Merge branch 'product_creater' into 'main'

Add pass flushing for move money

See merge request vato007/coster-rs!2

src/lib.rs

@@ -14,10 +14,14 @@ pub use self::overhead_allocation::*;
 mod create_products;
 pub use self::create_products::*;
 
+mod shared_models;
+pub use self::shared_models::*;
+
 #[no_mangle]
 pub extern "C" fn move_money_from_text(
     rules: *const c_char,
     lines: *const c_char,
+    accounts: *const c_char,
     use_numeric_accounts: bool,
 ) -> *mut c_char {
     let mut output_writer = csv::Writer::from_writer(vec![]);
@@ -29,11 +33,17 @@ pub extern "C" fn move_money_from_text(
         assert!(!lines.is_null());
         CStr::from_ptr(lines)
     };
+    let safe_accounts = unsafe {
+        assert!(!lines.is_null());
+        CStr::from_ptr(accounts)
+    };
     move_money(
         csv::Reader::from_reader(safe_rules.to_bytes()),
         csv::Reader::from_reader(safe_lines.to_bytes()),
+        csv::Reader::from_reader(safe_accounts.to_bytes()),
         &mut output_writer,
         use_numeric_accounts,
+        true,
     );
     // TODO: Replace all these unwraps with something more elegant
     let inner = output_writer.into_inner().unwrap();

src/main.rs

@@ -24,11 +24,17 @@ enum Commands {
         #[arg(short = 'l', long, value_name = "FILE")]
         lines: PathBuf,
 
+        #[arg(short = 'a', long, value_name = "FILE")]
+        accounts: PathBuf,
+
         #[arg(short, long, value_name = "FILE")]
         output: Option<PathBuf>,
 
         #[arg(short, long)]
         use_numeric_accounts: bool,
+
+        #[arg(short, long)]
+        flush_pass: bool,
     },
     /// Combines rules to the minimum set required
     smush_rules {
@@ -73,9 +79,18 @@ fn main() -> anyhow::Result<()> {
         Commands::move_money {
             rules,
             lines,
+            accounts,
             output,
             use_numeric_accounts,
-        } => move_money(rules, lines, output, use_numeric_accounts),
+            flush_pass,
+        } => move_money(
+            rules,
+            lines,
+            accounts,
+            output,
+            use_numeric_accounts,
+            flush_pass,
+        ),
         Commands::smush_rules { rules, output } => smush_rules(rules, output),
         Commands::allocate_overheads {
             lines,
@@ -102,14 +117,18 @@ fn main() -> anyhow::Result<()> {
 fn move_money(
     rules: PathBuf,
     lines: PathBuf,
+    accounts: PathBuf,
     output: Option<PathBuf>,
     use_numeric_accounts: bool,
+    flush_pass: bool,
 ) -> anyhow::Result<()> {
     coster_rs::move_money(
         csv::Reader::from_path(rules)?,
         csv::Reader::from_path(lines)?,
+        csv::Reader::from_path(accounts)?,
         &mut csv::Writer::from_path(output.unwrap_or(PathBuf::from("output.csv")))?,
         use_numeric_accounts,
+        flush_pass,
     )
 }
 

src/move_money.rs

@@ -1,8 +1,10 @@
-use std::collections::HashMap;
+use std::{collections::HashMap, thread::current};
 
 use itertools::Itertools;
 use serde::{Deserialize, Serialize, Serializer};
 
+use crate::CsvAccount;
+
 #[derive(Debug, Deserialize)]
 struct CsvMovementRule {
     #[serde(rename = "CostCentreSourceFrom", default)]
@@ -36,6 +38,8 @@ struct CsvMovementRule {
     is_percent: String,
     #[serde(rename = "Apply", default)]
     apply: String,
+    #[serde(rename = "CostOutput")]
+    cost_output: Option<String>,
 }
 
