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import React, {useEffect, useState, useContext} from 'react';
import {ProfilePreviewType} from '../../types';
import {
View,
Text,
Image,
StyleSheet,
ViewProps,
TouchableOpacity,
} from 'react-native';
import {useNavigation} from '@react-navigation/native';
import RNFetchBlob from 'rn-fetch-blob';
import AsyncStorage from '@react-native-community/async-storage';
import {AVATAR_PHOTO_ENDPOINT} from '../../constants';
import {UserType} from '../../types';
import {ProfileContext} from '../../routes/viewProfile';
const NO_USER: UserType = {
userId: '',
username: '',
};
/**
* This component returns user's profile picture followed by username as a touchable component.
* What happens when someone clicks on this component is partly decided by the prop isComment.
* If isComment is true then it means that we are not displaying this tile as a part of search results.
* And hence we do not cache the search results.
* On the other hand, if isComment is false, then we should update the search cache. (This cache needs to be revamped to clear outdated results.)
* In either case, we load the ProfileContext with data and set the getNewMoments flag to true (Which ensures that everything that needs to be displayed on a user's profile is set).
* Finally, We navigate to Profile if we are on the Search Stack. Else we navigate to ProfileView.
*/
interface ProfilePreviewProps extends ViewProps {
profilePreview: ProfilePreviewType;
isComment: boolean;
}
const ProfilePreview: React.FC<ProfilePreviewProps> = ({
profilePreview: {username, first_name, last_name, id},
isComment,
style,
}) => {
const navigation = useNavigation();
const {loadProfile, updateMoments} = useContext(ProfileContext);
const [avatarURI, setAvatarURI] = useState<string | null>(null);
const [user, setUser] = useState<UserType>(NO_USER);
useEffect(() => {
let mounted = true;
const loadAvatar = async () => {
try {
const token = await AsyncStorage.getItem('token');
if (!token) {
setUser(NO_USER);
return;
}
const response = await RNFetchBlob.config({
fileCache: true,
appendExt: 'jpg',
}).fetch('GET', AVATAR_PHOTO_ENDPOINT + `${id}/`, {
Authorization: 'Token ' + token,
});
const status = response.info().status;
if (status === 200) {
if (mounted) {
setAvatarURI(response.path());
}
return;
}
if (mounted) {
setAvatarURI('');
}
} catch (error) {
console.log(error);
}
};
loadAvatar();
return () => {
mounted = false;
};
}, [id]);
/**
* Adds a searched user to the recently searched cache if they're tapped on.
* Cache maintains 10 recently searched users, popping off the oldest one if
* needed to make space.
*/
const addToRecentlyStoredAndNavigateToProfile = async () => {
let user: ProfilePreviewType = {
id,
username,
first_name,
last_name,
};
try {
if (!isComment) {
const jsonValue = await AsyncStorage.getItem(
'@recently_searched_users',
);
let recentlySearchedList =
jsonValue != null ? JSON.parse(jsonValue) : null;
if (recentlySearchedList) {
if (recentlySearchedList.length > 0) {
if (
recentlySearchedList.some(
(saved_user: ProfilePreviewType) => saved_user.id === id,
)
) {
console.log('User already in recently searched.');
} else {
if (recentlySearchedList.length >= 10) {
recentlySearchedList.pop();
}
recentlySearchedList.unshift(user);
}
}
} else {
recentlySearchedList = [user];
}
try {
let recentlySearchedListString = JSON.stringify(recentlySearchedList);
await AsyncStorage.setItem(
'@recently_searched_users',
recentlySearchedListString,
);
} catch (e) {
console.log(e);
}
}
//Load user profile and set new moments to true, navigate to Profile
//Load user profile makes sure that we actually load profile of the user the logged in user want to view
//Set new moments to true makes sure that we download the moment for the user being viewed again.
loadProfile(user.id, user.username);
updateMoments(true);
if (!isComment) {
navigation.navigate('Profile', {
isProfileView: true,
});
} else {
navigation.navigate('ProfileView', {
isProfileView: true,
});
}
} catch (e) {
console.log(e);
}
};
//With @ sign if on search screen.
const usernameToDisplay = !isComment ? `@` + username : username;
const usernameStyle = isComment
? styles.commentUsername
: styles.searchUsername;
const avatarStyle = !isComment ? styles.searchAvatar : styles.commentAvatar;
return (
<TouchableOpacity
onPress={addToRecentlyStoredAndNavigateToProfile}
style={[styles.container, style]}>
<Image
style={avatarStyle}
source={
avatarURI
? {uri: avatarURI}
: require('../../assets/images/avatar-placeholder.png')
}
/>
<View style={styles.nameContainer}>
<Text style={usernameStyle}>{usernameToDisplay}</Text>
{first_name ? (
<Text style={styles.name}>{first_name.concat(' ', last_name)}</Text>
) : (
React.Fragment
)}
</View>
</TouchableOpacity>
);
};
const styles = StyleSheet.create({
container: {
flexDirection: 'row',
alignItems: 'center',
},
searchAvatar: {
height: 60,
width: 60,
borderRadius: 30,
marginRight: 15,
},
commentAvatar: {
height: 40,
width: 40,
borderRadius: 20,
marginRight: 15,
marginTop: '2%',
},
nameContainer: {
justifyContent: 'space-evenly',
alignSelf: 'stretch',
},
searchUsername: {
fontSize: 18,
fontWeight: '500',
},
commentUsername: {
fontSize: 16,
fontWeight: '500',
},
name: {
fontSize: 16,
color: '#333',
},
});
export default ProfilePreview;
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