server/db/init.js

@@ -16,7 +16,7 @@ function initDatabase(dbPath) {
   
   console.log('Initializing database schema...');
 
-  // Dogs table - Core registry
+  // Dogs table - NO sire/dam columns, only litter_id
   db.exec(`
     CREATE TABLE IF NOT EXISTS dogs (
       id INTEGER PRIMARY KEY AUTOINCREMENT,
@@ -29,9 +29,11 @@ function initDatabase(dbPath) {
       microchip TEXT,
       photo_urls TEXT, -- JSON array of photo URLs
       notes TEXT,
+      litter_id INTEGER,
       is_active INTEGER DEFAULT 1,
       created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-      updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
+      updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+      FOREIGN KEY (litter_id) REFERENCES litters(id) ON DELETE SET NULL
     )
   `);
 
@@ -42,7 +44,7 @@ function initDatabase(dbPath) {
     WHERE microchip IS NOT NULL
   `);
 
-  // Parents table - Relationship mapping
+  // Parents table - Stores sire/dam relationships
   db.exec(`
     CREATE TABLE IF NOT EXISTS parents (
       id INTEGER PRIMARY KEY AUTOINCREMENT,
@@ -51,7 +53,7 @@ function initDatabase(dbPath) {
       parent_type TEXT NOT NULL CHECK(parent_type IN ('sire', 'dam')),
       FOREIGN KEY (dog_id) REFERENCES dogs(id) ON DELETE CASCADE,
       FOREIGN KEY (parent_id) REFERENCES dogs(id) ON DELETE CASCADE,
-      UNIQUE(dog_id, parent_id, parent_type)
+      UNIQUE(dog_id, parent_type)
     )
   `);
 
@@ -122,6 +124,7 @@ function initDatabase(dbPath) {
   db.exec(`
     CREATE INDEX IF NOT EXISTS idx_dogs_name ON dogs(name);
     CREATE INDEX IF NOT EXISTS idx_dogs_registration ON dogs(registration_number);
+    CREATE INDEX IF NOT EXISTS idx_dogs_litter ON dogs(litter_id);
     CREATE INDEX IF NOT EXISTS idx_parents_dog ON parents(dog_id);
     CREATE INDEX IF NOT EXISTS idx_parents_parent ON parents(parent_id);
     CREATE INDEX IF NOT EXISTS idx_litters_sire ON litters(sire_id);
@@ -141,7 +144,10 @@ function initDatabase(dbPath) {
     END;
   `);
 
-  console.log('Database schema initialized successfully!');
+  console.log('✓ Database schema initialized successfully!');
+  console.log('✓ Dogs table: NO sire/dam columns, uses parents table');
+  console.log('✓ Parents table: Stores sire/dam relationships');
+  console.log('✓ Litters table: Links puppies via litter_id');
   
   db.close();
   return true;
@@ -159,5 +165,11 @@ module.exports = { initDatabase, getDatabase };
 // Run initialization if called directly
 if (require.main === module) {
   const dbPath = process.env.DB_PATH || path.join(__dirname, '../../data/breedr.db');
+  console.log('\n==========================================');
+  console.log('BREEDR Database Initialization');
+  console.log('==========================================');
+  console.log(`Database: ${dbPath}`);
+  console.log('==========================================\n');
   initDatabase(dbPath);
-}
+  console.log('\n✓ Database ready!\n');
+}