 #[derive(Default)]
@@ -88,6 +92,7 @@ pub struct CsvCost {
     pub department: String,
     #[serde(serialize_with = "round_serialize")]
     pub value: f64,
+    pub pass: Option<i32>,
 }
 
 fn round_serialize<S>(x: &f64, s: S) -> Result<S::Ok, S::Error>
@@ -97,15 +102,18 @@ where
     s.serialize_f64((x * 100000.).round() / 100000.)
 }
 
-pub fn move_money<R, L, O>(
+pub fn move_money<R, L, A, O>(
     rules_reader: csv::Reader<R>,
     lines_reader: csv::Reader<L>,
+    accounts_reader: csv::Reader<A>,
     output: &mut csv::Writer<O>,
     use_numeric_accounts: bool,
+    flush_pass: bool,
 ) -> anyhow::Result<()>
 where
     R: std::io::Read,
     L: std::io::Read,
+    A: std::io::Read,
     O: std::io::Write,
 {
     let mut lines_reader = lines_reader;
@@ -146,6 +154,14 @@ where
             )
         })
         .collect();
+    let mut accounts_reader = accounts_reader;
+    let all_accounts = accounts_reader
+        .deserialize()
+        .collect::<Result<Vec<CsvAccount>, csv::Error>>()?;
+    let account_mappings: HashMap<String, CsvAccount> = all_accounts
+        .into_iter()
+        .map(|account| (account.code.clone(), account))
+        .collect();
 
     let all_accounts_sorted = if use_numeric_accounts {
         lines
@@ -172,6 +188,7 @@ where
     let mut rules_reader = rules_reader;
     let mut rules: Vec<MovementRule> = vec![];
     for movement_rule in rules_reader.deserialize() {
+        // TODO: Consider reclass rule group, how does that even work?
         let movement_rule: CsvMovementRule = movement_rule?;
         let from_accounts = extract_range(
             movement_rule.source_from_account,
@@ -179,12 +196,24 @@ where
             false,
             &all_accounts_sorted,
         );
-        let to_accounts = extract_range(
+        let to_accounts = if movement_rule.cost_output.is_some() {
+            account_mappings
+                .iter()
+                .filter(|(_, account)| {
+                    account.cost_output.is_some()
+                        && account.cost_output.clone().unwrap()
+                            == movement_rule.cost_output.clone().unwrap()
+                })
+                .map(|(code, _)| code.clone())
+                .collect()
+        } else {
+            extract_range(
                 movement_rule.dest_from_account,
                 movement_rule.dest_to_account,
                 false,
                 &all_accounts_sorted,
-        );
+            )
+        };
         let from_departments = extract_range(
             movement_rule.source_from_department,
             movement_rule.source_to_department,
@@ -218,16 +247,19 @@ where
     }
 
     // Then run move_money
-    let moved = move_money_2(lines, &rules);
+    let moved = move_money_2(lines, &rules, flush_pass);
 
     // Ouput the list moved moneys
     for money in moved {
+        for (unit, value) in money.totals {
             output.serialize(CsvCost {
-            account: money.0.account,
+                account: unit.account,
-            department: money.0.department,
+                department: unit.department,
-            value: money.1,
+                value,
+                pass: if flush_pass { Some(money.pass) } else { None },
             })?;
         }
+    }
 
     Ok(())
 }
@@ -267,6 +299,11 @@ fn extract_range(from: String, to: String, all: bool, options: &Vec<String>) ->
 // Advantage of this approach is it can be easily extended to run on the gpu.
 pub fn move_money_1() {}
 
