Parser now has the ability to parse lines

project/src/parser.rs

@@ -32,6 +32,27 @@ impl Parser {
     }
 
     // Functions
+    fn pre_check(&mut self, line: &str) -> bool {
+        // Should be pause?
+        if line.contains("continued") {
+            self.paused = true;
+            return false;
+        }
+
+        // End of Section?
+        if line.contains("Total") {
+            self.mode = ParserModes::None;
+            return false;
+        }
+
+        // Checking if it starts with a number
+        if !line.chars().next().map_or(false, |c| c.is_ascii_digit()) {
+            return false;
+        }
+
+        true
+    }
+
     fn none(&mut self, line: &str) {
         // Checking if the line is the beginning of a table
         if line == "Other withdrawals, debits and service charges" {
@@ -40,22 +61,38 @@ impl Parser {
             self.mode = ParserModes::Credit;
         }
     }
-    fn debit(&mut self, line: &str) {
-        // Should be pause?
-        if line.contains("continued") {
-            self.paused = true;
+    fn transaction(&mut self, t_type: ParserModes, line: &str) {
+        // Perform a Pre-Check
+        if !self.pre_check(line) {
             return;
         }
 
-        // Checking if it starts with a number
-        if !line.chars().next().map_or(false, |c| c.is_ascii_digit()) {
-            return;
+        // Splitting by Parts
+        let parts: Vec<&str> = line.split_whitespace().collect();
+
+        // Collecting based on Parts
+        let description = parts[2..parts.len() - 1].join(" ");
+        let mut amount: f64 = parts.last().unwrap().parse().unwrap_or(0.0);
+        let date = parts[0].to_owned();
+
+        // Is it a debit?
+        match t_type {
+            ParserModes::Debit => {
+                amount = -amount;
+            }
+            _ => {}
         }
 
-        // Print the line
-        println!("Debit: {}", line);
+        // Creating a new Transaction
+        let new_transaction = Transaction {
+            description,
+            amount,
+            date,
+        };
+
+        // Adding the transaction to our list
+        self.transactions.push(new_transaction);
     }
-    fn credit(&mut self, line: &str) {}
 
     fn pause_check(&mut self, line: &str) {
         // Check to see if the line contains "continued"
@@ -87,9 +124,14 @@ impl Parser {
             // Switching based on Mode
             match self.mode {
                 ParserModes::None => self.none(line),
-                ParserModes::Debit => self.debit(line),
-                ParserModes::Credit => self.credit(line),
-            }
+                ParserModes::Debit => self.transaction(ParserModes::Credit, line),
+                ParserModes::Credit => self.transaction(ParserModes::Credit, line),
+            }
+        }
+
+        // DEBUG: Print all transactions
+        for t in &self.transactions {
+            println!("Transaction {}: {} on {}", t.description, t.amount, t.date);
         }
     }
 }