From 6afce84324cefe446521da09489b67b2c702de70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karol=20S=C3=B3jko?= <karolsojko@gmail.com>
Date: Mon, 13 Sep 2021 10:01:32 +0200
Subject: [PATCH] feat: add changing email (#634)

---
 .../preferences/panes/account/ChangeEmail.tsx |  79 --------
 .../preferences/panes/account/Credentials.tsx |   4 +-
 .../account/changeEmail/ChangeEmailForm.tsx   |  37 ++++
 .../changeEmail/ChangeEmailSuccess.tsx        |  12 ++
 .../panes/account/changeEmail/index.tsx       | 188 ++++++++++++++++++
 5 files changed, 239 insertions(+), 81 deletions(-)
 delete mode 100644 app/assets/javascripts/preferences/panes/account/ChangeEmail.tsx
 create mode 100644 app/assets/javascripts/preferences/panes/account/changeEmail/ChangeEmailForm.tsx
 create mode 100644 app/assets/javascripts/preferences/panes/account/changeEmail/ChangeEmailSuccess.tsx
 create mode 100644 app/assets/javascripts/preferences/panes/account/changeEmail/index.tsx

diff --git a/app/assets/javascripts/preferences/panes/account/ChangeEmail.tsx b/app/assets/javascripts/preferences/panes/account/ChangeEmail.tsx
deleted file mode 100644
index 3754eb2ee..000000000
--- a/app/assets/javascripts/preferences/panes/account/ChangeEmail.tsx
+++ /dev/null
@@ -1,79 +0,0 @@
-import {
-  ModalDialog,
-  ModalDialogButtons,
-  ModalDialogDescription,
-  ModalDialogLabel
-} from '@/components/shared/ModalDialog';
-import { FunctionalComponent } from 'preact';
-import { DecoratedInput } from '@/components/DecoratedInput';
-import { Button } from '@/components/Button';
-import { useState } from 'preact/hooks';
-import { SNAlertService } from '@node_modules/@standardnotes/snjs';
-import { HtmlInputTypes } from '@/enums';
-import { isEmailValid } from '@/utils';
-
-type Props = {
-  onCloseDialog: () => void;
-  snAlert: SNAlertService['alert']
-};
-
-export const ChangeEmail: FunctionalComponent<Props> = ({ onCloseDialog, snAlert }) => {
-  const [email, setEmail] = useState('');
-  const [password, setPassword] = useState('');
-
-  const handleSubmit = () => {
-    let errorMessage = '';
-    if (email.trim() === '' || password.trim() === '') {
-      errorMessage = 'Some fields have not been filled out. Please fill out all fields and try again.';
-    } else if (!isEmailValid(email)) {
-      errorMessage = 'The email you entered has an invalid format. Please review your input and try again.';
-    }
-
-    if (errorMessage) {
-      snAlert(errorMessage);
-      return;
-    }
-  };
-
-  return (
-    <div>
-      <ModalDialog>
-        <ModalDialogLabel closeDialog={onCloseDialog}>
-          Change Email
-        </ModalDialogLabel>
-        <ModalDialogDescription>
-          <div className={'mt-2 mb-3'}>
-            <DecoratedInput
-              onChange={(newEmail) => {
-                setEmail(newEmail);
-              }}
-              text={email}
-              placeholder={'New Email'}
-            />
-          </div>
-          <div className={'mt-2 mb-3'}>
-            <DecoratedInput
-              type={HtmlInputTypes.Password}
-              placeholder={'Password'}
-              onChange={password => setPassword(password)}
-            />
-          </div>
-        </ModalDialogDescription>
-        <ModalDialogButtons>
-          <Button
-            className="min-w-20"
-            type="normal"
-            label="Cancel"
-            onClick={onCloseDialog}
-          />
-          <Button
-            className="min-w-20"
-            type="primary"
-            label="Submit"
-            onClick={handleSubmit}
-          />
-        </ModalDialogButtons>
-      </ModalDialog>
-    </div>
-  );
-};
diff --git a/app/assets/javascripts/preferences/panes/account/Credentials.tsx b/app/assets/javascripts/preferences/panes/account/Credentials.tsx
index 0b3caa736..793e6849e 100644
--- a/app/assets/javascripts/preferences/panes/account/Credentials.tsx
+++ b/app/assets/javascripts/preferences/panes/account/Credentials.tsx
@@ -5,7 +5,7 @@ import { observer } from '@node_modules/mobx-react-lite';
 import { HorizontalSeparator } from '@/components/shared/HorizontalSeparator';
 import { dateToLocalizedString } from '@/utils';
 import { useState } from 'preact/hooks';
-import { ChangeEmail } from '@/preferences/panes/account/ChangeEmail';
+import { ChangeEmail } from '@/preferences/panes/account/changeEmail';
