From a831810487b07d1137a144ad6c7719249a752a59 Mon Sep 17 00:00:00 2001
From: Arik Chakma <arikchangma@gmail.com>
Date: Wed, 16 Oct 2024 21:55:23 +0600
Subject: [PATCH] wip

---
 src/components/Course/ChallengeView.tsx       | 60 ++++++-----
 src/components/Course/Chapter.tsx             | 87 +++++++++++++---
 src/components/Course/CourseLayout.tsx        |  8 +-
 src/components/Course/CourseSidebar.tsx       | 20 +++-
 src/components/Course/LessonView.tsx          | 29 +++++-
 src/components/Course/QuizView.tsx            | 99 +++++++------------
 .../introduction/lessons/challenge-1.md       |  4 +-
 .../chapters/introduction/lessons/quiz-1.md   | 67 +++++++++++++
 src/layouts/SkeletonLayout.astro              |  2 +-
 src/lib/course.ts                             | 10 ++
 .../[courseId]/[chapterId]/[lessonId].astro   | 56 ++++++++++-
 src/pages/learn-sql/index.astro               | 27 -----
 12 files changed, 321 insertions(+), 148 deletions(-)
 create mode 100644 src/data/courses/sql/chapters/introduction/lessons/quiz-1.md
 delete mode 100644 src/pages/learn-sql/index.astro

diff --git a/src/components/Course/ChallengeView.tsx b/src/components/Course/ChallengeView.tsx
index 5938d8e68..af32ad66f 100644
--- a/src/components/Course/ChallengeView.tsx
+++ b/src/components/Course/ChallengeView.tsx
@@ -3,36 +3,46 @@ import {
   ResizablePanel,
   ResizablePanelGroup,
 } from '../Resizable';
-import { CourseSidebar, type CourseSidebarProps } from './CourseSidebar';
+import { CourseSidebar } from './CourseSidebar';
 import { CourseLayout } from './CourseLayout';
-import {
-  SqlCodeEditor,
-  type SqlCodeEditorProps,
-} from '../SqlCodeEditor/SqlCodeEditor';
+import { SqlCodeEditor } from '../SqlCodeEditor/SqlCodeEditor';
 import type { ReactNode } from 'react';
+import type {
+  ChapterFileType,
+  CourseFileType,
+  LessonFileType,
+} from '../../lib/course';
+
+type ChallengeViewProps = {
+  courseId: string;
+  chapterId: string;
+  lessonId: string;
 
-type ChallengeViewProps = SqlCodeEditorProps &
-  CourseSidebarProps & {
-    children: ReactNode;
+  title: string;
+  course: CourseFileType & {
+    chapters: ChapterFileType[];
   };
+  lesson: LessonFileType;
+  children: ReactNode;
+};
 
 export function ChallengeView(props: ChallengeViewProps) {
-  const {
-    children,
-    title,
-    chapters,
-    completedPercentage,
-    ...sqlCodeEditorProps
-  } = props;
+  const { children, title, course, lesson, courseId, lessonId, chapterId } =
+    props;
+  const { chapters } = course;
 
-  return (
-    <CourseLayout>
-      <CourseSidebar
-        title={title}
-        chapters={chapters}
-        completedPercentage={completedPercentage}
-      />
+  const { frontmatter } = lesson;
+  const { defaultValue, initSteps, expectedResults } = frontmatter;
 
+  return (
+    <CourseLayout
+      courseId={courseId}
+      chapterId={chapterId}
+      lessonId={lesson.id}
+      title={title}
+      chapters={chapters}
+      completedPercentage={0}
+    >
       <ResizablePanelGroup direction="horizontal">
         <ResizablePanel defaultSize={60} minSize={20}>
           <div className="relative h-full">
@@ -45,7 +55,11 @@ export function ChallengeView(props: ChallengeViewProps) {
         <ResizableHandle withHandle={true} />
 
