fix: ignore rank column in migrations

migrations/20221016_drop_rank_column.go

@@ -0,0 +1,35 @@
+package migrations
+
+import (
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+func init() {
+	const name = "20221016-drop_rank_column"
+	f := migrationFunc{
+		name: name,
+		f: func(db *gorm.DB, cfg *config.Config) error {
+			if hasRun(name, db) {
+				return nil
+			}
+
+			migrator := db.Migrator()
+
+			if migrator.HasTable(&models.LeaderboardItem{}) && migrator.HasColumn(&models.LeaderboardItem{}, "rank") {
+				logbuch.Info("running migration '%s'", name)
+
+				if err := migrator.DropColumn(&models.LeaderboardItem{}, "rank"); err != nil {
+					logbuch.Warn("failed to drop 'rank' column (%v)", err)
+				}
+			}
+
+			setHasRun(name, db)
+			return nil
+		},
+	}
+
+	registerPostMigration(f)
+}