 import { ChangePassword } from '@/preferences/panes/account/changePassword';
 
 type Props = {
@@ -57,7 +57,7 @@ export const Credentials = observer(({ application }: Props) => {
         {isChangeEmailDialogOpen && (
           <ChangeEmail
             onCloseDialog={() => setIsChangeEmailDialogOpen(false)}
-            snAlert={application.alertService.alert}
+            application={application}
           />
         )}
         {
diff --git a/app/assets/javascripts/preferences/panes/account/changeEmail/ChangeEmailForm.tsx b/app/assets/javascripts/preferences/panes/account/changeEmail/ChangeEmailForm.tsx
new file mode 100644
index 000000000..c1f8ed7e3
--- /dev/null
+++ b/app/assets/javascripts/preferences/panes/account/changeEmail/ChangeEmailForm.tsx
@@ -0,0 +1,37 @@
+import { DecoratedInput } from '@/components/DecoratedInput';
+import { StateUpdater } from 'preact/hooks';
+import { FunctionalComponent } from 'preact';
+import { HtmlInputTypes } from '@/enums';
+
+type Props = {
+  setNewEmail: StateUpdater<string>
+  setCurrentPassword: StateUpdater<string>
+}
+export const ChangeEmailForm: FunctionalComponent<Props> = ({
+  setNewEmail,
+  setCurrentPassword
+}) => {
+  return (
+    (
+      <>
+        <div className={'mt-2 mb-3'}>
+          <DecoratedInput
+            onChange={(newEmail) => {
+              setNewEmail(newEmail);
+            }}
+            placeholder={'New Email'}
+          />
+        </div>
+        <div className={'mt-2 mb-3'}>
+          <DecoratedInput
+            type={HtmlInputTypes.Password}
+            onChange={(currentPassword) => {
+              setCurrentPassword(currentPassword);
+            }}
+            placeholder={'Current Password'}
+          />
+        </div>
+      </>
+    )
+  );
+};
diff --git a/app/assets/javascripts/preferences/panes/account/changeEmail/ChangeEmailSuccess.tsx b/app/assets/javascripts/preferences/panes/account/changeEmail/ChangeEmailSuccess.tsx
new file mode 100644
index 000000000..ff5058ff0
--- /dev/null
+++ b/app/assets/javascripts/preferences/panes/account/changeEmail/ChangeEmailSuccess.tsx
@@ -0,0 +1,12 @@
+import { FunctionalComponent } from 'preact';
+
+export const ChangeEmailSuccess: FunctionalComponent = () => {
+  return (
+    <>
+      <div className={'sk-label sk-bold info'}>Your email has been successfully changed.</div>
+      <p className={'sk-p'}>
+        Please ensure you are running the latest version of Standard Notes on all platforms to ensure maximum compatibility.
+      </p>
+    </>
+  );
+};
diff --git a/app/assets/javascripts/preferences/panes/account/changeEmail/index.tsx b/app/assets/javascripts/preferences/panes/account/changeEmail/index.tsx
new file mode 100644
index 000000000..37340e21c
--- /dev/null
+++ b/app/assets/javascripts/preferences/panes/account/changeEmail/index.tsx
@@ -0,0 +1,188 @@
+import { useState } from '@node_modules/preact/hooks';
+import {
+  ModalDialog,
+  ModalDialogButtons,
+  ModalDialogDescription,
+  ModalDialogLabel
+} from '@/components/shared/ModalDialog';
+import { Button } from '@/components/Button';
+import { FunctionalComponent } from 'preact';
+import { WebApplication } from '@/ui_models/application';
+import { useBeforeUnload } from '@/hooks/useBeforeUnload';
+import { ChangeEmailForm } from './ChangeEmailForm';
+import { ChangeEmailSuccess } from './ChangeEmailSuccess';
+import { isEmailValid } from '@/utils';
+
+enum SubmitButtonTitles {
+  Default = 'Continue',
+  GeneratingKeys = 'Generating Keys...',
+  Finish = 'Finish'
+}
+
+enum Steps {
+  InitialStep,
+  FinishStep
+}
+
+type Props = {
+  onCloseDialog: () => void;
+  application: WebApplication;
+}
+
+export const ChangeEmail: FunctionalComponent<Props> = ({
+  onCloseDialog,
+  application
+}) => {
+  const [currentPassword, setCurrentPassword] = useState('');
+  const [newEmail, setNewEmail] = useState('');
+  const [isContinuing, setIsContinuing] = useState(false);
+  const [lockContinue, setLockContinue] = useState(false);
+  const [submitButtonTitle, setSubmitButtonTitle] = useState(SubmitButtonTitles.Default);
+  const [currentStep, setCurrentStep] = useState(Steps.InitialStep);
+
+  useBeforeUnload();
+
+  const applicationAlertService = application.alertService;
+
+  const validateCurrentPassword = async () => {
+    if (!currentPassword || currentPassword.length === 0) {
+      applicationAlertService.alert(
+        'Please enter your current password.'
