removed 'internal' directory

store/migrations.go

@@ -0,0 +1,49 @@
+package store
+
+import (
+	"embed"
+	_ "embed"
+	"log"
+	"strconv"
+	"strings"
+)
+
+//go:embed migrations/*.sql
+var migrations embed.FS
+
+func (s *Store) loadFile(file string) {
+	filename := strings.Split(file, ".")
+	version, err := strconv.Atoi(filename[0])
+	if err != nil {
+		log.Fatal("only allowed files in migrations directory are <version>.txt")
+	}
+	if version <= s.version() {
+		return
+	}
+
+	query, _ := migrations.ReadFile("migrations/" + file)
+	_, err = s.db.Exec(string(query))
+	if err != nil {
+		log.Fatal("error executing migration: ", file, err)
+	}
+}
+
+func (s *Store) loadMigrations() {
+	migrationFiles, _ := migrations.ReadDir("migrations")
+
+	for _, e := range migrationFiles {
+		s.loadFile(e.Name())
+	}
+}
+
+func (s *Store) version() int {
+	out := -1
+	row, err := s.db.Query("PRAGMA user_version;")
+	if err != nil {
+		return out
+	}
+	defer row.Close()
+	row.Next()
+	_ = row.Scan(&out)
+	return out
+}