Files
lms/frontend/src/pages/Lesson.vue
2025-06-20 19:59:10 +05:30

798 lines
18 KiB
Vue

<template>
<div v-if="lesson.data" class="">
<header
class="sticky top-0 z-10 flex items-center justify-between border-b bg-surface-white px-3 py-2.5 sm:px-5"
>
<Breadcrumbs class="h-7" :items="breadcrumbs" />
<div class="flex items-center space-x-2">
<Tooltip v-if="canGoZen()" :text="__('Zen Mode')">
<Button @click="goFullScreen()">
<template #icon>
<Focus class="w-4 h-4 stroke-2" />
</template>
</Button>
</Tooltip>
<CertificationLinks :courseName="courseName" />
</div>
</header>
<div class="grid md:grid-cols-[70%,30%] h-screen">
<div v-if="lesson.data.no_preview" class="border-r">
<div class="shadow rounded-md w-3/4 mt-10 mx-auto text-center p-4">
<div class="flex items-center justify-center mt-4 space-x-2">
<LockKeyholeIcon class="size-4 stroke-2 text-ink-gray-5" />
<div class="text-lg font-semibold text-ink-gray-7">
{{ __('This lesson is locked') }}
</div>
</div>
<div class="mt-1 mb-4 text-ink-gray-7">
{{
__(
'This lesson is not available for preview. Please enroll in the course to access it.'
)
}}
</div>
<Button
v-if="user.data && !lesson.data.disable_self_learning"
@click="enrollStudent()"
variant="solid"
>
{{ __('Start Learning') }}
</Button>
<Badge
theme="blue"
size="lg"
v-else-if="lesson.data.disable_self_learning"
class="mt-2"
>
{{ __('Contact the Administrator to enroll for this course.') }}
</Badge>
<Button v-else @click="redirectToLogin()">
<template #prefix>
<LogIn class="w-4 h-4 stroke-1" />
</template>
{{ __('Login') }}
</Button>
</div>
</div>
<div
v-else
ref="lessonContainer"
class="bg-surface-white"
:class="{
'overflow-y-auto': zenModeEnabled,
}"
>
<div
class="border-r container pt-5 pb-10 px-5 h-full"
:class="{
'w-full md:w-3/5 mx-auto border-none !pt-10': zenModeEnabled,
}"
>
<div
class="flex flex-col md:flex-row md:items-center justify-between"
>
<div class="flex flex-col">
<div class="text-3xl font-semibold text-ink-gray-9">
{{ lesson.data.title }}
</div>
<div
v-if="zenModeEnabled"
class="relative flex items-center space-x-2 text-sm mt-1 text-ink-gray-7 group w-fit mt-2"
>
<span>
{{ lesson.data.chapter_title }} -
{{ lesson.data.course_title }}
</span>
<Info class="size-3" />
<div
class="hidden group-hover:block rounded bg-gray-900 px-2 py-1 text-xs text-white shadow-xl absolute left-0 top-full mt-2"
>
{{ Math.ceil(lesson.data.membership.progress) }}%
{{ __('completed') }}
</div>
</div>
</div>
<div class="flex items-center space-x-2 mt-2 md:mt-0">
<Button v-if="zenModeEnabled" @click="showDiscussionsInZenMode()">
<template #icon>
<MessageCircleQuestion class="w-4 h-4 stroke-1.5" />
</template>
</Button>
<router-link
v-if="lesson.data.prev"
:to="{
name: 'Lesson',
params: {
courseName: courseName,
chapterNumber: lesson.data.prev.split('.')[0],
lessonNumber: lesson.data.prev.split('.')[1],
},
}"
>
<Button>
<template #prefix>
<ChevronLeft class="w-4 h-4 stroke-1" />
</template>
<span>
{{ __('Previous') }}
</span>
</Button>
</router-link>
<router-link
v-if="allowEdit()"
:to="{
name: 'LessonForm',
params: {
courseName: courseName,
chapterNumber: props.chapterNumber,
lessonNumber: props.lessonNumber,
},
}"
>
<Button>
{{ __('Edit') }}
</Button>
</router-link>
<router-link
v-if="lesson.data.next"
:to="{
name: 'Lesson',
params: {
courseName: courseName,
