Function<T> + Sized + 'static>(function: F) -> Self {
Query::Function(Box::new(function))
}
}
impl<'a, T> From<DataValue<'a>> for Query<'a, T> {
fn from(constant: DataValue<'a>) -> Self {
Query::Value(constant)
}
}
// impl<T: Sized + 'static, Field: Sized> Function<Field> for T {
// fn to_value(self) -> Value<T> {
// Value::Function(Box::new(self))
// }
// }
// impl<Field, T: Function<Field>> T {
// }
// impl<Field, T: Function<Field> + Sized + 'static> From<T> for Value<Field> {
// fn from(function: T) -> Self {
// Value::Function(Box::new(function))
// }
// }

27
src/document/directives.rs
View File

@ -1,9 +1,8 @@
use std::path::PathBuf;
use chrono::NaiveDate;
use rust_decimal::Decimal;
use crate::core::UnitSymbol;
use crate::core::{RawAmount, UnitSymbol};
#[derive(Debug)]
pub struct Directives {
@ -44,7 +43,7 @@ pub struct TransactionDirective {
pub struct BalanceDirective {
pub date: NaiveDate,
pub account: String,
pub amounts: Vec<DirectiveAmount>,
pub amounts: Vec<RawAmount>,
}
///////////////
@ -55,16 +54,9 @@ pub struct BalanceDirective {
pub struct DirectivePosting {
pub date: Option<NaiveDate>,
pub account: String,
pub amount: Option<DirectiveAmount>,
pub cost: Option<DirectiveAmount>,
pub price: Option<DirectiveAmount>,
}
#[derive(Debug, PartialEq, Clone)]
pub struct DirectiveAmount {
pub value: Decimal,
pub unit_symbol: String,
pub is_unit_prefix: bool,
pub amount: Option<RawAmount>,
pub cost: Option<RawAmount>,
pub price: Option<RawAmount>,
}
/////////////////////
@ -73,7 +65,12 @@ pub struct DirectiveAmount {
impl Directives {
pub fn new() -> Self {
Directives{includes: Vec::new(), commodities: Vec::new(), transactions: Vec::new(), balances: Vec::new()}
Directives {
includes: Vec::new(),
commodities: Vec::new(),
transactions: Vec::new(),
balances: Vec::new(),
}
}
pub fn add_directives(&mut self, other: &Directives) {
@ -82,4 +79,4 @@ impl Directives {
self.balances.extend(other.balances.clone());
self.commodities.extend(other.commodities.clone());
}
}
}

172
src/document/ledger.rs
View File

@ -4,21 +4,21 @@ use rust_decimal_macros::dec;
use crate::{
core::{
Account, Amount, CoreError, Ledger, Posting, Transaction, TransactionFlag, Unit, UnitSymbol,
},
queries::{
self,
base::{self, DataValue},
functions::{
ComparisonFunction, LogicalFunction, RegexFunction, StringComparisonFunction,
SubAccountFunction,
},
transaction::{AccountField, PostingField, TransactionField},
Query,
},
Account, Amount, CoreError, DataValue, Ledger, Posting, RawAmount, Transaction, TransactionFlag, Unit, UnitSymbol
}, query::{self, AccountField, ComparisonFunction, LogicalFunction, PostingField, Query, RegexFunction, TransactionField},
// queries::{
// self,
// base::{self, DataValue},
// functions::{
// ComparisonFunction, LogicalFunction, RegexFunction, StringComparisonFunction,
// SubAccountFunction,
// },
// transaction::{AccountField, PostingField, TransactionField},
// Query,
// },
};
use super::{BalanceDirective, DirectiveAmount, TransactionDirective};
use super::{BalanceDirective, TransactionDirective};
pub fn add_transaction(
ledger: &mut Ledger,
@ -75,8 +75,8 @@ pub fn add_transaction(
pub fn check_balance2(ledger: &Ledger, balance: &BalanceDirective) -> Result<(), CoreError> {
let date_query = ComparisonFunction::new(
"<=",
base::Query::from_field(PostingField::Transaction(TransactionField::Date)),
base::Query::from(DataValue::from(balance.date)),
Query::from_field(PostingField::Transaction(TransactionField::Date)),
Query::from(DataValue::from(balance.date)),
)
.unwrap();
// let account_fn = |str: &str| {
@ -93,23 +93,34 @@ pub fn check_balance2(ledger: &Ledger, balance: &BalanceDirective) -> Result<(),
// base::Query::from_field(PostingField::Account(AccountField::Name)),
// &account_regex,
// )?;
let account_query = SubAccountFunction::new(
balance.account.clone().into(),
base::Query::from_field(PostingField::Account(AccountField::Name)),
);
// let account_query = SubAccountFunction::new(
// balance.account.clone().into(),
// base::Query::from_field(PostingField::Account(AccountField::Name)),
// );
// TODO: is this efficient enough?
let account_query = RegexFunction::new(
Query::from_field(PostingField::Account(AccountField::Name)),
format!("^{}", balance.account).as_str(),
true
// "^" + balance.account.clone(),
).unwrap();
let start = Instant::now();
let total_query = LogicalFunction::new(
"and",
base::Query::from_fn(date_query),
base::Query::from_fn(account_query),
Query::from_fn(date_query),
Query::from_fn(account_query),
)
.unwrap();
let t2 = Instant::now();
let accounts = queries::balance3(&ledger, &base::Query::from_fn(total_query));
let accounts = query::balance(&ledger, Some(&Query::from_fn(total_query)), None);
let t3 = Instant::now();
@ -175,76 +186,77 @@ pub fn check_balance2(ledger: &Ledger, balance: &BalanceDirective) -> Result<(),
Ok(())
}
pub fn check_balance(ledger: &Ledger, balance: &BalanceDirective) -> Result<(), CoreError> {
let accounts = queries::balance(&ledger, &[Query::EndDate(balance.date)]);
// let accounts = queries::balance2(&ledger, balance.date);
// pub fn check_balance(ledger: &Ledger, balance: &BalanceDirective) -> Result<(), CoreError> {
// let accounts = query::balance(&ledger, &[Query::EndDate(balance.date)]);
let accounts = accounts.iter().filter(|(&account_id, val)| {
let account = ledger.get_account(account_id).unwrap();
account.is_under_account(&balance.account)
});
// // let accounts = queries::balance2(&ledger, balance.date);
if accounts.clone().count() == 0 {}
// let accounts = accounts.iter().filter(|(&account_id, val)| {
// let account = ledger.get_account(account_id).unwrap();
// account.is_under_account(&balance.account)
// });
let mut total_amounts = HashMap::new();
let mut account_count = 0;
// if accounts.clone().count() == 0 {}
for (_, amounts) in accounts {
account_count += 1;
for amount in amounts {
*total_amounts.entry(amount.unit_id).or_insert(dec!(0)) += amount.value;
}
}
// let mut total_amounts = HashMap::new();
// let mut account_count = 0;
if account_count == 0 {
return Err("No accounts match balance account".into());
}
// for (_, amounts) in accounts {
// account_count += 1;
// for amount in amounts {
// *total_amounts.entry(amount.unit_id).or_insert(dec!(0)) += amount.value;
// }
// }
// let balance_account = ledger
// .get_account_by_name(&balance.account)
// .ok_or("Account not found")?;
// if account_count == 0 {
// return Err("No accounts match balance account".into());
// }
// let amounts = accounts
// .get(&balance_account.get_id())
// .map(|v| v.as_slice())
// .unwrap_or(&[]);
// // let balance_account = ledger
// // .get_account_by_name(&balance.account)
// // .ok_or("Account not found")?;
// if amounts.len() > balance.amounts.len() {
// return Err("".into());
// } else if amounts.len() < balance.amounts.len() {
// return Err("".into());
// }
// // let amounts = accounts
// // .get(&balance_account.get_id())
// // .map(|v| v.as_slice())
// // .unwrap_or(&[]);
for balance_amount in &balance.amounts {
let unit = ledger
.get_unit_by_symbol(&balance_amount.unit_symbol)
.ok_or("Unit not found")?;
let value = total_amounts
.get(&unit.get_id())
.map(|v| *v)
.unwrap_or(dec!(0));
// // if amounts.len() > balance.amounts.len() {
// // return Err("".into());
// // } else if amounts.len() < balance.amounts.len() {
// // return Err("".into());
// // }
// let value = amounts
// .iter()
// .find(|a| a.unit_id == unit.get_id())
// .map(|a| a.value)
// .unwrap_or(dec!(0));
let max_scale = max(value.scale(), balance_amount.value.scale());
// for balance_amount in &balance.amounts {
// let unit = ledger
// .get_unit_by_symbol(&balance_amount.unit_symbol)
// .ok_or("Unit not found")?;
// let value = total_amounts
// .get(&unit.get_id())
// .map(|v| *v)
// .unwrap_or(dec!(0));
let value = value.round_dp(max_scale);
let balance_value = balance_amount.value.round_dp(max_scale);
// // let value = amounts
// // .iter()
// // .find(|a| a.unit_id == unit.get_id())
// // .map(|a| a.value)
// // .unwrap_or(dec!(0));
// let max_scale = max(value.scale(), balance_amount.value.scale());
if value != balance_value {
return Err(format!(
"Balance amount for \"{}\" on {} does not match. Expected {} but got {}",
balance.account, balance.date, balance_value, value
)
.into());
}
}
// let value = value.round_dp(max_scale);
// let balance_value = balance_amount.value.round_dp(max_scale);
Ok(())
}
// if value != balance_value {
// return Err(format!(
// "Balance amount for \"{}\" on {} does not match. Expected {} but got {}",
// balance.account, balance.date, balance_value, value
// )
// .into());
// }
// }
// Ok(())
// }
struct IncompletePosting {
account_id: u32,
@ -253,7 +265,7 @@ struct IncompletePosting {
price: Option<Amount>,
}
fn create_amount(ledger: &mut Ledger, amount: &DirectiveAmount) -> Result<Amount, CoreError> {
fn create_amount(ledger: &mut Ledger, amount: &RawAmount) -> Result<Amount, CoreError> {
let unit_id = get_or_create_unit(ledger, &amount.unit_symbol, amount.is_unit_prefix)?;
Ok(Amount { value: amount.value, unit_id })

4
src/document/mod.rs
View File

@ -1,12 +1,10 @@
mod directives;
mod ledger;
mod parser;
pub use directives::*;
use ledger::{add_transaction, check_balance2};
use parser::parse_directives;
use crate::core::{CoreError, Ledger, Unit};
use crate::{core::{CoreError, Ledger, Unit}, parser::parse_directives};
use std::{path::Path, time::Instant};
#[derive(Debug)]