         <ResizablePanel defaultSize={40} minSize={20}>
-          <SqlCodeEditor {...sqlCodeEditorProps} />
+          <SqlCodeEditor
+            defaultValue={defaultValue}
+            initSteps={initSteps}
+            expectedResults={expectedResults}
+          />
         </ResizablePanel>
       </ResizablePanelGroup>
     </CourseLayout>
diff --git a/src/components/Course/Chapter.tsx b/src/components/Course/Chapter.tsx
index 756283d86..22447115b 100644
--- a/src/components/Course/Chapter.tsx
+++ b/src/components/Course/Chapter.tsx
@@ -1,17 +1,16 @@
 import { Check } from 'lucide-react';
 import { cn } from '../../lib/classname';
-import type {
-  ChallengeFileType,
-  ChapterFileType,
-  LessonFileType,
-  QuizFileType,
-} from '../../lib/course';
+import type { ChapterFileType, LessonFileType } from '../../lib/course';
+import { useMemo } from 'react';
 
 type ChapterProps = ChapterFileType & {
   index: number;
   isActive?: boolean;
   isCompleted?: boolean;
 
+  courseId: string;
+  chapterId: string;
+  lessonId?: string;
   onChapterClick?: () => void;
 };
 
@@ -20,12 +19,35 @@ export function Chapter(props: ChapterProps) {
     index,
     frontmatter,
     lessons,
-    exercises,
     isActive = false,
     onChapterClick,
+
+    courseId,
+    chapterId,
+    lessonId,
   } = props;
   const { title } = frontmatter;
 
+  const exercises = useMemo(
+    () =>
+      lessons
+        ?.filter(
+          (lesson) =>
+            lesson.frontmatter.type === 'quiz' ||
+            lesson.frontmatter.type === 'challenge',
+        )
+        ?.sort((a, b) => a.frontmatter.order - b.frontmatter.order) || [],
+    [lessons],
+  );
+
+  const filteredLessons = useMemo(
+    () =>
+      lessons
+        ?.filter((lesson) => lesson.frontmatter.type === 'lesson')
+        ?.sort((a, b) => a.frontmatter.order - b.frontmatter.order) || [],
+    [lessons],
+  );
+
   return (
     <div>
       <button
@@ -44,9 +66,20 @@ export function Chapter(props: ChapterProps) {
       {isActive && (
         <div className="flex flex-col border-b border-zinc-800">
           <div>
-            {lessons.map((lesson) => (
-              <Lesson key={lesson.id} {...lesson} isCompleted={false} />
-            ))}
+            {filteredLessons?.map((lesson) => {
+              const isActive = lessonId === lesson.id;
+
+              return (
+                <Lesson
+                  key={lesson.id}
+                  {...lesson}
+                  courseId={courseId}
+                  chapterId={chapterId}
+                  isActive={isActive}
+                  isCompleted={false}
+                />
+              );
+            })}
           </div>
 
           <div className="relative">
@@ -58,9 +91,20 @@ export function Chapter(props: ChapterProps) {
           </div>
 
           <div>
-            {exercises.map((exercise) => (
-              <Lesson key={exercise.id} {...exercise} isCompleted={false} />
-            ))}
+            {exercises?.map((exercise) => {
+              const isActive = lessonId === exercise.id;
+
+              return (
+                <Lesson
+                  key={exercise.id}
+                  {...exercise}
+                  courseId={courseId}
+                  chapterId={chapterId}
+                  isActive={isActive}
+                  isCompleted={false}
+                />
+              );
+            })}
           </div>
         </div>
       )}
@@ -68,21 +112,34 @@ export function Chapter(props: ChapterProps) {
   );
 }
 
-type LessonProps = (LessonFileType | QuizFileType | ChallengeFileType) & {
+type LessonProps = LessonFileType & {
+  courseId: string;
+  chapterId: string;
+
   isActive?: boolean;
   isCompleted?: boolean;
 };
 
 export function Lesson(props: LessonProps) {
-  const { frontmatter, isCompleted, isActive } = props;
+  const {
+    frontmatter,
+    isCompleted,
+    isActive,
+    courseId,
+    chapterId,
+    id: lessonId,
+  } = props;
   const { title } = frontmatter;
 