chapterNumber: lesson.data.next.split('.')[0],
lessonNumber: lesson.data.next.split('.')[1],
},
}"
>
<Button>
<template #suffix>
<ChevronRight class="w-4 h-4 stroke-1" />
</template>
<span>
{{ __('Next') }}
</span>
</Button>
</router-link>
<router-link
v-else
:to="{
name: 'CourseDetail',
params: { courseName: courseName },
}"
>
<Button>
{{ __('Back to Course') }}
</Button>
</router-link>
</div>
</div>
<div v-if="!zenModeEnabled" class="flex items-center mt-2">
<span
class="h-6 mr-1"
:class="{
'avatar-group overlap': lesson.data.instructors?.length > 1,
}"
>
<UserAvatar
v-for="instructor in lesson.data.instructors"
:user="instructor"
/>
</span>
<CourseInstructors
v-if="lesson.data?.instructors"
:instructors="lesson.data.instructors"
/>
</div>
<div
v-if="
lesson.data.instructor_content &&
JSON.parse(lesson.data.instructor_content)?.blocks?.length > 1 &&
allowInstructorContent()
"
class="bg-surface-gray-2 p-3 rounded-md mt-6"
>
<div class="text-ink-gray-5 font-medium">
{{ __('Instructor Notes') }}
</div>
<div
id="instructor-content"
class="ProseMirror prose prose-table:table-fixed prose-td:p-2 prose-th:p-2 prose-td:border prose-th:border prose-td:border-outline-gray-2 prose-th:border-outline-gray-2 prose-td:relative prose-th:relative prose-th:bg-surface-gray-2 prose-sm max-w-none !whitespace-normal"
></div>
</div>
<div
v-else-if="lesson.data.instructor_notes"
class="ProseMirror prose prose-table:table-fixed prose-td:p-2 prose-th:p-2 prose-td:border prose-th:border prose-td:border-outline-gray-2 prose-th:border-outline-gray-2 prose-td:relative prose-th:relative prose-th:bg-surface-gray-2 prose-sm max-w-none !whitespace-normal mt-8"
>
<LessonContent :content="lesson.data.instructor_notes" />
</div>
<div
v-if="lesson.data.content"
class="ProseMirror prose prose-table:table-fixed prose-td:p-2 prose-th:p-2 prose-td:border prose-th:border prose-td:border-outline-gray-2 prose-th:border-outline-gray-2 prose-td:relative prose-th:relative prose-th:bg-surface-gray-2 prose-sm max-w-none !whitespace-normal mt-8"
>
<div id="editor"></div>
</div>
<div
v-else
class="ProseMirror prose prose-table:table-fixed prose-td:p-2 prose-th:p-2 prose-td:border prose-th:border prose-td:border-outline-gray-2 prose-th:border-outline-gray-2 prose-td:relative prose-th:relative prose-th:bg-surface-gray-2 prose-sm max-w-none !whitespace-normal mt-8"
>
<LessonContent
v-if="lesson.data?.body"
:content="lesson.data.body"
:youtube="lesson.data.youtube"
:quizId="lesson.data.quiz_id"
/>
</div>
<div class="mt-20" ref="discussionsContainer">
<Discussions
v-if="allowDiscussions"
:title="'Questions'"
:doctype="'Course Lesson'"
:docname="lesson.data.name"
:key="lesson.data.name"
/>
</div>
</div>
</div>
<div class="sticky top-10">
<div class="bg-surface-menu-bar py-5 px-2 border-b">
<div class="text-lg font-semibold text-ink-gray-9">
{{ lesson.data.course_title }}
</div>
<div
v-if="user && lesson.data.membership"
class="text-sm mt-4 mb-2 text-ink-gray-5"
>
{{ Math.ceil(lessonProgress) }}% {{ __('completed') }}
</div>
<ProgressBar
v-if="user && lesson.data.membership"
:progress="lessonProgress"
/>
</div>
<CourseOutline
:courseName="courseName"
:key="chapterNumber"
:getProgress="lesson.data.membership ? true : false"
/>
</div>
</div>
</div>
</template>
<script setup>
import {
createResource,
Badge,
Breadcrumbs,
Button,
Tooltip,
usePageMeta,
