feat: Purchase "Create account" & "Sign in" flows and Floating label input (#672)

app/assets/javascripts/app.ts

@@ -64,6 +64,7 @@ import { IconDirective } from './components/Icon';
 import { NoteTagsContainerDirective } from './components/NoteTagsContainer';
 import { PreferencesDirective } from './preferences';
 import { AppVersion, IsWebPlatform } from '@/version';
+import { PurchaseFlowDirective } from './purchaseFlow';
 import { QuickSettingsMenuDirective } from './components/QuickSettingsMenu';
 
 function reloadHiddenFirefoxTab(): boolean {
@@ -165,7 +166,8 @@ const startApplication: StartApplication = async function startApplication(
     .directive('notesOptionsPanel', NotesOptionsPanelDirective)
     .directive('icon', IconDirective)
     .directive('noteTagsContainer', NoteTagsContainerDirective)
-    .directive('preferences', PreferencesDirective);
+    .directive('preferences', PreferencesDirective)
+    .directive('purchaseFlow', PurchaseFlowDirective);
 
   // Filters
   angular.module('app').filter('trusted', ['$sce', trusted]);

app/assets/javascripts/components/FloatingLabelInput.tsx

@@ -0,0 +1,75 @@
+import { FunctionComponent, Ref } from 'preact';
+import { JSXInternal } from 'preact/src/jsx';
+import { forwardRef } from 'preact/compat';
+import { useState } from 'preact/hooks';
+
+type Props = {
+  id: string;
+  type: 'text' | 'email' | 'password'; // Have no use cases for other types so far
+  label: string;
+  value: string;
+  onChange: JSXInternal.GenericEventHandler<HTMLInputElement>;
+  disabled?: boolean;
+  className?: string;
+  labelClassName?: string;
+  inputClassName?: string;
+  isInvalid?: boolean;
+};
+
+export const FloatingLabelInput: FunctionComponent<Props> = forwardRef(
+  (
+    {
+      id,
+      type,
+      label,
+      disabled,
+      value,
+      isInvalid,
+      onChange,
+      className = '',
+      labelClassName = '',
+      inputClassName = '',
+    },
+    ref: Ref<HTMLInputElement>
+  ) => {
+    const [focused, setFocused] = useState(false);
+
+    const BASE_CLASSNAME = `relative bg-default`;
+
+    const LABEL_CLASSNAME = `hidden absolute ${
+      !focused ? 'color-neutral' : 'color-info'
+    } ${focused || value ? 'flex top-0 left-2 pt-1.5 px-1' : ''} ${
+      isInvalid ? 'color-dark-red' : ''
+    } ${labelClassName}`;
+
+    const INPUT_CLASSNAME = `w-full h-full ${
+      focused || value ? 'pt-6 pb-2' : 'py-2.5'
+    } px-3 text-input border-1 border-solid border-gray-300 rounded placeholder-medium text-input focus:ring-info ${
+      isInvalid ? 'border-dark-red placeholder-dark-red' : ''
+    } ${inputClassName}`;
+
+    const handleFocus = () => setFocused(true);
+
+    const handleBlur = () => setFocused(false);
+
+    return (
+      <div className={`${BASE_CLASSNAME} ${className}`}>
+        <label htmlFor={id} className={LABEL_CLASSNAME}>
+          {label}
+        </label>
+        <input
+          id={id}
+          className={INPUT_CLASSNAME}
+          placeholder={!focused ? label : ''}
+          type={type}
+          value={value}
+          onChange={onChange}
+          onFocus={handleFocus}
+          onBlur={handleBlur}
+          ref={ref}
+          disabled={disabled}
+        />
+      </div>
+    );
+  }
+);

