⬆️ v3.0.0 (#704)

apps/web/src/contexts/permissions.ts

@@ -0,0 +1,47 @@
+import React from "react";
+
+import { useParticipants } from "@/components/participants-provider";
+import { useUser } from "@/components/user-provider";
+import { usePoll } from "@/contexts/poll";
+import { useRole } from "@/contexts/role";
+
+export const PermissionsContext = React.createContext<{
+  userId: string | null;
+}>({
+  userId: null,
+});
+
+export const usePermissions = () => {
+  const poll = usePoll();
+  const context = React.useContext(PermissionsContext);
+  const { user } = useUser();
+  const role = useRole();
+  const { participants } = useParticipants();
+  const isClosed = poll.closed === true || poll.event !== null;
+  return {
+    canAddNewParticipant: !isClosed,
+    canEditParticipant: (participantId: string) => {
+      if (isClosed) {
+        return false;
+      }
+
+      if (role === "admin" && user.id === poll.userId) {
+        return true;
+      }
+
+      const participant = participants.find(
+        (participant) => participant.id === participantId,
+      );
+
+      if (
+        participant &&
+        (participant.userId === user.id ||
+          participant.userId === context.userId)
+      ) {
+        return true;
+      }
+
+      return false;
+    },
+  };
+};