156
src/document/parser/amounts.rs
View File

@ -1,156 +0,0 @@
use nom::{
branch::alt,
character::complete::{char, none_of, one_of, space0},
combinator::{opt, recognize},
error::{Error, ErrorKind},
multi::{many0, many1},
sequence::{preceded, terminated, tuple},
Err, IResult, InputTakeAtPosition, Parser,
};
use rust_decimal::Decimal;
use rust_decimal_macros::dec;
use crate::document::DirectiveAmount;
pub fn account(input: &str) -> IResult<&str, &str> {
input.split_at_position1_complete(|item| item == ' ' || item == '\t', ErrorKind::AlphaNumeric)
}
pub fn amount(input: &str) -> IResult<&str, DirectiveAmount> {
alt((suffix_amount, prefix_amount)).parse(input)
}
pub fn decimal(input: &str) -> IResult<&str, Decimal> {
let (new_input, decimal_str) = recognize(tuple((
opt(one_of("+-")),
opt(number_int),
opt(char('.')),
opt(number_int),
)))
.parse(input)?;
if decimal_str.contains(',') {
match Decimal::from_str_exact(&decimal_str.replace(",", "")) {
Ok(decimal) => Ok((new_input, decimal)),
Err(_) => Err(Err::Error(Error::new(input, ErrorKind::Eof))),
}
} else {
match Decimal::from_str_exact(decimal_str) {
Ok(decimal) => Ok((new_input, decimal)),
Err(_) => Err(Err::Error(Error::new(input, ErrorKind::Eof))),
}
}
}
///////////////
// Private //
///////////////
fn prefix_amount(input: &str) -> IResult<&str, DirectiveAmount> {
tuple((
opt(one_of("+-")),
unit,
preceded(space0, decimal),
))
.map(|(sign, unit_symbol, mut value)| {
if let Some(s) = sign {
if s == '-' {
value = value * dec!(-1);
}
}
DirectiveAmount {
value,
unit_symbol: unit_symbol.to_string(),
is_unit_prefix: true,
}
})
.parse(input)
}
fn suffix_amount(input: &str) -> IResult<&str, DirectiveAmount> {
tuple((
decimal,
preceded(space0, unit),
))
.map(|(value, unit_symbol)| DirectiveAmount {
value,
unit_symbol: unit_symbol.to_string(),
is_unit_prefix: false,
})
.parse(input)
}
fn unit(input: &str) -> IResult<&str, &str> {
recognize(many1(none_of("0123456789,+-_()*/.{} \t"))).parse(input)
}
fn number_int(input: &str) -> IResult<&str, &str> {
recognize(many1(terminated(one_of("0123456789"), many0(one_of("_,")))))(input)
}
#[cfg(test)]
mod tests {
use rust_decimal_macros::dec;
use super::*;
#[test]
fn parse_decimal_good() {
assert_eq!(decimal("1").unwrap().1, dec!(1));
assert_eq!(decimal("+10").unwrap().1, dec!(10));
assert_eq!(decimal("-10").unwrap().1, dec!(-10));
assert_eq!(decimal("10.1").unwrap().1, dec!(10.1));
assert_eq!(decimal("100_000.01").unwrap().1, dec!(100000.01));
assert_eq!(decimal(".1").unwrap().1, dec!(0.1));
assert_eq!(decimal("-.1").unwrap().1, dec!(-0.1));
assert_eq!(decimal("2.").unwrap().1, dec!(2.));
assert_eq!(decimal("1,000").unwrap().1, dec!(1000));
}
#[test]
fn amount_good() {
assert_eq!(
amount("$10").unwrap().1,
DirectiveAmount {
value: dec!(10),
unit_symbol: "$".into(),
is_unit_prefix: true
}
);
assert_eq!(
amount("10 USD").unwrap().1,
DirectiveAmount {
value: dec!(10),
unit_symbol: "USD".into(),
is_unit_prefix: false
}
);
assert_eq!(
amount("-$10.01").unwrap().1,
DirectiveAmount {
value: dec!(-10.01),
unit_symbol: "$".into(),
is_unit_prefix: true
}
);
assert_eq!(
amount("-10€").unwrap().1,
DirectiveAmount {
value: dec!(-10),
unit_symbol: "€".into(),
is_unit_prefix: false
}
);
assert_eq!(
amount("-€10").unwrap().1,
DirectiveAmount {
value: dec!(-10),
unit_symbol: "€".into(),
is_unit_prefix: true
}
);
}
}

6
src/lib.rs
View File

@ -38,12 +38,14 @@
// struct Quantity {}
pub mod core;
pub mod queries;
// pub mod queries;
// pub mod parser;
// pub mod create_ledger;
pub mod document;
pub mod output;
mod parser;
pub mod parser;
pub mod query;
// pub struct Account {
// // TODO

51
src/main.rs
View File

@ -7,9 +7,11 @@ use std::{
use accounting_rust::{
document::Document,
output::cli::{format_balance, tui_to_ansi::text_to_ansi},
queries::{self, Query},
parser::{self, query},
query::{self, PostingField},
// queries::{self, base::{self, DataValue, Query}, functions::{ComparisonFunction, LogicalFunction, SubAccountFunction}, transaction::{AccountField, PostingField, TransactionField}},
};
use chrono::NaiveDate;
use chrono::{NaiveDate, Utc};
use ratatui::{
crossterm::{self, style::PrintStyledContent},
layout::Rect,
@ -105,11 +107,46 @@ pub fn main() -> Result<(), Box<dyn std::error::Error>> {
// &[],
// );
let balance = queries::balance2(
&ledger,
NaiveDate::from_ymd_opt(2100, 01, 01).unwrap(),
Some("$")
);
// let balance = queries::balance2(
// &ledger,
// NaiveDate::from_ymd_opt(2100, 01, 01).unwrap(),
// Some("$")
// );
// let balance_query = "transaction.date < 2100-01-01";
let balance_query = "account.name ~ 'Assets' OR account.name ~ 'Liabilities'";
let parsed_query = parser::query::<PostingField>(balance_query).unwrap();
if parsed_query.0.trim().len() != 0 {
panic!("Full string not consumed")
}
let balance_query = parsed_query.1;
let current_date = Utc::now().date_naive();
let balance = query::balance(&ledger, Some(&balance_query), Some(("$", current_date)));
// let date_query = ComparisonFunction::new(
// "<=",
// Query::from_field(PostingField::Transaction(TransactionField::Date)),
// Query::from(DataValue::from(NaiveDate::from_ymd_opt(2100, 01, 01).unwrap())),
// ).unwrap();
// let account_query = SubAccountFunction::new(
// "Assets".into(),
// base::Query::from_field(PostingField::Account(AccountField::Name)),
// );
// let total_query = LogicalFunction::new(
// "and",
// base::Query::from_fn(date_query),
// base::Query::from_fn(account_query),
// ).unwrap();
// let balance = queries::balance3(
// &ledger,
// &base::Query::from_fn(total_query),
// );
let t4 = Instant::now();

100
src/parser/amount.rs Normal file
View File

@ -0,0 +1,100 @@
use nom::{
branch::alt,
character::complete::{none_of, one_of, space0},
combinator::{opt, recognize},
multi::many1,
sequence::{preceded, tuple}, IResult, Parser,
};
use rust_decimal_macros::dec;
use crate::core::RawAmount;
use super::decimal;
pub fn amount(input: &str) -> IResult<&str, RawAmount> {
alt((suffix_amount, prefix_amount)).parse(input)
}
///////////////
// Private //
///////////////
fn prefix_amount(input: &str) -> IResult<&str, RawAmount> {
tuple((opt(one_of("+-")), unit, preceded(space0, decimal)))
.map(|(sign, unit_symbol, mut value)| {
if let Some(s) = sign {
if s == '-' {
value = value * dec!(-1);
}
}
RawAmount {
value,
unit_symbol: unit_symbol.to_string(),
is_unit_prefix: true,
}
})
.parse(input)
}
fn suffix_amount(input: &str) -> IResult<&str, RawAmount> {
tuple((decimal, preceded(space0, unit)))
.map(|(value, unit_symbol)| RawAmount {
value,
unit_symbol: unit_symbol.to_string(),
is_unit_prefix: false,
})
.parse(input)
}
fn unit(input: &str) -> IResult<&str, &str> {
recognize(many1(none_of("0123456789,+-_()*/.{} \t"))).parse(input)
}
#[cfg(test)]
mod tests {
use super::*;
use rust_decimal_macros::dec;
#[test]
fn amount_good() {
assert_eq!(
amount("$10").unwrap().1,
RawAmount {
value: dec!(10),
unit_symbol: "$".into(),
is_unit_prefix: true
}
);
assert_eq!(
amount("10 USD").unwrap().1,
RawAmount {
value: dec!(10),
unit_symbol: "USD".into(),
is_unit_prefix: false
}
);
assert_eq!(
amount("-$10.01").unwrap().1,
RawAmount {
value: dec!(-10.01),
unit_symbol: "$".into(),
is_unit_prefix: true
}
);
assert_eq!(
amount("-10€").unwrap().1,
RawAmount {
value: dec!(-10),
unit_symbol: "€".into(),
is_unit_prefix: false
}
);
assert_eq!(
amount("-€10").unwrap().1,
RawAmount {
value: dec!(-10),
unit_symbol: "€".into(),
is_unit_prefix: true
}
);
}
}

