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package repository
import (
"database/sql"
"fmt"
"strings"
)
// tablesSchema defines all CREATE TABLE statements for a fresh database.
const tablesSchema = `
CREATE TABLE IF NOT EXISTS users (
id INTEGER PRIMARY KEY AUTOINCREMENT,
username TEXT UNIQUE NOT NULL,
password_hash TEXT NOT NULL,
is_admin INTEGER NOT NULL DEFAULT 0,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE IF NOT EXISTS api_tokens (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
token_hash TEXT UNIQUE NOT NULL,
name TEXT NOT NULL,
last_used_at DATETIME,
expires_at DATETIME,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE IF NOT EXISTS sets (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
root_path TEXT UNIQUE NOT NULL,
cover_thumbnail_path TEXT,
is_podcast INTEGER NOT NULL DEFAULT 0,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE IF NOT EXISTS set_permissions (
set_id INTEGER NOT NULL REFERENCES sets(id) ON DELETE CASCADE,
user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
role TEXT CHECK(role IN ('owner','viewer')) NOT NULL DEFAULT 'viewer',
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (set_id, user_id)
);
CREATE TABLE IF NOT EXISTS media (
id INTEGER PRIMARY KEY AUTOINCREMENT,
set_id INTEGER NOT NULL REFERENCES sets(id) ON DELETE CASCADE,
rel_path TEXT NOT NULL,
file_name TEXT NOT NULL,
abs_path TEXT NOT NULL,
type TEXT CHECK(type IN ('video','audio','image')) NOT NULL,
duration REAL,
codec TEXT,
resolution TEXT,
bitrate INTEGER,
file_size_bytes INTEGER,
width INTEGER,
height INTEGER,
exif_camera TEXT,
exif_lens TEXT,
exif_date TEXT,
exif_iso TEXT,
exif_f_number TEXT,
exif_exposure TEXT,
exif_focal_length TEXT,
thumbnail_path TEXT,
play_count INTEGER NOT NULL DEFAULT 0,
deleted_at DATETIME,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
UNIQUE(set_id, rel_path)
);
CREATE TABLE IF NOT EXISTS tags (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT UNIQUE NOT NULL
);
CREATE TABLE IF NOT EXISTS media_tags (
media_id INTEGER NOT NULL REFERENCES media(id) ON DELETE CASCADE,
tag_id INTEGER NOT NULL REFERENCES tags(id) ON DELETE CASCADE,
PRIMARY KEY (media_id, tag_id)
);
CREATE TABLE IF NOT EXISTS favorites (
user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
media_id INTEGER NOT NULL REFERENCES media(id) ON DELETE CASCADE,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (user_id, media_id)
);
CREATE TABLE IF NOT EXISTS playback_progress (
user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
media_id INTEGER NOT NULL REFERENCES media(id) ON DELETE CASCADE,
position_seconds REAL NOT NULL,
finished BOOLEAN NOT NULL DEFAULT 0,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (user_id, media_id)
);
CREATE TABLE IF NOT EXISTS sessions (
id TEXT PRIMARY KEY,
user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
expires_at DATETIME NOT NULL,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE IF NOT EXISTS playback_accumulator (
session_id TEXT NOT NULL REFERENCES sessions(id) ON DELETE CASCADE,
media_id INTEGER NOT NULL REFERENCES media(id) ON DELETE CASCADE,
last_position REAL NOT NULL DEFAULT 0,
accumulated_seconds REAL NOT NULL DEFAULT 0,
counted INTEGER NOT NULL DEFAULT 0,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (session_id, media_id)
);
CREATE TABLE IF NOT EXISTS shares (
token TEXT PRIMARY KEY,
media_id INTEGER NOT NULL REFERENCES media(id) ON DELETE CASCADE,
created_by INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
expires_at DATETIME NOT NULL,
max_uses INTEGER,
used_count INTEGER NOT NULL DEFAULT 0
);
CREATE TABLE IF NOT EXISTS media_notes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
media_id INTEGER NOT NULL REFERENCES media(id) ON DELETE CASCADE,
user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
content TEXT NOT NULL DEFAULT '',
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
UNIQUE(media_id, user_id)
);
CREATE TABLE IF NOT EXISTS podcast_feeds (
id INTEGER PRIMARY KEY AUTOINCREMENT,
set_id INTEGER NOT NULL REFERENCES sets(id) ON DELETE CASCADE,
feed_url TEXT NOT NULL,
title TEXT,
description TEXT,
image_url TEXT,
last_checked_at DATETIME,
last_etag TEXT,
check_interval_minutes INTEGER NOT NULL DEFAULT 60,
auto_download INTEGER NOT NULL DEFAULT 0,
consecutive_failures INTEGER NOT NULL DEFAULT 0,
next_check_at DATETIME,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);
CREATE TABLE IF NOT EXISTS podcast_episodes (
id INTEGER PRIMARY KEY AUTOINCREMENT,
feed_id INTEGER NOT NULL REFERENCES podcast_feeds(id) ON DELETE CASCADE,
media_id INTEGER UNIQUE REFERENCES media(id) ON DELETE SET NULL,
guid TEXT NOT NULL,
title TEXT,
description TEXT,
published_at DATETIME,
episode_url TEXT NOT NULL,
duration_seconds REAL,
file_size INTEGER,
file_name TEXT,
is_downloaded INTEGER NOT NULL DEFAULT 0,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
UNIQUE(feed_id, guid)
);
CREATE TABLE IF NOT EXISTS podcast_status (
user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
episode_id INTEGER NOT NULL REFERENCES podcast_episodes(id) ON DELETE CASCADE,
is_completed INTEGER NOT NULL DEFAULT 0,
position_seconds REAL NOT NULL DEFAULT 0,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (user_id, episode_id)
);
`
// indexesSchema defines all CREATE INDEX statements.
