Implement delete organization horizontal logo

Wire the Connect mutation through IAM so owners and admins
can clear an organization horizontal logo. Soft-delete the
underlying public file so existing download URLs stop serving
the image, and expose the operation in the n8n organization
node.

Signed-off-by: Sacha Al Himdani <sacha@probo.com>

packages/n8n-node/nodes/Probo/actions/organization/deleteHorizontalLogo.operation.ts

@@ -0,0 +1,72 @@
+// Copyright (c) 2026 Probo Inc <hello@probo.com>.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+import type { INodeProperties, IExecuteFunctions, INodeExecutionData } from 'n8n-workflow';
+import { proboConnectApiRequest } from '../../GenericFunctions';
+
+export const description: INodeProperties[] = [
+	{
+		displayName: 'Organization ID',
+		name: 'organizationId',
+		type: 'string',
+		displayOptions: {
+			show: {
+				resource: ['organization'],
+				operation: ['deleteHorizontalLogo'],
+			},
+		},
+		default: '',
+		description: 'The ID of the organization whose horizontal logo to delete',
+		required: true,
+	},
+];
+
+export async function execute(
+	this: IExecuteFunctions,
+	itemIndex: number,
+): Promise<INodeExecutionData> {
+	const organizationId = this.getNodeParameter('organizationId', itemIndex) as string;
+
+	const query = `
+		mutation DeleteOrganizationHorizontalLogo($input: DeleteOrganizationHorizontalLogoInput!) {
+			deleteOrganizationHorizontalLogo(input: $input) {
+				organization {
+					id
+					name
+					horizontalLogo {
+						id
+						fileName
+						downloadUrl
+					}
+					updatedAt
+				}
+			}
+		}
+	`;
+
+	const responseData = await proboConnectApiRequest.call(this, query, {
+		input: { organizationId },
+	});
+
+	return {
+		json: responseData,
+		pairedItem: { item: itemIndex },
+	};
+}

packages/n8n-node/nodes/Probo/actions/organization/index.ts

@@ -22,6 +22,7 @@ import type { INodeProperties } from 'n8n-workflow';
 import * as createOp from './create.operation';
 import * as updateOp from './update.operation';
 import * as deleteOp from './delete.operation';
+import * as deleteHorizontalLogoOp from './deleteHorizontalLogo.operation';
 import * as getOp from './get.operation';
 import * as getAllOp from './getAll.operation';
 
@@ -49,6 +50,12 @@ export const description: INodeProperties[] = [
 				description: 'Delete an organization',
 				action: 'Delete an organization',
 			},
+			{
+				name: 'Delete Horizontal Logo',
+				value: 'deleteHorizontalLogo',
+				description: 'Delete an organization horizontal logo',
+				action: 'Delete an organization horizontal logo',
+			},
 			{
 				name: 'Get',
 				value: 'get',
@@ -73,8 +80,16 @@ export const description: INodeProperties[] = [
 	...createOp.description,
 	...updateOp.description,
 	...deleteOp.description,
+	...deleteHorizontalLogoOp.description,
 	...getOp.description,
 	...getAllOp.description,
 ];
 
-export { createOp as create, updateOp as update, deleteOp as delete, getOp as get, getAllOp as getAll };
+export {
+	createOp as create,
+	updateOp as update,
+	deleteOp as delete,
+	deleteHorizontalLogoOp as deleteHorizontalLogo,
+	getOp as get,
+	getAllOp as getAll,
+};

pkg/iam/organization_service.go

@@ -1438,6 +1438,45 @@ func (s OrganizationService) HorizontalLogoFile(
 	return file, nil
 }
 
+func (s OrganizationService) DeleteHorizontalLogo(
+	ctx context.Context,
+	organizationID gid.GID,
+) (*coredata.Organization, error) {
+	scope := coredata.NewScopeFromObjectID(organizationID)
+	organization := &coredata.Organization{}
+
+	err := s.pg.WithTx(
+		ctx,
+		func(ctx context.Context, tx pg.Tx) error {
+			if err := organization.LoadByID(ctx, tx, scope, organizationID); err != nil {
+				return fmt.Errorf("cannot load organization: %w", err)
+			}
+
+			if organization.HorizontalLogoFileID != nil {
+				file := coredata.File{ID: *organization.HorizontalLogoFileID}
+
+				if err := file.SoftDelete(ctx, tx, scope); err != nil {
+					return fmt.Errorf("cannot soft-delete horizontal logo file: %w", err)
+				}
+			}
+
+			organization.HorizontalLogoFileID = nil
+			organization.UpdatedAt = time.Now()
+
+			if err := organization.Update(ctx, scope, tx); err != nil {
+				return fmt.Errorf("cannot update organization: %w", err)
+			}
+
+			return nil
+		},
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return organization, nil
+}
+
 func (s OrganizationService) DeleteSAMLConfiguration(
 	ctx context.Context,
 	organizationID gid.GID,

pkg/server/api/connect/v1/organization_resolvers.go

@@ -8,7 +8,6 @@ package connect_v1
 import (
 	"context"
 	"errors"
-	"fmt"
 
 	"go.gearno.de/kit/log"
 	"go.probo.inc/probo/pkg/coredata"
@@ -145,7 +144,19 @@ func (r *mutationResolver) DeleteOrganization(ctx context.Context, input types.D
 
 // DeleteOrganizationHorizontalLogo is the resolver for the deleteOrganizationHorizontalLogo field.
 func (r *mutationResolver) DeleteOrganizationHorizontalLogo(ctx context.Context, input types.DeleteOrganizationHorizontalLogoInput) (*types.DeleteOrganizationHorizontalLogoPayload, error) {
-	panic(fmt.Errorf("not implemented: DeleteOrganizationHorizontalLogo - deleteOrganizationHorizontalLogo"))
+	if _, err := r.authorize(ctx, input.OrganizationID, iam.ActionOrganizationUpdate); err != nil {
+		return nil, err
+	}
+
+	organization, err := r.iam.OrganizationService.DeleteHorizontalLogo(ctx, input.OrganizationID)
+	if err != nil {
+		r.logger.ErrorCtx(ctx, "cannot delete organization horizontal logo", log.Error(err))
+		return nil, gqlutils.Internal(ctx)
+	}
+
+	return &types.DeleteOrganizationHorizontalLogoPayload{
+		Organization: types.NewOrganization(organization),
+	}, nil
 }
 
 // Logo is the resolver for the logo field.