+  const href = `/courses/${courseId}/${chapterId}/${lessonId}`;
+
   return (
     <a
       className={cn(
         'relative flex w-full items-center gap-2 p-2 text-sm text-zinc-600',
         isActive && 'bg-zinc-800 text-white',
       )}
+      href={href}
     >
       <div className="relative z-10 flex size-5 items-center justify-center rounded-full bg-zinc-700 text-xs text-white">
         {isCompleted && <Check className="h-4 w-4" />}
diff --git a/src/components/Course/CourseLayout.tsx b/src/components/Course/CourseLayout.tsx
index e0e35d149..838c91156 100644
--- a/src/components/Course/CourseLayout.tsx
+++ b/src/components/Course/CourseLayout.tsx
@@ -1,12 +1,16 @@
+import { CourseSidebar, type CourseSidebarProps } from './CourseSidebar';
+
 type CourseLayoutProps = {
   children: React.ReactNode;
-};
+} & CourseSidebarProps;
 
 export function CourseLayout(props: CourseLayoutProps) {
-  const { children } = props;
+  const { children, ...sidebarProps } = props;
 
   return (
     <section className="grid h-screen grid-cols-[240px_1fr] overflow-hidden bg-zinc-900 text-zinc-50">
+      <CourseSidebar {...sidebarProps} />
+      
       {children}
     </section>
   );
diff --git a/src/components/Course/CourseSidebar.tsx b/src/components/Course/CourseSidebar.tsx
index b13a4cb3f..91d1a902f 100644
--- a/src/components/Course/CourseSidebar.tsx
+++ b/src/components/Course/CourseSidebar.tsx
@@ -3,6 +3,10 @@ import type { ChapterFileType } from '../../lib/course';
 import { Chapter } from './Chapter';
 
 export type CourseSidebarProps = {
+  courseId: string;
+  chapterId: string;
+  lessonId: string;
+
   title: string;
   chapters: ChapterFileType[];
 
@@ -10,9 +14,16 @@ export type CourseSidebarProps = {
 };
 
 export function CourseSidebar(props: CourseSidebarProps) {
-  const { title, chapters, completedPercentage } = props;
+  const {
+    title,
+    chapters,
+    completedPercentage,
+    chapterId,
+    lessonId,
+    courseId,
+  } = props;
 
-  const [activeChapterId, setActiveChapterId] = useState('');
+  const [activeChapterId, setActiveChapterId] = useState(chapterId);
 
   return (
     <aside className="border-r border-zinc-800">
@@ -27,7 +38,7 @@ export function CourseSidebar(props: CourseSidebarProps) {
 
       <div className="relative h-full">
         <div className="absolute inset-0 overflow-y-auto [scrollbar-color:#3f3f46_#27272a;]">
-          {chapters.map((chapter, index) => {
+          {chapters?.map((chapter, index) => {
             const isActive = activeChapterId === chapter.id;
 
             return (
@@ -43,6 +54,9 @@ export function CourseSidebar(props: CourseSidebarProps) {
                 }}
                 index={index + 1}
                 {...chapter}
+                courseId={courseId}
+                chapterId={chapterId}
+                lessonId={lessonId}
               />
             );
           })}
diff --git a/src/components/Course/LessonView.tsx b/src/components/Course/LessonView.tsx
index 5c25ec25b..32b39f587 100644
--- a/src/components/Course/LessonView.tsx
+++ b/src/components/Course/LessonView.tsx
@@ -3,18 +3,39 @@ import { CourseSidebar } from './CourseSidebar';
 import { CourseLayout } from './CourseLayout';
 import { Circle, CircleCheck, CircleX } from 'lucide-react';
 import { cn } from '../../lib/classname';
+import type {
+  ChapterFileType,
+  CourseFileType,
+  LessonFileType,
+} from '../../lib/course';
 
 type LessonViewProps = {
+  courseId: string;
+  chapterId: string;
+  lessonId: string;
+
+  title: string;
+  course: CourseFileType & {
+    chapters: ChapterFileType[];
+  };
+  lesson: LessonFileType;
   children: ReactNode;
 };
 
 export function LessonView(props: LessonViewProps) {
-  const { children } = props;
+  const { children, title, course, lesson, courseId, lessonId, chapterId } =
+    props;
+  const { chapters } = course;
 
