feat(app&service): enable provider to decline subscription request

docs/api/apps-service.yaml

@@ -1838,6 +1838,52 @@ paths:
                 $ref: '#/components/schemas/ErrorResponse'
         '401':
           description: The User is unauthorized
+  '/api/apps/subscription/{subscriptionId}/decline':
+    put:
+      tags:
+        - Apps
+      summary: 'Declines a pending app subscription. (Authorization required - Roles: decline_subscription)'
+      description: 'Example: PUT: /api/apps/subscription/{subscriptiondId}/decline'
+      parameters:
+        - name: subscriptionId
+          in: path
+          description: ID of the subscription to decline.
+          required: true
+          schema:
+            type: string
+            format: uuid
+          example: D3B1ECA2-6148-4008-9E6C-C1C2AEA5C645
+      responses:
+        '204':
+          description: App subscription was successfully declined.
+        '404':
+          description: 'If sub claim is empty/invalid or user does not exist, or any other parameters are invalid.'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+        '403':
+          description: Forbidden
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+        '409':
+          description: Conflict
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+        '500':
+          description: Internal Server Error.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+        '400':
+          description: 'If sub claim is empty/invalid or user does not exist, or any other parameters are invalid.'
+        '401':
+          description: The User is unauthorized
   '/api/apps/{subscriptionId}/unsubscribe':
     put:
       tags:

docs/api/notifications-service.yaml

@@ -508,6 +508,8 @@ components:
         - CREDENTIAL_APPROVAL
         - CREDENTIAL_REJECTED
         - CREDENTIAL_EXPIRY
+        - APP_SUBSCRIPTION_DECLINE
+        - SERVICE_SUBSCRIPTION_DECLINE
       type: string
     SearchSemanticTypeId:
       enum:

docs/api/services-service.yaml

@@ -1514,6 +1514,52 @@ paths:
                 $ref: '#/components/schemas/ErrorResponse'
         '401':
           description: The User is unauthorized
+  '/subscription/{subscriptionId}/decline':
+    put:
+      tags:
+        - Services
+      summary: 'Declines a pending service subscription. (Authorization required - Roles: decline_subscription)'
+      description: 'Example: PUT: /api/services/supscription/{subscriptiondId}/decline'
+      parameters:
+        - name: subscriptionId
+          in: path
+          description: ID of the subscription to decline.
+          required: true
+          schema:
+            type: string
+            format: uuid
+          example: D3B1ECA2-6148-4008-9E6C-C1C2AEA5C645
+      responses:
+        '204':
+          description: Service subscription was successfully declined.
+        '404':
+          description: Not Found
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+        '403':
+          description: Forbidden
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+        '409':
+          description: Conflict
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+        '500':
+          description: Internal Server Error.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ErrorResponse'
+        '400':
+          description: 'If sub claim is empty/invalid or user does not exist, or any other parameters are invalid.'
+        '401':
+          description: The User is unauthorized
 components:
   schemas:
     AgreementConsentStatus:

src/mailing/Mailing.Template/Enums/EmailTemplateType.cs

@@ -83,6 +83,12 @@ public enum EmailTemplateType
         [Path("appprovider_subscription_request.html")]
         AppSubscriptionRequest,
 
+        /// <summary>
+        /// Email template for notifying requester (subscriber) of subscription declination.
+        /// </summary>
+        [Path("app_subscription_decline.html")]
+        AppSubscriptionDecline,
+
         /// <summary>
         /// Email template for notifying app providers of subscription activition.
         /// </summary>
@@ -95,6 +101,12 @@ public enum EmailTemplateType
         [Path("serviceprovider_subscription_request.html")]
         ServiceSubscriptionRequest,
 
+        /// <summary>
+        /// Email template for notifying requester (subscriber) of subscription declination.
+        /// </summary>
+        [Path("service_subscription_decline.html")]
+        ServiceSubscriptionDecline,
+
         /// <summary>
         /// Email template for notifying requester of subscription activations.
         /// </summary>

src/marketplace/Apps.Service/BusinessLogic/AppsBusinessLogic.cs

@@ -185,6 +185,10 @@ public async Task AddFavouriteAppForUserAsync(Guid appId)
     public Task<Guid> AddOwnCompanyAppSubscriptionAsync(Guid appId, IEnumerable<OfferAgreementConsentData> offerAgreementConsentData) =>
         _offerSubscriptionService.AddOfferSubscriptionAsync(appId, offerAgreementConsentData, OfferTypeId.APP, _settings.BasePortalAddress, _settings.SubscriptionManagerRoles, _settings.ServiceManagerRoles);
 