143
src/parser/core.rs Normal file
View File

@ -0,0 +1,143 @@
use chrono::NaiveDate;
use nom::{
branch::alt,
bytes::complete::{escaped, tag, take_while_m_n},
character::complete::{char, none_of, one_of, space0},
combinator::{opt, recognize},
error::{Error, ErrorKind},
multi::{many0, many1},
sequence::{delimited, terminated, tuple},
AsChar, Err, IResult, Parser,
};
use rust_decimal::Decimal;
pub fn decimal(input: &str) -> IResult<&str, Decimal> {
let (new_input, decimal_str) = recognize(tuple((
opt(one_of("+-")),
opt(number_int),
opt(char('.')),
opt(number_int),
)))
.parse(input)?;
if decimal_str.contains(',') {
match Decimal::from_str_exact(&decimal_str.replace(",", "")) {
Ok(decimal) => Ok((new_input, decimal)),
Err(_) => Err(Err::Error(Error::new(input, ErrorKind::Eof))),
}
} else {
match Decimal::from_str_exact(decimal_str) {
Ok(decimal) => Ok((new_input, decimal)),
Err(_) => Err(Err::Error(Error::new(input, ErrorKind::Eof))),
}
}
}
pub fn number_int(input: &str) -> IResult<&str, &str> {
recognize(many1(terminated(one_of("0123456789"), many0(one_of("_,")))))(input)
}
pub fn parse_iso_date(input: &str) -> IResult<&str, NaiveDate> {
let (new_input, (year, _, month, _, day)) =
tuple((date_year, tag("-"), date_month, tag("-"), date_day)).parse(input)?;
match NaiveDate::from_ymd_opt(year, month, day) {
Some(date) => Ok((new_input, date)),
None => Err(nom::Err::Error(Error::new(input, ErrorKind::Eof))),
}
}
pub fn quoted_string(input: &str) -> IResult<&str, &str> {
alt((
delimited(
tag("\""),
escaped(none_of("\\\""), '\\', tag("\"")),
tag("\""),
),
delimited(
tag("'"),
escaped(none_of("\\\'"), '\\', tag("\'")),
tag("'"),
),
))
.parse(input)
}
pub fn ws<'a, F: 'a, O>(inner: F) -> impl FnMut(&'a str) -> IResult<&'a str, O>
where
F: FnMut(&'a str) -> IResult<&'a str, O>,
{
delimited(space0, inner, space0)
}
///////////////
// Private //
///////////////
fn take_n_digits(i: &str, n: usize) -> IResult<&str, u32> {
let (i, digits) = take_while_m_n(n, n, AsChar::is_dec_digit)(i)?;
let res = digits.parse().expect("Invalid ASCII number");
Ok((i, res))
}
fn date_year(input: &str) -> IResult<&str, i32> {
take_n_digits(input, 4).map(|(str, year)| (str, i32::try_from(year).unwrap()))
}
fn date_month(input: &str) -> IResult<&str, u32> {
take_n_digits(input, 2)
}
fn date_day(input: &str) -> IResult<&str, u32> {
take_n_digits(input, 2)
}
#[cfg(test)]
mod tests {
use super::*;
use rust_decimal_macros::dec;
#[test]
fn parse_decimal_good() {
assert_eq!(decimal("1").unwrap().1, dec!(1));
assert_eq!(decimal("+10").unwrap().1, dec!(10));
assert_eq!(decimal("-10").unwrap().1, dec!(-10));
assert_eq!(decimal("10.1").unwrap().1, dec!(10.1));
assert_eq!(decimal("100_000.01").unwrap().1, dec!(100000.01));
assert_eq!(decimal(".1").unwrap().1, dec!(0.1));
assert_eq!(decimal("-.1").unwrap().1, dec!(-0.1));
assert_eq!(decimal("2.").unwrap().1, dec!(2.));
assert_eq!(decimal("1,000").unwrap().1, dec!(1000));
}
#[test]
fn correct_date() {
assert_eq!(
parse_iso_date("2000-01-01"),
Ok(("", NaiveDate::from_ymd_opt(2000, 01, 01).unwrap()))
);
// assert_eq!(
// parse_iso_date("20000101"),
// Ok(("", NaiveDate::from_ymd_opt(2000, 01, 01).unwrap()))
// );
}
#[test]
fn incomplete_date() {
assert_eq!(parse_iso_date("200-01-01").is_err(), true);
}
#[test]
fn invalid_date() {
assert_eq!(parse_iso_date("2000-02-30").is_err(), true);
}
#[test]
fn parse_string() {
assert_eq!(quoted_string("\"test\"").unwrap().1, "test");
assert_eq!(quoted_string("'test'").unwrap().1, "test");
assert_eq!(quoted_string("\"te\\\"st\"").unwrap().1, "te\\\"st");
}
}

12
src/document/parser/base_directive.rs → src/parser/document/base_directive.rs
View File

@ -61,9 +61,9 @@ pub fn empty_lines(input: &str) -> IResult<&str, ()> {
pub fn parse_iso_date(input: &str) -> IResult<&str, NaiveDate> {
let (new_input, (year, _, month, _, day)) = tuple((
date_year,
opt(tag("-")),
tag("-"),
date_month,
opt(tag("-")),
tag("-"),
date_day,
))
.parse(input)?;
@ -136,10 +136,10 @@ mod tests {
parse_iso_date("2000-01-01"),
Ok(("", NaiveDate::from_ymd_opt(2000, 01, 01).unwrap()))
);
assert_eq!(
parse_iso_date("20000101"),
Ok(("", NaiveDate::from_ymd_opt(2000, 01, 01).unwrap()))
);
// assert_eq!(
// parse_iso_date("20000101"),
// Ok(("", NaiveDate::from_ymd_opt(2000, 01, 01).unwrap()))
// );
}
#[test]

37
src/document/parser/directives.rs → src/parser/document/directives.rs
View File

@ -2,29 +2,20 @@ use std::path::PathBuf;
use nom::{
bytes::complete::{is_not, tag},
character::complete::{none_of, space1},
character::complete::space1,
combinator::{opt, rest},
error::{Error, ErrorKind, ParseError},
error::{Error, ErrorKind},
sequence::{preceded, terminated, tuple},
IResult, Parser,
};
use crate::{core::UnitSymbol, document::{
BalanceDirective, CommodityDirective, IncludeDirective, TransactionDirective,
}};
use super::{
amounts::{account, amount},
base_directive::BaseDirective,
transaction::transaction,
use crate::{
core::UnitSymbol,
document::{BalanceDirective, CommodityDirective, IncludeDirective, TransactionDirective},
parser::amount,
};
// use super::{
// base::ParsedBaseDirective,
// shared::{parse_account, parse_amount},
// transaction::parse_transaction,
// types::{ParseError, ParsedBalanceDirective, ParsedDirectives, ParsedIncludeDirective},
// };
use super::{base_directive::BaseDirective, shared::account, transaction::transaction};
//////////////
// Public //
@ -115,13 +106,15 @@ fn commodity_directive(directive: BaseDirective) -> IResult<BaseDirective, Commo
}
match key {
"symbol_prefix" => symbols.push(UnitSymbol {symbol: value.into(), is_prefix: true}),
"symbol" => symbols.push(UnitSymbol {symbol: value.into(), is_prefix: false}),
"symbol_prefix" => symbols.push(UnitSymbol { symbol: value.into(), is_prefix: true }),
"symbol" => symbols.push(UnitSymbol { symbol: value.into(), is_prefix: false }),
"precision" => precision = Some(value.trim().parse::<u32>().unwrap()), // TODO: unwrap
_ => return Err(nom::Err::Failure(Error {
input: directive,
code: ErrorKind::Fail,
})),
_ => {
return Err(nom::Err::Failure(Error {
input: directive,
code: ErrorKind::Fail,
}))
}
}
}

5
src/document/parser/mod.rs → src/parser/document/mod.rs
View File

@ -1,4 +1,3 @@
mod amounts;
mod base_directive;
mod directives;
mod transaction;
@ -14,9 +13,7 @@ use nom::{
Parser,
};
use crate::core::CoreError;
use super::Directives;
use crate::{core::CoreError, document::Directives};
pub fn parse_directives(input: &str) -> Result<Directives, CoreError> {
let parsed_directives = terminated(

4
src/document/parser/shared.rs → src/parser/document/shared.rs
View File

@ -6,6 +6,10 @@ use nom::{
IResult, InputTakeAtPosition, Parser,
};
pub fn account(input: &str) -> IResult<&str, &str> {
input.split_at_position1_complete(|item| item == ' ' || item == '\t', ErrorKind::AlphaNumeric)
}
pub fn metadatum(input: &str) -> IResult<&str, (&str, &str)> {
tuple((
delimited(tag("-"), delimited(space0, key, space0), tag(":")),

69
src/document/parser/transaction.rs → src/parser/document/transaction.rs
View File

