feat: render courses by selected categoru

src/pages/courses/components/CategoryList/CategoryList.tsx

@@ -3,12 +3,16 @@ import { Box, Flex, Tag, TagLabel } from '@chakra-ui/react';
 import { CoursesPageContext } from 'contexts';
 import CategoryItem from './CategoryItem';
 import { ICategory } from 'interfaces';
+import CategoryListLoading from './CategoryListLoading';
+import { useRootStore } from 'hooks/useRootStore';
 
 type CategoryListPropsType = {
-  categories: ICategory[];
+  categories: ICategory[] | null;
+  isLoading: boolean;
 };
 
-const CategoryList: React.FC<CategoryListPropsType> = ({ categories }) => {
+const CategoryList: React.FC<CategoryListPropsType> = ({ categories, isLoading }) => {
+  const { courseStore } = useRootStore();
   const { selectedCategory, setSelectedCategory } = useContext(CoursesPageContext);
 
   /**
@@ -16,7 +20,12 @@ const CategoryList: React.FC<CategoryListPropsType> = ({ categories }) => {
    */
   useEffect(() => {
     console.log(`[LOG:] Selected category: ${selectedCategory?.title}`);
-  }, [selectedCategory]);
+    courseStore.loadCourses({ category_id: selectedCategory?.id });
+  }, [courseStore, selectedCategory]);
+
+  if (isLoading || categories === null) {
+    return <CategoryListLoading />;
+  }
 
   return (
     <Box mb='5'>

src/pages/courses/components/CourseList/CourseList.tsx

@@ -10,12 +10,18 @@ import { ICourse } from 'interfaces';
  * Components
  */
 import CourseItem from './CourseItem';
+import CourseListLoading from './CourseListLoading';
 
 type CourseListPropsType = {
-  courses: Omit<ICourse, 'teacher' | 'students' | 'lessons'>[];
+  courses: Omit<ICourse, 'teacher' | 'students' | 'lessons'>[] | null;
+  isLoading: boolean;
 };
 
-const CourseList: React.FC<CourseListPropsType> = ({ courses }) => {
+const CourseList: React.FC<CourseListPropsType> = ({ courses, isLoading }) => {
+  if (isLoading || courses === null) {
+    return <CourseListLoading />;
+  }
+
   return (
     <Grid
       templateColumns='repeat(3, 1fr)'

src/pages/courses/components/CourseList/CourseListLoading.tsx

@@ -1,13 +1,11 @@
 import React from 'react';
-import { Grid, Skeleton } from '@chakra-ui/react';
+import { Box, Text } from '@chakra-ui/react';
 
 const CourseListLoading: React.FC = () => {
   return (
-    <Grid templateColumns='repeat(auto-fit, minmax(300px, 1fr))' gap='6'>
-      <Skeleton height='200px' borderRadius='lg' />
-      <Skeleton height='200px' borderRadius='lg' />
-      <Skeleton height='200px' borderRadius='lg' />
-    </Grid>
+    <Box textAlign='center' mt='10' userSelect='none'>
+      <Text color='gray.500'>Wait a second...</Text>
+    </Box>
   );
 };
 

src/pages/courses/index.tsx

@@ -17,8 +17,7 @@ import CategoryList from './components/CategoryList';
 import { useRootStore } from 'hooks/useRootStore';
 import { CoursesPageContextProvider } from 'providers';
 import { useErrorHandler } from 'react-error-boundary';
-import CategoryListLoading from './components/CategoryList/CategoryListLoading';
-import CourseListLoading from './components/CourseList/CourseListLoading';
+import LoadingPage from 'components/LoadingPage';
 
 /**
  * Courses page
@@ -34,14 +33,11 @@ const CoursesPage: React.FC<IPageProps> = ({ title }) => {
   useEffect(() => {
     if (me !== null) {
       categoryStore.loadCategories().catch(error => handleError(error));
-      courseStore.loadCourses().catch(error => handleError(error));
+      // courseStore.loadCourses().catch(error => handleError(error));
     }
-  }, [me, categoryStore, courseStore, handleError]);
+  }, [me, categoryStore, handleError]);
 
