snapshot of https://github.com/traggo/server.git (master, 2026-09-16; blobs > 131072B omitted)

tag/update.go

@@ -0,0 +1,86 @@
+package tag
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/jinzhu/copier"
+	"github.com/traggo/server/auth"
+	"github.com/traggo/server/generated/gqlmodel"
+	"github.com/traggo/server/model"
+)
+
+// UpdateTag updates a tag.
+func (r *ResolverForTag) UpdateTag(ctx context.Context, key string, newKey *string, color string) (*gqlmodel.TagDefinition, error) {
+	tag := model.TagDefinition{}
+	userID := auth.GetUser(ctx).ID
+	if r.DB.Where(&model.TagDefinition{UserID: userID, Key: key}).Find(&tag).RecordNotFound() {
+		return nil, fmt.Errorf("tag with key '%s' does not exist", key)
+	}
+
+	tx := r.DB.Begin()
+
+	newValue := model.TagDefinition{
+		Key:    strings.ToLower(key),
+		Color:  color,
+		UserID: userID,
+	}
+
+	if newKey != nil && *newKey != key {
+		if strings.Contains(*newKey, " ") {
+			tx.Rollback()
+			return nil, fmt.Errorf("tag must not contain spaces")
+		}
+		*newKey = strings.ToLower(*newKey)
+		newValue.Key = *newKey
+		timeSpansIdsOfUser := tx.Model(new(model.TimeSpan)).
+			Select("id").
+			Where(&model.TimeSpan{UserID: userID}).
+			SubQuery()
+
+		if err := tx.
+			Model(new(model.TimeSpanTag)).
+			Where("time_span_id in ?", timeSpansIdsOfUser).
+			Where(&model.TimeSpanTag{Key: key}).
+			Updates(&model.TimeSpanTag{Key: *newKey}).Error; err != nil {
+			tx.Rollback()
+			return nil, err
+		}
+		usedInEntries := []model.DashboardEntry{}
+
+		if err := tx.
+			Joins("INNER JOIN dashboards ON dashboard_entries.dashboard_id = dashboards.id").
+			Where("dashboards.user_id = ?", userID).
+			Where("keys LIKE ? OR keys LIKE ? OR keys LIKE ?", "%"+key, "%"+key+"%", key+"%").
+			Find(&usedInEntries).Error; err != nil {
+			tx.Rollback()
+			return nil, err
+		}
+
+		for _, entry := range usedInEntries {
+			tags := strings.Split(entry.Keys, ",")
+			for index, tagInEntry := range tags {
+				if tagInEntry == key {
+					tags[index] = *newKey
+				}
+			}
+			entry.Keys = strings.Join(tags, ",")
+			if err := tx.Save(&entry).Error; err != nil {
+				tx.Rollback()
+				return nil, err
+			}
+		}
+	}
+
+	if err := tx.Model(new(model.TagDefinition)).Where(&model.TagDefinition{UserID: userID, Key: key}).Updates(&newValue).Error; err != nil {
+		tx.Rollback()
+		return nil, err
+	}
+
+	update := tx.Commit()
+
+	gqlTag := &gqlmodel.TagDefinition{}
+	copier.Copy(gqlTag, &newValue)
+	return gqlTag, update.Error
+}