From 4be731044145e2d5054f0db47448c8e0d0c31056 Mon Sep 17 00:00:00 2001
From: SleeplessOne1917 <abias1122@gmail.com>
Date: Fri, 17 Nov 2023 03:47:33 +0000
Subject: [PATCH] Settings Import/export (#2223)

* Add UI for import/export of settings

* Make settings update after import without requiring manual browser refresh

* Address PR feedback

* Add translations
---
 lemmy-translations                        |   2 +-
 src/shared/components/person/settings.tsx | 191 +++++++++++++++++++++-
 2 files changed, 191 insertions(+), 2 deletions(-)

diff --git a/lemmy-translations b/lemmy-translations
index b0d80808..277e3c33 160000
--- a/lemmy-translations
+++ b/lemmy-translations
@@ -1 +1 @@
-Subproject commit b0d80808047eb547aa995e923e9c742e87cd8be7
+Subproject commit 277e3c335bbb9c00c4a600bd4d655b273393f84a
diff --git a/src/shared/components/person/settings.tsx b/src/shared/components/person/settings.tsx
index 91ff4380..6a5ce87a 100644
--- a/src/shared/components/person/settings.tsx
+++ b/src/shared/components/person/settings.tsx
@@ -17,7 +17,7 @@ import { capitalizeFirstLetter, debounce } from "@utils/helpers";
 import { Choice, RouteDataResponse } from "@utils/types";
 import classNames from "classnames";
 import { NoOptionI18nKeys } from "i18next";
-import { Component, linkEvent } from "inferno";
+import { Component, createRef, linkEvent } from "inferno";
 import {
   BlockCommunityResponse,
   BlockInstanceResponse,
@@ -60,6 +60,7 @@ import { CommunityLink } from "../community/community-link";
 import { PersonListing } from "./person-listing";
 import { InitialFetchRequest } from "../../interfaces";
 import TotpModal from "../common/totp-modal";
+import { LoadingEllipses } from "../common/loading-ellipses";
 
 type SettingsData = RouteDataResponse<{
   instancesRes: GetFederatedInstancesResponse;
@@ -119,6 +120,9 @@ interface SettingsState {
   searchInstanceOptions: Choice[];
   isIsomorphic: boolean;
   show2faModal: boolean;
+  importSettingsRes: RequestState<any>;
+  exportSettingsRes: RequestState<any>;
+  settingsFile?: File;
 }
 
 type FilterType = "user" | "community" | "instance";
@@ -183,6 +187,8 @@ function handleClose2faModal(i: Settings) {
 
 export class Settings extends Component<any, SettingsState> {
   private isoData = setIsoData<SettingsData>(this.context);
+  exportSettingsLink = createRef<HTMLAnchorElement>();
+
   state: SettingsState = {
     saveRes: EMPTY_REQUEST,
     deleteAccountRes: EMPTY_REQUEST,
@@ -207,6 +213,8 @@ export class Settings extends Component<any, SettingsState> {
     generateTotpRes: EMPTY_REQUEST,
     updateTotpRes: EMPTY_REQUEST,
     show2faModal: false,
+    importSettingsRes: EMPTY_REQUEST,
+    exportSettingsRes: EMPTY_REQUEST,
   };
 
   constructor(props: any, context: any) {
@@ -251,6 +259,7 @@ export class Settings extends Component<any, SettingsState> {
           show_read_posts,
           send_notifications_to_email,
           email,
+          open_links_in_new_tab,
         },
         person: {
           avatar,
@@ -288,6 +297,7 @@ export class Settings extends Component<any, SettingsState> {
           bio,
           send_notifications_to_email,
           matrix_user_id,
+          open_links_in_new_tab,
         },
       };
     }
@@ -332,8 +342,18 @@ export class Settings extends Component<any, SettingsState> {
   }
 
   render() {
+    /* eslint-disable jsx-a11y/anchor-has-content, jsx-a11y/anchor-is-valid */
     return (
       <div className="person-settings container-lg">
+        <a
+          ref={this.exportSettingsLink}
+          download={`${I18NextService.i18n.t("export_file_name")}_${new Date()
+            .toISOString()
+            .replace(/:|-/g, "")}.json`}
+          className="d-none"
+          href="javascript:void(0)"
+          aria-hidden="true"
+        />
         <HtmlTags
           title={this.documentTitle}
           path={this.context.router.route.match.url}
@@ -356,6 +376,7 @@ export class Settings extends Component<any, SettingsState> {
         />
       </div>
     );
+    /* eslint-enable jsx-a11y/anchor-has-content, jsx-a11y/anchor-is-valid */
   }
 
   userSettings(isSelected: boolean) {
@@ -377,6 +398,9 @@ export class Settings extends Component<any, SettingsState> {
             <div className="card border-secondary mb-3">
               <div className="card-body">{this.changePasswordHtmlForm()}</div>
             </div>
+            <div className="card border-secondary mb-3">
+              <div className="card-body">{this.importExport()}</div>
+            </div>
           </div>
         </div>
       </div>
@@ -595,6 +619,58 @@ export class Settings extends Component<any, SettingsState> {
     );
   }
 
