Files
wagfarm/wagfarm-api/database/db.go
2025-04-15 22:36:22 +02:00

57 lines
1.1 KiB
Go

package database
import (
"fmt"
"os"
"slices"
"wagfarm-api/models"
"gorm.io/driver/mysql"
"gorm.io/gorm"
"gorm.io/gorm/clause"
)
var DB *gorm.DB
func Connect() error {
var err error
var db *gorm.DB
dbUser := os.Getenv("DB_USER")
dbPassword := os.Getenv("DB_PASSWORD")
dbHost := os.Getenv("DB_HOST")
dbPort := os.Getenv("DB_PORT")
dbName := os.Getenv("DB_NAME")
dsn := fmt.Sprintf(
"%s:%s@tcp(%s:%s)/%s?parseTime=true",
dbUser, dbPassword, dbHost, dbPort, dbName,
)
db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
if err != nil {
return fmt.Errorf("failed to connect to database: %w", err)
}
DB = db
return nil
}
func Migrate() error {
var err error
err = DB.AutoMigrate(slices.Concat(
log.Models, asset.Models, taxonomy.Models))
if err != nil {
return fmt.Errorf("auto migration failed: %w", err)
}
err = DB.SetupJoinTable(&models.Fertilizer{}, "Ingredients", &models.FertilizerIngredient{})
if err != nil {
return fmt.Errorf("failed to setup join table for FertilizerAsset and Ingredients: %w", err)
}
return nil
}
func Preload() *gorm.DB {
return DB.Preload(clause.Associations)
}