Tweaked project structure (#88)

internal/db/db.go

@@ -0,0 +1,66 @@
+package db
+
+import (
+	"errors"
+	"github.com/mattn/go-sqlite3"
+	"github.com/rs/zerolog/log"
+	"github.com/thomiceli/opengist/internal/config"
+	"github.com/thomiceli/opengist/internal/utils"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+	"strings"
+)
+
+var db *gorm.DB
+
+func Setup(dbPath string) error {
+	var err error
+	journalMode := strings.ToUpper(config.C.SqliteJournalMode)
+
+	if !utils.SliceContains([]string{"DELETE", "TRUNCATE", "PERSIST", "MEMORY", "WAL", "OFF"}, journalMode) {
+		log.Warn().Msg("Invalid SQLite journal mode: " + journalMode)
+	}
+
+	if db, err = gorm.Open(sqlite.Open(dbPath+"?_fk=true&_journal_mode="+journalMode), &gorm.Config{
+		Logger: logger.Default.LogMode(logger.Silent),
+	}); err != nil {
+		return err
+	}
+
+	if err = db.SetupJoinTable(&Gist{}, "Likes", &Like{}); err != nil {
+		return err
+	}
+
+	if err = db.SetupJoinTable(&User{}, "Liked", &Like{}); err != nil {
+		return err
+	}
+
+	if err = db.AutoMigrate(&User{}, &Gist{}, &SSHKey{}, &AdminSetting{}); err != nil {
+		return err
+	}
+
+	ApplyMigrations(db)
+
+	// Default admin setting values
+	return initAdminSettings(map[string]string{
+		SettingDisableSignup:    "0",
+		SettingRequireLogin:     "0",
+		SettingDisableLoginForm: "0",
+		SettingDisableGravatar:  "0",
+	})
+}
+
+func CountAll(table interface{}) (int64, error) {
+	var count int64
+	err := db.Model(table).Count(&count).Error
+	return count, err
+}
+
+func IsUniqueConstraintViolation(err error) bool {
+	var sqliteErr sqlite3.Error
+	if errors.As(err, &sqliteErr) && sqliteErr.ExtendedCode == sqlite3.ErrConstraintUnique {
+		return true
+	}
+	return false
+}