TMA123: Add Profile Pictures UI (#17)

* rebasing

* rebasing

* remove debug code

* fixed margins and added navigation from login

* moved plist file into gitignore

* moved index.ts to onboarding directory

* install react native image crop picker

* added permissions into Info.plist

* rebasing

* minor changes for Justins PR

* change debug code back

Co-authored-by: meganhong <meganhong31@g.ucla.edu>

1 files changed, 441 insertions, 0 deletions

diff --git a/src/screens/onboarding/Registration.tsx b/src/screens/onboarding/Registration.tsx
new file mode 100644
index 00000000..29a2b3f3
--- /dev/null
+++ b/src/screens/onboarding/Registration.tsx
@@ -0,0 +1,441 @@
+import React, {useState, useRef} from 'react';
+import {RouteProp} from '@react-navigation/native';
+import {StackNavigationProp} from '@react-navigation/stack';
+import {
+  View,
+  Text,
+  StyleSheet,
+  StatusBar,
+  Alert,
+  Platform,
+  TouchableOpacity,
+  KeyboardAvoidingView,
+} from 'react-native';
+
+import {RootStackParamList} from '../../routes';
+import {
+  ArrowButton,
+  RegistrationWizard,
+  TaggInput,
+  TermsConditions,
+  Background,
+} from '../../components';
+import {
+  emailRegex,
+  passwordRegex,
+  usernameRegex,
+  REGISTER_ENDPOINT,
+} from '../../constants';
+
+type RegistrationScreenRouteProp = RouteProp<
+  RootStackParamList,
+  'Registration'
+>;
+type RegistrationScreenNavigationProp = StackNavigationProp<
+  RootStackParamList,
+  'Registration'
+>;
+interface RegistrationProps {
+  route: RegistrationScreenRouteProp;
+  navigation: RegistrationScreenNavigationProp;
+}
+/**
+ * Registration screen.
+ * @param navigation react-navigation navigation object
+ */
+const Registration: React.FC<RegistrationProps> = ({navigation}) => {
+  // refs for changing focus
+  const lnameRef = useRef();
+  const emailRef = useRef();
+  const usernameRef = useRef();
+  const passwordRef = useRef();
+  const confirmRef = useRef();
+  /**
+   * Handles focus change to the next input field.
+   * @param field key for field to move focus onto
+   */
+  const handleFocusChange = (field: string): void => {
+    switch (field) {
+      case 'lname':
+        const lnameField: any = lnameRef.current;
+        lnameField.focus();
+        break;
+      case 'email':
+        const emailField: any = emailRef.current;
+        emailField.focus();
+        break;
+      case 'username':
+        const usernameField: any = usernameRef.current;
+        usernameField.focus();
+        break;
+      case 'password':
+        const passwordField: any = passwordRef.current;
+        passwordField.focus();
+        break;
+      case 'confirm':
+        const confirmField: any = confirmRef.current;
+        confirmField.focus();
+        break;
+      default:
+        return;
+    }
+  };
+
+  // registration form state
+  const [form, setForm] = useState({
+    fname: '',
+    lname: '',
+    email: '',
+    username: '',
+    password: '',
+    confirm: '',
+    isValidFname: false,
+    isValidLname: false,
+    isValidEmail: false,
+    isValidUsername: false,
+    isValidPassword: false,
+    passwordsMatch: false,
+    tcAccepted: false,
+    attemptedSubmit: false,
+  });
+
+  /*
+   * Handles changes to the first name field value and verifies the input by updating state and running a validation function.
+   */
+  const handleFnameUpdate = (fname: string) => {
+    let isValidFname: boolean = fname.length > 0;
+    setForm({
+      ...form,
+      fname,
+      isValidFname,
+    });
+  };
+  /*
+   * Handles changes to the last name field value and verifies the input by updating state and running a validation function.
+   */
+  const handleLnameUpdate = (lname: string) => {
+    let isValidLname: boolean = lname.length > 0;
+    setForm({
+      ...form,
+      lname,
+      isValidLname,
+    });
+  };
+  /*
+   * Handles changes to the email field value and verifies the input by updating state and running a validation function.
+   */
+  const handleEmailUpdate = (email: string) => {
+    let isValidEmail: boolean = emailRegex.test(email);
+    setForm({
+      ...form,
+      email,
+      isValidEmail,
+    });
+  };
+
+  /*
+   * Handles changes to the username field value and verifies the input by updating state and running a validation function.
+   */
+  const handleUsernameUpdate = (username: string) => {
+    let isValidUsername: boolean = usernameRegex.test(username);
+    setForm({
+      ...form,
+      username,
+      isValidUsername,
+    });
+  };
+  /*