+    /// <inheritdoc/>
+    public Task DeclineAppSubscriptionAsync(Guid subscriptionId) =>
+        _offerSubscriptionService.RemoveOfferSubscriptionAsync(subscriptionId, OfferTypeId.APP, _settings.BasePortalAddress);
+
     /// <inheritdoc/>
     public Task TriggerActivateOfferSubscription(Guid subscriptionId) =>
         _offerSetupService.TriggerActivateSubscription(subscriptionId);

src/marketplace/Apps.Service/BusinessLogic/IAppsBusinessLogic.cs

@@ -99,6 +99,12 @@ public interface IAppsBusinessLogic
     /// <param name="offerAgreementConsentData">The agreement consent data</param>
     public Task<Guid> AddOwnCompanyAppSubscriptionAsync(Guid appId, IEnumerable<OfferAgreementConsentData> offerAgreementConsentData);
 
+    /// <summary>
+    /// Declines a pending app subscription of an app, provided by the current user's company.
+    /// </summary>
+    /// <param name="subscriptionId">ID of the pending app to be declined.</param>
+    public Task DeclineAppSubscriptionAsync(Guid subscriptionId);
+
     /// <summary>
     /// Activates a pending app subscription for an app provided by the current user's company.
     /// </summary>

src/marketplace/Apps.Service/Controllers/AppsController.cs

@@ -248,6 +248,31 @@ public async Task<IActionResult> ActivateOfferSubscription([FromRoute] Guid subs
         return NoContent();
     }
 
+    /// <summary>
+    /// Declines a pending app subscription.
+    /// </summary>
+    /// <param name="subscriptionId" example="D3B1ECA2-6148-4008-9E6C-C1C2AEA5C645">ID of the subscription to decline.</param>
+    /// <remarks>Example: PUT: /api/apps/subscription/{subscriptiondId}/decline</remarks>
+    /// <response code="204">App subscription was successfully declined.</response>
+    /// <response code="400">If sub claim is empty/invalid or user does not exist, or any other parameters are invalid.</response>
+    /// <response code="404">If sub claim is empty/invalid or user does not exist, or any other parameters are invalid.</response>
+    /// <response code="500">Internal Server Error.</response>
+    [HttpPut]
+    [Route("subscription/{subscriptionId}/decline")]
+    [Authorize(Roles = "decline_subscription")]
+    [Authorize(Policy = PolicyTypes.ValidIdentity)]
+    [Authorize(Policy = PolicyTypes.ValidCompany)]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    [ProducesResponseType(typeof(ErrorResponse), StatusCodes.Status404NotFound)]
+    [ProducesResponseType(typeof(ErrorResponse), StatusCodes.Status403Forbidden)]
+    [ProducesResponseType(typeof(ErrorResponse), StatusCodes.Status409Conflict)]
+    [ProducesResponseType(typeof(ErrorResponse), StatusCodes.Status500InternalServerError)]
+    public async Task<IActionResult> DeclineAppSubscriptionAsync([FromRoute] Guid subscriptionId)
+    {
+        await _appsBusinessLogic.DeclineAppSubscriptionAsync(subscriptionId).ConfigureAwait(ConfigureAwaitOptions.None);
+        return NoContent();
+    }
+
     /// <summary>
     /// Unsubscribes an app from the current user's company's subscriptions.
     /// </summary>

src/marketplace/Offers.Library/ErrorHandling/OfferSubscriptionServiceErrorMessageContainer.cs

@@ -0,0 +1,44 @@
+/********************************************************************************
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ********************************************************************************/
+
+using Org.Eclipse.TractusX.Portal.Backend.Framework.ErrorHandling.Service;
+using System.Collections.Immutable;
+
+namespace Org.Eclipse.TractusX.Portal.Backend.Offers.Library.ErrorHandling;
+
+public class OfferSubscriptionServiceErrorMessageContainer : IErrorMessageContainer
+{
+    private static readonly IReadOnlyDictionary<int, string> _messageContainer = new Dictionary<OfferSubscriptionServiceErrors, string> {
+                { OfferSubscriptionServiceErrors.OFFER_NOTFOUND, "Offer {offerId} does not exist." },
+                { OfferSubscriptionServiceErrors.SUBSCRIPTION_NOTFOUND, "Subscription {subscriptionId} does not exist." },
+                { OfferSubscriptionServiceErrors.NON_PROVIDER_IS_FORBIDDEN, "Only the providing company can decline the subscription request." },
+                { OfferSubscriptionServiceErrors.OFFER_STATUS_CONFLICT_INCORR_OFFER_STATUS, "Subscription of offer {offerName} should be in {offerStatus} state." },
+            }.ToImmutableDictionary(x => (int)x.Key, x => x.Value);
+
+    public Type Type { get => typeof(OfferSubscriptionServiceErrors); }
+    public IReadOnlyDictionary<int, string> MessageContainer { get => _messageContainer; }
+}
+
+public enum OfferSubscriptionServiceErrors
+{
+    OFFER_NOTFOUND,
+    SUBSCRIPTION_NOTFOUND,
+    NON_PROVIDER_IS_FORBIDDEN,
+    OFFER_STATUS_CONFLICT_INCORR_OFFER_STATUS
+}