const indexesSchema = `
CREATE INDEX IF NOT EXISTS idx_media_set_id ON media(set_id);
CREATE INDEX IF NOT EXISTS idx_media_rel_path ON media(set_id, rel_path);
CREATE INDEX IF NOT EXISTS idx_media_deleted_at ON media(deleted_at);
CREATE INDEX IF NOT EXISTS idx_media_type ON media(type);
CREATE INDEX IF NOT EXISTS idx_media_filename ON media(file_name);
CREATE INDEX IF NOT EXISTS idx_api_tokens_token_hash ON api_tokens(token_hash);
CREATE INDEX IF NOT EXISTS idx_api_tokens_user_id ON api_tokens(user_id);
CREATE INDEX IF NOT EXISTS idx_permissions_user ON set_permissions(user_id);
CREATE INDEX IF NOT EXISTS idx_permissions_set ON set_permissions(set_id);
CREATE INDEX IF NOT EXISTS idx_shares_expires ON shares(expires_at);
CREATE INDEX IF NOT EXISTS idx_podcast_episodes_feed ON podcast_episodes(feed_id);
CREATE INDEX IF NOT EXISTS idx_podcast_episodes_media ON podcast_episodes(media_id);
CREATE INDEX IF NOT EXISTS idx_podcast_status_episode ON podcast_status(episode_id);
CREATE INDEX IF NOT EXISTS idx_sets_is_podcast ON sets(is_podcast);
`
// execSchema executes a raw SQL schema block against the given database.
func execSchema(db *sql.DB, name, schema string) error {
if _, err := db.Exec(schema); err != nil {
return fmt.Errorf("execute %s schema: %w", name, err)
}
return nil
}
// enableForeignKeys turns on SQLite foreign key enforcement.
func enableForeignKeys(db *sql.DB) error {
if _, err := db.Exec(`PRAGMA foreign_keys = ON;`); err != nil {
return fmt.Errorf("enable foreign keys: %w", err)
}
return nil
}
// initializeSchema creates the database schema for a fresh database and applies pending migrations.
func initializeSchema(db *sql.DB) error {
if err := enableForeignKeys(db); err != nil {
return err
}
if err := execSchema(db, "tables", tablesSchema); err != nil {
return err
}
if err := runMigrations(db); err != nil {
return fmt.Errorf("apply migrations: %w", err)
}
if err := execSchema(db, "indexes", indexesSchema); err != nil {
return err
}
return nil
}
// migration is a idempotent schema change applied after the base schema.
type migration struct {
name string
sql string
}
var migrations = []migration{
{
name: "create_api_tokens",
sql: `
CREATE TABLE IF NOT EXISTS api_tokens (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
token_hash TEXT UNIQUE NOT NULL,
name TEXT NOT NULL,
last_used_at DATETIME,
expires_at DATETIME,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);
`,
},
{
name: "add_sets_is_podcast",
sql: `ALTER TABLE sets ADD COLUMN is_podcast INTEGER NOT NULL DEFAULT 0;`,
},
{
name: "add_podcast_feed_backoff_columns",
sql: `
ALTER TABLE podcast_feeds ADD COLUMN consecutive_failures INTEGER NOT NULL DEFAULT 0;
ALTER TABLE podcast_feeds ADD COLUMN next_check_at DATETIME;
`,
},
{
// Adds the "finished" flag used by GetProgress / SetProgress on the
// playback_progress table. Databases created before this column was
// introduced still satisfy the CREATE TABLE IF NOT EXISTS in the base
// schema, so the column must be added via migration to avoid a 500 on
// GET /api/v1/media/{id} reading from progress.
name: "add_playback_progress_finished",
sql: `ALTER TABLE playback_progress ADD COLUMN finished BOOLEAN NOT NULL DEFAULT 0;`,
},
}
// runMigrations applies each migration in order, skipping ones whose SQL
// has already been partially applied (e.g. column already exists).
func runMigrations(db *sql.DB) error {
for _, m := range migrations {
if _, err := db.Exec(m.sql); err != nil {
if isDuplicateColumnError(err) {
continue
}
return fmt.Errorf("migration %q: %w", m.name, err)
}
}
return nil
}
// isDuplicateColumnError returns true for SQLite errors raised when adding an
// existing column.
func isDuplicateColumnError(err error) bool {
if err == nil {
return false
}
msg := strings.ToLower(err.Error())
return strings.Contains(msg, "duplicate column name") || strings.Contains(msg, "already exists")
}
|
