From 7e7dd5244e8d26485ad7950a89c04c98c4fef83f Mon Sep 17 00:00:00 2001
From: Andrew <saintruler@gmail.com>
Date: Mon, 11 Mar 2019 21:00:02 +0400
Subject: Initial commit/

---
 frontend/app/screens/messaging/chat.js | 214 +++++++++++++++++++++++++++++++++
 1 file changed, 214 insertions(+)
 create mode 100644 frontend/app/screens/messaging/chat.js

(limited to 'frontend/app/screens/messaging/chat.js')

diff --git a/frontend/app/screens/messaging/chat.js b/frontend/app/screens/messaging/chat.js
new file mode 100644
index 0000000..c6b0b5e
--- /dev/null
+++ b/frontend/app/screens/messaging/chat.js
@@ -0,0 +1,214 @@
+import React from 'react';
+import {
+  FlatList,
+  View,
+  Platform,
+  Image,
+  TouchableOpacity,
+  Keyboard,
+  InteractionManager,
+} from 'react-native';
+import {
+  RkButton,
+  RkText,
+  RkTextInput,
+  RkAvoidKeyboard,
+  RkStyleSheet,
+  RkTheme,
+} from 'react-native-ui-kitten';
+import _ from 'lodash';
+import { FontAwesome } from '../../assets/icons';
+import { data } from '../../data';
+import { Avatar } from '../../components/avatar';
+import { scale } from '../../utils/scale';
+import NavigationType from '../../config/navigation/propTypes';
+
+const moment = require('moment');
+
+export class Chat extends React.Component {
+  static propTypes = {
+    navigation: NavigationType.isRequired,
+  };
+  static navigationOptions = ({ navigation }) => {
+    const userId = navigation.state.params ? navigation.state.params.userId : undefined;
+    const user = data.getUser(userId);
+    return ({
+      headerTitle: Chat.renderNavigationTitle(navigation, user),
+      headerRight: Chat.renderNavigationAvatar(navigation, user),
+    });
+  };
+
+  constructor(props) {
+    super(props);
+    const userId = this.props.navigation.getParam('userId', undefined);
+    this.state = {
+      data: data.getConversation(userId),
+    };
+  }
+
+  componentDidMount() {
+    InteractionManager.runAfterInteractions(() => {
+      this.listRef.scrollToEnd();
+    });
+  }
+
+  setListRef = (ref) => {
+    this.listRef = ref;
+  };
+
+  extractItemKey = (item) => `${item.id}`;
+
+  scrollToEnd = () => {
+    if (Platform.OS === 'ios') {
+      this.listRef.scrollToEnd();
+    } else {
+      _.delay(this.listRef.scrollToEnd, 100);
+    }
+  };
+
+  onInputChanged = (text) => {
+    this.setState({ message: text });
+  };
+
+  onSendButtonPressed = () => {
+    if (!this.state.message) {
+      return;
+    }
+    this.state.data.messages.push({
+      id: this.state.data.messages.length, time: 0, type: 'out', text: this.state.message,
+    });
+    this.setState({ message: '' });
+    this.scrollToEnd(true);
+  };
+
+  static onNavigationTitlePressed = (navigation, user) => {
+    navigation.navigate('ProfileV1', { id: user.id });
+  };
+
+  static onNavigationAvatarPressed = (navigation, user) => {
+    navigation.navigate('ProfileV1', { id: user.id });
+  };
+
+  static renderNavigationTitle = (navigation, user) => (
+    <TouchableOpacity onPress={() => Chat.onNavigationTitlePressed(navigation, user)}>
+      <View style={styles.header}>
+        <RkText rkType='header5'>{`${user.firstName} ${user.lastName}`}</RkText>
+        <RkText rkType='secondary3 secondaryColor'>Online</RkText>
+      </View>
+    </TouchableOpacity>
+  );
+
+  static renderNavigationAvatar = (navigation, user) => (
+    <TouchableOpacity onPress={() => Chat.onNavigationAvatarPressed(navigation, user)}>
+      <Avatar style={styles.avatar} rkType='small' img={user.photo} />
+    </TouchableOpacity>
+  );
+
+  renderDate = (date) => (
+    <RkText style={styles.time} rkType='secondary7 hintColor'>
+      {moment().add(date, 'seconds').format('LT')}
+    </RkText>
+  );
+
+  renderItem = ({ item }) => {
+    const isIncoming = item.type === 'in';
+    const backgroundColor = isIncoming
+      ? RkTheme.current.colors.chat.messageInBackground
+      : RkTheme.current.colors.chat.messageOutBackground;
+    const itemStyle = isIncoming ? styles.itemIn : styles.itemOut;
+
+    return (
+      <View style={[styles.item, itemStyle]}>
+        {!isIncoming && this.renderDate(item.time)}
+        <View style={[styles.balloon, { backgroundColor }]}>
+          <RkText rkType='primary2 mediumLine chat' style={{ paddingTop: 5 }}>{item.text}</RkText>
+        </View>
+        {isIncoming && this.renderDate(item.time)}
+      </View>
+    );
+  };
+
+  render = () => (
+    <RkAvoidKeyboard
+      style={styles.container}
+      onResponderRelease={Keyboard.dismiss}>
+      <FlatList
+        ref={this.setListRef}
+        extraData={this.state}
+        style={styles.list}
+        data={this.state.data.messages}
+        keyExtractor={this.extractItemKey}
+        renderItem={this.renderItem}
+      />
+      <View style={styles.footer}>
+        <RkButton style={styles.plus} rkType='clear'>
+          <RkText rkType='awesome secondaryColor'>{FontAwesome.plus}</RkText>
+        </RkButton>
+        <RkTextInput
+          onFocus={this.scrollToEnd}
+          onBlur={this.scrollToEnd}
+          onChangeText={this.onInputChanged}
+          value={this.state.message}
+          rkType='row sticker'
+          placeholder="Add a comment..."
+        />
+        <RkButton onPress={this.onSendButtonPressed} style={styles.send} rkType='circle highlight'>
+          <Image source={require('../../assets/icons/sendIcon.png')} />
+        </RkButton>
+      </View>
+    </RkAvoidKeyboard>
+
+  )
+}
+
+const styles = RkStyleSheet.create(theme => ({
+  header: {
+    alignItems: 'center',
+  },
+  avatar: {
+    marginRight: 16,
+  },
+  container: {
+    flex: 1,
+    backgroundColor: theme.colors.screen.base,
+  },
+  list: {
+    paddingHorizontal: 17,
+  },
+  footer: {
+    flexDirection: 'row',
+    minHeight: 60,
+    padding: 10,
+    backgroundColor: theme.colors.screen.alter,
+  },
+  item: {
+    marginVertical: 14,
+    flex: 1,
+    flexDirection: 'row',
+  },
+  itemIn: {},
+  itemOut: {
+    alignSelf: 'flex-end',
+  },
+  balloon: {
+    maxWidth: scale(250),
+    paddingHorizontal: 15,
+    paddingTop: 10,
+    paddingBottom: 15,
+    borderRadius: 20,
+  },
+  time: {
+    alignSelf: 'flex-end',
+    margin: 15,
+  },
+  plus: {
+    paddingVertical: 10,
+    paddingHorizontal: 10,
+    marginRight: 7,
+  },
+  send: {
+    width: 40,
+    height: 40,
+    marginLeft: 10,
+  },
+}));
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