Added leave project support

frontend/src/views/Settings/ProjectSettingsPage/components/DeleteProjectSection/DeleteProjectSection.tsx

@@ -1,29 +1,52 @@
+import { useMemo } from "react";
 import { useRouter } from "next/router";
 
 import { createNotification } from "@app/components/notifications";
 import { ProjectPermissionCan } from "@app/components/permissions";
 import { Button, DeleteActionModal } from "@app/components/v2";
+import { LeaveProjectModal } from "@app/components/v2/LeaveProjectModal";
 import {
   ProjectPermissionActions,
   ProjectPermissionSub,
   useOrganization,
+  useProjectPermission,
   useWorkspace
 } from "@app/context";
 import { useToggle } from "@app/hooks";
-import { useDeleteWorkspace } from "@app/hooks/api";
+import { useDeleteWorkspace, useGetWorkspaceUsers, useLeaveProject } from "@app/hooks/api";
 import { usePopUp } from "@app/hooks/usePopUp";
 
 export const DeleteProjectSection = () => {
   const router = useRouter();
-  
+
   const { popUp, handlePopUpOpen, handlePopUpClose, handlePopUpToggle } = usePopUp([
-    "deleteWorkspace"
+    "deleteWorkspace",
+    "leaveWorkspace"
   ] as const);
 
   const { currentOrg } = useOrganization();
+  const { hasProjectRole, membership } = useProjectPermission();
   const { currentWorkspace } = useWorkspace();
   const [isDeleting, setIsDeleting] = useToggle();
+  const [isLeaving, setIsLeaving] = useToggle();
   const deleteWorkspace = useDeleteWorkspace();
+  const leaveProject = useLeaveProject();
+  const { data: members, isLoading: isMembersLoading } = useGetWorkspaceUsers(
+    currentWorkspace?.id || ""
+  );
+
+  // If isNoAccessMember is true, then the user can't read the workspace members. So we need to handle this case separately.
+  const isNoAccessMember = hasProjectRole("no-access");
+
+  const isOnlyAdminMember = useMemo(() => {
+    if (!members || !membership || !hasProjectRole("admin")) return false;
+
+    const adminMembers = members.filter(
+      (member) => member.roles.map((r) => r.role).includes("admin") && member.id !== membership.id // exclude the current user
+    );
+
+    return !adminMembers.length;
+  }, [members, membership]);
 
   const handleDeleteWorkspaceSubmit = async () => {
     setIsDeleting.on();
@@ -53,23 +76,97 @@ export const DeleteProjectSection = () => {
     }
   };
 
+  const handleLeaveWorkspaceSubmit = async () => {
+    console.log({
+      currentWorkspace,
+      currentOrg,
+      members,
+      isNoAccessMember,
+      membership
+    });
+
+    try {
+      setIsLeaving.on();
+
+      if (!currentWorkspace?.id || !currentOrg?.id) return;
+
+      // If there's no members, and the user has access to read members, something went wrong.
+      if (!members && !isNoAccessMember) return;
+
+      // If the user has access to read members, and there's less than 2 members, they can't leave the project.
+      if (!isNoAccessMember && members!.length < 2) {
+        createNotification({
+          text: "You can't leave the project as you are the only member",
+          type: "error"
+        });
+        return;
+      }
+
+      // If the user has access to read members, and there's less than 1 admin member excluding the current user, they can't leave the project.
+      if (!isNoAccessMember) {
+        if (!members) return;
+
+        if (isOnlyAdminMember) {
+          createNotification({
+            text: "You can't leave a project with no admin members left. Promote another member to admin first.",
+            type: "error"
+          });
+          return;
+        }
+      }
+
+      await leaveProject.mutateAsync({
+        workspaceId: currentWorkspace.id,
+        organizationId: currentOrg.id
+      });
+
+      router.push(`/org/${currentOrg.id}/overview`);
+    } catch (err) {
+      console.error(err);
+      createNotification({
+        text: "Failed to leave project",
+        type: "error"
+      });
+    } finally {
+      setIsLeaving.off();
+    }
+  };
+
   return (
     <div className="mb-6 rounded-lg border border-mineshaft-600 bg-mineshaft-900 p-4">
       <p className="mb-4 text-xl font-semibold text-mineshaft-100">Danger Zone</p>
-      <ProjectPermissionCan I={ProjectPermissionActions.Delete} a={ProjectPermissionSub.Workspace}>
-        {(isAllowed) => (
+      <div className="space-x-4">
+        <ProjectPermissionCan
+          I={ProjectPermissionActions.Delete}
+          a={ProjectPermissionSub.Workspace}
+        >
+          {(isAllowed) => (
+            <Button
+              isLoading={isDeleting}
+              isDisabled={!isAllowed || isDeleting}
+              colorSchema="danger"
+              variant="outline_bg"
+              type="submit"
+              onClick={() => handlePopUpOpen("deleteWorkspace")}
+            >
+              {`Delete ${currentWorkspace?.name}`}
+            </Button>
+          )}
+        </ProjectPermissionCan>
+        {!!isOnlyAdminMember && (
           <Button
-            isLoading={isDeleting}
-            isDisabled={!isAllowed || isDeleting}
+            disabled={isMembersLoading || (members && members?.length < 2)}
+            isLoading={isLeaving}
             colorSchema="danger"
             variant="outline_bg"
             type="submit"
-            onClick={() => handlePopUpOpen("deleteWorkspace")}
+            onClick={() => handlePopUpOpen("leaveWorkspace")}
           >
-            {`Delete ${currentWorkspace?.name}`}
+            {`Leave ${currentWorkspace?.name}`}
           </Button>
         )}
-      </ProjectPermissionCan>
+      </div>
+
       <DeleteActionModal
         isOpen={popUp.deleteWorkspace.isOpen}
         title="Are you sure want to delete this project?"
@@ -79,6 +176,16 @@ export const DeleteProjectSection = () => {
         buttonText="Delete Project"
         onDeleteApproved={handleDeleteWorkspaceSubmit}
       />
+
+      <LeaveProjectModal
+        isOpen={popUp.leaveWorkspace.isOpen}
+        title="Are you sure want to leave this project?"
+        subTitle={`If you leave ${currentWorkspace?.name} you will lose access to the project and it's contents.`}
+        onChange={(isOpen) => handlePopUpToggle("leaveWorkspace", isOpen)}
+        deleteKey="confirm"
+        buttonText="Leave Project"
+        onLeaveApproved={handleLeaveWorkspaceSubmit}
+      />
     </div>
   );
 };