feat: implement user impersonation feature (#976)

* feat: wip impersonate user

* feat: add ability to impersonate an user

* fix: remove console.log

* fix: unused import

front/src/pages/impersonate/Impersonate.tsx

@@ -0,0 +1,57 @@
+import { useCallback, useEffect } from 'react';
+import { useNavigate, useParams } from 'react-router-dom';
+import { useRecoilState, useSetRecoilState } from 'recoil';
+
+import { useIsLogged } from '@/auth/hooks/useIsLogged';
+import { currentUserState } from '@/auth/states/currentUserState';
+import { tokenPairState } from '@/auth/states/tokenPairState';
+import { useImpersonateMutation } from '~/generated/graphql';
+
+import { AppPath } from '../../modules/types/AppPath';
+import { isNonEmptyString } from '../../utils/isNonEmptyString';
+
+export function Impersonate() {
+  const navigate = useNavigate();
+  const { userId } = useParams();
+
+  const [currentUser, setCurrentUser] = useRecoilState(currentUserState);
+  const setTokenPair = useSetRecoilState(tokenPairState);
+
+  const [impersonate] = useImpersonateMutation();
+
+  const isLogged = useIsLogged();
+
+  const handleImpersonate = useCallback(async () => {
+    if (!isNonEmptyString(userId)) {
+      return;
+    }
+
+    const impersonateResult = await impersonate({
+      variables: { userId },
+    });
+
+    if (impersonateResult.errors) {
+      throw impersonateResult.errors;
+    }
+
+    if (!impersonateResult.data?.impersonate) {
+      throw new Error('No impersonate result');
+    }
+
+    setCurrentUser(impersonateResult.data?.impersonate.user);
+    setTokenPair(impersonateResult.data?.impersonate.tokens);
+
+    return impersonateResult.data?.impersonate;
+  }, [userId, impersonate, setCurrentUser, setTokenPair]);
+
+  useEffect(() => {
+    if (isLogged && currentUser?.canImpersonate && isNonEmptyString(userId)) {
+      handleImpersonate();
+    } else {
+      // User is not allowed to impersonate or not logged in
+      navigate(AppPath.Index);
+    }
+  }, [userId, currentUser, isLogged, handleImpersonate, navigate]);
+
+  return <></>;
+}