+  importExport() {
+    return (
+      <>
+        <h2 className="h5">
+          {I18NextService.i18n.t("import_export_section_title")}
+        </h2>
+        <p>{I18NextService.i18n.t("import_export_section_description")}</p>
+        {!(
+          this.state.importSettingsRes.state === "loading" ||
+          this.state.exportSettingsRes.state === "loading"
+        ) ? (
+          <>
+            <button
+              className="btn btn-secondary w-100 mb-4"
+              onClick={linkEvent(this, this.handleExportSettings)}
+              type="button"
+            >
+              {I18NextService.i18n.t("export")}
+            </button>
+            <fieldset className="border border-secondary rounded p-3 bg-dark bg-opacity-25">
+              <input
+                type="file"
+                accept="application/json"
+                className="form-control"
+                aria-label="Import settings file input"
+                onChange={linkEvent(this, this.handleImportFileChange)}
+              />
+              <button
+                className="btn btn-secondary w-100 mt-3"
+                onClick={linkEvent(this, this.handleImportSettings)}
+                type="button"
+                disabled={!this.state.settingsFile}
+              >
+                {I18NextService.i18n.t("import")}
+              </button>
+            </fieldset>
+          </>
+        ) : (
+          <div>
+            <div className="text-center">
+              {this.state.exportSettingsRes.state === "loading"
+                ? I18NextService.i18n.t("exporting")
+                : I18NextService.i18n.t("importing")}
+              <LoadingEllipses />
+            </div>
+            <Spinner large />
+          </div>
+        )}
+      </>
+    );
+  }
+
   saveUserSettingsHtmlForm() {
     const selectedLangs = this.state.saveUserSettingsForm.discussion_languages;
 
@@ -1096,6 +1172,7 @@ export class Settings extends Component<any, SettingsState> {
       this.setState({ show2faModal: false });
 
       const siteRes = await HttpService.client.getSite();
+
       UserService.Instance.myUserInfo!.local_user_view.local_user.totp_2fa_enabled =
         enabled;
 
@@ -1474,6 +1551,118 @@ export class Settings extends Component<any, SettingsState> {
     }
   }
 
+  handleImportFileChange(i: Settings, event) {
+    i.setState({ settingsFile: event.target.files?.item(0) });
+  }
+
+  async handleExportSettings(i: Settings) {
+    i.setState({ exportSettingsRes: LOADING_REQUEST });
+    const res = await HttpService.client.exportSettings();
+
+    if (res.state === "success") {
+      i.exportSettingsLink.current!.href = encodeURI(
+        `data:application/json,${JSON.stringify(res.data)}`,
+      );
+      i.exportSettingsLink.current?.click();
+    } else if (res.state === "failed") {
+      toast(
+        res.err.message === "rate_limit_error"
+          ? I18NextService.i18n.t("import_export_rate_limit_error")
+          : I18NextService.i18n.t("export_error"),
+        "danger",
+      );
+    }
+
+    i.setState({ exportSettingsRes: EMPTY_REQUEST });
+  }
+
+  async handleImportSettings(i: Settings) {
+    i.setState({ importSettingsRes: LOADING_REQUEST });
+
+    const res = await HttpService.client.importSettings(
+      JSON.parse(await i.state.settingsFile!.text()),
+    );
+
+    if (res.state === "success") {
+      toast(I18NextService.i18n.t("import_success"), "success");
+
+      const saveRes = i.state.saveRes;
+      i.setState({ saveRes: LOADING_REQUEST });
+
+      const siteRes = await HttpService.client.getSite();
+      i.setState({ saveRes });
+
+      if (siteRes.state === "success") {
+        const {
+          local_user: {
+            show_nsfw,
+            blur_nsfw,
+            auto_expand,
+            theme,
+            default_sort_type,
+            default_listing_type,
+            interface_language,
+            show_avatars,
+            show_bot_accounts,
+            show_scores,
+            show_read_posts,
+            send_notifications_to_email,
+            email,
+            open_links_in_new_tab,
+          },
+          person: {
+            avatar,
+            banner,
+            display_name,
+            bot_account,
+            bio,
+            matrix_user_id,
+          },
+        } = siteRes.data.my_user!.local_user_view;
+
+        UserService.Instance.myUserInfo = siteRes.data.my_user;
+
+        i.setState(prev => ({
+          ...prev,
+          siteRes: siteRes.data,
+          saveUserSettingsForm: {
+            ...prev.saveUserSettingsForm,
+            show_avatars,
+            show_bot_accounts,
+            show_nsfw,
+            teme: theme ?? "browser",
+            avatar,
+            banner,
+            display_name,
+            bio,
+            matrix_user_id,
+            auto_expand,
+            blur_nsfw,
+            bot_account,
+            default_listing_type,
+            default_sort_type,
+            discussion_languages: siteRes.data.my_user?.discussion_languages,
+            email,
+            interface_language,
+            open_links_in_new_tab,
+            send_notifications_to_email,
+            show_read_posts,
+            show_scores,
+          },
+        }));
+      }
+    } else if (res.state === "failed") {
+      toast(
+        res.err.message === "rate_limit_error"
+          ? I18NextService.i18n.t("import_export_rate_limit_error")
+          : I18NextService.i18n.t("import_error"),
+        "danger",
+      );
+    }
+
+    i.setState({ importSettingsRes: EMPTY_REQUEST, settingsFile: undefined });
+  }
+
   handleDeleteAccountShowConfirmToggle(i: Settings) {
     i.setState({ deleteAccountShowConfirm: !i.state.deleteAccountShowConfirm });
   }