1

internal/handlers/post_schema.go

@@ -0,0 +1,61 @@
+package handlers
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+// EnsurePostsSchema creates posts, post_attachments, and post_tags tables.
+func EnsurePostsSchema(ctx context.Context, pool *pgxpool.Pool) error {
+	_, err := pool.Exec(ctx, `
+		CREATE TABLE IF NOT EXISTS posts (
+			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			category_id INT NOT NULL REFERENCES categories(id),
+			language TEXT NOT NULL DEFAULT 'zh',
+			text_zh TEXT,
+			text_en TEXT,
+			text_ja TEXT,
+			text_ko TEXT,
+			text_vi TEXT,
+			text_id TEXT,
+			text_ms TEXT,
+			is_public BOOLEAN NOT NULL DEFAULT TRUE,
+			is_recommended BOOLEAN NOT NULL DEFAULT FALSE,
+			sort_order INT NOT NULL DEFAULT 0,
+			status TEXT NOT NULL DEFAULT 'draft',
+			published_at TIMESTAMPTZ,
+			created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+			view_count INT NOT NULL DEFAULT 0,
+			download_count INT NOT NULL DEFAULT 0
+		);
+		CREATE INDEX IF NOT EXISTS idx_posts_category ON posts(category_id);
+		CREATE INDEX IF NOT EXISTS idx_posts_status_public ON posts(status, is_public);
+		CREATE INDEX IF NOT EXISTS idx_posts_published ON posts(published_at DESC NULLS LAST, id DESC);
+		CREATE INDEX IF NOT EXISTS idx_posts_recommended ON posts(is_recommended) WHERE is_recommended = TRUE;
+
+		CREATE TABLE IF NOT EXISTS post_attachments (
+			id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+			post_id UUID NOT NULL REFERENCES posts(id) ON DELETE CASCADE,
+			kind TEXT NOT NULL,
+			url TEXT NOT NULL,
+			mime TEXT NOT NULL DEFAULT 'application/octet-stream',
+			filename TEXT NOT NULL DEFAULT '',
+			size_bytes BIGINT NOT NULL DEFAULT 0,
+			width INT,
+			height INT,
+			duration_sec INT,
+			poster_url TEXT,
+			thumbnail_url TEXT,
+			sort_order INT NOT NULL DEFAULT 0
+		);
+		CREATE INDEX IF NOT EXISTS idx_post_attachments_post ON post_attachments(post_id, sort_order ASC);
+
+		CREATE TABLE IF NOT EXISTS post_tags (
+			post_id UUID NOT NULL REFERENCES posts(id) ON DELETE CASCADE,
+			tag_id INT NOT NULL REFERENCES tags(id) ON DELETE CASCADE,
+			PRIMARY KEY (post_id, tag_id)
+		)`)
+	return err
+}