Files
lms/lms/www/batch/learn.js
Jannat Patel 7d697f068f fix: ux issues
2022-08-26 16:35:02 +05:30

563 lines
17 KiB
JavaScript

frappe.ready(() => {
localStorage.removeItem($("#quiz-title").data("name"));
fetch_assignments();
save_current_lesson();
$(".option").click((e) => {
enable_check(e);
})
$(".mark-progress").click((e) => {
mark_progress(e);
});
$(".next").click((e) => {
mark_progress(e);
});
$("#summary").click((e) => {
quiz_summary(e);
});
$("#check").click((e) => {
check_answer(e);
});
$("#next").click((e) => {
mark_active_question(e);
});
$("#try-again").click((e) => {
try_quiz_again(e);
});
$("#certification").click((e) => {
create_certificate(e);
});
$(".submit-work").click((e) => {
attach_work(e);
});
$(".clear-work").click((e) => {
clear_work(e);
});
$(".btn-lesson").click((e) => {
save_lesson(e);
});
$(".add-attachment").click((e) => {
show_upload_modal();
});
$(".btn-start-quiz").click((e) => {
$("#start-banner").addClass("hide");
$("#quiz-form").removeClass("hide");
mark_active_question();
});
$(".btn-edit").click((e) => {
window.location.href = `${window.location.href}?edit=1`;
});
$(".btn-back").click((e) => {
window.location.href = window.location.href.split("?")[0];
})
$(document).on("click", ".copy-link", (e) => {
frappe.utils.copy_to_clipboard($(e.currentTarget).data("link"));
$(".attachments").collapse("hide");
});
if ($("#quiz-title").data("max-attempts")) {
window.addEventListener("beforeunload", (e) => {
e.returnValue = "";
$(".active-question").length && quiz_summary();
});
}
if ($("#body").length) {
make_editor();
}
});
const save_current_lesson = () => {
if ($(".title").hasClass("is-member")) {
frappe.call("lms.lms.api.save_current_lesson", {
course_name: $(".title").attr("data-course"),
lesson_name: $(".title").attr("data-lesson")
});
}
};
const enable_check = (e) => {
if ($(".option:checked").length) {
$("#check").removeAttr("disabled");
$(".custom-checkbox").removeClass("active-option");
$(".option:checked").closest(".custom-checkbox").addClass("active-option");
}
};
const mark_active_question = (e = undefined) => {
$(".timer").addClass("hide");
calculate_and_display_time(100);
$(".timer").removeClass("hide");
let current_index = $(".active-question").attr("data-qt-index") || 0;
let next_index = parseInt(current_index) + 1;
$(".question").addClass("hide").removeClass("active-question");
$(`.question[data-qt-index='${next_index}']`).removeClass("hide").addClass("active-question");
$(".current-question").text(`${next_index}`);
$("#check").removeClass("hide").attr("disabled", true);
$("#next").addClass("hide");
$(".explanation").addClass("hide");
initialize_timer();
};
const mark_progress = (e) => {
/* Prevent default only for Next button anchor tag and not for progress checkbox */
if ($(e.currentTarget).prop("nodeName") != "INPUT")
e.preventDefault();
else
return;
const target = $(e.currentTarget).attr("data-progress") ? $(e.currentTarget) : $("input.mark-progress");
const current_status = $(".lesson-progress").hasClass("hide") ? "Incomplete": "Complete";
let status = "Incomplete";
if (target.prop("nodeName") == "INPUT" && target.prop("checked")) {
status = "Complete";
}
if (status != current_status) {
frappe.call({
method: "lms.lms.doctype.course_lesson.course_lesson.save_progress",
args: {
lesson: $(".title").attr("data-lesson"),
course: $(".title").attr("data-course"),
status: status
},
callback: (data) => {
change_progress_indicators(status, e);
show_certificate_if_course_completed(data);
move_to_next_lesson(status, e);
}
});
}
else
move_to_next_lesson(status, e);
};
const change_progress_indicators = (status, e) => {
if (status == "Complete") {
$(".lesson-progress").removeClass("hide");
$(".active-lesson .lesson-progress-tick").removeClass("hide");
}
else {
$(".lesson-progress").addClass("hide");
$(".active-lesson .lesson-progress-tick").addClass("hide");
}
if (status == "Incomplete" && !$(e.currentTarget).hasClass("next")) {
$(e.currentTarget).addClass("hide");
$("input.mark-progress").prop("checked", false).closest(".custom-checkbox").removeClass("hide");
}
};
const show_certificate_if_course_completed = (data) => {
if (data.message == 100 && !$(".next").attr("data-next") && $("#certification").hasClass("hide")) {
$("#certification").removeClass("hide");
$(".next").addClass("hide");
}
};
const move_to_next_lesson = (status, e) => {