app/assets/javascripts/purchaseFlow/PurchaseFlowView.tsx

@@ -0,0 +1,68 @@
+import { WebApplication } from '@/ui_models/application';
+import { AppState } from '@/ui_models/app_state';
+import { PurchaseFlowPane } from '@/ui_models/app_state/purchase_flow_state';
+import { observer } from 'mobx-react-lite';
+import { FunctionComponent } from 'preact';
+import { CreateAccount } from './panes/CreateAccount';
+import { SignIn } from './panes/SignIn';
+import SNLogoFull from '../../svg/ic-sn-logo-full.svg';
+
+type PaneSelectorProps = {
+  currentPane: PurchaseFlowPane;
+} & PurchaseFlowViewProps;
+
+type PurchaseFlowViewProps = {
+  appState: AppState;
+  application: WebApplication;
+};
+
+const PurchaseFlowPaneSelector: FunctionComponent<PaneSelectorProps> = ({
+  currentPane,
+  appState,
+  application,
+}) => {
+  switch (currentPane) {
+    case PurchaseFlowPane.CreateAccount:
+      return <CreateAccount appState={appState} application={application} />;
+    case PurchaseFlowPane.SignIn:
+      return <SignIn appState={appState} application={application} />;
+  }
+};
+
+export const PurchaseFlowView: FunctionComponent<PurchaseFlowViewProps> =
+  observer(({ appState, application }) => {
+    const { currentPane } = appState.purchaseFlow;
+
+    return (
+      <div className="flex items-center justify-center h-full w-full absolute top-left-0 z-index-purchase-flow bg-grey-2">
+        <div className="relative fit-content">
+          <div className="relative p-12 mb-4 bg-default border-1 border-solid border-gray-300 rounded">
+            <SNLogoFull className="mb-5" />
+            <PurchaseFlowPaneSelector
+              currentPane={currentPane}
+              appState={appState}
+              application={application}
+            />
+          </div>
+          <div className="flex justify-end">
+            <a
+              className="mr-3 font-medium color-grey-1"
+              href="https://standardnotes.com/privacy"
+              target="_blank"
+              rel="noopener noreferrer"
+            >
+              Privacy
+            </a>
+            <a
+              className="font-medium color-grey-1"
+              href="https://standardnotes.com/help"
+              target="_blank"
+              rel="noopener noreferrer"
+            >
+              Help
+            </a>
+          </div>
+        </div>
+      </div>
+    );
+  });

app/assets/javascripts/purchaseFlow/PurchaseFlowWrapper.tsx

@@ -0,0 +1,33 @@
+import { WebApplication } from '@/ui_models/application';
+import { AppState } from '@/ui_models/app_state';
+import { isDesktopApplication } from '@/utils';
+import { observer } from 'mobx-react-lite';
+import { FunctionComponent } from 'preact';
+import { PurchaseFlowView } from './PurchaseFlowView';
+
+export type PurchaseFlowWrapperProps = {
+  appState: AppState;
+  application: WebApplication;
+};
+
+export const loadPurchaseFlowUrl = async (
+  application: WebApplication
+): Promise<void> => {
+  const url = await application.getPurchaseFlowUrl();
+  if (url) {
+    const currentUrl = window.location.href.split('/?')[0];
+    const successUrl = isDesktopApplication()
+      ? `standardnotes://${currentUrl}`
+      : currentUrl;
+    window.location.assign(`${url}&success_url=${successUrl}`);
+  }
+};
+
+export const PurchaseFlowWrapper: FunctionComponent<PurchaseFlowWrapperProps> =
+  observer(({ appState, application }) => {
+    if (!appState.purchaseFlow.isOpen) {
+      return null;
+    }
+
+    return <PurchaseFlowView appState={appState} application={application} />;
+  });

app/assets/javascripts/purchaseFlow/index.ts

@@ -0,0 +1,8 @@
+import { toDirective } from '@/components/utils';
+import {
+  PurchaseFlowWrapper,
+  PurchaseFlowWrapperProps,
+} from './PurchaseFlowWrapper';
+
+export const PurchaseFlowDirective =
+  toDirective<PurchaseFlowWrapperProps>(PurchaseFlowWrapper);