@ -1,25 +1,24 @@
use nom::{
branch::alt,
bytes::complete::{is_not, tag},
character::complete::{space0, space1},
character::complete::space1,
combinator::{eof, opt, rest},
error::{Error, ErrorKind},
sequence::{delimited, preceded, terminated, tuple},
Err, IResult, InputTakeAtPosition, Parser,
Err, IResult, Parser,
};
use crate::document::{DirectiveAmount, DirectivePosting, TransactionDirective};
use crate::{
core::RawAmount,
document::{DirectivePosting, TransactionDirective},
parser::amount,
};
use super::{
amounts::{account, amount},
base_directive::{parse_iso_date, BaseDirective},
shared::metadatum,
shared::{account, metadatum},
};
// use super::{
// base::ParsedBaseDirective, directives::BaseDirective, shared::{parse_account, amount}, types::{ParseError, DirectiveAmount, DirectivePosting, ParsedTransactionDirective}
// };
//////////////
// Public //
//////////////
@ -56,7 +55,7 @@ pub fn transaction<'a>(
let mut metadata = Vec::new();
for &line in directive.lines.get(1..).unwrap_or(&[]) {
if let Ok(m) = metadatum(line) {
metadata.push((m.1.0.to_string(), m.1.1.to_string()));
metadata.push((m.1 .0.to_string(), m.1 .1.to_string()));
continue;
}
let posting = if let Ok(v) = posting(line) {
@ -118,7 +117,7 @@ fn posting(input: &str) -> IResult<&str, DirectivePosting> {
amount = Some(v.0);
if let Some(c) = v.1 {
if c.1 {
cost = Some(DirectiveAmount {
cost = Some(RawAmount {
value: c.0.value / amount.as_ref().unwrap().value.abs(),
unit_symbol: c.0.unit_symbol,
is_unit_prefix: c.0.is_unit_prefix,
@ -129,7 +128,7 @@ fn posting(input: &str) -> IResult<&str, DirectivePosting> {
}
if let Some(p) = v.2 {
if p.1 {
price = Some(DirectiveAmount {
price = Some(RawAmount {
value: p.0.value / amount.as_ref().unwrap().value.abs(),
unit_symbol: p.0.unit_symbol,
is_unit_prefix: p.0.is_unit_prefix,
@ -150,7 +149,7 @@ fn posting(input: &str) -> IResult<&str, DirectivePosting> {
.parse(input)
}
fn parse_cost(input: &str) -> IResult<&str, (DirectiveAmount, bool)> {
fn parse_cost(input: &str) -> IResult<&str, (RawAmount, bool)> {
alt((
delimited(tag("{"), amount, tag("}")).map(|amount| (amount, false)),
delimited(tag("{{"), amount, tag("}}")).map(|amount| (amount, true)),
@ -158,7 +157,7 @@ fn parse_cost(input: &str) -> IResult<&str, (DirectiveAmount, bool)> {
.parse(input)
}
fn parse_price(input: &str) -> IResult<&str, (DirectiveAmount, bool)> {
fn parse_price(input: &str) -> IResult<&str, (RawAmount, bool)> {
alt((
preceded(tuple((tag("@"), space1)), amount).map(|amount| (amount, false)),
preceded(tuple((tag("@@"), space1)), amount).map(|amount| (amount, true)),
@ -210,12 +209,12 @@ mod tests {
DirectivePosting {
date: None,
account: "Account1".into(),
amount: Some(DirectiveAmount {
amount: Some(RawAmount {
value: dec!(10),
unit_symbol: "SHARE".into(),
is_unit_prefix: false
}),
cost: Some(DirectiveAmount {
cost: Some(RawAmount {
value: dec!(100),
unit_symbol: "$".into(),
is_unit_prefix: true
@ -228,12 +227,12 @@ mod tests {
DirectivePosting {
date: None,
account: "Account1".into(),
amount: Some(DirectiveAmount {
amount: Some(RawAmount {
value: dec!(10),
unit_symbol: "SHARE".into(),
is_unit_prefix: false
}),
cost: Some(DirectiveAmount {
cost: Some(RawAmount {
value: dec!(100),
unit_symbol: "USD".into(),
is_unit_prefix: false
@ -250,13 +249,13 @@ mod tests {
DirectivePosting {
date: None,
account: "Account1".into(),
amount: Some(DirectiveAmount {
amount: Some(RawAmount {
value: dec!(10),
unit_symbol: "SHARE".into(),
is_unit_prefix: false
}),
cost: None,
price: Some(DirectiveAmount {
price: Some(RawAmount {
value: dec!(100),
unit_symbol: "$".into(),
is_unit_prefix: true
@ -268,13 +267,13 @@ mod tests {
DirectivePosting {
date: None,
account: "Account1".into(),
amount: Some(DirectiveAmount {
amount: Some(RawAmount {
value: dec!(10),
unit_symbol: "SHARE".into(),
is_unit_prefix: false
}),
cost: None,
price: Some(DirectiveAmount {
price: Some(RawAmount {
value: dec!(100),
unit_symbol: "USD".into(),
is_unit_prefix: false
@ -290,17 +289,17 @@ mod tests {
DirectivePosting {
date: None,
account: "Account1".into(),
amount: Some(DirectiveAmount {
amount: Some(RawAmount {
value: dec!(10),
unit_symbol: "SHARE".into(),
is_unit_prefix: false
}),
cost: Some(DirectiveAmount {
cost: Some(RawAmount {
value: dec!(100),
unit_symbol: "$".into(),
is_unit_prefix: true
}),
price: Some(DirectiveAmount {
price: Some(RawAmount {
value: dec!(110),
unit_symbol: "$".into(),
is_unit_prefix: true
@ -314,17 +313,17 @@ mod tests {
DirectivePosting {
date: None,
account: "Account1".into(),
amount: Some(DirectiveAmount {
amount: Some(RawAmount {
value: dec!(10),
unit_symbol: "SHARE".into(),
is_unit_prefix: false
}),
cost: Some(DirectiveAmount {
cost: Some(RawAmount {
value: dec!(100),
unit_symbol: "USD".into(),
is_unit_prefix: false
}),
price: Some(DirectiveAmount {
price: Some(RawAmount {
value: dec!(110),
unit_symbol: "USD".into(),
is_unit_prefix: false
@ -338,17 +337,17 @@ mod tests {
DirectivePosting {
date: None,
account: "Account1".into(),
amount: Some(DirectiveAmount {
amount: Some(RawAmount {
value: dec!(10),
unit_symbol: "SHARE".into(),
is_unit_prefix: false
}),
cost: Some(DirectiveAmount {
cost: Some(RawAmount {
value: dec!(100),
unit_symbol: "USD".into(),
is_unit_prefix: false
}),
price: Some(DirectiveAmount {
price: Some(RawAmount {
value: dec!(110),
unit_symbol: "USD".into(),
is_unit_prefix: false
@ -366,17 +365,17 @@ mod tests {
DirectivePosting {
date: Some(NaiveDate::from_ymd_opt(2000, 01, 01).unwrap()),
account: "Account1".into(),
amount: Some(DirectiveAmount {
amount: Some(RawAmount {
value: dec!(10),
unit_symbol: "SHARE".into(),
is_unit_prefix: false
}),
cost: Some(DirectiveAmount {
cost: Some(RawAmount {
value: dec!(100),
unit_symbol: "$".into(),
is_unit_prefix: true
}),
price: Some(DirectiveAmount {
price: Some(RawAmount {
value: dec!(110),
unit_symbol: "$".into(),
is_unit_prefix: true
@ -402,7 +401,7 @@ mod tests {
assert_eq!(transaction.postings[0].account, "Account1:Account2");
assert_eq!(
transaction.postings[0].amount,
Some(DirectiveAmount {
Some(RawAmount {
value: dec!(10.01),
unit_symbol: "$".into(),
is_unit_prefix: true

48
src/parser/fields.rs Normal file
View File

@ -0,0 +1,48 @@
use std::fmt::Debug;
use crate::query::{AccountField, PostingField, TransactionField};
pub trait ParseField: Debug + Sized + Clone {
fn parse(input: &str) -> Option<Self>;
}
impl ParseField for TransactionField {
fn parse(input: &str) -> Option<Self> {
match input.to_lowercase().as_str() {
"date" => Some(TransactionField::Date),
"flag" => Some(TransactionField::Flag),
"payee" => Some(TransactionField::Payee),
"narration" => Some(TransactionField::Narration),
_ => None,
}
}
}
impl ParseField for AccountField {
fn parse(input: &str) -> Option<Self> {
match input.to_lowercase().as_str() {
"name" => Some(AccountField::Name),
"open" => Some(AccountField::OpenDate),
"close" => Some(AccountField::CloseDate),
_ => None,
}
}
}
impl ParseField for PostingField {
fn parse(input: &str) -> Option<Self> {
match input
.to_lowercase()
.split('.')
.collect::<Vec<_>>()
.as_slice()
{
["amount"] => Some(PostingField::Amount),
["cost"] => Some(PostingField::Cost),
["price"] => Some(PostingField::Price),
["transaction", t] => TransactionField::parse(t).map(|v| PostingField::Transaction(v)),
["account", t] => AccountField::parse(t).map(|v| PostingField::Account(v)),
_ => None,
}
}
}

109
src/parser/mod.rs
View File

@ -1,99 +1,14 @@
use chrono::NaiveDate;
use nom::{
bytes::complete::{escaped, tag, take_while_m_n},
character::complete::{char, none_of, one_of},
combinator::{opt, recognize},
error::{Error, ErrorKind},
multi::{many0, many1},
sequence::{delimited, terminated, tuple},
AsChar, Err, IResult, Parser,
};
use rust_decimal::Decimal;
pub fn decimal(input: &str) -> IResult<&str, Decimal> {
let (new_input, decimal_str) = recognize(tuple((
opt(one_of("+-")),
opt(number_int),
opt(char('.')),
opt(number_int),
)))
.parse(input)?;
mod core;
mod amount;
mod value;
mod query;
mod document;
mod fields;
if decimal_str.contains(',') {
match Decimal::from_str_exact(&decimal_str.replace(",", "")) {
Ok(decimal) => Ok((new_input, decimal)),
Err(_) => Err(Err::Error(Error::new(input, ErrorKind::Eof))),
}
} else {
match Decimal::from_str_exact(decimal_str) {
Ok(decimal) => Ok((new_input, decimal)),
Err(_) => Err(Err::Error(Error::new(input, ErrorKind::Eof))),
}
}
}
pub fn number_int(input: &str) -> IResult<&str, &str> {
recognize(many1(terminated(one_of("0123456789"), many0(one_of("_,")))))(input)
}
pub fn parse_iso_date(input: &str) -> IResult<&str, NaiveDate> {
let (new_input, (year, _, month, _, day)) = tuple((
date_year,
opt(tag("-")),
date_month,
opt(tag("-")),
date_day,
))
.parse(input)?;
match NaiveDate::from_ymd_opt(year, month, day) {
Some(date) => Ok((new_input, date)),
None => Err(nom::Err::Error(Error::new(input, ErrorKind::Eof))),
}
}
pub fn quoted_string(input: &str) -> IResult<&str, &str> {
delimited(
tag("\""),
escaped(none_of("\\\""), '\\', tag("\"")),
tag("\""),
)
.parse(input)
}
///////////////
// Private //
///////////////
fn take_n_digits(i: &str, n: usize) -> IResult<&str, u32> {
let (i, digits) = take_while_m_n(n, n, AsChar::is_dec_digit)(i)?;
let res = digits.parse().expect("Invalid ASCII number");
Ok((i, res))
}
fn date_year(input: &str) -> IResult<&str, i32> {
take_n_digits(input, 4).map(|(str, year)| (str, i32::try_from(year).unwrap()))
}
fn date_month(input: &str) -> IResult<&str, u32> {
take_n_digits(input, 2)
}
fn date_day(input: &str) -> IResult<&str, u32> {
take_n_digits(input, 2)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn parse_string() {
assert_eq!(quoted_string("\"test\"").unwrap().1, "test");
assert_eq!(quoted_string("\"te\\\"st\"").unwrap().1, "te\\\"st");
}
}
pub use core::*;
pub use amount::*;
pub use value::*;
pub use query::*;
pub use document::*;
pub use fields::*;

