Initialize AutoLibrary website with Gitea deployment

backend/database/themes_database/database.go

@@ -0,0 +1,54 @@
+package themes_database
+
+import (
+	"log"
+
+	"autolibrary.top/webserver/backend/models/themes_model"
+
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+)
+
+var DB *gorm.DB
+
+func InitDB(dsn string) error {
+	var err error
+
+	DB, err = gorm.Open(sqlite.Open(dsn), &gorm.Config{})
+	if err != nil {
+		log.Printf("[E] unable to connect to themes database: %v", err)
+		return err
+	}
+
+	err = DB.AutoMigrate(
+		&themes_model.Theme{},
+	)
+	if err != nil {
+		log.Printf("[E] themes database migration failed: %v", err)
+		return err
+	}
+
+	log.Printf("[I] themes database initialization completed")
+	return nil
+}
+
+func CloseDB() error {
+	if DB == nil {
+		return nil
+	}
+
+	db, err := DB.DB()
+	if err != nil {
+		log.Printf("[E] unable to get themes database connection: %v", err)
+		return err
+	}
+
+	err = db.Close()
+	if err != nil {
+		log.Printf("[E] unable to close themes database connection: %v", err)
+		return err
+	}
+
+	log.Printf("[I] themes database connection closed")
+	return nil
+}