app/assets/javascripts/purchaseFlow/panes/CreateAccount.tsx

@@ -0,0 +1,200 @@
+import { Button } from '@/components/Button';
+import { WebApplication } from '@/ui_models/application';
+import { AppState } from '@/ui_models/app_state';
+import { PurchaseFlowPane } from '@/ui_models/app_state/purchase_flow_state';
+import { observer } from 'mobx-react-lite';
+import { FunctionComponent } from 'preact';
+import { useEffect, useRef, useState } from 'preact/hooks';
+import Illustration from '../../../svg/create-account-illustration.svg';
+import Circle from '../../../svg/circle-55.svg';
+import BlueDot from '../../../svg/blue-dot.svg';
+import Diamond from '../../../svg/diamond-with-horizontal-lines.svg';
+import { FloatingLabelInput } from '@/components/FloatingLabelInput';
+import { isEmailValid } from '@/utils';
+import { loadPurchaseFlowUrl } from '../PurchaseFlowWrapper';
+
+type Props = {
+  appState: AppState;
+  application: WebApplication;
+};
+
+export const CreateAccount: FunctionComponent<Props> = observer(
+  ({ appState, application }) => {
+    const { setCurrentPane } = appState.purchaseFlow;
+    const [email, setEmail] = useState('');
+    const [password, setPassword] = useState('');
+    const [confirmPassword, setConfirmPassword] = useState('');
+    const [isCreatingAccount, setIsCreatingAccount] = useState(false);
+    const [isEmailInvalid, setIsEmailInvalid] = useState(false);
+    const [isPasswordNotMatching, setIsPasswordNotMatching] = useState(false);
+
+    const emailInputRef = useRef<HTMLInputElement>();
+    const passwordInputRef = useRef<HTMLInputElement>();
+    const confirmPasswordInputRef = useRef<HTMLInputElement>();
+
+    useEffect(() => {
+      if (emailInputRef.current) emailInputRef.current.focus();
+    }, []);
+
+    const handleEmailChange = (e: Event) => {
+      if (e.target instanceof HTMLInputElement) {
+        setEmail(e.target.value);
+        setIsEmailInvalid(false);
+      }
+    };
+
+    const handlePasswordChange = (e: Event) => {
+      if (e.target instanceof HTMLInputElement) {
+        setPassword(e.target.value);
+      }
+    };
+
+    const handleConfirmPasswordChange = (e: Event) => {
+      if (e.target instanceof HTMLInputElement) {
+        setConfirmPassword(e.target.value);
+        setIsPasswordNotMatching(false);
+      }
+    };
+
+    const handleSignInInstead = () => {
+      setCurrentPane(PurchaseFlowPane.SignIn);
+    };
+
+    const handleCreateAccount = async () => {
+      if (!email) {
+        emailInputRef?.current.focus();
+        return;
+      }
+
+      if (!isEmailValid(email)) {
+        setIsEmailInvalid(true);
+        emailInputRef?.current.focus();
+        return;
+      }
+
+      if (!password) {
+        passwordInputRef?.current.focus();
+        return;
+      }
+
+      if (!confirmPassword) {
+        confirmPasswordInputRef?.current.focus();
+        return;
+      }
+
+      if (password !== confirmPassword) {
+        setConfirmPassword('');
+        setIsPasswordNotMatching(true);
+        confirmPasswordInputRef?.current.focus();
+        return;
+      }
+
+      setIsCreatingAccount(true);
+
+      try {
+        const response = await application.register(email, password);
+        if (response.error || response.data?.error) {
+          throw new Error(
+            response.error?.message || response.data?.error?.message
+          );
+        } else {
+          loadPurchaseFlowUrl(application).catch((err) => {
+            console.error(err);
+            application.alertService.alert(err);