src/marketplace/Offers.Library/Service/IOfferSubscriptionService.cs

@@ -27,4 +27,5 @@ namespace Org.Eclipse.TractusX.Portal.Backend.Offers.Library.Service;
 public interface IOfferSubscriptionService
 {
     Task<Guid> AddOfferSubscriptionAsync(Guid offerId, IEnumerable<OfferAgreementConsentData> offerAgreementConsentData, OfferTypeId offerTypeId, string basePortalAddress, IEnumerable<UserRoleConfig> notificationRecipients, IEnumerable<UserRoleConfig> serviceManagerRoles);
+    Task<Guid> RemoveOfferSubscriptionAsync(Guid subscriptionId, OfferTypeId offerTypeId, string basePortalAddress);
 }

src/marketplace/Offers.Library/Service/OfferSubscriptionService.cs

@@ -21,6 +21,7 @@
 using Org.Eclipse.TractusX.Portal.Backend.Framework.ErrorHandling;
 using Org.Eclipse.TractusX.Portal.Backend.Framework.Linq;
 using Org.Eclipse.TractusX.Portal.Backend.Framework.Models.Configuration;
+using Org.Eclipse.TractusX.Portal.Backend.Offers.Library.ErrorHandling;
 using Org.Eclipse.TractusX.Portal.Backend.Offers.Library.Models;
 using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.DBAccess;
 using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.DBAccess.Models;
@@ -103,6 +104,67 @@ await _mailingProcessCreation.RoleBaseSendMail(
         return offerSubscription.Id;
     }
 
+    public async Task<Guid> RemoveOfferSubscriptionAsync(Guid subscriptionId, OfferTypeId offerTypeId, string basePortalAddress)
+    {
+        var offerSubscriptionDetails = await _portalRepositories.GetInstance<IOfferSubscriptionsRepository>()
+            .GetOfferDetailsAndCheckProviderCompany(subscriptionId, _identityData.CompanyId, offerTypeId) ?? throw NotFoundException.Create(OfferSubscriptionServiceErrors.SUBSCRIPTION_NOTFOUND, new ErrorParameter[] { new("subscriptionId", subscriptionId.ToString()) });
+        var offerId = offerSubscriptionDetails.OfferId;
+
+        if (string.IsNullOrEmpty(offerSubscriptionDetails.OfferName))
+        {
+            throw NotFoundException.Create(OfferSubscriptionServiceErrors.OFFER_NOTFOUND, new ErrorParameter[] { new("offerId", offerId.ToString()) });
+        }
+        if (!offerSubscriptionDetails.IsProviderCompany)
+        {
+            throw ForbiddenException.Create(OfferSubscriptionServiceErrors.NON_PROVIDER_IS_FORBIDDEN);
+        }
+        if (offerSubscriptionDetails.Status != OfferSubscriptionStatusId.PENDING)
+        {
+            throw ConflictException.Create(OfferSubscriptionServiceErrors.OFFER_STATUS_CONFLICT_INCORR_OFFER_STATUS, new ErrorParameter[] { new("offerName", offerSubscriptionDetails.OfferName), new("offerStatus", OfferSubscriptionStatusId.PENDING.ToString()) });
+        }
+
+        var offerSubscription = _portalRepositories.Remove(new OfferSubscription(subscriptionId, offerId, offerSubscriptionDetails.CompanyId, offerSubscriptionDetails.Status, offerSubscriptionDetails.RequesterId, DateTimeOffset.UtcNow));
+        SendNotificationsToRequester(offerId, offerTypeId, basePortalAddress, offerSubscriptionDetails);
+        await _portalRepositories.SaveAsync().ConfigureAwait(ConfigureAwaitOptions.None);
+
+        return offerSubscription.Id;
+    }
+
+    private void SendNotificationsToRequester(Guid offerId, OfferTypeId offerTypeId, string basePortalAddress, OfferSubscriptionTransferData offerSubscriptionDetails)
+    {
+        var content = JsonSerializer.Serialize(new
+        {
+            AppName = offerSubscriptionDetails.OfferName,
+            OfferId = offerId
+        });
+
+        var notificationTypeId = offerTypeId == OfferTypeId.SERVICE ? NotificationTypeId.SERVICE_SUBSCRIPTION_DECLINE : NotificationTypeId.APP_SUBSCRIPTION_DECLINE;
+        _portalRepositories.GetInstance<INotificationRepository>().CreateNotification(
+                offerSubscriptionDetails.RequesterId,
+                notificationTypeId,
+                false,
+                notification =>
+                {
+                    notification.CreatorUserId = _identityData.IdentityId;
+                    notification.Content = content;
+                });
+
+        if (!string.IsNullOrWhiteSpace(offerSubscriptionDetails.RequesterEmail))
+        {
+            var mailParameters = ImmutableDictionary.CreateRange(
+            [
+                KeyValuePair.Create("offerName", offerSubscriptionDetails.OfferName!),
+                KeyValuePair.Create("url", basePortalAddress),
+                KeyValuePair.Create("requesterName", string.Format("{0} {1}", offerSubscriptionDetails.RequesterFirstname, offerSubscriptionDetails.RequesterLastname))
+            ]);
+
+            _mailingProcessCreation.CreateMailProcess(
+                offerSubscriptionDetails.RequesterEmail,
+                $"{offerTypeId.ToString().ToLower()}-subscription-decline",
+                mailParameters);
+        }
+    }
+
     private void CreateProcessSteps(OfferSubscription offerSubscription)
     {
         var processStepRepository = _portalRepositories.GetInstance<IProcessStepRepository>();

