Refactor again

src/contexts/CoursesProvider.tsx

@@ -0,0 +1,32 @@
+import React, { useState, createContext, useEffect } from 'react';
+import { Course, Group } from '../types';
+
+interface courseContext {
+  courses: Array<Course>;
+  choosenGroups: Array<Group>;
+  addCourse: (courses: Course) => void;
+  addGroup: (group: Group) => void;
+}
+export const coursesContext = createContext<courseContext | null>(null);
+
+interface CoursesProviderProps {
+  children: React.ReactNode;
+}
+
+export const CoursesProvider = ({ children }: CoursesProviderProps) => {
+  const [courses, setCourses] = useState<Array<Course>>([]);
+  const [choosenGroups, setChoosenGroups] = useState<Array<Group>>([]);
+
+  const addCourse = (course: Course) => {
+    setCourses([...courses, course]);
+  };
+  const addGroup = (group: Group) => {
+    setChoosenGroups([...choosenGroups, group]);
+  };
+
+  return (
+    <coursesContext.Provider value={{ courses, choosenGroups, addCourse, addGroup }}>
+      {children}
+    </coursesContext.Provider>
+  );
+};

src/contexts/LecturesProvider.tsx

@@ -1,32 +0,0 @@
-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

@@ -1,8 +1,6 @@
 export enum Types {
-  addLecture = 'ADD_LECTURE',
-  removeLecture = 'REMOVE_LECTURE',
-  addGroup = 'ADD_GROUP',
-  removeGroup = 'ADD_GROUP',
   addCourse = 'ADD_COURSE',
-  removeCourse = 'REMOVE_COURSE',
+  removecourse = 'REMOVE_COURSE',
+  addGroup = 'ADD_GROUP',
+  removeGroup = 'REMOVE_GROUP',
 }