246
src/parser/query.rs Normal file
View File

@ -0,0 +1,246 @@
use nom::{
branch::alt,
bytes::complete::{tag, tag_no_case},
error::{Error, ErrorKind},
multi::fold_many0,
sequence::{delimited, preceded, tuple},
AsChar, Err, IResult, InputTakeAtPosition, Parser,
};
use super::{quoted_string, value, ws, ParseField};
use crate::query::{
ComparisonFunction, ComparisonOperator, LogicalFunction, LogicalOperator, NotFunction, Query,
RegexFunction,
};
pub fn query<'a, Field: ParseField>(input: &'a str) -> IResult<&'a str, Query<Field>> {
term_or.parse(input)
}
/////////////
// Private //
/////////////
fn expression<'a, Field: ParseField>(input: &'a str) -> IResult<&'a str, Query<Field>> {
term_or.parse(input)
}
fn term_or<'a, Field: ParseField>(input: &'a str) -> IResult<&'a str, Query<Field>> {
let (input, init) = term_and(input)?;
fold_many0(
tuple((tag_no_case("OR"), term_and)),
move || init.clone(),
|acc, (_, val)| Query::from_fn(LogicalFunction::new_op(LogicalOperator::OR, acc, val)),
)
.parse(input)
}
fn term_and<'a, Field: ParseField>(input: &'a str) -> IResult<&'a str, Query<Field>> {
let (input, init) = term(input)?;
fold_many0(
tuple((tag_no_case("AND"), term)),
move || init.clone(),
|acc, (_, val)| Query::from_fn(LogicalFunction::new_op(LogicalOperator::AND, acc, val)),
)
.parse(input)
}
fn term<'a, Field: ParseField + 'static>(input: &'a str) -> IResult<&'a str, Query<Field>> {
alt((function_regex, function_comparison, factor)).parse(input)
}
fn function_regex<'a, Field: ParseField>(input: &'a str) -> IResult<&'a str, Query<Field>> {
let (new_input, result) = tuple((factor, tag("~"), ws(quoted_string)))
.map(|(left, _, right)| RegexFunction::new(left, right, true)) // TODO: case sensitive?
.parse(input)?;
match result {
Ok(regex_function) => Ok((new_input, Query::from_fn(regex_function))),
Err(_) => Err(Err::Error(Error::new(input, ErrorKind::Eof))),
}
}
fn function_comparison<'a, Field: ParseField + 'static>(
input: &'a str,
) -> IResult<&'a str, Query<Field>> {
let op = alt((
tag("=").map(|_| ComparisonOperator::EQ),
tag("!=").map(|_| ComparisonOperator::NEQ),
tag(">").map(|_| ComparisonOperator::GT),
tag("<").map(|_| ComparisonOperator::LT),
tag(">=").map(|_| ComparisonOperator::GTE),
tag("<=").map(|_| ComparisonOperator::LTE),
));
tuple((factor, op, factor))
.map(|(left, op, right)| Query::from_fn(ComparisonFunction::new_op(op, left, right)))
.parse(input)
}
fn factor<'a, Field: ParseField + 'static>(input: &'a str) -> IResult<&'a str, Query<Field>> {
ws(alt((
function_unary,
value.map(|v| Query::Value(v)),
field.map(|f| Query::Field(f)),
parenthesis,
)))
.parse(input)
}
fn function_unary<'a, Field: ParseField + 'static>(
input: &'a str,
) -> IResult<&'a str, Query<Field>> {
preceded(ws(tag("!")), factor)
.map(|f| Query::from_fn(NotFunction::new(f)))
.parse(input)
}
fn field<'a, Field: ParseField>(input: &str) -> IResult<&str, Field> {
input
.split_at_position1_complete(
|item| !item.is_alphanum() && item != '.',
ErrorKind::AlphaNumeric,
)
.and_then(|v| {
Field::parse(v.1)
.map(|f| (v.0, f))
.ok_or(nom::Err::Error(Error::new(input, ErrorKind::Eof)))
})
}
fn parenthesis<'a, Field: ParseField + 'static>(input: &'a str) -> IResult<&'a str, Query<Field>> {
delimited(ws(tag("(")), expression, ws(tag(")"))).parse(input)
}
///////////
// Tests //
///////////
#[cfg(test)]
mod tests {
use chrono::NaiveDate;
use rust_decimal::Decimal;
use crate::{
core::{CoreError, DataValue},
query::Data,
};
use super::*;
#[derive(Clone, Debug, PartialEq)]
pub enum Field1 {
A,
AB,
}
impl ParseField for Field1 {
fn parse(input: &str) -> Option<Self> {
match input {
"A" => Some(Field1::A),
"A.B" => Some(Field1::AB),
_ => None,
}
}
}
pub struct FieldData {}
impl Data<Field1> for FieldData {
fn get_field(&self, field: &Field1) -> Result<DataValue, CoreError> {
if *field == Field1::A {
return Ok(Decimal::new(30, 0).into());
}
return Ok(DataValue::Null);
}
}
#[test]
fn parse_field() {
assert_eq!(field::<Field1>("A").unwrap().1, Field1::A);
assert_eq!(field::<Field1>("A.B").unwrap().1, Field1::AB);
assert!(field::<Field1>("C").is_err());
}
fn evaluate_query(input: &str) -> Result<DataValue, CoreError> {
let parsed = query::<Field1>(input).unwrap();
if parsed.0.trim().len() != 0 {
panic!("Full string not consumed")
}
print!("{:?}", parsed.1);
let context = FieldData {};
parsed.1.evaluate(&context)
}
#[test]
fn query_value() {
assert_eq!(evaluate_query("10").unwrap(), Decimal::new(10, 0).into());
assert_eq!(evaluate_query("1.2").unwrap(), Decimal::new(12, 1).into());
assert_eq!(evaluate_query("null").unwrap(), DataValue::Null);
assert_eq!(evaluate_query("true").unwrap(), true.into());
assert_eq!(evaluate_query("\"abc\"").unwrap(), "abc".into());
assert_eq!(
evaluate_query("2000-01-01").unwrap(),
NaiveDate::from_ymd_opt(2000, 01, 01).unwrap().into()
);
}
#[test]
fn query_field() {
assert_eq!(evaluate_query("A").unwrap(), Decimal::new(30, 0).into());
assert_eq!(evaluate_query("A.B").unwrap(), DataValue::Null);
}
#[test]
fn query_comparison() {
assert_eq!(evaluate_query("10 > 4").unwrap(), true.into());
assert_eq!(evaluate_query("10 < 4").unwrap(), false.into());
assert_eq!(evaluate_query("\"ab\" < \"cd\"").unwrap(), true.into());
assert_eq!(
evaluate_query("2000-02-01 > 2000-01-01").unwrap(),
true.into()
);
}
#[test]
fn query_regex() {
assert_eq!(evaluate_query("'abc' ~ 'abc'").unwrap(), true.into());
assert_eq!(evaluate_query("'abcd' ~ 'abc'").unwrap(), true.into());
assert_eq!(evaluate_query("'abcd' ~ '^abc$'").unwrap(), false.into());
assert_eq!(
evaluate_query("'Account:Sub' ~ 'Account'").unwrap(),
true.into()
);
assert_eq!(
evaluate_query("'Account:Sub' ~ 'Account:Sub'").unwrap(),
true.into()
);
}
#[test]
fn query_logical() {
assert_eq!(evaluate_query("true anD false").unwrap(), false.into());
assert_eq!(evaluate_query("true Or false").unwrap(), true.into());
assert_eq!(evaluate_query(" ! true").unwrap(), false.into());
assert_eq!(evaluate_query("!!true").unwrap(), true.into());
assert_eq!(
evaluate_query("true and true and false").unwrap(),
false.into()
);
assert_eq!(
evaluate_query("true and false or true and true").unwrap(),
true.into()
);
}
#[test]
fn query_combined() {
assert_eq!(evaluate_query("10 > 4 and 4 > 10").unwrap(), false.into());
assert_eq!(
evaluate_query("true and (false or true)").unwrap(),
true.into()
);
}
}

47
src/parser/value.rs Normal file
View File

@ -0,0 +1,47 @@
use nom::{
branch::alt,
bytes::complete::tag_no_case,
IResult, Parser,
};
use super::{decimal, parse_iso_date, quoted_string};
use crate::core::DataValue;
pub fn value<'a>(input: &'a str) -> IResult<&'a str, DataValue> {
alt((
tag_no_case("null").map(|_| DataValue::Null),
tag_no_case("true").map(|_| DataValue::Boolean(true)),
tag_no_case("false").map(|_| DataValue::Boolean(false)),
parse_iso_date.map(|v| DataValue::Date(v)),
decimal.map(|v| DataValue::Decimal(v)),
quoted_string.map(|v| v.into()),
// TODO: list, map
))
.parse(input)
}
#[cfg(test)]
mod tests {
use chrono::NaiveDate;
use super::*;
#[test]
fn parse_value() {
assert_eq!(value("nuLl").unwrap().1, DataValue::Null);
assert_eq!(value("TruE").unwrap().1, DataValue::Boolean(true));
assert_eq!(value("falSe").unwrap().1, DataValue::Boolean(false));
assert_eq!(
value("2000-01-01").unwrap().1,
DataValue::Date(NaiveDate::from_ymd_opt(2000, 01, 01).unwrap())
);
assert_eq!(value("10").unwrap().1, DataValue::Decimal(10.into()));
assert_eq!(
value("20000101").unwrap().1,
DataValue::Decimal(20000101.into())
);
assert_eq!(
value("\"abc\"").unwrap().1,
DataValue::String("abc".into())
);
}
}

