66 lines
2.0 KiB
Go
66 lines
2.0 KiB
Go
package db
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import (
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"fmt"
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"git.lumeweb.com/LumeWeb/portal/model"
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"github.com/spf13/viper"
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"gorm.io/driver/mysql"
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"gorm.io/driver/sqlite"
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"gorm.io/gorm"
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)
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// Declare a global variable to hold the database connection.
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var db *gorm.DB
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// Init initializes the database connection based on the app's configuration settings.
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func Init() {
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// If the database connection has already been initialized, panic.
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if db != nil {
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panic("DB already initialized")
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}
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// Retrieve database connection settings from the app's configuration using the viper library.
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dbType := viper.GetString("database.type")
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dbHost := viper.GetString("database.host")
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dbPort := viper.GetInt("database.port")
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dbSocket := viper.GetString("database.socket")
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dbUser := viper.GetString("database.user")
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dbPassword := viper.GetString("database.password")
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dbName := viper.GetString("database.name")
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dbPath := viper.GetString("database.path")
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var err error
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var dsn string
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switch dbType {
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// Connect to a MySQL database.
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case "mysql":
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if dbSocket != "" {
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dsn = fmt.Sprintf("%s:%s@unix(%s)/%s", dbUser, dbPassword, dbSocket, dbName)
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} else {
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dsn = fmt.Sprintf("%s:%s@tcp(%s:%d)/%s", dbUser, dbPassword, dbHost, dbPort, dbName)
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}
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db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
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// Connect to a SQLite database.
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case "sqlite":
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db, err = gorm.Open(sqlite.Open(dbPath), &gorm.Config{})
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// If the database type is unsupported, panic.
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default:
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panic(fmt.Errorf("Unsupported database type: %s \n", dbType))
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}
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// If there was an error connecting to the database, panic.
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if err != nil {
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panic(fmt.Errorf("Failed to connect to database: %s \n", err))
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}
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// Automatically migrate the database schema based on the model definitions.
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err = db.Migrator().AutoMigrate(&model.Account{}, &model.Key{}, &model.KeyChallenge{}, &model.LoginSession{})
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if err != nil {
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panic(fmt.Errorf("Database setup failed database type: %s \n", err))
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}
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}
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// Get returns the database connection instance.
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func Get() *gorm.DB {
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return db
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}
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