refactor: reorganize project structure following go standards

2026-04-20 15:54:35 +02:00
parent 055ec1fca9
commit 6df8788749
70 changed files with 43 additions and 187 deletions
--- a/internal/db/migrate.go
+++ b/internal/db/migrate.go
@@ -0,0 +1,117 @@
+package database
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"sort"
+	"strings"
+)
+
+func RunMigrations(db *sql.DB, migrationsDir string) error {
+	if migrationsDir == "" {
+		return fmt.Errorf("migrations directory is required")
+	}
+
+	// Create migration tracking table
+	_, err := db.Exec(`
+		CREATE TABLE IF NOT EXISTS migration_version (
+			name TEXT PRIMARY KEY,
+			applied_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+		)
+	`)
+	if err != nil {
+		return err
+	}
+
+	migrations, err := filepath.Glob(filepath.Join(migrationsDir, "*.sql"))
+	if err != nil {
+		return err
+	}
+	if len(migrations) == 0 {
+		return fmt.Errorf("no migration files found in %s", migrationsDir)
+	}
+
+	sort.Strings(migrations)
+
+	appliedNames, err := loadAppliedMigrationNames(db)
+	if err != nil {
+		return err
+	}
+
+	for _, migrationFile := range migrations {
+		migrationName := filepath.Base(migrationFile)
+		if migrationApplied(appliedNames, migrationName) {
+			// already applied, skipping silently
+			continue
+		}
+
+		// Read and execute migration
+		migrationSQL, err := os.ReadFile(migrationFile)
+		if err != nil {
+			return err
+		}
+
+		// Strict execution: if it fails, it halts.
+		if _, err := db.Exec(string(migrationSQL)); err != nil {
+			return err
+		}
+
+		// Mark as applied
+		_, err = db.Exec("INSERT INTO migration_version (name) VALUES (?)", migrationName)
+		if err != nil {
+			return err
+		}
+
+		appliedNames[migrationName] = struct{}{}
+
+		log.Printf("migration %s applied successfully", migrationName)
+	}
+
+	return nil
+}
+
+func loadAppliedMigrationNames(db *sql.DB) (map[string]struct{}, error) {
+	rows, err := db.Query("SELECT name FROM migration_version")
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	applied := make(map[string]struct{})
+	for rows.Next() {
+		var name string
+		if err := rows.Scan(&name); err != nil {
+			return nil, err
+		}
+
+		applied[name] = struct{}{}
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+
+	return applied, nil
+}
+
+func migrationApplied(appliedNames map[string]struct{}, migrationName string) bool {
+	if _, exists := appliedNames[migrationName]; exists {
+		return true
+	}
+
+	legacyName := filepath.ToSlash(filepath.Join("migrations", migrationName))
+	if _, exists := appliedNames[legacyName]; exists {
+		return true
+	}
+
+	for appliedName := range appliedNames {
+		if strings.EqualFold(filepath.Base(appliedName), migrationName) {
+			return true
+		}
+	}
+
+	return false
+}