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import {
RouteProp,
useFocusEffect,
useNavigation,
} from '@react-navigation/native';
import React, {useCallback, useEffect, useState} from 'react';
import {StyleSheet, View} from 'react-native';
import {SafeAreaView} from 'react-native-safe-area-context';
import {TabsGradient} from '../../components';
import {AddComment} from '../../components/';
import CommentsContainer from '../../components/comments/CommentsContainer';
import {ADD_COMMENT_TEXT} from '../../constants/strings';
import {headerBarOptions, MainStackParams} from '../../routes/main';
import {CommentThreadType, CommentType} from '../../types';
import {HeaderHeight, SCREEN_HEIGHT, SCREEN_WIDTH} from '../../utils';
/**
* Comments Screen for an image uploaded
* Displays all comments for a particular moment uploaded by the user followed by a text area to add the comment.
* Comment is posted when return is pressed on the keypad.
*/
type MomentCommentsScreenRouteProps = RouteProp<
MainStackParams,
'MomentCommentsScreen'
>;
interface MomentCommentsScreenProps {
route: MomentCommentsScreenRouteProps;
}
type MomentCommentContextType = {
commentTapped: CommentType | CommentThreadType | undefined;
setCommentTapped: (
comment: CommentType | CommentThreadType | undefined,
) => void;
shouldUpdateAllComments: boolean;
setShouldUpdateAllComments: (available: boolean) => void;
};
export const CommentContext = React.createContext(
{} as MomentCommentContextType,
);
const MomentCommentsScreen: React.FC<MomentCommentsScreenProps> = ({route}) => {
const navigation = useNavigation();
const {moment_id, screenType, comment_id} = route.params;
//Receives comment length from child CommentsContainer
const [commentsLength, setCommentsLength] = useState<number>(0);
const [shouldUpdateAllComments, setShouldUpdateAllComments] =
React.useState(true);
//Keeps track of the current comments object in focus so that the application knows which comment to post a reply to
const [commentTapped, setCommentTapped] = useState<
CommentType | CommentThreadType | undefined
>();
useFocusEffect(
useCallback(() => {
navigation.dangerouslyGetParent()?.setOptions({
tabBarVisible: false,
});
return () => {
navigation.dangerouslyGetParent()?.setOptions({
tabBarVisible: true,
});
};
}, [navigation]),
);
useEffect(() => {
navigation.setOptions({
...headerBarOptions('black', `${commentsLength} Comments`),
});
}, [commentsLength, navigation]);
return (
<CommentContext.Provider
value={{
commentTapped,
setCommentTapped,
shouldUpdateAllComments,
setShouldUpdateAllComments,
}}>
<View style={styles.background}>
<SafeAreaView>
<View style={styles.body}>
<CommentsContainer
objectId={moment_id}
commentId={comment_id}
screenType={screenType}
shouldUpdate={shouldUpdateAllComments}
setShouldUpdate={setShouldUpdateAllComments}
isThread={false}
setCommentsLengthParent={setCommentsLength}
/>
<AddComment
placeholderText={
!commentTapped
? ADD_COMMENT_TEXT()
: ADD_COMMENT_TEXT(commentTapped.commenter.username)
}
momentId={moment_id}
/>
</View>
</SafeAreaView>
<TabsGradient />
</View>
</CommentContext.Provider>
);
};
const styles = StyleSheet.create({
background: {
backgroundColor: 'white',
height: '100%',
},
body: {
marginTop: HeaderHeight,
width: SCREEN_WIDTH * 0.95,
height: SCREEN_HEIGHT * 0.8,
paddingTop: '3%',
},
});
export default MomentCommentsScreen;
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