   return (
-    <CourseLayout>
-      <CourseSidebar />
-
+    <CourseLayout
+      courseId={courseId}
+      chapterId={chapterId}
+      lessonId={lesson.id}
+      title={title}
+      chapters={chapters}
+      completedPercentage={0}
+    >
       <div className="relative h-full">
         <div className="absolute inset-0 overflow-y-auto [scrollbar-color:#3f3f46_#27272a;]">
           <div className="mx-auto max-w-xl p-4 py-10">{children}</div>
diff --git a/src/components/Course/QuizView.tsx b/src/components/Course/QuizView.tsx
index a28bc6449..49932e887 100644
--- a/src/components/Course/QuizView.tsx
+++ b/src/components/Course/QuizView.tsx
@@ -3,69 +3,31 @@ import { CourseSidebar } from './CourseSidebar';
 import { CourseLayout } from './CourseLayout';
 import { Circle, CircleCheck, CircleX } from 'lucide-react';
 import { cn } from '../../lib/classname';
+import type {
+  ChapterFileType,
+  CourseFileType,
+  LessonFileType,
+} from '../../lib/course';
+
+type QuizViewProps = {
+  courseId: string;
+  chapterId: string;
+  lessonId: string;
+
+  title: string;
+  course: CourseFileType & {
+    chapters: ChapterFileType[];
+  };
+  lesson: LessonFileType;
+};
+
+export function QuizView(props: QuizViewProps) {
+  const { title, course, lesson, courseId, lessonId, chapterId } = props;
+  const { chapters } = course;
+
+  const { frontmatter } = lesson;
+  const { questions = [] } = frontmatter;
 
-const questions = [
-  {
-    id: 1,
-    title:
-      'Which of the following SQL clauses is used to filter results after the GROUP BY clause?',
-    options: [
-      { id: 1, text: 'WHERE' },
-      { id: 2, text: 'HAVING', isCorrectOption: true },
-      { id: 3, text: 'GROUP BY' },
-      { id: 4, text: 'ORDER BY' },
-    ],
-  },
-  {
-    id: 2,
-    title:
-      'Which SQL function is used to return the first non-null expression?',
-    options: [
-      { id: 1, text: 'COALESCE', isCorrectOption: true },
-      { id: 2, text: 'IFNULL' },
-      { id: 3, text: 'NULLIF' },
-      { id: 4, text: 'NVL' },
-    ],
-  },
-  {
-    id: 3,
-    title: 'What is the purpose of an SQL CTE (Common Table Expression)?',
-    options: [
-      {
-        id: 1,
-        text: 'To create temporary tables that last for the duration of a query',
-        isCorrectOption: true,
-      },
-      { id: 2, text: 'To define reusable views' },
-      { id: 3, text: 'To encapsulate subqueries' },
-      { id: 4, text: 'To optimize the execution of queries' },
-    ],
-  },
-  {
-    id: 4,
-    title:
-      'In an SQL window function, which clause defines the subset of rows to apply the function on?',
-    options: [
-      { id: 1, text: 'ORDER BY' },
-      { id: 2, text: 'PARTITION BY', isCorrectOption: true },
-      { id: 3, text: 'GROUP BY' },
-      { id: 4, text: 'DISTINCT' },
-    ],
-  },
-  {
-    id: 5,
-    title:
-      'Which SQL join returns all rows when there is a match in either of the tables?',
-    options: [
-      { id: 1, text: 'INNER JOIN' },
-      { id: 2, text: 'LEFT JOIN' },
-      { id: 3, text: 'RIGHT JOIN' },
-      { id: 4, text: 'FULL OUTER JOIN', isCorrectOption: true },
-    ],
-  },
-];
-
-export function QuizView() {
   const [selectedOptions, setSelectedOptions] = useState<
     Record<number, number | undefined>
   >({});
@@ -84,9 +46,14 @@ export function QuizView() {
   }).length;
 
   return (
-    <CourseLayout>
-      <CourseSidebar />
-
+    <CourseLayout
+      courseId={courseId}
+      chapterId={chapterId}
+      lessonId={lesson.id}
+      title={title}
+      chapters={chapters}
+      completedPercentage={0}
+    >
       <div className="relative h-full">
         <div className="absolute inset-0 overflow-y-auto [scrollbar-color:#3f3f46_#27272a;]">
           <div className="mx-auto max-w-xl p-4 py-10">
@@ -101,7 +68,7 @@ export function QuizView() {
                     key={question.id}
                     id={question.id}
                     title={question.title}
-                    disabled={status === 'submitted'}
+                    disabled={isSubmitted}
                     options={question.options.map((option) => {
                       const selectedOptionId = selectedOptions?.[question.id];
 