169
src/queries/balance.rs
View File

@ -1,169 +0,0 @@
use std::{collections::HashMap, time::Instant};
use crate::core::{Amount, Ledger};
use chrono::NaiveDate;
use rust_decimal_macros::dec;
use super::{
base::{self, DataValue, Function},
functions::ComparisonFunction,
transaction::{PostingData, PostingField, TransactionField},
};
pub enum Query {
StartDate(NaiveDate),
EndDate(NaiveDate),
}
pub fn balance2(
ledger: &Ledger,
end_date: NaiveDate,
convert_to_unit: Option<&str>,
) -> HashMap<u32, Vec<Amount>> {
let q = ComparisonFunction::new(
"<=",
base::Query::from_field(PostingField::Transaction(TransactionField::Date)),
base::Query::from(DataValue::from(end_date)),
)
.unwrap();
let convert_to_unit = convert_to_unit.map(|u| ledger.get_unit_by_symbol(u).unwrap());
let postings = ledger
.get_transactions()
.iter()
.map(|t| {
t.get_postings().iter().map(|p| PostingData {
ledger,
posting: p,
parent_transaction: t,
})
})
.flatten();
let filtered_postings =
postings.filter(|data| q.evaluate(data).map(|v| bool::from(v)).unwrap_or(false));
let mut accounts = HashMap::new();
for posting_data in filtered_postings {
let posting = posting_data.posting;
let mut amount = *posting.get_amount();
if let Some(new_unit) = convert_to_unit {
if amount.unit_id != new_unit.get_id() {
let price = ledger.get_price_on_date(end_date, amount.unit_id, new_unit.get_id());
if let Some(price) = price {
amount = Amount {
value: amount.value * price,
unit_id: new_unit.get_id(),
};
}
}
}
let account_vals = accounts
.entry(posting.get_account_id())
.or_insert(HashMap::new());
let a = account_vals.entry(amount.unit_id).or_insert(dec!(0));
*a += amount.value;
}
accounts
.iter()
.map(|(&k, v)| {
(
k,
v.into_iter()
.map(|(&unit_id, &value)| Amount { value, unit_id })
.collect(),
)
})
.collect()
}
pub fn balance3(ledger: &Ledger, query: &base::Query<PostingField>) -> HashMap<u32, Vec<Amount>> {
// let q = ComparisonFunction::new(
// "<=",
// base::Query::from_field(PostingField::Transaction(TransactionField::Date)),
// base::Query::from(DataValue::from(end_date)),
// )
// .unwrap();
let t0 = Instant::now();
let postings = ledger
.get_transactions()
.iter()
.map(|t| {
t.get_postings().iter().map(|p| PostingData {
ledger,
posting: p,
parent_transaction: t,
})
})
.flatten();
let t1 = Instant::now();
let filtered_postings =
postings.filter(|data| query.evaluate(data).map(|v| bool::from(v)).unwrap_or(false));
let t2 = Instant::now();
// println!("{:?} {:?}", t1-t0, t2-t1);
let mut accounts = HashMap::new();
for posting_data in filtered_postings {
let posting = posting_data.posting;
let amount = posting.get_amount();
let account_vals = accounts
.entry(posting.get_account_id())
.or_insert(HashMap::new());
let a = account_vals.entry(amount.unit_id).or_insert(dec!(0));
*a += amount.value;
}
accounts
.iter()
.map(|(&k, v)| {
(
k,
v.into_iter()
.map(|(&unit_id, &value)| Amount { value, unit_id })
.collect(),
)
})
.collect()
}
pub fn balance(ledger: &Ledger, query: &[Query]) -> HashMap<u32, Vec<Amount>> {
let relevant_transactions = ledger.get_transactions().iter().filter(|txn| {
query.iter().all(|q| match q {
Query::StartDate(date) => txn.get_date() >= *date,
Query::EndDate(date) => txn.get_date() <= *date,
})
});
let mut accounts = HashMap::new();
for txn in relevant_transactions.clone() {
for posting in txn.get_postings() {
let amount = posting.get_amount();
let account_vals = accounts
.entry(posting.get_account_id())
.or_insert(HashMap::new());
let a = account_vals.entry(amount.unit_id).or_insert(dec!(0));
*a += amount.value;
}
}
accounts
.iter()
.map(|(&k, v)| {
(
k,
v.into_iter()
.map(|(&unit_id, &value)| Amount { value, unit_id })
.collect(),
)
})
.collect()
}

294
src/queries/functions.rs
View File

@ -1,294 +0,0 @@
use std::time::{Duration, Instant};
use crate::core::CoreError;
use regex::Regex;
use super::base::{Data, DataValue, Function, Query, StringData};
#[derive(PartialEq, Debug)]
pub enum ComparisonOperator {
EQ,
NEQ,
GT,
LT,
GTE,
LTE,
}
pub struct ComparisonFunction<'a, Field> {
op: ComparisonOperator,
left: Query<'a, Field>,
right: Query<'a, Field>,
}
pub enum StringComparisonOperator<'a> {
Func(&'a (dyn Fn(&str) -> bool + 'a)),
Regex(Regex),
}
pub struct StringComparisonFunction<'a, Field> {
op: StringComparisonOperator<'a>,
val: Query<'a, Field>,
}
pub struct SubAccountFunction<'a, Field> {
account_name: StringData<'a>,
val: Query<'a, Field>,
}
pub struct RegexFunction<'a, Field> {
left: Query<'a, Field>,
regex: Regex,
}
#[derive(PartialEq, Debug)]
pub enum LogicalOperator {
AND,
OR,
}
pub struct LogicalFunction<'a, Field> {
op: LogicalOperator,
left: Query<'a, Field>,
right: Query<'a, Field>,
}
pub struct NotFunction<'a, Field> {
value: Query<'a, Field>,
}
impl<'a, Field> ComparisonFunction<'a, Field> {
pub fn new(
op: &str,
left: Query<'a, Field>,
right: Query<'a, Field>,
) -> Result<Self, CoreError> {
let op = match op {
"==" => ComparisonOperator::EQ,
"!=" => ComparisonOperator::NEQ,
">" => ComparisonOperator::GT,
"<" => ComparisonOperator::LT,
">=" => ComparisonOperator::GTE,
"<=" => ComparisonOperator::LTE,
_ => return Err("Invalid Operator".into()),
};
Ok(ComparisonFunction { op, left, right })
}
pub fn new_op(
op: ComparisonOperator,
left: Query<'a, Field>,
right: Query<'a, Field>,
) -> Self {
ComparisonFunction { op, left, right }
}
}
impl<'a, Field> SubAccountFunction<'a, Field> {
pub fn new(account: StringData<'a>, val: Query<'a, Field>) -> Self {
SubAccountFunction { account_name: account, val }
}
}
impl<'a, Field> StringComparisonFunction<'a, Field> {
pub fn new_func(
val: Query<'a, Field>,
func: &'a (impl Fn(&str) -> bool + 'a),
) -> Result<Self, CoreError> {
Ok(StringComparisonFunction { val, op: StringComparisonOperator::Func(func) })
}
pub fn new_regex(val: Query<'a, Field>, regex: &str) -> Result<Self, CoreError> {
let regex = Regex::new(regex).map_err(|_| CoreError::from("Unable to parse regex"))?;
Ok(StringComparisonFunction { val, op: StringComparisonOperator::Regex(regex) })
}
}
impl<'a, Field> RegexFunction<'a, Field> {
pub fn new(left: Query<'a, Field>, regex: &str) -> Result<Self, CoreError> {
let regex = Regex::new(regex).map_err(|_| CoreError::from("Unable to parse regex"))?;
Ok(RegexFunction { left, regex })
}
}
impl<'a, Field> Function<Field> for ComparisonFunction<'a, Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
let left = self.left.evaluate(context)?;
let right = self.right.evaluate(context)?;
match self.op {
ComparisonOperator::EQ => Ok(DataValue::Boolean(left == right)),
ComparisonOperator::NEQ => Ok(DataValue::Boolean(left != right)),
ComparisonOperator::GT => Ok(DataValue::Boolean(left > right)),
ComparisonOperator::LT => Ok(DataValue::Boolean(left < right)),
ComparisonOperator::GTE => Ok(DataValue::Boolean(left >= right)),
ComparisonOperator::LTE => Ok(DataValue::Boolean(left <= right)),
}
}
}
impl<'a, Field> Function<Field> for StringComparisonFunction<'a, Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
let val = self.val.evaluate(context)?;
if let DataValue::String(val) = val {
match &self.op {
StringComparisonOperator::Func(func) => Ok(DataValue::Boolean(func(val.as_ref()))),
StringComparisonOperator::Regex(regex) => {
Ok(DataValue::Boolean(regex.is_match(val.as_ref())))
}
}
// Ok(DataValue::Boolean(self.regex.is_match(left.as_ref())))
} else {
Err("Cannot use REGEX operation on non string types".into())
}
// let left = self.left.evaluate(context)?;
// if let DataValue::String(left) = left {
// Ok(DataValue::Boolean(self.regex.is_match(left.as_ref())))
// } else {
// Err("Cannot use REGEX operation on non string types".into())
// }
}
}
impl<'a, Field> Function<Field> for SubAccountFunction<'a, Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
let val = self.val.evaluate(context)?;
if let DataValue::String(val) = val {
Ok(DataValue::Boolean(
val.as_ref()
.strip_prefix(self.account_name.as_ref())
.map(|n| n.is_empty() || n.starts_with(":"))
.unwrap_or(false),
))
} else {
Err("Cannot compare account name on non string types".into())
}
}
}
impl<'a, Field> Function<Field> for RegexFunction<'a, Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
let left = self.left.evaluate(context)?;
if let DataValue::String(left) = left {
Ok(DataValue::Boolean(self.regex.is_match(left.as_ref())))
} else {
Err("Cannot use REGEX operation on non string types".into())
}
}
}
impl<'a, Field> LogicalFunction<'a, Field> {
pub fn new(
op: &str,
left: Query<'a, Field>,
right: Query<'a, Field>,
) -> Result<Self, CoreError> {
if op.eq_ignore_ascii_case("and") {
Ok(LogicalFunction { op: LogicalOperator::AND, left, right })
} else if op.eq_ignore_ascii_case("or") {
Ok(LogicalFunction { op: LogicalOperator::OR, left, right })
} else {
Err("Invalid logical operator".into())
}
}
}
impl<'a, Field> NotFunction<'a, Field> {
pub fn new(value: Query<'a, Field>) -> Self {
NotFunction { value }
}
}
impl<'a, Field> Function<Field> for LogicalFunction<'a, Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
// More verbose to try and avoid doing right side computation
let value: bool = match self.op {
LogicalOperator::AND => {
if !bool::from(self.left.evaluate(context)?) {
false
} else {
self.right.evaluate(context)?.into()
}
}
LogicalOperator::OR => {
if bool::from(self.left.evaluate(context)?) {
true
} else {
self.right.evaluate(context)?.into()
}
}
};
Ok(DataValue::Boolean(value))
// let left = self.left.evaluate(context)?.into();
// let right = self.right.evaluate(context)?.into();
// match self.op {
// LogicalOperator::AND => Ok(DataValue::Boolean(left && right)),
// LogicalOperator::OR => Ok(DataValue::Boolean(left || right)),
// }
}
}
impl<'a, Field> Function<Field> for NotFunction<'a, Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
let value: bool = self.value.evaluate(context)?.into();
Ok(DataValue::Boolean(!value))
}
}
// Tests section
#[cfg(test)]
mod tests {
use super::*;
enum TestField {}
struct TestData {}
impl<TestField> Data<TestField> for TestData {
fn get_field(&self, _: &TestField) -> Result<DataValue, CoreError> {
Err("".into())
}
}
#[test]
fn comparison_function_evaluate() {
let value1: DataValue = 5.into();
let value2: DataValue = 10.into();
let context = TestData {};
let comparison_function =
ComparisonFunction::<TestField>::new(">", value1.into(), value2.into()).unwrap();
assert_eq!(comparison_function.op, ComparisonOperator::GT);
assert_eq!(comparison_function.evaluate(&context), Ok(false.into()));
let value = Query::from_fn(comparison_function);
assert_eq!(value.evaluate(&context), Ok(false.into()));
}
#[test]
fn logical_function_evaluate() {
let value1: DataValue = 1.into();
let value2: DataValue = false.into();
let context = TestData {};
let logical_function_and =
LogicalFunction::<TestField>::new("and", value1.clone().into(), value2.clone().into())
.unwrap();
assert_eq!(logical_function_and.op, LogicalOperator::AND);
assert_eq!(logical_function_and.evaluate(&context), Ok(false.into()));
let logical_function_or =
LogicalFunction::<TestField>::new("or", value1.into(), value2.into()).unwrap();
assert_eq!(logical_function_or.op, LogicalOperator::OR);
assert_eq!(logical_function_or.evaluate(&context), Ok(true.into()));
}
}

