feat(user): Delete User Data from frontend (#2476)

# Description

Please include a summary of the changes and the related issue. Please
also include relevant motivation and context.

## Checklist before requesting a review

Please delete options that are not relevant.

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented hard-to-understand areas
- [ ] I have ideally added tests that prove my fix is effective or that
my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged

## Screenshots (if appropriate):

---------

Co-authored-by: Stan Girard <girard.stanislas@gmail.com>

backend/modules/user/controller/user_controller.py

@@ -79,6 +79,26 @@ def get_user_identity_route(
     """
     return user_repository.get_user_identity(current_user.id)
 
+@user_router.delete(
+    "/user_data",
+    dependencies=[Depends(AuthBearer())],
+    tags=["User"],
+)
+async def delete_user_data_route(
+    current_user: UserIdentity = Depends(get_current_user),
+):
+    """
+    Delete a user.
+
+    - `user_id`: The ID of the user to delete.
+
+    This endpoint deletes a user from the system.
+    """
+
+    user_repository.delete_user_data(current_user.id)
+
+    return {"message": "User deleted successfully"}
+
 @user_router.get(
     "/user/credits",
     dependencies=[Depends(AuthBearer())],

backend/modules/user/repository/users.py

@@ -76,6 +76,30 @@ class Users(UsersInterface):
         ).execute()
         return response.data[0]["email"]
     
+    def delete_user_data(self, user_id):
+        response = (
+            self.db.from_("brains_users")
+            .select("brain_id")
+            .filter("rights", "eq", "Owner")
+            .filter("user_id", "eq", str(user_id))
+            .execute()
+        )
+        brain_ids = [row["brain_id"] for row in response.data]
+
+        for brain_id in brain_ids:
+            self.db.table("brains").delete().filter("brain_id", "eq", brain_id).execute()
+
+        for brain_id in brain_ids:
+            self.db.table("brains_vectors").delete().filter("brain_id", "eq", brain_id).execute()
+
+        for brain_id in brain_ids:
+            self.db.table("chat_history").delete().filter("brain_id", "eq", brain_id).execute()
+
+        self.db.table("user_settings").delete().filter("user_id", "eq", str(user_id)).execute()
+        self.db.table("user_identity").delete().filter("user_id", "eq", str(user_id)).execute()
+        self.db.table("users").delete().filter("id", "eq", str(user_id)).execute()
+        
+
     def get_user_credits(self, user_id):
         user_usage_instance = user_usage.UserUsage(id=user_id)
         

backend/modules/user/repository/users_interface.py

@@ -46,6 +46,15 @@ class UsersInterface(ABC):
         pass
 
     @abstractmethod
+    def delete_user_data(self, user_id: str):
+        """
+        Delete a user.
+
+        - `user_id`: The ID of the user to delete.
+
+        This endpoint deletes a user from the system. 
+        """
+    @abstractmethod  
     def get_user_credits(self, user_id: UUID) -> int:
         """
         Get user remaining credits

frontend/app/user/page.module.scss

@@ -7,3 +7,14 @@
   flex-direction: column;
   gap: Spacings.$spacing05;
 }
+
+.modal_wrapper {
+  display: flex;
+  flex-direction: column;
+  gap: Spacings.$spacing05;
+
+  .buttons {
+    display: flex;
+    justify-content: space-between;
+  }
+}

frontend/app/user/page.tsx

@@ -1,7 +1,9 @@
 "use client";
 
+import { useState } from "react";
 import { useTranslation } from "react-i18next";
 
+import { useUserApi } from "@/lib/api/user/useUserApi";
 import PageHeader from "@/lib/components/PageHeader/PageHeader";
 import { Modal } from "@/lib/components/ui/Modal/Modal";
 import QuivrButton from "@/lib/components/ui/QuivrButton/QuivrButton";
@@ -18,7 +20,10 @@ import { useLogoutModal } from "../../lib/hooks/useLogoutModal";
 const UserPage = (): JSX.Element => {
   const { session } = useSupabase();
   const { userData } = useUserData();
+  const { deleteUserData } = useUserApi();
   const { t } = useTranslation(["translation", "logout"]);
+  const [deleteAccountModalOpened, setDeleteAccountModalOpened] =
+    useState(false);
   const {
     handleLogout,
     isLoggingOut,
@@ -26,14 +31,24 @@ const UserPage = (): JSX.Element => {
     setIsLogoutModalOpened,
   } = useLogoutModal();
 