diff --git a/src/data/courses/sql/chapters/introduction/lessons/challenge-1.md b/src/data/courses/sql/chapters/introduction/lessons/challenge-1.md
index 9e1635e2e..3744aa25a 100644
--- a/src/data/courses/sql/chapters/introduction/lessons/challenge-1.md
+++ b/src/data/courses/sql/chapters/introduction/lessons/challenge-1.md
@@ -1,7 +1,7 @@
 ---
 title: Challenge 1
 description: Write a SQL query to find the total number of orders in the `orders` table.
-order: 200
+order: 300
 type: challenge
 defaultValue: SELECT * FROM orders;
 initSteps:
@@ -24,8 +24,6 @@ expectedResults:
       - [5]
 ---
 
-<!-- /sql/:chapterId/:(lessonId/challengeId/quizId) -->
-
 ## Instructions
 
 Write a SQL query to find the total number of orders in the `orders` table.
diff --git a/src/data/courses/sql/chapters/introduction/lessons/quiz-1.md b/src/data/courses/sql/chapters/introduction/lessons/quiz-1.md
new file mode 100644
index 000000000..90ea0d87e
--- /dev/null
+++ b/src/data/courses/sql/chapters/introduction/lessons/quiz-1.md
@@ -0,0 +1,67 @@
+---
+title: Quiz 1
+description: Test your knowledge of SQL queries with this quiz.
+order: 200
+type: quiz
+questions:
+  - id: 1
+    title: 'Which of the following SQL clauses is used to filter results after the GROUP BY clause?'
+    options:
+      - id: 1
+        text: 'WHERE'
+      - id: 2
+        text: 'HAVING'
+        isCorrectOption: true
+      - id: 3
+        text: 'GROUP BY'
+      - id: 4
+        text: 'ORDER BY'
+  - id: 2
+    title: 'Which SQL function is used to return the first non-null expression?'
+    options:
+      - id: 1
+        text: 'COALESCE'
+        isCorrectOption: true
+      - id: 2
+        text: 'IFNULL'
+      - id: 3
+        text: 'NULLIF'
+      - id: 4
+        text: 'NVL'
+  - id: 3
+    title: 'What is the purpose of an SQL CTE (Common Table Expression)?'
+    options:
+      - id: 1
+        text: 'To create temporary tables that last for the duration of a query'
+        isCorrectOption: true
+      - id: 2
+        text: 'To define reusable views'
+      - id: 3
+        text: 'To encapsulate subqueries'
+      - id: 4
+        text: 'To optimize the execution of queries'
+  - id: 4
+    title: 'In an SQL window function, which clause defines the subset of rows to apply the function on?'
+    options:
+      - id: 1
+        text: 'ORDER BY'
+      - id: 2
+        text: 'PARTITION BY'
+        isCorrectOption: true
+      - id: 3
+        text: 'GROUP BY'
+      - id: 4
+        text: 'DISTINCT'
+  - id: 5
+    title: 'Which SQL join returns all rows when there is a match in either of the tables?'
+    options:
+      - id: 1
+        text: 'INNER JOIN'
+      - id: 2
+        text: 'LEFT JOIN'
+      - id: 3
+        text: 'RIGHT JOIN'
+      - id: 4
+        text: 'FULL OUTER JOIN'
+        isCorrectOption: true
+---
diff --git a/src/layouts/SkeletonLayout.astro b/src/layouts/SkeletonLayout.astro
index bee341a1b..4485f25c3 100644
--- a/src/layouts/SkeletonLayout.astro
+++ b/src/layouts/SkeletonLayout.astro
@@ -1,5 +1,5 @@
 ---
-import BaseLayout, { Props as BaseLayoutProps } from './BaseLayout.astro';
+import BaseLayout, { type Props as BaseLayoutProps } from './BaseLayout.astro';
 