+          });
+        }
+      } catch (err) {
+        console.error(err);
+        application.alertService.alert(err as string);
+      } finally {
+        setIsCreatingAccount(false);
+      }
+    };
+
+    return (
+      <div className="flex items-center">
+        <Circle className="absolute w-8 h-8 top-40% -left-28" />
+        <BlueDot className="absolute w-4 h-4 top-35% -left-10" />
+        <Diamond className="absolute w-26 h-26 -bottom-5 left-0 -translate-x-1/2 -z-index-1" />
+
+        <Circle className="absolute w-8 h-8 bottom-35% -right-20" />
+        <BlueDot className="absolute w-4 h-4 bottom-25% -right-10" />
+        <Diamond className="absolute w-18 h-18 top-0 -right-2 translate-x-1/2 -z-index-1" />
+
+        <div className="mr-12">
+          <h1 className="mt-0 mb-2 text-2xl">Create your free account</h1>
+          <div className="mb-4 font-medium text-sm">
+            to continue to Standard Notes.
+          </div>
+          <form onSubmit={handleCreateAccount}>
+            <div className="flex flex-col">
+              <FloatingLabelInput
+                className={`min-w-90 ${isEmailInvalid ? 'mb-2' : 'mb-4'}`}
+                id="purchase-sign-in-email"
+                type="email"
+                label="Email"
+                value={email}
+                onChange={handleEmailChange}
+                ref={emailInputRef}
+                disabled={isCreatingAccount}
+                isInvalid={isEmailInvalid}
+              />
+              {isEmailInvalid ? (
+                <div className="color-dark-red mb-4">
+                  Please provide a valid email.
+                </div>
+              ) : null}
+              <FloatingLabelInput
+                className="min-w-90 mb-4"
+                id="purchase-create-account-password"
+                type="password"
+                label="Password"
+                value={password}
+                onChange={handlePasswordChange}
+                ref={passwordInputRef}
+                disabled={isCreatingAccount}
+              />
+              <FloatingLabelInput
+                className={`min-w-90 ${
+                  isPasswordNotMatching ? 'mb-2' : 'mb-4'
+                }`}
+                id="create-account-confirm"
+                type="password"
+                label="Repeat password"
+                value={confirmPassword}
+                onChange={handleConfirmPasswordChange}
+                ref={confirmPasswordInputRef}
+                disabled={isCreatingAccount}
+                isInvalid={isPasswordNotMatching}
+              />
+              {isPasswordNotMatching ? (
+                <div className="color-dark-red mb-4">
+                  Passwords don't match. Please try again.
+                </div>
+              ) : null}
+            </div>
+          </form>
+          <div className="flex justify-between">
+            <button
+              onClick={handleSignInInstead}
+              disabled={isCreatingAccount}
+              className="p-0 bg-default border-0 font-medium color-info cursor-pointer hover:underline"
+            >
+              Sign in instead
+            </button>
+            <Button
+              className="py-2.5"
+              type="primary"
+              label={
+                isCreatingAccount ? 'Creating account...' : 'Create account'
+              }
+              onClick={handleCreateAccount}
+              disabled={isCreatingAccount}
+            />
+          </div>
+        </div>
+        <Illustration />
+      </div>
+    );
+  }
+);

