116 lines
3.0 KiB
Go
116 lines
3.0 KiB
Go
package database
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import (
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"database/sql"
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"os"
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"path/filepath"
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_ "github.com/mattn/go-sqlite3"
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)
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func Init(dbPath string) (*sql.DB, error) {
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// 确保目录存在
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dir := filepath.Dir(dbPath)
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if err := os.MkdirAll(dir, 0755); err != nil {
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return nil, err
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}
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db, err := sql.Open("sqlite3", dbPath+"?_journal_mode=WAL&_busy_timeout=5000")
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if err != nil {
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return nil, err
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}
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if err := migrate(db); err != nil {
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return nil, err
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}
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return db, nil
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}
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func migrate(db *sql.DB) error {
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schema := `
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-- 用户表
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CREATE TABLE IF NOT EXISTS users (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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username TEXT UNIQUE NOT NULL,
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password_hash TEXT NOT NULL,
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nickname TEXT NOT NULL,
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avatar_url TEXT DEFAULT '',
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bio TEXT DEFAULT '',
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is_admin INTEGER DEFAULT 0,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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-- 系统配置表
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CREATE TABLE IF NOT EXISTS settings (
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key TEXT PRIMARY KEY,
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value TEXT NOT NULL
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);
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-- 帖子表
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CREATE TABLE IF NOT EXISTS posts (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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user_id INTEGER NOT NULL,
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content TEXT NOT NULL,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (user_id) REFERENCES users(id)
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);
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-- 帖子媒体表
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CREATE TABLE IF NOT EXISTS post_media (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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post_id INTEGER NOT NULL,
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media_url TEXT NOT NULL,
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media_type TEXT NOT NULL,
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sort_order INTEGER DEFAULT 0,
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FOREIGN KEY (post_id) REFERENCES posts(id) ON DELETE CASCADE
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);
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-- 评论表
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CREATE TABLE IF NOT EXISTS comments (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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post_id INTEGER NOT NULL,
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user_id INTEGER NOT NULL,
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content TEXT NOT NULL,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (post_id) REFERENCES posts(id) ON DELETE CASCADE,
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FOREIGN KEY (user_id) REFERENCES users(id)
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);
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-- 点赞表
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CREATE TABLE IF NOT EXISTS likes (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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post_id INTEGER NOT NULL,
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user_id INTEGER NOT NULL,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(post_id, user_id),
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FOREIGN KEY (post_id) REFERENCES posts(id) ON DELETE CASCADE,
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FOREIGN KEY (user_id) REFERENCES users(id)
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);
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-- 表情反应表
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CREATE TABLE IF NOT EXISTS reactions (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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post_id INTEGER NOT NULL,
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user_id INTEGER NOT NULL,
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emoji TEXT NOT NULL,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(post_id, user_id, emoji),
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FOREIGN KEY (post_id) REFERENCES posts(id) ON DELETE CASCADE,
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FOREIGN KEY (user_id) REFERENCES users(id)
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);
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-- 索引
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CREATE INDEX IF NOT EXISTS idx_posts_user_id ON posts(user_id);
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CREATE INDEX IF NOT EXISTS idx_posts_created_at ON posts(created_at);
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CREATE INDEX IF NOT EXISTS idx_comments_post_id ON comments(post_id);
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CREATE INDEX IF NOT EXISTS idx_likes_post_id ON likes(post_id);
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CREATE INDEX IF NOT EXISTS idx_reactions_post_id ON reactions(post_id);
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-- 初始化默认设置
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INSERT OR IGNORE INTO settings (key, value) VALUES ('allow_register', 'true');
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`
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_, err := db.Exec(schema)
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return err
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}
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