+   * Handles changes to the password field value and verifies the input by updating state and running a validation function.
+   */
+  const handlePasswordUpdate = (password: string) => {
+    let isValidPassword: boolean = passwordRegex.test(password);
+    let passwordsMatch: boolean = form.password === form.confirm;
+    setForm({
+      ...form,
+      password,
+      isValidPassword,
+      passwordsMatch,
+    });
+  };
+
+  /*
+   * Handles changes to the confirm password field value and verifies the input by updating state and running a validation function.
+   */
+  const handleConfirmUpdate = (confirm: string) => {
+    let passwordsMatch: boolean = form.password === confirm;
+    setForm({
+      ...form,
+      confirm,
+      passwordsMatch,
+    });
+  };
+
+  /**
+   * Handles changes to the terms and conditions accepted boolean.
+   * @param tcAccepted the boolean to set the terms and conditions value to
+   */
+  const handleTcUpdate = (tcAccepted: boolean) => {
+    setForm({
+      ...form,
+      tcAccepted,
+    });
+  };
+
+  /**
+   * Handles a click on the "next" arrow button by sending an API request to the backend and displaying the appropriate response.
+   */
+  const handleRegister = async () => {
+    if (!form.attemptedSubmit) {
+      setForm({
+        ...form,
+        attemptedSubmit: true,
+      });
+    }
+    try {
+      if (
+        form.isValidFname &&
+        form.isValidLname &&
+        form.isValidUsername &&
+        form.isValidPassword &&
+        form.passwordsMatch
+      ) {
+        if (form.tcAccepted) {
+          let response = await fetch(REGISTER_ENDPOINT, {
+            method: 'POST',
+            body: JSON.stringify({
+              first_name: form.fname,
+              last_name: form.lname,
+              email: form.email,
+              username: form.username,
+              password: form.password,
+            }),
+          });
+          let statusCode = response.status;
+          let data = await response.json();
+          if (statusCode === 201) {
+            navigation.navigate('Verification');
+            Alert.alert(
+              "You've successfully registered!🥳",
+              `Welcome, ${form.username}`,
+            );
+          } else if (statusCode === 409) {
+            Alert.alert('Registration failed 😔', `${data}`);
+          } else {
+            Alert.alert(
+              'Something went wrong! 😭',
+              "Would you believe me if I told you that I don't know what happened?",
+            );
+          }
+        } else {
+          Alert.alert(
+            'Terms and conditions',
+            'You must first agree to the terms and conditions.',
+          );
+        }
+      } else {
+        setForm({...form, attemptedSubmit: false});
+        setTimeout(() => setForm({...form, attemptedSubmit: true}));
+      }
+    } catch (error) {
+      Alert.alert(
+        'Looks like our servers are down. 😓',
+        "Try again in a couple minutes. We're sorry for the inconvenience.",
+      );
+      return {
+        name: 'Registration error',
+        description: error,
+      };
+    }
+  };
+
+  const Footer = () => (
+    <View style={styles.footer}>
+      <ArrowButton
+        direction="backward"
+        onPress={() => navigation.navigate('Login')}
+      />
+      <TouchableOpacity onPress={handleRegister}>
+        <ArrowButton
+          direction="forward"
+          disabled={
+            !(
+              form.isValidFname &&
+              form.isValidLname &&
+              form.isValidEmail &&
+              form.isValidUsername &&
+              form.isValidPassword &&
+              form.passwordsMatch &&
+              form.tcAccepted
+            )
+          }
+          onPress={handleRegister}
+        />
+      </TouchableOpacity>
+    </View>
+  );
+
+  return (
+    <Background style={styles.container}>
+      <StatusBar barStyle="light-content" />
+      <KeyboardAvoidingView
+        behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
+        style={styles.container}>
+        <RegistrationWizard style={styles.wizard} step="one" />
+        <View>
+          <Text style={styles.formHeader}>Sign up.</Text>
+        </View>
+        <TaggInput
+          accessibilityHint="Enter your first name."
+          accessibilityLabel="First name input field."
+          placeholder="First Name"
+          autoCompleteType="name"
+          textContentType="name"
+          returnKeyType="next"
+          onChangeText={handleFnameUpdate}
