fix

backend-old/migrations/005_create_albums.sql

@@ -0,0 +1,73 @@
+-- +migrate Up
+
+CREATE TABLE albums (
+    id SERIAL PRIMARY KEY,
+    title VARCHAR(200) NOT NULL,
+    description TEXT,
+    slug VARCHAR(255) UNIQUE,
+    cover_photo_id INTEGER REFERENCES photos(id) ON DELETE SET NULL,
+    user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    category_id INTEGER REFERENCES categories(id) ON DELETE SET NULL,
+    is_public BOOLEAN DEFAULT true,
+    is_featured BOOLEAN DEFAULT false,
+    password VARCHAR(255),
+    view_count INTEGER DEFAULT 0,
+    like_count INTEGER DEFAULT 0,
+    photo_count INTEGER DEFAULT 0,
+    sort_order INTEGER DEFAULT 0,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    deleted_at TIMESTAMP
+);
+
+-- 创建索引
+CREATE INDEX idx_albums_user_id ON albums(user_id);
+CREATE INDEX idx_albums_category_id ON albums(category_id);
+CREATE INDEX idx_albums_cover_photo_id ON albums(cover_photo_id);
+CREATE INDEX idx_albums_slug ON albums(slug);
+CREATE INDEX idx_albums_is_public ON albums(is_public);
+CREATE INDEX idx_albums_is_featured ON albums(is_featured);
+CREATE INDEX idx_albums_created_at ON albums(created_at);
+CREATE INDEX idx_albums_view_count ON albums(view_count);
+CREATE INDEX idx_albums_like_count ON albums(like_count);
+CREATE INDEX idx_albums_photo_count ON albums(photo_count);
+CREATE INDEX idx_albums_sort_order ON albums(sort_order);
+CREATE INDEX idx_albums_deleted_at ON albums(deleted_at) WHERE deleted_at IS NOT NULL;
+
+-- 添加更新时间触发器
+CREATE TRIGGER update_albums_updated_at BEFORE UPDATE ON albums
+FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+-- 添加 slug 自动生成触发器
+CREATE OR REPLACE FUNCTION generate_album_slug()
+RETURNS TRIGGER AS $$
+BEGIN
+    IF NEW.slug IS NULL OR NEW.slug = '' THEN
+        NEW.slug = lower(regexp_replace(NEW.title, '[^a-zA-Z0-9]+', '-', 'g'));
+        NEW.slug = trim(both '-' from NEW.slug);
+        
+        -- 确保 slug 唯一
+        DECLARE
+            counter INTEGER := 0;
+            base_slug VARCHAR(255);
+        BEGIN
+            base_slug := NEW.slug;
+            WHILE EXISTS (SELECT 1 FROM albums WHERE slug = NEW.slug AND id != COALESCE(NEW.id, 0)) LOOP
+                counter := counter + 1;
+                NEW.slug := base_slug || '-' || counter;
+            END LOOP;
+        END;
+    END IF;
+    RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+CREATE TRIGGER generate_albums_slug BEFORE INSERT OR UPDATE ON albums
+FOR EACH ROW EXECUTE FUNCTION generate_album_slug();
+
+-- +migrate Down
+
+DROP TRIGGER IF EXISTS generate_albums_slug ON albums;
+DROP FUNCTION IF EXISTS generate_album_slug();
+DROP TRIGGER IF EXISTS update_albums_updated_at ON albums;
+DROP TABLE IF EXISTS albums;