app/assets/javascripts/purchaseFlow/panes/SignIn.tsx

@@ -0,0 +1,175 @@
+import { Button } from '@/components/Button';
+import { WebApplication } from '@/ui_models/application';
+import { AppState } from '@/ui_models/app_state';
+import { PurchaseFlowPane } from '@/ui_models/app_state/purchase_flow_state';
+import { observer } from 'mobx-react-lite';
+import { FunctionComponent } from 'preact';
+import { useEffect, useRef, useState } from 'preact/hooks';
+import Circle from '../../../svg/circle-55.svg';
+import BlueDot from '../../../svg/blue-dot.svg';
+import Diamond from '../../../svg/diamond-with-horizontal-lines.svg';
+import { FloatingLabelInput } from '@/components/FloatingLabelInput';
+import { isEmailValid } from '@/utils';
+import { loadPurchaseFlowUrl } from '../PurchaseFlowWrapper';
+
+type Props = {
+  appState: AppState;
+  application: WebApplication;
+};
+
+export const SignIn: FunctionComponent<Props> = observer(
+  ({ appState, application }) => {
+    const { setCurrentPane } = appState.purchaseFlow;
+    const [email, setEmail] = useState('');
+    const [password, setPassword] = useState('');
+    const [isSigningIn, setIsSigningIn] = useState(false);
+    const [isEmailInvalid, setIsEmailInvalid] = useState(false);
+    const [isPasswordInvalid, setIsPasswordInvalid] = useState(false);
+    const [otherErrorMessage, setOtherErrorMessage] = useState('');
+
+    const emailInputRef = useRef<HTMLInputElement>();
+    const passwordInputRef = useRef<HTMLInputElement>();
+
+    useEffect(() => {
+      if (emailInputRef.current) emailInputRef.current.focus();
+    }, []);
+
+    const handleEmailChange = (e: Event) => {
+      if (e.target instanceof HTMLInputElement) {
+        setEmail(e.target.value);
+        setIsEmailInvalid(false);
+      }
+    };
+
+    const handlePasswordChange = (e: Event) => {
+      if (e.target instanceof HTMLInputElement) {
+        setPassword(e.target.value);
+        setIsPasswordInvalid(false);
+        setOtherErrorMessage('');
+      }
+    };
+
+    const handleCreateAccountInstead = () => {
+      if (isSigningIn) return;
+      setCurrentPane(PurchaseFlowPane.CreateAccount);
+    };
+
+    const handleSignIn = async () => {
+      if (!email) {
+        emailInputRef?.current.focus();
+        return;
+      }
+
+      if (!isEmailValid(email)) {
+        setIsEmailInvalid(true);
+        emailInputRef?.current.focus();
+        return;
+      }
+
+      if (!password) {
+        passwordInputRef?.current.focus();
+        return;
+      }
+
+      setIsSigningIn(true);
+
+      try {
+        const response = await application.signIn(email, password);
+        if (response.error || response.data?.error) {
+          throw new Error(
+            response.error?.message || response.data?.error?.message
+          );
+        } else {
+          loadPurchaseFlowUrl(application).catch((err) => {
+            console.error(err);
+            application.alertService.alert(err);
+          });
+        }
+      } catch (err) {
+        console.error(err);
+        if ((err as Error).toString().includes('Invalid email or password')) {
+          setIsSigningIn(false);
+          setIsEmailInvalid(true);
+          setIsPasswordInvalid(true);
+          setOtherErrorMessage('Invalid email or password.');
+          setPassword('');
+        } else {
+          application.alertService.alert(err as string);
+        }
+      }
+    };
+
+    return (
+      <div className="flex items-center">
+        <Circle className="absolute w-8 h-8 top-35% -left-56" />
+        <BlueDot className="absolute w-4 h-4 top-30% -left-40" />
+        <Diamond className="absolute w-26 h-26 -bottom-5 left-0 -translate-x-1/2 -z-index-1" />
+
+        <Circle className="absolute w-8 h-8 bottom-30% -right-56" />
+        <BlueDot className="absolute w-4 h-4 bottom-20% -right-44" />
+        <Diamond className="absolute w-18 h-18 top-0 -right-2 translate-x-1/2 -z-index-1" />
+
+        <div>
+          <h1 className="mt-0 mb-2 text-2xl">Sign in</h1>
+          <div className="mb-4 font-medium text-sm">
+            to continue to Standard Notes.
+          </div>
+          <form onSubmit={handleSignIn}>
+            <div className="flex flex-col">
+              <FloatingLabelInput
+                className={`min-w-90 ${
+                  isEmailInvalid && !otherErrorMessage ? 'mb-2' : 'mb-4'
+                }`}
+                id="purchase-sign-in-email"
+                type="email"
+                label="Email"
+                value={email}
+                onChange={handleEmailChange}
+                ref={emailInputRef}
+                disabled={isSigningIn}
+                isInvalid={isEmailInvalid}
+              />
+              {isEmailInvalid && !otherErrorMessage ? (
+                <div className="color-dark-red mb-4">
+                  Please provide a valid email.
+                </div>
+              ) : null}
+              <FloatingLabelInput
+                className={`min-w-90 ${otherErrorMessage ? 'mb-2' : 'mb-4'}`}
+                id="purchase-sign-in-password"
+                type="password"
+                label="Password"
+                value={password}
+                onChange={handlePasswordChange}
+                ref={passwordInputRef}
+                disabled={isSigningIn}
+                isInvalid={isPasswordInvalid}
+              />
+              {otherErrorMessage ? (
+                <div className="color-dark-red mb-4">{otherErrorMessage}</div>
+              ) : null}
+            </div>
+            <Button
+              className={`${isSigningIn ? 'min-w-30' : 'min-w-24'} py-2.5 mb-5`}
+              type="primary"
+              label={isSigningIn ? 'Signing in...' : 'Sign in'}
+              onClick={handleSignIn}
+              disabled={isSigningIn}
+            />
+          </form>
+          <div className="text-sm font-medium color-grey-1">
+            Don’t have an account yet?{' '}
+            <a
+              className={`color-info ${
+                isSigningIn ? 'cursor-not-allowed' : 'cursor-pointer '
+              }`}
+              onClick={handleCreateAccountInstead}
+            >
+              Create account
+            </a>
+          </div>
+        </div>
+      </div>
+    );
+  }
+);

