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import AsyncStorage from '@react-native-community/async-storage';
import React, {useCallback, useEffect, useState} from 'react';
import {LayoutChangeEvent, StyleSheet, View} from 'react-native';
import Animated from 'react-native-reanimated';
import {AuthContext, ProfileContext} from '../../routes/';
import {MomentType} from 'src/types';
import {defaultMoments} from '../../constants';
import {SCREEN_HEIGHT} from '../../utils';
import TaggsBar from '../taggs/TaggsBar';
import {Moment} from '../moments';
import ProfileBody from './ProfileBody';
import ProfileCutout from './ProfileCutout';
import ProfileHeader from './ProfileHeader';
import {followOrUnfollowUser} from '../../services';
interface ContentProps {
y: Animated.Value<number>;
isProfileView: boolean;
}
const Content: React.FC<ContentProps> = ({y, isProfileView}) => {
const [profileBodyHeight, setProfileBodyHeight] = useState(0);
const {user, moments, followers, following, updateFollowers} = isProfileView
? React.useContext(ProfileContext)
: React.useContext(AuthContext);
const {logout} = React.useContext(AuthContext);
const {
user: loggedInUser,
updateFollowers: updateLoggedInUserFollowers,
} = React.useContext(AuthContext);
/**
* States
*/
const [imagesMap, setImagesMap] = useState<Map<string, MomentType[]>>(
new Map(),
);
const [followed, setFollowed] = React.useState<boolean>(false);
/**
* If own profile is being viewed then do not show the follow button.
*/
const isOwnProfile = loggedInUser.username === user.username;
const onLayout = (e: LayoutChangeEvent) => {
const {height} = e.nativeEvent.layout;
setProfileBodyHeight(height);
};
const {userId} = user;
const createImagesMap = useCallback(() => {
var map = new Map();
moments.forEach(function (imageObject) {
var moment_category = imageObject.moment_category;
if (map.has(moment_category)) {
map.get(moment_category).push(imageObject);
} else {
map.set(moment_category, [imageObject]);
}
});
setImagesMap(map);
}, [moments]);
useEffect(() => {
if (!userId) {
return;
}
createImagesMap();
}, [createImagesMap]);
/**
* This hook is called load of profile and when you push update the followers list.
*/
useEffect(() => {
if (!userId) {
return;
}
const isActuallyFollowed = followers.some(
(follower) => follower.username === loggedInUser.username,
);
if (followed != isActuallyFollowed) {
setFollowed(isActuallyFollowed);
}
}, [followers]);
/**
* Handles a click on the follow / unfollow button.
*/
const handleFollowUnfollow = async () => {
const token = await AsyncStorage.getItem('token');
if (!token) {
logout();
return;
}
const isUpdatedSuccessful = await followOrUnfollowUser(
loggedInUser.userId,
userId,
token,
followed,
);
if (isUpdatedSuccessful) {
setFollowed(!followed);
updateFollowers(true);
updateLoggedInUserFollowers(true);
}
};
return (
<Animated.ScrollView
style={styles.container}
onScroll={(e) => y.setValue(e.nativeEvent.contentOffset.y)}
showsVerticalScrollIndicator={false}
scrollEventThrottle={1}>
<ProfileCutout />
<ProfileHeader
isProfileView={isProfileView}
numFollowing={following.length}
numFollowers={followers.length}
/>
<ProfileBody
{...{
onLayout,
isProfileView,
isOwnProfile,
followed,
handleFollowUnfollow,
}}
/>
<TaggsBar {...{y, profileBodyHeight, isProfileView}} />
<View style={styles.momentsContainer}>
{defaultMoments.map((title, index) => (
<Moment
key={index}
title={title}
images={imagesMap.get(title)}
isProfileView={isProfileView}
/>
))}
</View>
</Animated.ScrollView>
);
};
const styles = StyleSheet.create({
container: {
flex: 1,
},
momentsContainer: {
backgroundColor: '#f2f2f2',
paddingBottom: SCREEN_HEIGHT / 10,
},
});
export default Content;
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