fix: assume coding as default category if not specified otherwise (see #817)

migrations/20250802_fix_default_coding_category.go

@@ -0,0 +1,30 @@
+package migrations
+
+import (
+	"github.com/muety/wakapi/config"
+	"gorm.io/gorm"
+)
+
+// see https://github.com/muety/wakapi/issues/817#issuecomment-3146365708
+
+func init() {
+	const name = "20250802_fix_default_coding_category"
+	f := migrationFunc{
+		name:       name,
+		background: true,
+		f: func(db *gorm.DB, cfg *config.Config) error {
+			if hasRun(name, db) {
+				return nil
+			}
+
+			if err := db.Exec("update heartbeats set category = 'coding' where category = '' and type = 'file' and language != ''").Error; err != nil {
+				return err
+			}
+
+			setHasRun(name, db)
+			return nil
+		},
+	}
+
+	registerPostMigration(f)
+}