Major refactoring

src/contexts/CASProvider.tsx

@@ -0,0 +1,48 @@
+import React, { useState, useEffect } from 'react';
+import { User } from '../types';
+
+export interface CASContext {
+  user: User | null;
+  logout: () => void;
+}
+
+export const CASContext = React.createContext<CASContext | null>(null);
+
+export interface CASProviderProps {
+  children: React.ReactNode;
+}
+
+export const CASProvider = ({ children }: CASProviderProps) => {
+  const [user, setUser] = useState<User | null>(null);
+
+  useEffect(() => {
+    login();
+  }, []);
+
+  function login() {
+    const urlParams = new URLSearchParams(window.location.search);
+    const ticket = urlParams.get('ticket');
+
+    if (!ticket) {
+      redirectToCASLoginService();
+    }
+    if (ticket) {
+      console.log(`Ticket is: ${ticket}`);
+      setUser({ ...user, ticket: ticket });
+    }
+  }
+
+  function logout() {
+    redirectToCASLogoutService();
+  }
+
+  function redirectToCASLogoutService() {
+    window.location.replace(`https://cas.amu.edu.pl/cas/logout?service=${window.origin}`);
+  }
+
+  function redirectToCASLoginService() {
+    window.location.replace(`https://cas.amu.edu.pl/cas/login?service=${window.origin}&locale=pl`);
+  }
+
+  return <CASContext.Provider value={{ user, logout }}>{children}</CASContext.Provider>;
+};

src/contexts/LecturesProvider.tsx

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+import React, { useState, createContext } from 'react';
+import { Lecture, Group } from '../types';
+
+interface LectureContext {
+  lectures: Array<Lecture>;
+  choosenGroups: Array<Group>;
+  addLecture: (lectures: Lecture) => void;
+  addGroup: (group: Group) => void;
+}
+export const LecturesContext = createContext<LectureContext | null>(null);
+
+interface LecturesProviderProps {
+  children: React.ReactNode;
+}
+
+export const LecturesProvider = ({ children }: LecturesProviderProps) => {
+  const [lectures, setLectures] = useState<Array<Lecture>>([]);
+  const [choosenGroups, setChoosenGroups] = useState<Array<Group>>([]);
+
+  const addLecture = (lecture: Lecture) => {
+    setLectures([...lectures, lecture]);
+  };
+  const addGroup = (group: Group) => {
+    setChoosenGroups([...choosenGroups, group]);
+  };
+
+  return (
+    <LecturesContext.Provider value={{ lectures, choosenGroups, addLecture, addGroup }}>
+      {children}
+    </LecturesContext.Provider>
+  );
+};

src/contexts/reducers.ts

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+export enum Types {
+  addLecture = 'ADD_LECTURE',
+  removeLecture = 'REMOVE_LECTURE',
+  addGroup = 'ADD_GROUP',
+  removeGroup = 'ADD_GROUP',
+  addCourse = 'ADD_COURSE',
+  removeCourse = 'REMOVE_COURSE',
+}