} from 'frappe-ui'
import {
computed,
watch,
inject,
ref,
onMounted,
onBeforeUnmount,
nextTick,
} from 'vue'
import CourseOutline from '@/components/CourseOutline.vue'
import UserAvatar from '@/components/UserAvatar.vue'
import { useRouter, useRoute } from 'vue-router'
import {
ChevronLeft,
ChevronRight,
LockKeyholeIcon,
LogIn,
Focus,
Info,
MessageCircleQuestion,
} from 'lucide-vue-next'
import Discussions from '@/components/Discussions.vue'
import { getEditorTools, enablePlyr } from '@/utils'
import { sessionStore } from '@/stores/session'
import { useSidebar } from '@/stores/sidebar'
import EditorJS from '@editorjs/editorjs'
import LessonContent from '@/components/LessonContent.vue'
import CourseInstructors from '@/components/CourseInstructors.vue'
import ProgressBar from '@/components/ProgressBar.vue'
import CertificationLinks from '@/components/CertificationLinks.vue'
const user = inject('$user')
const socket = inject('$socket')
const router = useRouter()
const route = useRoute()
const allowDiscussions = ref(false)
const editor = ref(null)
const instructorEditor = ref(null)
const lessonProgress = ref(0)
const lessonContainer = ref(null)
const zenModeEnabled = ref(false)
const hasQuiz = ref(false)
const discussionsContainer = ref(null)
const timer = ref(0)
const { brand } = sessionStore()
const sidebarStore = useSidebar()
let timerInterval
const props = defineProps({
courseName: {
type: String,
required: true,
},
chapterNumber: {
type: String,
required: true,
},
lessonNumber: {
type: String,
required: true,
},
})
onMounted(() => {
startTimer()
console.log(sidebarStore.isSidebarCollapsed)
sidebarStore.isSidebarCollapsed = true
document.addEventListener('fullscreenchange', attachFullscreenEvent)
socket.on('update_lesson_progress', (data) => {
if (data.course === props.courseName) {
lessonProgress.value = data.progress
}
})
})
const attachFullscreenEvent = () => {
if (document.fullscreenElement) {
zenModeEnabled.value = true
allowDiscussions.value = false
} else {
zenModeEnabled.value = false
if (!hasQuiz.value) {
allowDiscussions.value = true
}
}
}
onBeforeUnmount(() => {
document.removeEventListener('fullscreenchange', attachFullscreenEvent)
sidebarStore.isSidebarCollapsed = false
})
const lesson = createResource({
url: 'lms.lms.utils.get_lesson',
makeParams(values) {
return {
course: props.courseName,
chapter: values ? values.chapter : props.chapterNumber,
lesson: values ? values.lesson : props.lessonNumber,
}
},
auto: true,
})
const setupLesson = (data) => {
if (Object.keys(data).length === 0) {
router.push({
name: 'CourseDetail',
params: { courseName: props.courseName },
})
return
}
lessonProgress.value = data.membership?.progress
if (data.content) editor.value = renderEditor('editor', data.content)
if (
data.instructor_content &&
JSON.parse(data.instructor_content)?.blocks?.length > 1
)
instructorEditor.value = renderEditor(
'instructor-content',
data.instructor_content
)
editor.value?.isReady.then(() => {
checkIfDiscussionsAllowed()
})
if (!editor.value && data.body) {
const quizRegex = /\{\{ Quiz\(".*"\) \}\}/
hasQuiz.value = quizRegex.test(data.body)
if (!hasQuiz.value && !zenModeEnabled) allowDiscussions.value = true
}
}
const renderEditor = (holder, content) => {
// empty the holder
if (document.getElementById(holder))
document.getElementById(holder).innerHTML = ''
