61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
import React, { useEffect } from 'react';
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import { useDispatch, useSelector } from 'react-redux';
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import { useParams } from 'react-router';
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import { selectCourseTopics, selectTopicFilter } from './data/selectors';
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import { fetchCourseTopics } from './data/thunks';
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import TopicGroup from './topic-group/TopicGroup';
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import TopicSearchBar from './topic-search-bar/TopicSearchBar';
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function TopicsView() {
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const dispatch = useDispatch();
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const { courseId, category } = useParams();
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const {
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coursewareTopics,
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nonCoursewareTopics,
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} = useSelector(selectCourseTopics());
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const filter = useSelector(selectTopicFilter());
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const topics = (
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category
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? coursewareTopics.filter(topic => topic.name === category)
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: coursewareTopics
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);
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useEffect(() => {
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// The courseId from the URL is the course we WANT to load.
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dispatch(fetchCourseTopics(courseId));
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}, [courseId]);
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const topicElements = topics.map(
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topicGroup => (
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<TopicGroup
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id={topicGroup.name}
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name={topicGroup.name}
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subtopics={topicGroup.children}
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key={topicGroup.id ?? topicGroup.name}
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filter={filter}
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/>
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),
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);
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if (nonCoursewareTopics && category === undefined) {
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topicElements.unshift(<TopicGroup subtopics={nonCoursewareTopics} filter={filter} key="non-courseware" />);
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}
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return (
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<div
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className="discussion-topics d-flex flex-column card"
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data-testid="topics-view"
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>
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<TopicSearchBar />
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<div className="list-group list-group-flush">
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{topicElements}
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</div>
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</div>
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);
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}
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TopicsView.propTypes = {};
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export default TopicsView;
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