src/marketplace/Services.Service/BusinessLogic/IServiceBusinessLogic.cs

@@ -44,6 +44,12 @@ public interface IServiceBusinessLogic
     /// <returns></returns>
     Task<Guid> AddServiceSubscription(Guid serviceId, IEnumerable<OfferAgreementConsentData> offerAgreementConsentData);
 
+    /// <summary>
+    /// Declines a pending service subscription of a service, provided by the current user's company.
+    /// </summary>
+    /// <param name="subscriptionId">ID of the pending service to be declined.</param>
+    public Task DeclineServiceSubscriptionAsync(Guid subscriptionId);
+
     /// <summary>
     /// Gets the service detail data for the given service
     /// </summary>

src/marketplace/Services.Service/BusinessLogic/ServiceBusinessLogic.cs

@@ -82,6 +82,10 @@ public ServiceBusinessLogic(
     public Task<Guid> AddServiceSubscription(Guid serviceId, IEnumerable<OfferAgreementConsentData> offerAgreementConsentData) =>
         _offerSubscriptionService.AddOfferSubscriptionAsync(serviceId, offerAgreementConsentData, OfferTypeId.SERVICE, _settings.BasePortalAddress, _settings.SubscriptionManagerRoles, _settings.ServiceManagerRoles);
 
+    /// <inheritdoc />
+    public Task DeclineServiceSubscriptionAsync(Guid subscriptionId) =>
+        _offerSubscriptionService.RemoveOfferSubscriptionAsync(subscriptionId, OfferTypeId.SERVICE, _settings.BasePortalAddress);
+
     /// <inheritdoc />
     public async Task<ServiceDetailResponse> GetServiceDetailsAsync(Guid serviceId, string lang)
     {

src/marketplace/Services.Service/Controllers/ServicesController.cs

@@ -354,4 +354,28 @@ public async Task<IActionResult> ActivateCompanyAppSubscriptionAsync([FromRoute]
         await _serviceBusinessLogic.TriggerActivateOfferSubscription(subscriptionId).ConfigureAwait(ConfigureAwaitOptions.None);
         return NoContent();
     }
+
+    /// <summary>
+    /// Declines a pending service subscription.
+    /// </summary>
+    /// <param name="subscriptionId" example="D3B1ECA2-6148-4008-9E6C-C1C2AEA5C645">ID of the subscription to decline.</param>
+    /// <remarks>Example: PUT: /api/services/supscription/{subscriptiondId}/decline</remarks>
+    /// <response code="204">Service subscription was successfully declined.</response>
+    /// <response code="400">If sub claim is empty/invalid or user does not exist, or any other parameters are invalid.</response>
+    /// <response code="500">Internal Server Error.</response>
+    [HttpPut]
+    [Route("/subscription/{subscriptionId}/decline")]
+    [Authorize(Roles = "decline_subscription")]
+    [Authorize(Policy = PolicyTypes.ValidIdentity)]
+    [Authorize(Policy = PolicyTypes.ValidCompany)]
+    [ProducesResponseType(StatusCodes.Status204NoContent)]
+    [ProducesResponseType(typeof(ErrorResponse), StatusCodes.Status404NotFound)]
+    [ProducesResponseType(typeof(ErrorResponse), StatusCodes.Status403Forbidden)]
+    [ProducesResponseType(typeof(ErrorResponse), StatusCodes.Status409Conflict)]
+    [ProducesResponseType(typeof(ErrorResponse), StatusCodes.Status500InternalServerError)]
+    public async Task<IActionResult> DeclineServiceSubscriptionAsync([FromRoute] Guid subscriptionId)
+    {
+        await _serviceBusinessLogic.DeclineServiceSubscriptionAsync(subscriptionId).ConfigureAwait(ConfigureAwaitOptions.None);
+        return NoContent();
+    }
 }