|
1 | | -import React, { useEffect } from 'react'; |
| 1 | +import React, { useEffect, useCallback } from 'react'; |
2 | 2 | import { observer } from "mobx-react-lite"; |
3 | 3 | import { useState } from 'react'; |
4 | 4 | import CoursePagePopup from '../views/Components/CoursePagePopup.jsx'; |
5 | 5 | import PrerequisitePresenter from './PrerequisitePresenter.jsx'; |
6 | 6 | import { ReviewPresenter } from "../presenters/ReviewPresenter.jsx"; |
7 | 7 | import SearchbarView from "../views/SearchbarView.jsx"; |
| 8 | +import Fuse from 'fuse.js' |
| 9 | +import debounce from 'lodash.debounce'; |
8 | 10 |
|
9 | 11 | const SearchbarPresenter = observer(({ model }) => { |
10 | 12 |
|
11 | | - const searchCourses = (query) => { |
12 | | - //model.filteredCourses is essentially a smaller subset of model.courses, if theres no filters, it should be the same |
13 | | - console.log("---------------search recalculated"); |
14 | | - console.log("filtered courses length: ", model.filteredCourses.length); |
15 | | - const searchResults = model.filteredCourses.filter(course => |
16 | | - course.code.toLowerCase().includes(query.toLowerCase()) || |
17 | | - course.name.toLowerCase().includes(query.toLowerCase()) || |
18 | | - course.description?.toLowerCase().includes(query.toLowerCase()) |
19 | | - ); |
20 | | - model.setCurrentSearchText(query); |
21 | | - model.setCurrentSearch(searchResults); |
22 | | - console.log(model.currentSearch.length); |
| 13 | + const [searchQuery, setSearchQuery] = useState(""); |
| 14 | + |
| 15 | + const fuseOptions = { |
| 16 | + keys: [ |
| 17 | + { name: 'code', weight: 0.6 }, |
| 18 | + { name: 'name', weight: 0.3 }, |
| 19 | + { name: 'description', weight: 0.1 }, |
| 20 | + ], |
| 21 | + threshold: 0.3, // adjust this for sensitivity |
| 22 | + ignoreLocation: true, |
| 23 | + minMatchCharLength: 2, |
23 | 24 | }; |
24 | 25 |
|
| 26 | + // Debounced search function |
| 27 | + const searchCourses = useCallback(debounce((query) => { |
| 28 | + if (!query.trim()) { |
| 29 | + model.setCurrentSearch(model.filteredCourses); |
| 30 | + } else { |
| 31 | + const fuse = new Fuse(model.filteredCourses, fuseOptions); |
| 32 | + const results = fuse.search(query).map((r) => r.item); |
| 33 | + model.setCurrentSearch(results); |
| 34 | + } |
| 35 | + }, 500), []); |
| 36 | + |
25 | 37 | const addFavourite = (course) => { |
26 | 38 | model.addFavourite(course); |
27 | 39 | }; |
@@ -54,7 +66,6 @@ const SearchbarPresenter = observer(({ model }) => { |
54 | 66 | const [selectedCourse, setSelectedCourse] = useState(null); |
55 | 67 | const preP = <PrerequisitePresenter model={model} selectedCourse={selectedCourse} />; |
56 | 68 | const reviewPresenter = <ReviewPresenter model={model} course={selectedCourse} />; |
57 | | - const [searchQuery, setSearchQuery] = useState(""); |
58 | 69 |
|
59 | 70 | const popup = <CoursePagePopup |
60 | 71 | favouriteCourses={model.favourites} |
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