+          onSubmitEditing={() => handleFocusChange('lname')}
+          blurOnSubmit={false}
+          valid={form.isValidFname}
+          invalidWarning="First name cannot be empty."
+          attemptedSubmit={form.attemptedSubmit}
+          width={280}
+        />
+        <TaggInput
+          accessibilityHint="Enter your last name."
+          accessibilityLabel="Last name input field."
+          placeholder="Last Name"
+          autoCompleteType="name"
+          textContentType="name"
+          returnKeyType="next"
+          onChangeText={handleLnameUpdate}
+          onSubmitEditing={() => handleFocusChange('email')}
+          blurOnSubmit={false}
+          ref={lnameRef}
+          valid={form.isValidLname}
+          invalidWarning="Last name cannot be empty."
+          attemptedSubmit={form.attemptedSubmit}
+          width={280}
+        />
+        <TaggInput
+          accessibilityHint="Enter your email."
+          accessibilityLabel="Email input field."
+          placeholder="Email"
+          autoCompleteType="email"
+          textContentType="emailAddress"
+          autoCapitalize="none"
+          returnKeyType="next"
+          keyboardType="email-address"
+          onChangeText={handleEmailUpdate}
+          onSubmitEditing={() => handleFocusChange('username')}
+          blurOnSubmit={false}
+          ref={emailRef}
+          valid={form.isValidEmail}
+          invalidWarning={'Please enter a valid email address.'}
+          attemptedSubmit={form.attemptedSubmit}
+          width={280}
+        />
+        <TaggInput
+          accessibilityHint="Enter a username."
+          accessibilityLabel="Username input field."
+          placeholder="Username"
+          autoCompleteType="username"
+          textContentType="username"
+          autoCapitalize="none"
+          returnKeyType="next"
+          onChangeText={handleUsernameUpdate}
+          onSubmitEditing={() => handleFocusChange('password')}
+          blurOnSubmit={false}
+          ref={usernameRef}
+          valid={form.isValidUsername}
+          invalidWarning={
+            'Username must be at least 6 characters and contain only alphanumerics.'
+          }
+          attemptedSubmit={form.attemptedSubmit}
+          width={280}
+        />
+        <TaggInput
+          accessibilityHint="Enter a password."
+          accessibilityLabel="Password input field."
+          placeholder="Password"
+          autoCompleteType="password"
+          textContentType="newPassword"
+          returnKeyType="next"
+          onChangeText={handlePasswordUpdate}
+          onSubmitEditing={() => handleFocusChange('confirm')}
+          blurOnSubmit={false}
+          secureTextEntry
+          ref={passwordRef}
+          valid={form.isValidPassword}
+          invalidWarning={
+            'Password must be at least 8 characters & contain at least one of a-z, A-Z, 0-9, and a special character.'
+          }
+          attemptedSubmit={form.attemptedSubmit}
+          width={280}
+        />
+        <TaggInput
+          accessibilityHint={'Re-enter your password.'}
+          accessibilityLabel={'Password confirmation input field.'}
+          placeholder={'Confirm Password'}
+          autoCompleteType="password"
+          textContentType="password"
+          returnKeyType={form.tcAccepted ? 'go' : 'default'}
+          onChangeText={handleConfirmUpdate}
+          onSubmitEditing={handleRegister}
+          secureTextEntry
+          ref={confirmRef}
+          valid={form.passwordsMatch}
+          invalidWarning={'Passwords must match.'}
+          attemptedSubmit={form.attemptedSubmit}
+          width={280}
+        />
+        <TermsConditions
+          style={styles.tc}
+          accepted={form.tcAccepted}
+          onChange={handleTcUpdate}
+        />
+      </KeyboardAvoidingView>
+      <Footer />
+    </Background>
+  );
+};
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  wizard: {
+    ...Platform.select({
+      ios: {
+        bottom: '10%',
+      },
+      android: {
+        bottom: '5%',
+      },
+    }),
+  },
+  formHeader: {
+    color: '#fff',
+    fontSize: 30,
+    fontWeight: '600',
+    marginBottom: '5%',
+  },
+  tc: {
+    marginTop: '5%',
+  },
+  footer: {
+    width: '100%',
+    flexDirection: 'row',
+    justifyContent: 'space-around',
+    ...Platform.select({
+      ios: {
+        bottom: '20%',
+      },
+      android: {
+        bottom: '10%',
+      },
+    }),
+  },
+});
+
+export default Registration;