Add basic receipt logging

core/db.js

@@ -38,23 +38,39 @@ async function initDB(db) {
         CREATE TABLE IF NOT EXISTS bot_config (
             id INTEGER PRIMARY KEY CHECK (id = 1),
             weekly_budget REAL DEFAULT 0,
-            exchange_rate_eur_kr REAL DEFAULT 0,
-            last_budget_notification_date TEXT
+            last_date_msg_receipts DATE NOT NULL DEFAULT CURRENT_TIMESTAMP
         );
     `);
     await db.exec(`
-        CREATE TABLE IF NOT EXISTS grocery_budgets (
-            ID INTEGER PRIMARY KEY AUTOINCREMENT,
-            discord_id   VARCHAR(50) NOT NULL,
-            budget_spent REAL,
-            total_spent REAL
+        CREATE TABLE IF NOT EXISTS grocery_spendings (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            discord_id VARCHAR(50) NOT NULL,
+            message_id VARCHAR(50) NOT NULL,
+            message_raw TEXT DEFAULT "-",
+            amount DECIMAL(10, 2) NOT NULL,
+            created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+            
+            budget_id INTEGER,
+            FOREIGN KEY (budget_id) REFERENCES weekly_budgets(id)
         );
     `);
+    await db.exec(`
+        CREATE TABLE IF NOT EXISTS weekly_budgets (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            start_date DATE NOT NULL,
+            end_date DATE NOT NULL,
+            budget_amount DECIMAL(10, 2) NOT NULL,
+            exchange_rate DECIMAL(10, 6) NOT NULL,
+            created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+            CONSTRAINT date_check CHECK (end_date > start_date)
+        );
+        CREATE INDEX IF NOT EXISTS idx_budget_dates ON weekly_budgets (start_date, end_date);
+    `);
+    
 
-    // Optional: Initialize the row if it doesn't exist yet
     await db.exec(`
-        INSERT OR IGNORE INTO bot_config (id, weekly_budget, last_budget_notification_date) 
-        VALUES (1, 0, NULL);
+        INSERT OR IGNORE INTO bot_config (id, weekly_budget) 
+        VALUES (1, 10);
     `);
     console.log('[DATABASE] Created new DB table');
 }