feat: added endpoints to fetch a particule project user membership and identity

backend/src/services/identity-project/identity-project-dal.ts

@@ -10,11 +10,16 @@ export type TIdentityProjectDALFactory = ReturnType<typeof identityProjectDALFac
 export const identityProjectDALFactory = (db: TDbClient) => {
   const identityProjectOrm = ormify(db, TableName.IdentityProjectMembership);
 
-  const findByProjectId = async (projectId: string, tx?: Knex) => {
+  const findByProjectId = async (projectId: string, filter: { identityId?: string } = {}, tx?: Knex) => {
     try {
       const docs = await (tx || db)(TableName.IdentityProjectMembership)
         .where(`${TableName.IdentityProjectMembership}.projectId`, projectId)
         .join(TableName.Identity, `${TableName.IdentityProjectMembership}.identityId`, `${TableName.Identity}.id`)
+        .where((qb) => {
+          if (filter.identityId) {
+            void qb.where("identityId", filter.identityId);
+          }
+        })
         .join(
           TableName.IdentityProjectMembershipRole,
           `${TableName.IdentityProjectMembershipRole}.projectMembershipId`,

backend/src/services/identity-project/identity-project-service.ts

@@ -18,6 +18,7 @@ import { TIdentityProjectMembershipRoleDALFactory } from "./identity-project-mem
 import {
   TCreateProjectIdentityDTO,
   TDeleteProjectIdentityDTO,
+  TGetProjectIdentityByIdentityIdDTO,
   TListProjectIdentityDTO,
   TUpdateProjectIdentityDTO
 } from "./identity-project-types";
@@ -282,10 +283,33 @@ export const identityProjectServiceFactory = ({
     return identityMemberships;
   };
 
+  const getProjectIdentityByIdentityId = async ({
+    projectId,
+    actor,
+    actorId,
+    actorAuthMethod,
+    actorOrgId,
+    identityId
+  }: TGetProjectIdentityByIdentityIdDTO) => {
+    const { permission } = await permissionService.getProjectPermission(
+      actor,
+      actorId,
+      projectId,
+      actorAuthMethod,
+      actorOrgId
+    );
+    ForbiddenError.from(permission).throwUnlessCan(ProjectPermissionActions.Read, ProjectPermissionSub.Identity);
+
+    const [identityMembership] = await identityProjectDAL.findByProjectId(projectId, { identityId });
+    if (!identityMembership) throw new BadRequestError({ message: `Membership not found for identity ${identityId}` });
+    return identityMembership;
+  };
+
   return {
     createProjectIdentity,
     updateProjectIdentity,
     deleteProjectIdentity,
-    listProjectIdentities
+    listProjectIdentities,
+    getProjectIdentityByIdentityId
   };
 };

backend/src/services/identity-project/identity-project-types.ts

@@ -41,3 +41,7 @@ export type TDeleteProjectIdentityDTO = {
 } & TProjectPermission;
 
 export type TListProjectIdentityDTO = TProjectPermission;
+
+export type TGetProjectIdentityByIdentityIdDTO = {
+  identityId: string;
+} & TProjectPermission;