move sql to app for future docker image

backend/api/router.go

@@ -27,10 +27,12 @@ func NewRouter(db *sqlitex.Pool, ytr *youtube.YouTubeRequester) *Router {
 		ytr:    ytr,
 	}
 
+	// api
 	router.PathPrefix("/api/videos/random").Methods("GET").HandlerFunc(router.GetRandom).HeadersRegexp("visitor", "[0-9]{10,20}")
 	router.PathPrefix("/api/videos/{video_id}/{reaction:(?:cool|trash)}").Methods("POST").HandlerFunc(router.WriteReaction).HeadersRegexp("visitor", "[0-9]{10,20}")
 	router.PathPrefix("/api/videos/{video_id}").Methods("GET").HandlerFunc(router.GetVideo)
 
+	// front
 	router.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir("frontend/static"))))
 	router.PathPrefix("/").Methods("GET").HandlerFunc(
 		func(w http.ResponseWriter, r *http.Request) {

backend/api/tables.go

@@ -0,0 +1,37 @@
+package api
+
+const CreateTablesIfNotExists = `
+	CREATE TABLE IF NOT EXISTS videos
+	(
+		id STRING PRIMARY KEY,
+		uploaded INTEGER,
+		title STRING,
+		views INTEGER,
+		vertical INTEGER,
+		category INTEGER
+	);
+
+	CREATE TABLE IF NOT EXISTS visitors (
+		id STRING PRIMARY KEY,
+		last_seen INTEGER
+	);
+
+	CREATE TABLE IF NOT EXISTS videos_visitors
+	(	
+		visitor_id STRING,
+		video_id STRING,
+		PRIMARY KEY (visitor_id, video_id),
+		FOREIGN KEY (video_id) REFERENCES videos (id) ON DELETE CASCADE,
+		FOREIGN KEY (visitor_id) REFERENCES visitors (id) ON DELETE CASCADE
+	);
+
+	CREATE TABLE IF NOT EXISTS reactions
+	(
+		cool INTEGER,
+		visitor_id STRING,
+		video_id STRING,
+		PRIMARY KEY (visitor_id, video_id),
+		FOREIGN KEY (video_id) REFERENCES videos (id) ON DELETE CASCADE,
+		FOREIGN KEY (visitor_id) REFERENCES visitors (id) ON DELETE CASCADE
+	);
+`

main.go

@@ -25,12 +25,9 @@ func main() {
 	if err != nil {
 		log.Fatal("cannot open db", err)
 	}
-	dbScheme, err := os.ReadFile("db.sql")
-	if err != nil {
-		log.Fatal("cannot open db.sql: ", err.Error())
-	}
+
 	conn := db.Get(context.Background())
-	if err := sqlitex.ExecuteScript(conn, string(dbScheme), nil); err != nil {
+	if err := sqlitex.ExecuteScript(conn, api.CreateTablesIfNotExists, nil); err != nil {
 		log.Fatal("cannot create db: ", err)
 	}
 	db.Put(conn)