64 lines
2.0 KiB
TypeScript
64 lines
2.0 KiB
TypeScript
import React, { useState, createContext, useEffect } from 'react';
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import { Course, Group, Basket, GroupType } from '../types';
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import axios from 'axios';
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interface CourseContext {
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courses: Array<Course>;
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basket: Array<Basket>;
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addToBasket: (courses: Basket) => void;
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addGroup: (group: Group, id: number) => void;
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}
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export const coursesContext = createContext<CourseContext | null>(null);
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interface CoursesProviderProps {
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children: React.ReactNode;
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}
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export const CoursesProvider = ({ children }: CoursesProviderProps) => {
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//fetch courses with groups
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const [courses, setCourses] = useState<Array<Course>>([]);
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const [basket, setBasket] = useState<Array<Basket>>([]);
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const addToBasket = (course: Basket) => setBasket([...basket, course]);
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useEffect(() => {
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console.log('BASKET');
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console.log(basket);
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}, [basket]);
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//immutability
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const addGroup = (choosenGroup: Group, id: number) => {
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const basketCourse = basket.filter((course) => course.id === id)[0];
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const type = choosenGroup.type;
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if (type === GroupType.CLASS) {
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setBasket(
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basket.map((basket) => (basket.id === basketCourse.id ? { ...basket, classes: choosenGroup } : basket)),
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);
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} else if (type === GroupType.LECTURE) {
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setBasket(
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basket.map((basket) => (basket.id === basketCourse.id ? { ...basket, lecture: choosenGroup } : basket)),
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);
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}
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};
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useEffect(() => {
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const fetchData = async () => {
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const { data: courses } = await axios.get(`${process.env.REACT_APP_API_URL}/getCourses`);
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for (const course of courses) {
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const { data: groups } = await axios.get(`${process.env.REACT_APP_API_URL}/getCourseGroups?id=${course.id}`);
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//porozmawiać z Filipem, żeby odrobinę przerobił endpoint
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course.groups = groups;
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}
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setCourses(courses);
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};
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fetchData();
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}, []);
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return (
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<coursesContext.Provider value={{ courses, basket, addToBasket, addGroup }}>{children}</coursesContext.Provider>
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);
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};
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