+pub struct MoveMoneyResult {
+    pass: i32,
+    totals: HashMap<Unit, f64>,
+}
+
 // Approach 2:
 // Traditinoal/naive, total for each department is stored in an initial map (department -> total amount).
 // Another map is built up for each rule, and each rule is processed based on the amount in the current total
@@ -281,13 +318,34 @@ pub fn move_money_1() {}
 pub fn move_money_2(
     initial_totals: HashMap<Unit, f64>,
     rules: &Vec<MovementRule>,
-) -> HashMap<Unit, f64> {
+    flush_pass: bool,
+) -> Vec<MoveMoneyResult> {
     // Note: It's potentially a bit more intensive to use cloned totals (rather than just update temp_total per rule),
     // but it's much simpler code and, and since we're only working line-by-line, it isn't really that much memory in practice
     let mut running_total = HashMap::from(initial_totals);
     let mut temp_total = running_total.clone();
+    let mut moveMoneyResult: Vec<MoveMoneyResult> = vec![];
+    let mut current_pass = 0;
+    if flush_pass {
+        moveMoneyResult.push(MoveMoneyResult {
+            pass: current_pass,
+            totals: running_total.clone(),
+        })
+    }
     for rule in rules {
         if rule.is_separator {
+            if flush_pass {
+                // Flush the totals at the end of this pass (more specifically the change)
+                moveMoneyResult.push(MoveMoneyResult {
+                    pass: current_pass,
+                    totals: running_total
+                        .iter()
+                        .map(|(unit, value)| (unit.clone(), temp_total.get(unit).unwrap() - value))
+                        .filter(|(_, value)| *value != 0.)
+                        .collect(),
+                });
+                current_pass += 1;
+            }
             running_total = temp_total.clone();
         } else {
             let mut sum_from = 0.;
@@ -323,7 +381,12 @@ pub fn move_money_2(
             }
         }
     }
-    temp_total
+    moveMoneyResult.push(MoveMoneyResult {
+        pass: current_pass,
+        totals: temp_total,
+    });
+
+    moveMoneyResult
 }
 
 #[cfg(test)]
@@ -333,7 +396,9 @@ mod tests {
         super::move_money(
             csv::Reader::from_path("reclassrule.csv").unwrap(),
             csv::Reader::from_path("line.csv").unwrap(),
+            csv::Reader::from_path("account.csv").unwrap(),
             &mut csv::Writer::from_path("output.csv").unwrap(),
+            false,
             true,
         );
     }

src/overhead_allocation.rs

@@ -4,7 +4,7 @@ use itertools::Itertools;
 use nalgebra::{DMatrix, Dynamic, LU};
 use serde::Deserialize;
 
-use crate::CsvCost;
+use crate::{CsvAccount, CsvCost};
 
 #[derive(Debug, PartialEq, Eq)]
 pub enum DepartmentType {
@@ -39,20 +39,6 @@ pub struct AllocationStatisticAccountRange {
     end: usize,
 }
 
-#[derive(Deserialize)]
-pub struct CsvAccount {
-    #[serde(rename = "Code")]
-    code: String,
-    #[serde(rename = "Description")]
-    description: Option<String>,
-    #[serde(rename = "Type")]
-    account_type: String,
-    #[serde(rename = "CostOutput")]
-    cost_output: Option<String>,
-    #[serde(rename = "PercentFixed")]
-    percent_fixed: f64,
-}
-
 type CsvCostCentre = HashMap<String, String>;
 
 type CsvArea = HashMap<String, String>;
@@ -393,6 +379,7 @@ where
                     account: cost.account.clone(),
                     department: department.department,
                     value: department.value,
+                    pass: None,
                 })?;
             }
         }

src/shared_models.rs

@@ -0,0 +1,15 @@
+use serde::Deserialize;
+
+#[derive(Deserialize)]
+pub struct CsvAccount {
+    #[serde(rename = "Code")]
+    pub code: String,
+    #[serde(rename = "Description")]
+    pub description: Option<String>,
+    #[serde(rename = "Type")]
+    pub account_type: String,
+    #[serde(rename = "CostOutput")]
+    pub cost_output: Option<String>,
+    #[serde(rename = "PercentFixed")]
+    pub percent_fixed: f64,
+}