return new EditorJS({
holder: holder,
tools: getEditorTools(),
data: JSON.parse(content),
readOnly: true,
defaultBlock: 'embed', // editor adds an empty block at the top, so to avoid that added default block as embed
})
}
const markProgress = () => {
if (user.data && lesson.data && !lesson.data.progress) {
progress.submit()
}
}
const progress = createResource({
url: 'lms.lms.doctype.course_lesson.course_lesson.save_progress',
makeParams() {
return {
lesson: lesson.data.name,
course: props.courseName,
}
},
onSuccess(data) {
lessonProgress.value = data
},
})
const breadcrumbs = computed(() => {
let items = [{ label: 'Courses', route: { name: 'Courses' } }]
items.push({
label: lesson?.data?.course_title,
route: { name: 'CourseDetail', params: { courseName: props.courseName } },
})
items.push({
label: lesson?.data?.title,
route: {
name: 'Lesson',
params: {
courseName: props.courseName,
chapterNumber: props.chapterNumber,
lessonNumber: props.lessonNumber,
},
},
})
return items
})
watch(
[() => route.params.chapterNumber, () => route.params.lessonNumber],
(
[newChapterNumber, newLessonNumber],
[oldChapterNumber, oldLessonNumber]
) => {
if (newChapterNumber || newLessonNumber) {
editor.value = null
instructorEditor.value = null
allowDiscussions.value = false
lesson.submit({
chapter: newChapterNumber,
lesson: newLessonNumber,
})
clearInterval(timerInterval)
timer.value = 0
startTimer()
enablePlyr()
}
}
)
watch(
() => lesson.data,
(data) => {
setupLesson(data)
enablePlyr()
}
)
const startTimer = () => {
timerInterval = setInterval(() => {
timer.value++
if (timer.value == 30) {
clearInterval(timerInterval)
markProgress()
}
}, 1000)
}
onBeforeUnmount(() => {
clearInterval(timerInterval)
})
const checkIfDiscussionsAllowed = () => {
JSON.parse(lesson.data?.content)?.blocks?.forEach((block) => {
if (block.type === 'quiz') hasQuiz.value = true
})
if (
!hasQuiz.value &&
!zenModeEnabled.value &&
(lesson.data?.membership ||
user.data?.is_moderator ||
user.data?.is_instructor)
)
allowDiscussions.value = true
}
const allowEdit = () => {
if (window.read_only_mode) return false
if (user.data?.is_moderator) return true
if (lesson.data?.instructors?.includes(user.data?.name)) return true
return false
}
const allowInstructorContent = () => {
if (user.data?.is_moderator) return true
if (lesson.data?.instructors?.includes(user.data?.name)) return true
return false
}
const enrollment = createResource({
url: 'frappe.client.insert',
makeParams() {
return {
doc: {
doctype: 'LMS Enrollment',
course: props.courseName,
member: user.data?.name,
},
}
},
})
const enrollStudent = () => {
enrollment.submit(
{},
{
onSuccess() {
window.location.reload()
},
}
)
}
const canGoZen = () => {
if (
user.data?.is_moderator ||
user.data?.is_instructor ||
user.data?.is_evaluator
)
return true
if (lesson.data?.membership) return true
return false
}
const goFullScreen = () => {
if (lessonContainer.value.requestFullscreen) {
lessonContainer.value.requestFullscreen()
} else if (lessonContainer.value.mozRequestFullScreen) {
lessonContainer.value.mozRequestFullScreen()
} else if (lessonContainer.value.webkitRequestFullscreen) {
lessonContainer.value.webkitRequestFullscreen()
} else if (lessonContainer.value.msRequestFullscreen) {
lessonContainer.value.msRequestFullscreen()
}
}
const showDiscussionsInZenMode = () => {