-  const button: ButtonType = {
+  const buttons: ButtonType[] = [
+    {
       label: "Logout",
       color: "dangerous",
       onClick: () => {
         setIsLogoutModalOpened(true);
       },
       iconName: "logout",
-  };
+    },
+    {
+      label: "Delete Account",
+      color: "dangerous",
+      onClick: () => {
+        setDeleteAccountModalOpened(true);
+      },
+      iconName: "delete",
+    },
+  ];
 
   if (!session || !userData) {
     redirectToLogin();
@@ -42,7 +57,7 @@ const UserPage = (): JSX.Element => {
   return (
     <>
       <div className={styles.page_header}>
-        <PageHeader iconName="user" label="Profile" buttons={[button]} />
+        <PageHeader iconName="user" label="Profile" buttons={buttons} />
       </div>
       <div className={styles.user_page_container}>
         <div className={styles.content_wrapper}>
@@ -55,11 +70,9 @@ const UserPage = (): JSX.Element => {
         size="auto"
         CloseTrigger={<div />}
       >
-        <div className="text-center flex flex-col items-center gap-5">
-          <h2 className="text-lg font-medium mb-5">
-            {t("areYouSure", { ns: "logout" })}
-          </h2>
-          <div className="flex gap-5 items-center justify-center">
+        <div className={styles.modal_wrapper}>
+          <h2>{t("areYouSure", { ns: "logout" })}</h2>
+          <div className={styles.buttons}>
             <QuivrButton
               onClick={() => setIsLogoutModalOpened(false)}
               color="primary"
@@ -76,6 +89,34 @@ const UserPage = (): JSX.Element => {
           </div>
         </div>
       </Modal>
+      <Modal
+        isOpen={deleteAccountModalOpened}
+        setOpen={setDeleteAccountModalOpened}
+        size="auto"
+        CloseTrigger={<div />}
+      >
+        <div className={styles.modal_wrapper}>
+          <h2>Are you sure you want to delete your account ?</h2>
+          <div className={styles.buttons}>
+            <QuivrButton
+              onClick={() => setDeleteAccountModalOpened(false)}
+              color="primary"
+              label={t("cancel", { ns: "logout" })}
+              iconName="close"
+            ></QuivrButton>
+            <QuivrButton
+              isLoading={isLoggingOut}
+              color="dangerous"
+              onClick={() => {
+                void deleteUserData();
+                void handleLogout();
+              }}
+              label="Delete Account"
+              iconName="logout"
+            ></QuivrButton>
+          </div>
+        </div>
+      </Modal>
     </>
   );
 };

frontend/lib/api/user/useUserApi.ts

@@ -1,6 +1,7 @@
 import { useAxios } from "@/lib/hooks";
 
 import {
+  deleteUserData,
   getUser,
   getUserCredits,
   getUserIdentity,
@@ -18,6 +19,7 @@ export const useUserApi = () => {
     ) => updateUserIdentity(userIdentityUpdatableProperties, axiosInstance),
     getUserIdentity: async () => getUserIdentity(axiosInstance),
     getUser: async () => getUser(axiosInstance),
+    deleteUserData: async () => deleteUserData(axiosInstance),
     getUserCredits: async () => getUserCredits(axiosInstance),
   };
 };

frontend/lib/api/user/user.ts

@@ -31,7 +31,7 @@ export type UserIdentityUpdatableProperties = {
 };
 
 export type UserIdentity = {
-  user_id: UUID;
+  id: UUID;
   onboarded: boolean;
   username: string;
 };
@@ -54,6 +54,12 @@ export const getUser = async (
   axiosInstance: AxiosInstance
 ): Promise<UserStats> => (await axiosInstance.get<UserStats>("/user")).data;
 
+export const deleteUserData = async (
+  axiosInstance: AxiosInstance
+): Promise<void> => {
+  await axiosInstance.delete(`/user_data`);
+};
+
 export const getUserCredits = async (
   axiosInstance: AxiosInstance
 ): Promise<number> => (await axiosInstance.get<number>("/user/credits")).data;

frontend/lib/hooks/useLogoutModal.ts

@@ -30,10 +30,6 @@ export const useLogoutModal = () => {
         text: t("error", { errorMessage: error.message, ns: "logout" }),
       });
     } else {
-      publish({
-        variant: "success",
-        text: t("loggedOut", { ns: "logout" }),
-      });
       window.location.href = "/";
     }
     setIsLoggingOut(false);