fix(BE): Change migration chickin and project flock population to refactored one

internal/database/migrations/20251030134527_recreate_project_chikins_table.up.sql

@@ -0,0 +1,58 @@
+-- ============================================
+-- MIGRATION: project_chickins
+-- ============================================
+
+-- STEP 1: Hapus tabel jika sudah ada
+
+-- STEP 2: Buat tabel project_chickins
+CREATE TABLE IF NOT EXISTS project_chickins (
+    id BIGSERIAL PRIMARY KEY,
+    project_flock_kandang_id BIGINT NOT NULL,
+    product_warehouse_id BIGINT NOT NULL,
+    chick_in_date DATE NOT NULL,
+    usage_qty NUMERIC(15, 3) NOT NULL,
+    pending_usage_qty NUMERIC(15, 3) DEFAULT 0,
+    notes TEXT,
+    created_by BIGINT NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT now(),
+    updated_at TIMESTAMPTZ DEFAULT now(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- STEP 3: FOREIGN KEYS
+DO $$
+BEGIN
+    -- Relasi ke project_flock_kandangs
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'project_flock_kandangs') THEN
+        ALTER TABLE project_chickins
+            ADD CONSTRAINT fk_project_chickins_kandang
+            FOREIGN KEY (project_flock_kandang_id)
+            REFERENCES project_flock_kandangs(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    -- Relasi ke product_warehouses
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'product_warehouses') THEN
+        ALTER TABLE project_chickins
+            ADD CONSTRAINT fk_project_chickins_warehouse
+            FOREIGN KEY (product_warehouse_id)
+            REFERENCES product_warehouses(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    -- Relasi ke users
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'users') THEN
+        ALTER TABLE project_chickins
+            ADD CONSTRAINT fk_project_chickins_created_by
+            FOREIGN KEY (created_by)
+            REFERENCES users(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- STEP 4: INDEXES
+CREATE INDEX IF NOT EXISTS idx_chickins_kandang_id ON project_chickins (project_flock_kandang_id);
+
+CREATE INDEX IF NOT EXISTS idx_chickins_warehouse_id ON project_chickins (product_warehouse_id);
+
+CREATE INDEX IF NOT EXISTS idx_chickins_created_by ON project_chickins (created_by);