if (allowDiscussions.value) {
allowDiscussions.value = false
} else {
allowDiscussions.value = true
scrollDiscussionsIntoView()
}
}
const scrollDiscussionsIntoView = () => {
nextTick(() => {
discussionsContainer.value?.scrollIntoView({
behavior: 'smooth',
block: 'center',
inline: 'nearest',
})
})
}
const redirectToLogin = () => {
window.location.href = `/login?redirect-to=/lms/courses/${props.courseName}`
}
usePageMeta(() => {
return {
title: lesson?.data?.title,
icon: brand.favicon,
}
})
</script>
<style>
.avatar-group {
display: inline-flex;
align-items: center;
}
.avatar-group .avatar {
transition: margin 0.1s ease-in-out;
}
.lesson-content p {
margin-bottom: 1rem;
line-height: 1.7;
}
.lesson-content li {
line-height: 1.7;
}
.lesson-content ol {
list-style: auto;
margin: revert;
padding: 1rem;
}
.lesson-content ul {
list-style: auto;
padding: 1rem;
margin: revert;
}
.lesson-content img {
border: 1px solid theme('colors.gray.200');
border-radius: 0.5rem;
}
.lesson-content code {
display: block;
overflow-x: auto;
padding: 1rem 1.25rem;
background: #011627;
color: #d6deeb;
border-radius: 0.5rem;
margin: 1rem 0;
}
.lesson-content a {
color: theme('colors.gray.900');
text-decoration: underline;
font-weight: 500;
}
.embed-tool__caption,
.cdx-simple-image__caption {
display: none;
}
.ce-block__content {
max-width: unset;
}
.codex-editor__redactor {
padding-bottom: 0px !important;
}
.codeBoxHolder {
display: flex;
flex-direction: column;
justify-content: flex-start;
align-items: flex-start;
}
.codeBoxTextArea {
width: 100%;
min-height: 30px;
padding: 10px;
border-radius: 2px 2px 2px 0;
border: none !important;
outline: none !important;
font: 14px monospace;
}
.codeBoxSelectDiv {
display: flex;
flex-direction: column;
justify-content: flex-start;
align-items: flex-start;
position: relative;
}
.codeBoxSelectInput {
border-radius: 0 0 20px 2px;
padding: 2px 26px;
padding-top: 0;
padding-right: 0;
text-align: left;
cursor: pointer;
border: none !important;
outline: none !important;
}
.codeBoxSelectDropIcon {
position: absolute !important;
left: 10px !important;
bottom: 0 !important;
width: unset !important;
height: unset !important;
font-size: 16px !important;
}
.codeBoxSelectPreview {
display: none;
flex-direction: column;
justify-content: flex-start;
align-items: flex-start;
border-radius: 2px;
box-shadow: 0 3px 15px -3px rgba(13, 20, 33, 0.13);
position: absolute;
top: 100%;
margin: 5px 0;
max-height: 30vh;
overflow-x: hidden;
overflow-y: auto;
z-index: 10000;
}
.codeBoxSelectItem {
width: 100%;
padding: 5px 20px;
margin: 0;
cursor: pointer;
}
.codeBoxSelectItem:hover {
opacity: 0.7;
}
.codeBoxSelectedItem {
background-color: lightblue !important;
}
.codeBoxShow {
display: flex !important;
}
.dark {
color: #abb2bf;
background-color: #282c34;
}
.light {
color: #383a42;
background-color: #fafafa;
}
.codeBoxTextArea {
line-height: 1.7;
}
.tc-table {
border-left: 1px solid #e8e8eb;
}
.plyr__volume input[type='range'] {
display: none;
}
.plyr__control--overlaid {
background: radial-gradient(
circle,
rgba(0, 0, 0, 0.4) 0%,
rgba(0, 0, 0, 0.5) 50%
);
}
.plyr__control:hover {
background: none;
}
.plyr--video {
border: 1px solid theme('colors.gray.200');
border-radius: 8px;
}
:root {
--plyr-range-fill-background: white;
--plyr-video-control-background-hover: transparent;
}
</style>