9
src/queries/mod.rs
View File

@ -1,9 +0,0 @@
mod balance;
mod postings;
pub mod base;
pub mod functions;
pub mod parser;
pub mod transaction;
pub use balance::*;
pub use postings::*;

142
src/queries/parser/functions.rs
View File

@ -1,142 +0,0 @@
use nom::{
branch::alt, bytes::complete::{tag, tag_no_case, take_until}, character::complete::space0, error::{Error, ErrorKind}, multi::fold_many0, sequence::{delimited, preceded, tuple}, AsChar, IResult, InputTakeAtPosition, Parser
};
use crate::{
parser::{decimal, parse_iso_date, quoted_string},
queries::{
base::{DataValue, Query},
functions::{ComparisonFunction, ComparisonOperator, LogicalFunction},
},
};
pub trait ParseField: Sized {
fn parse(input: &str) -> Option<Self>;
}
// fn query<'a, Field: ParseField + 'static>(
// input: &'a str,
// ) -> IResult<&'a str, Query<'a, Field>> {
// // TODO: uncommented, is this right?
// delimited(
// space0,
// alt((
// parenthesis,
// value.map(|v| v.into()),
// field.map(|v| Query::from_field(v)),
// comparison_function::<Field>.map(|v| Query::from_fn(v)),
// logical_function::<Field>.map(|v| Query::from_fn(v)),
// )),
// space0,
// )
// .parse(input)
// }
fn value<'a>(input: &'a str) -> IResult<&'a str, DataValue<'a>> {
alt((
tag_no_case("null").map(|_| DataValue::Null),
tag_no_case("true").map(|_| DataValue::Boolean(true)),
tag_no_case("false").map(|_| DataValue::Boolean(false)),
parse_iso_date.map(|v| v.into()),
decimal.map(|v| v.into()),
quoted_string.map(|v| v.into()),
))
.parse(input)
}
fn field<'a, Field: ParseField>(input: &str) -> IResult<&str, Field> {
input
.split_at_position1_complete(
|item| !item.is_alphanum() || item != '.',
ErrorKind::AlphaNumeric,
)
.and_then(|v| {
Field::parse(v.1)
.map(|f| (v.0, f))
.ok_or(nom::Err::Error(Error::new(input, ErrorKind::Eof)))
})
}
// fn parenthesis<'a, Field: ParseField + 'static>(
// input: &'a str,
// ) -> IResult<&'a str, Query<'a, Field>> {
// delimited(tag("("), query, tag(")")).parse(input)
// }
// fn query_factor<'a, Field: ParseField + 'static>(input: &'a str) -> IResult<&'a str, Query<'a, Field>> {
// delimited(
// space0,
// alt((
// value.map(|v| v.into()),
// field.map(|v| Query::from_field(v)),
// parenthesis,
// )),
// space0,
// )
// .parse(input)
// }
// fn query_comparison<'a, Field: ParseField + 'static>(
// input: &'a str,
// ) -> IResult<&'a str, Query<'a, Field>> {
// let (input, initial) = query_factor(input)?;
// let op = alt((
// tag("=").map(|_| ComparisonOperator::EQ),
// tag("!=").map(|_| ComparisonOperator::NEQ),
// tag(">").map(|_| ComparisonOperator::GT),
// tag("<").map(|_| ComparisonOperator::LT),
// tag(">=").map(|_| ComparisonOperator::GTE),
// tag("<=").map(|_| ComparisonOperator::LTE),
// ));
// loop {
// }
// fold_many0(tuple((op, query_factor)), move || initial, |acc, (op, val)| {
// Query::from_fn(ComparisonFunction::new_op(op, acc, val))
// }).parse(input)
// }
// fn query_logical_and<'a, Field: ParseField>(
// input: &str,
// ) -> IResult<&'a str, Query<'a, Field>> {
// let (input_next, lhs) = query_factor(input)?;
// fold_many0(preceded(tag_no_case("and"), query_factor), init, g)
// // loop {
// // let rhs_result = tuple((
// // alt((tag_no_case("and"), tag_no_case("or"))),
// // query_factor,
// // )).parse(input_next);
// // if let Ok(rhs_result) = rhs_result {
// // input_next = rhs_result.0;
// // } else {
// // break;
// // }
// // };
// // tuple(take_until(alt((tag("")))))
// }
// fn logical_function<'a, Field: ParseField>(
// input: &str,
// ) -> IResult<&str, LogicalFunction<'a, Field>> {
// let lhs =
// }
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn parse_string() {
assert_eq!(quoted_string("\"test\"").unwrap().1, "test");
assert_eq!(quoted_string("\"te\\\"st\"").unwrap().1, "te\\\"st");
}
}

1
src/queries/parser/mod.rs
View File

@ -1 +0,0 @@
mod functions;

11
src/queries/postings.rs
View File

@ -1,11 +0,0 @@
use crate::core::Ledger;
pub struct PostingQuery {
}
pub fn query_postings(ledger: &Ledger, query: PostingQuery) {
}

75
src/query/balance.rs Normal file
View File

@ -0,0 +1,75 @@
use chrono::NaiveDate;
use rust_decimal_macros::dec;
use std::collections::HashMap;
use super::{
transaction::{PostingData, PostingField},
Query,
};
use crate::core::{Amount, Ledger};
pub fn balance(
ledger: &Ledger,
filter: Option<&Query<PostingField>>,
convert_to_unit: Option<(&str, NaiveDate)>,
) -> HashMap<u32, Vec<Amount>> {
let convert_to_unit = convert_to_unit.map(|u| (ledger.get_unit_by_symbol(u.0).unwrap(), u.1));
let postings = ledger
.get_transactions()
.iter()
.map(|t| {
t.get_postings().iter().map(|p| PostingData {
ledger,
posting: p,
parent_transaction: t,
})
})
.flatten();
let filter = match filter {
Some(filter) => filter,
None => &Query::Value(true.into()),
};
let filtered_postings = postings.filter(|data| {
filter
.evaluate(data)
.map(|v| bool::from(v))
.unwrap_or(false)
});
let mut accounts = HashMap::new();
for posting_data in filtered_postings {
let posting = posting_data.posting;
let mut amount = *posting.get_amount();
if let Some((new_unit, unit_date)) = convert_to_unit {
if amount.unit_id != new_unit.get_id() {
let price = ledger.get_price_on_date(unit_date, amount.unit_id, new_unit.get_id());
if let Some(price) = price {
amount = Amount {
value: amount.value * price,
unit_id: new_unit.get_id(),
};
}
}
}
let account_vals = accounts
.entry(posting.get_account_id())
.or_insert(HashMap::new());
let a = account_vals.entry(amount.unit_id).or_insert(dec!(0));
*a += amount.value;
}
accounts
.iter()
.map(|(&k, v)| {
(
k,
v.into_iter()
.map(|(&unit_id, &value)| Amount { value, unit_id })
.collect(),
)
})
.collect()
}

202
src/query/functions_comparison.rs Normal file
View File

@ -0,0 +1,202 @@
use regex::{Regex, RegexBuilder};
use std::fmt::Debug;
use super::{Data, Function, Query};
use crate::core::{CoreError, DataValue, StringData};
#[derive(PartialEq, Debug, Clone)]
pub enum ComparisonOperator {
EQ,
NEQ,
GT,
LT,
GTE,
LTE,
}
#[derive(Clone, Debug)]
pub struct ComparisonFunction<Field: Clone + Debug + 'static> {
op: ComparisonOperator,
left: Query<Field>,
right: Query<Field>,
}
// #[derive(Clone, Debug)]
// pub enum StringComparisonOperator<'a> {
// Func(&'a (dyn Fn(&str) -> bool + 'a)),
// Regex(Regex),
// }
// #[derive(Clone)]
// pub struct StringComparisonFunction<'a, Field: Clone + 'static> {
// op: StringComparisonOperator<'a>,
// val: Query<Field>,
// }
#[derive(Clone, Debug)]
pub struct SubAccountFunction<Field: Clone + Debug + 'static> {
account_name: StringData<'static>,
val: Query<Field>,
}
#[derive(Clone, Debug)]
pub struct RegexFunction<Field: Clone + Debug + 'static> {
left: Query<Field>,
regex: Regex,
}
/////////////////////
// Implementations //
/////////////////////
impl<'a, Field: Clone + Debug> ComparisonFunction<Field> {
pub fn new(op: &str, left: Query<Field>, right: Query<Field>) -> Result<Self, CoreError> {
let op = match op {
"==" => ComparisonOperator::EQ,
"!=" => ComparisonOperator::NEQ,
">" => ComparisonOperator::GT,
"<" => ComparisonOperator::LT,
">=" => ComparisonOperator::GTE,
"<=" => ComparisonOperator::LTE,
_ => return Err("Invalid Operator".into()),
};
Ok(ComparisonFunction { op, left, right })
}
pub fn new_op(op: ComparisonOperator, left: Query<Field>, right: Query<Field>) -> Self {
ComparisonFunction { op, left, right }
}
}
impl<Field: Clone + Debug> Function<Field> for ComparisonFunction<Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
let left = self.left.evaluate(context)?;
let right = self.right.evaluate(context)?;
match self.op {
ComparisonOperator::EQ => Ok(DataValue::Boolean(left == right)),
ComparisonOperator::NEQ => Ok(DataValue::Boolean(left != right)),
ComparisonOperator::GT => Ok(DataValue::Boolean(left > right)),
ComparisonOperator::LT => Ok(DataValue::Boolean(left < right)),
ComparisonOperator::GTE => Ok(DataValue::Boolean(left >= right)),
ComparisonOperator::LTE => Ok(DataValue::Boolean(left <= right)),
}
}
}
// impl<'a, Field: Clone> StringComparisonFunction<'a, Field> {
// pub fn new_func(
// val: Query<Field>,
// func: &'a (impl Fn(&str) -> bool + 'a),
// ) -> Result<Self, CoreError> {
// Ok(StringComparisonFunction { val, op: StringComparisonOperator::Func(func) })
// }
// pub fn new_regex(val: Query<Field>, regex: &str) -> Result<Self, CoreError> {
// let regex = Regex::new(regex).map_err(|_| CoreError::from("Unable to parse regex"))?;
// Ok(StringComparisonFunction { val, op: StringComparisonOperator::Regex(regex) })
// }
// }
// impl<'a, Field: Clone> Function<Field> for StringComparisonFunction<'a, Field> {
// fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
// let val = self.val.evaluate(context)?;
// if let DataValue::String(val) = val {
// match &self.op {
// StringComparisonOperator::Func(func) => Ok(DataValue::Boolean(func(val.as_ref()))),
// StringComparisonOperator::Regex(regex) => {
// Ok(DataValue::Boolean(regex.is_match(val.as_ref())))
// }
// }
// // Ok(DataValue::Boolean(self.regex.is_match(left.as_ref())))
// } else {
// Err("Cannot use REGEX operation on non string types".into())
// }
// // let left = self.left.evaluate(context)?;
// // if let DataValue::String(left) = left {
// // Ok(DataValue::Boolean(self.regex.is_match(left.as_ref())))
// // } else {
// // Err("Cannot use REGEX operation on non string types".into())
// // }
// }
// }
impl<'a, Field: Clone + Debug> SubAccountFunction<Field> {
pub fn new(account: StringData<'a>, val: Query<Field>) -> Self {
SubAccountFunction { account_name: account.into_owned(), val }
}
}
impl<Field: Clone + Debug> Function<Field> for SubAccountFunction<Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
let val = self.val.evaluate(context)?;
if let DataValue::String(val) = val {
Ok(DataValue::Boolean(
val.as_ref()
.strip_prefix(self.account_name.as_ref())
.map(|n| n.is_empty() || n.starts_with(":"))
.unwrap_or(false),
))
} else {
Err("Cannot compare account name on non string types".into())
}
}
}
impl<Field: Clone + Debug> RegexFunction<Field> {
pub fn new(left: Query<Field>, regex: &str, case_insensitive: bool) -> Result<Self, CoreError> {
let regex = RegexBuilder::new(regex).case_insensitive(case_insensitive).build().map_err(|_| CoreError::from("Unable to parse regex"))?;
Ok(RegexFunction { left, regex })
}
}
impl<Field: Clone + Debug> Function<Field> for RegexFunction<Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
let left = self.left.evaluate(context)?;
if let DataValue::String(left) = left {
Ok(DataValue::Boolean(self.regex.is_match(left.as_ref())))
} else {
Err("Cannot use REGEX operation on non string types".into())
}
}
}
///////////
// Tests //
///////////
#[cfg(test)]
mod tests {
use super::*;
#[derive(Debug, Clone)]
enum TestField {}
struct TestData {}
impl<TestField> Data<TestField> for TestData {
fn get_field(&self, _: &TestField) -> Result<DataValue, CoreError> {
Err("".into())
}
}
#[test]
fn comparison_function_evaluate() {
let value1: DataValue = 5.into();
let value2: DataValue = 10.into();
let context = TestData {};
let comparison_function =
ComparisonFunction::<TestField>::new(">", value1.into(), value2.into()).unwrap();
assert_eq!(comparison_function.op, ComparisonOperator::GT);
assert_eq!(comparison_function.evaluate(&context), Ok(false.into()));
let value = Query::from_fn(comparison_function);
assert_eq!(value.evaluate(&context), Ok(false.into()));
}
}