app/assets/javascripts/ui_models/app_state/app_state.ts

@@ -23,6 +23,7 @@ import { NotesState } from './notes_state';
 import { TagsState } from './tags_state';
 import { AccountMenuState } from '@/ui_models/app_state/account_menu_state';
 import { PreferencesState } from './preferences_state';
+import { PurchaseFlowState } from './purchase_flow_state';
 import { QuickSettingsState } from './quick_settings_state';
 
 export enum AppStateEvent {
@@ -67,6 +68,7 @@ export class AppState {
   readonly accountMenu: AccountMenuState;
   readonly actionsMenu = new ActionsMenuState();
   readonly preferences = new PreferencesState();
+  readonly purchaseFlow: PurchaseFlowState;
   readonly noAccountWarning: NoAccountWarningState;
   readonly noteTags: NoteTagsState;
   readonly sync = new SyncState();
@@ -113,6 +115,7 @@ export class AppState {
       application,
       this.appEventObserverRemovers
     );
+    this.purchaseFlow = new PurchaseFlowState(application);
     this.addAppEventObserver();
     this.streamNotesAndTags();
     this.onVisibilityChange = () => {
@@ -284,6 +287,8 @@ export class AppState {
           break;
         case ApplicationEvent.Launched:
           this.locked = false;
+          if (window.location.search.includes('purchase=true'))
+            this.purchaseFlow.openPurchaseFlow();
           break;
         case ApplicationEvent.SyncStatusChanged:
           this.sync.update(this.application.getSyncStatus());

app/assets/javascripts/ui_models/app_state/purchase_flow_state.ts

@@ -0,0 +1,38 @@
+import { action, makeObservable, observable } from 'mobx';
+import { WebApplication } from '../application';
+
+export enum PurchaseFlowPane {
+  SignIn,
+  CreateAccount,
+}
+
+export class PurchaseFlowState {
+  isOpen = false;
+  currentPane = PurchaseFlowPane.CreateAccount;
+
+  constructor(private application: WebApplication) {
+    makeObservable(this, {
+      isOpen: observable,
+      currentPane: observable,
+
+      setCurrentPane: action,
+      openPurchaseFlow: action,
+      closePurchaseFlow: action,
+    });
+  }
+
+  setCurrentPane = (currentPane: PurchaseFlowPane): void => {
+    this.currentPane = currentPane;
+  };
+
+  openPurchaseFlow = (): void => {
+    const user = this.application.getUser();
+    if (!user) {
+      this.isOpen = true;
+    }
+  };
+
+  closePurchaseFlow = (): void => {
+    this.isOpen = false;
+  };
+}

app/assets/javascripts/views/application/application-view.pug

@@ -41,4 +41,7 @@
     application='self.application'
     app-state='self.appState'
   )
-  
+  purchase-flow(
+    application='self.application'
+    app-state='self.appState'
+  )