 export interface Props extends BaseLayoutProps {}
 
diff --git a/src/lib/course.ts b/src/lib/course.ts
index bccaf8244..fcf9dac59 100644
--- a/src/lib/course.ts
+++ b/src/lib/course.ts
@@ -18,6 +18,16 @@ export type LessonFrontmatter = {
     columns: string[];
     values: string[][];
   }[];
+
+  questions?: {
+    id: number;
+    title: string;
+    options: {
+      id: number;
+      text: string;
+      isCorrectOption?: boolean;
+    }[];
+  }[];
 };
 
 export type LessonFileType = MarkdownFileType<LessonFrontmatter> & {
diff --git a/src/pages/courses/[courseId]/[chapterId]/[lessonId].astro b/src/pages/courses/[courseId]/[chapterId]/[lessonId].astro
index 783d11c0a..79aa50dca 100644
--- a/src/pages/courses/[courseId]/[chapterId]/[lessonId].astro
+++ b/src/pages/courses/[courseId]/[chapterId]/[lessonId].astro
@@ -1,4 +1,8 @@
 ---
+import { ChallengeView } from '../../../../components/Course/ChallengeView';
+import { LessonView } from '../../../../components/Course/LessonView';
+import { QuizView } from '../../../../components/Course/QuizView';
+import SkeletonLayout from '../../../../layouts/SkeletonLayout.astro';
 import {
   getAllCourses,
   getChaptersByCourseId,
@@ -14,7 +18,7 @@ interface Params extends Record<string, string | undefined> {
 }
 
 interface Props {
-  course: CourseFileType;
+  course: CourseFileType & { chapters: ChapterFileType[] };
   chapter: ChapterFileType;
   lesson: LessonFileType;
 }
@@ -65,6 +69,50 @@ const { courseId, chapterId } = Astro.params;
 const { course, chapter, lesson } = Astro.props;
 ---
 
-<pre>
-  {JSON.stringify(lesson, null, 2)}
-</pre>
+<SkeletonLayout title={course.frontmatter.title}>
+  {
+    lesson.frontmatter.type === 'challenge' && (
+      <ChallengeView
+        courseId={courseId}
+        chapterId={chapterId}
+        lessonId={lesson.id}
+        title={course.frontmatter.title}
+        course={course}
+        lesson={lesson}
+        client:load
+      >
+        <lesson.Content />
+      </ChallengeView>
+    )
+  }
+
+  {
+    lesson.frontmatter.type === 'lesson' && (
+      <LessonView
+        courseId={courseId}
+        chapterId={chapterId}
+        lessonId={lesson.id}
+        title={course.frontmatter.title}
+        course={course}
+        lesson={lesson}
+        client:load
+      >
+        <lesson.Content />
+      </LessonView>
+    )
+  }
+
+  {
+    lesson.frontmatter.type === 'quiz' && (
+      <QuizView
+        courseId={courseId}
+        chapterId={chapterId}
+        lessonId={lesson.id}
+        title={course.frontmatter.title}
+        course={course}
+        lesson={lesson}
+        client:load
+      ></QuizView>
+    )
+  }
+</SkeletonLayout>
diff --git a/src/pages/learn-sql/index.astro b/src/pages/learn-sql/index.astro
deleted file mode 100644
index 99e38ea59..000000000
--- a/src/pages/learn-sql/index.astro
+++ /dev/null
@@ -1,27 +0,0 @@
----
-import { ChallengeView } from '../../components/Course/ChallengeView';
-import type { ChallengeFileType } from '../../lib/course';
-import { getCourseById, getCourseExerciseById } from '../../lib/course';
-
-const course = await getCourseById('sql');
-
-const exercise = (await getCourseExerciseById(
-  'sql',
-  'introduction',
-  'challenge-1',
-)) as ChallengeFileType;
----
-
-<ChallengeView
-  title={exercise.frontmatter.title}
-  chapters={course.chapters}
-  completedPercentage={0}
-  defaultValue={exercise.frontmatter.defaultValue}
-  expectedResults={exercise.frontmatter.expectedResults}
-  initSteps={exercise.frontmatter.initSteps}
-  client:load
->
-  <div class='prose prose-xl prose-invert'>
-    <exercise.Content />
-  </div>
-</ChallengeView>