-  /**
-   * TODO: Loading page for courses
-   */
-  if (me === null) return null;
+  if (me === null) return <LoadingPage />;
 
   return (
     <CoursesPageContextProvider>
@@ -68,15 +64,8 @@ const CoursesPage: React.FC<IPageProps> = ({ title }) => {
             </Tabs>
           )}
           <Box mt='5'>
-            {/* Category List Rendering */}
-            {categoryStore.categories !== null ? (
-              <CategoryList categories={categoryStore.categories} />
-            ) : (
-              <CategoryListLoading />
-            )}
-
-            {/* Course List Rendering */}
-            {courseStore.courses !== null ? <CourseList courses={courseStore.courses} /> : <CourseListLoading />}
+            <CategoryList categories={categoryStore.categories} isLoading={categoryStore.isLoading} />
+            <CourseList courses={courseStore.courses} isLoading={courseStore.isLoading} />
           </Box>
         </Box>
       </Box>

src/services/CourseService.ts

@@ -1,6 +1,19 @@
 import { AxiosInstance } from 'axios';
+import { CourseStatusEnum } from 'enums';
 import { IApiRespose, ICourse } from 'interfaces';
 
+export type FetchCoursesParams = {
+  /**
+   * Get courses by status
+   */
+  status?: CourseStatusEnum;
+
+  /**
+   * Get courses with category by id
+   */
+  category_id?: string;
+};
+
 export class CourseService {
   public api: AxiosInstance;
 
@@ -13,8 +26,15 @@ export class CourseService {
    *
    * @returns Array of courses
    */
-  public async fetchAll(): Promise<IApiRespose<Omit<ICourse, 'teacher' | 'students' | 'lessons'>[]>> {
-    const result = await this.api.get('/v1/courses');
+  public async fetchAll(
+    params?: FetchCoursesParams
+  ): Promise<IApiRespose<Omit<ICourse, 'teacher' | 'students' | 'lessons'>[]>> {
+    const result = await this.api.get('/v1/courses', {
+      params: {
+        status: params?.status,
+        category_id: params?.category_id,
+      },
+    });
     return result.data;
   }
 }

src/stores/CategoryStore.ts

@@ -11,14 +11,21 @@ export default class CategoryStore {
 
   public categories: ICategory[] | null = null;
 
+  public isLoading: boolean = false;
+
   constructor(root: RootStore, api: AxiosInstance) {
     this.root = root;
     this.categoryService = new CategoryService(api);
     makeAutoObservable(this);
   }
 
+  public setLoading(loading: boolean) {
+    this.isLoading = loading;
+  }
+
   public async loadCategories() {
     try {
+      this.setLoading(true);
       const result = await this.categoryService.fetchAll();
       console.log(`[${this.constructor.name}]: ${result.message}`, result);
 
@@ -29,6 +36,8 @@ export default class CategoryStore {
       return result;
     } catch (error: any) {
       throw error;
+    } finally {
+      this.setLoading(false);
     }
   }
 }

src/stores/CourseStore.ts

@@ -1,7 +1,7 @@
 import { AxiosInstance } from 'axios';
 import { ICourse } from 'interfaces';
 import { makeAutoObservable, runInAction } from 'mobx';
-import { CourseService } from 'services/CourseService';
+import { CourseService, FetchCoursesParams } from 'services/CourseService';
 import RootStore from './RootStore';
 
 export default class CourseStore {
@@ -11,15 +11,22 @@ export default class CourseStore {
 
   public courses: Omit<ICourse, 'teacher' | 'students' | 'lessons'>[] | null = null;
 
+  public isLoading: boolean = false;
+
   constructor(root: RootStore, api: AxiosInstance) {
     this.root = root;
     this.courseService = new CourseService(api);
     makeAutoObservable(this);
   }
 
-  public async loadCourses() {
+  public setLoading(loading: boolean) {
+    this.isLoading = loading;
+  }
+
+  public async loadCourses(params?: FetchCoursesParams) {
     try {
-      const result = await this.courseService.fetchAll();
+      this.setLoading(true);
+      const result = await this.courseService.fetchAll(params);
       console.log(`[${this.constructor.name}]: ${result.message}`, result);
 
       runInAction(() => {
@@ -29,6 +36,8 @@ export default class CourseStore {
       return result;
     } catch (error: any) {
       throw error;
+    } finally {
+      this.setLoading(false);
     }
   }
 }