feat(groups): unique names

backend/src/ee/services/group/group-service.ts

@@ -88,6 +88,13 @@ export const groupServiceFactory = ({
     if (!hasRequiredPriviledges)
       throw new ForbiddenRequestError({ message: "Failed to create a more privileged group" });
 
+    const existingGroup = await groupDAL.findOne({ orgId: actorOrgId, name });
+    if (existingGroup) {
+      throw new BadRequestError({
+        message: `Failed to create group with name '${name}'. Group with the same name already exists`
+      });
+    }
+
     const group = await groupDAL.create({
       name,
       slug: slug || slugify(`${name}-${alphaNumericNanoId(4)}`),
@@ -145,6 +152,16 @@ export const groupServiceFactory = ({
       if (isCustomRole) customRole = customOrgRole;
     }
 
+    if (name) {
+      const existingGroup = await groupDAL.findOne({ orgId: actorOrgId, name });
+
+      if (existingGroup && existingGroup.id !== id) {
+        throw new BadRequestError({
+          message: `Failed to update group with name '${name}'. Group with the same name already exists`
+        });
+      }
+    }
+
     const [updatedGroup] = await groupDAL.update(
       {
         id: group.id

backend/src/ee/services/scim/scim-service.ts

@@ -790,6 +790,18 @@ export const scimServiceFactory = ({
       });
 
     const newGroup = await groupDAL.transaction(async (tx) => {
+      const conflictingGroup = await groupDAL.findOne({
+        name: displayName,
+        orgId
+      });
+
+      if (conflictingGroup) {
+        throw new ScimRequestError({
+          detail: `Group with name '${displayName}' already exists in the organization`,
+          status: 409
+        });
+      }
+
       const group = await groupDAL.create(
         {
           name: displayName,