+      );
+
+      return false;
+    }
+
+    const success = await application.validateAccountPassword(currentPassword);
+    if (!success) {
+      applicationAlertService.alert(
+        'The current password you entered is not correct. Please try again.'
+      );
+
+      return false;
+    }
+
+    return success;
+  };
+
+  const validateNewEmail = async () => {
+    if (!isEmailValid(newEmail)) {
+      applicationAlertService.alert('The email you entered has an invalid format. Please review your input and try again.');
+
+      return false;
+    }
+
+    return true;
+  };
+
+  const resetProgressState = () => {
+    setSubmitButtonTitle(SubmitButtonTitles.Default);
+    setIsContinuing(false);
+  };
+
+  const processEmailChange = async () => {
+    await application.downloadBackup();
+
+    setLockContinue(true);
+
+    const response = await application.changeEmail(
+      newEmail,
+      currentPassword,
+    );
+
+    const success = !response.error;
+
+    setLockContinue(false);
+
+    return success;
+  };
+
+  const dismiss = () => {
+    if (lockContinue) {
+      applicationAlertService.alert(
+        'Cannot close window until pending tasks are complete.'
+      );
+    } else {
+      onCloseDialog();
+    }
+  };
+
+  const handleSubmit = async () => {
+    if (lockContinue || isContinuing) {
+      return;
+    }
+
+    if (currentStep === Steps.FinishStep) {
+      dismiss();
+
+      return;
+    }
+
+    setIsContinuing(true);
+    setSubmitButtonTitle(SubmitButtonTitles.GeneratingKeys);
+
+    const valid = await validateCurrentPassword() && await validateNewEmail();
+
+    if (!valid) {
+      resetProgressState();
+
+      return;
+    }
+
+    const success = await processEmailChange();
+    if (!success) {
+      resetProgressState();
+
+      return;
+    }
+
+    setIsContinuing(false);
+    setSubmitButtonTitle(SubmitButtonTitles.Finish);
+    setCurrentStep(Steps.FinishStep);
+  };
+
+  const handleDialogClose = () => {
+    if (lockContinue) {
+      applicationAlertService.alert(
+        'Cannot close window until pending tasks are complete.'
+      );
+    } else {
+      onCloseDialog();
+    }
+  };
+
+  return (
+    <div>
+      <ModalDialog>
+        <ModalDialogLabel closeDialog={handleDialogClose}>
+          Change Email
+        </ModalDialogLabel>
+        <ModalDialogDescription>
+          {currentStep === Steps.InitialStep && (
+            <ChangeEmailForm
+              setNewEmail={setNewEmail}
+              setCurrentPassword={setCurrentPassword}
+            />
+          )}
+          {currentStep === Steps.FinishStep && <ChangeEmailSuccess />}
+        </ModalDialogDescription>
+        <ModalDialogButtons>
+          {currentStep === Steps.InitialStep && (
+            <Button
+              className='min-w-20'
+              type='normal'
+              label='Cancel'
+              onClick={handleDialogClose}
+            />
+          )}
+          <Button
+            className='min-w-20'
+            type='primary'
+            label={submitButtonTitle}
+            onClick={handleSubmit}
+          />
+        </ModalDialogButtons>
+      </ModalDialog>
+    </div>
+  );
+};