125
src/query/functions_logical.rs Normal file
View File

@ -0,0 +1,125 @@
use super::{Data, Function, Query};
use crate::core::{CoreError, DataValue};
use std::fmt::Debug;
#[derive(PartialEq, Debug, Clone)]
pub enum LogicalOperator {
AND,
OR,
}
#[derive(Debug, Clone)]
pub struct LogicalFunction<Field: Clone + Debug + 'static> {
op: LogicalOperator,
left: Query<Field>,
right: Query<Field>,
}
#[derive(Debug, Clone)]
pub struct NotFunction<Field: Clone + Debug + 'static> {
value: Query<Field>,
}
/////////////////////
// Implementations //
/////////////////////
impl<Field: Clone + Debug> LogicalFunction<Field> {
pub fn new(op: &str, left: Query<Field>, right: Query<Field>) -> Result<Self, CoreError> {
if op.eq_ignore_ascii_case("and") {
Ok(LogicalFunction { op: LogicalOperator::AND, left, right })
} else if op.eq_ignore_ascii_case("or") {
Ok(LogicalFunction { op: LogicalOperator::OR, left, right })
} else {
Err("Invalid logical operator".into())
}
}
pub fn new_op(op: LogicalOperator, left: Query<Field>, right: Query<Field>) -> Self {
LogicalFunction { op, left, right }
}
}
impl<Field: Clone + Debug> Function<Field> for LogicalFunction<Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
// More verbose to try and avoid doing right side computation
let value: bool = match self.op {
LogicalOperator::AND => {
if !bool::from(self.left.evaluate(context)?) {
false
} else {
self.right.evaluate(context)?.into()
}
}
LogicalOperator::OR => {
if bool::from(self.left.evaluate(context)?) {
true
} else {
self.right.evaluate(context)?.into()
}
}
};
Ok(DataValue::Boolean(value))
// let left = self.left.evaluate(context)?.into();
// let right = self.right.evaluate(context)?.into();
// match self.op {
// LogicalOperator::AND => Ok(DataValue::Boolean(left && right)),
// LogicalOperator::OR => Ok(DataValue::Boolean(left || right)),
// }
}
}
impl<Field: Clone + Debug> NotFunction<Field> {
pub fn new(value: Query<Field>) -> Self {
NotFunction { value }
}
}
impl<Field: Clone + Debug> Function<Field> for NotFunction<Field> {
fn evaluate(&self, context: &dyn Data<Field>) -> Result<DataValue, CoreError> {
let value: bool = self.value.evaluate(context)?.into();
Ok(DataValue::Boolean(!value))
}
}
///////////
// Tests //
///////////
#[cfg(test)]
mod tests {
use super::*;
#[derive(Debug, Clone)]
enum TestField {}
struct TestData {}
impl<TestField> Data<TestField> for TestData {
fn get_field(&self, _: &TestField) -> Result<DataValue, CoreError> {
Err("".into())
}
}
#[test]
fn logical_function_evaluate() {
let value1: DataValue = 1.into();
let value2: DataValue = false.into();
let context = TestData {};
let logical_function_and =
LogicalFunction::<TestField>::new("and", value1.clone().into(), value2.clone().into())
.unwrap();
assert_eq!(logical_function_and.op, LogicalOperator::AND);
assert_eq!(logical_function_and.evaluate(&context), Ok(false.into()));
let logical_function_or =
LogicalFunction::<TestField>::new("or", value1.into(), value2.into()).unwrap();
assert_eq!(logical_function_or.op, LogicalOperator::OR);
assert_eq!(logical_function_or.evaluate(&context), Ok(true.into()));
}
}

11
src/query/mod.rs Normal file
View File

@ -0,0 +1,11 @@
mod query;
mod functions_comparison;
mod functions_logical;
mod transaction;
mod balance;
pub use query::*;
pub use functions_comparison::*;
pub use functions_logical::*;
pub use transaction::*;
pub use balance::*;

68
src/query/query.rs Normal file
View File

@ -0,0 +1,68 @@
use std::fmt::Debug;
use crate::core::{CoreError, DataValue};
#[derive(Debug)]
pub enum Query<T: Clone + Debug + 'static> {
Field(T),
Value(DataValue),
Function(Box<dyn Function<T>>),
}
pub trait Data<T> {
fn get_field(&self, field: &T) -> Result<DataValue, CoreError>;
}
pub trait Function<T>: FunctionClone<T> + Debug {
fn evaluate(&self, context: &dyn Data<T>) -> Result<DataValue, CoreError>;
}
pub trait FunctionClone<T> {
fn clone_box(&self) -> Box<dyn Function<T>>;
}
impl<T, F> FunctionClone<T> for F
where
F: Function<T> + Clone + 'static,
{
fn clone_box(&self) -> Box<dyn Function<T>> {
Box::new(self.clone())
}
}
impl<T> Clone for Query<T>
where
T: Clone + Debug,
{
fn clone(&self) -> Self {
match self {
Query::Field(f) => Query::Field(f.clone()),
Query::Value(v) => Query::Value(v.clone()),
Query::Function(f) => Query::Function(f.clone_box()),
}
}
}
impl<T: Clone + Debug> Query<T> {
pub fn evaluate(&self, context: &dyn Data<T>) -> Result<DataValue, CoreError> {
match self {
Query::Field(field) => context.get_field(field),
Query::Value(constant) => Ok(constant.clone()),
Query::Function(function) => function.evaluate(context),
}
}
pub fn from_field(field: T) -> Self {
Query::Field(field)
}
pub fn from_fn<F: Function<T> + Sized + 'static>(function: F) -> Self {
Query::Function(Box::new(function))
}
}
impl<'a, T: Clone + Debug> From<DataValue> for Query<T> {
fn from(constant: DataValue) -> Self {
Query::Value(constant)
}
}

14
src/queries/transaction.rs → src/query/transaction.rs
View File

@ -1,13 +1,14 @@
use crate::core::{CoreError, Ledger, Posting, Transaction};
use super::base::{Data, DataValue};
use super::Data;
use crate::core::{CoreError, DataValue, Ledger, Posting, Transaction};
#[derive(Debug, Clone)]
pub enum AccountField {
Name,
OpenDate,
CloseDate,
}
#[derive(Debug, Clone)]
pub enum PostingField {
Transaction(TransactionField),
Account(AccountField),
@ -16,6 +17,7 @@ pub enum PostingField {
Price,
}
#[derive(Debug, Clone)]
pub enum TransactionField {
Date,
Flag,
@ -32,7 +34,9 @@ pub struct PostingData<'a> {
impl<'a> Data<PostingField> for PostingData<'a> {
fn get_field(&self, field: &PostingField) -> Result<DataValue, CoreError> {
match field {
PostingField::Transaction(transaction_field) => get_transaction_value(transaction_field, &self.parent_transaction),
PostingField::Transaction(transaction_field) => {
get_transaction_value(transaction_field, &self.parent_transaction)
}
PostingField::Account(account_field) => {
let account = self
.ledger
@ -60,7 +64,7 @@ impl<'a> Data<PostingField> for PostingData<'a> {
fn get_transaction_value<'a>(
field: &TransactionField,
transaction: &Transaction,
) -> Result<DataValue<'a>, CoreError> {
) -> Result<DataValue, CoreError> {
match field {
TransactionField::Date => Ok(transaction.get_date().into()),
TransactionField::Flag => Ok(char::from(transaction.get_flag()).to_string().into()),