if ($(e.currentTarget).hasClass("next") && $(e.currentTarget).attr("data-href")) {
window.location.href = $(e.currentTarget).attr("data-href");
}
else if (status == "Complete") {
$("input.mark-progress").closest(".custom-checkbox").addClass("hide");
$("div.mark-progress").removeClass("hide");
$(".next").addClass("hide");
}
else {
$("input.mark-progress").closest(".custom-checkbox").removeClass("hide");
$("div.mark-progress").addClass("hide");
$(".next").removeClass("hide");
}
};
const quiz_summary = (e=undefined) => {
e && e.preventDefault();
let quiz_name = $("#quiz-title").data("name");
let total_questions = $(".question").length;
frappe.call({
method: "lms.lms.doctype.lms_quiz.lms_quiz.quiz_summary",
args: {
"quiz": quiz_name,
"results": localStorage.getItem(quiz_name)
},
callback: (data) => {
let message = data.message == total_questions ? __("Excellent Work 👏") : __("Better luck next time")
$(".question").addClass("hide");
$("#summary").addClass("hide");
$("#quiz-form").parent().prepend(
`<div class="text-center summary"><h2> ${message} </h2>
<div class="font-weight-bold">${data.message}/${total_questions}</div></div>`);
$("#try-again").removeClass("hide");
}
});
};
const try_quiz_again = (e) => {
window.location.reload();
};
const check_answer = (e=undefined) => {
e && e.preventDefault();
clearInterval(self.timer);
$(".timer").addClass("hide");
let total_questions = $(".question").length;
let current_index = $(".active-question").attr("data-qt-index");
$(".explanation").removeClass("hide");
$("#check").addClass("hide");
if (current_index == total_questions) {
if ($(".eligible-for-submission").length) {
$("#summary").removeClass("hide");
}
else {
$("#submission-message").removeClass("hide");
}
}
else {
$("#next").removeClass("hide");
}
let [answer, is_correct] = parse_options();
add_to_local_storage(current_index, answer, is_correct);
};
const parse_options = () => {
let answer = [];
let is_correct = [];
$(".active-question input").each((i, element) => {
let correct = parseInt($(element).attr("data-correct"));
if ($(element).prop("checked")) {
answer.push(decodeURIComponent($(element).val()));
correct && is_correct.push(1);
correct ? add_icon(element, "check") : add_icon(element, "wrong");
}
else {
correct && is_correct.push(0);
correct ? add_icon(element, "minus-circle-green") : add_icon(element, "minus-circle");
}
});
return [answer, is_correct];
};
const add_icon = (element, icon) => {
$(element).closest(".custom-checkbox").removeClass("active-option");
let label = $(element).siblings(".option-text").text();
$(element).siblings(".option-text").html(`
<div>
<img class="mr-3" src="/assets/lms/icons/${icon}.svg">
${label}
</div>
`);
//$(element).parent().empty().html(`<div class="option-text"><img class="mr-3" src="/assets/lms/icons/${icon}.svg"> ${label}</div>`);
};
const add_to_local_storage = (current_index, answer, is_correct) => {
let quiz_name = $("#quiz-title").data("name")
let quiz_stored = JSON.parse(localStorage.getItem(quiz_name));
let quiz_obj = {
"question_index": current_index,
"answer": answer.join(),
"is_correct": is_correct
}
quiz_stored ? quiz_stored.push(quiz_obj) : quiz_stored = [quiz_obj]
localStorage.setItem(quiz_name, JSON.stringify(quiz_stored))
};
const create_certificate = (e) => {
e.preventDefault();
course = $(".title").attr("data-course");
frappe.call({
method: "lms.lms.doctype.lms_certificate.lms_certificate.create_certificate",
args: {
"course": course
},
callback: (data) => {
window.location.href = `/courses/${course}/${data.message.name}`;
}
});
};
const attach_work = (e) => {
const target = $(e.currentTarget);
let files = target.siblings(".attach-file").prop("files")
if (files && files.length) {
files = add_files(files)
return_as_dataurl(files)
files.map((file) => {
upload_file(file, target);
})
}
};
const upload_file = (file, target) => {
return new Promise((resolve, reject) => {
let xhr = new XMLHttpRequest();
xhr.onreadystatechange = () => {
if (xhr.readyState == XMLHttpRequest.DONE) {
if (xhr.status === 200) {
let response = JSON.parse(xhr.responseText)
create_lesson_work(response.message, target);
} else if (xhr.status === 403) {
let response = JSON.parse(xhr.responseText);
frappe.msgprint(`Not permitted. ${response._error_message || ''}`);
} else if (xhr.status === 413) {
frappe.msgprint('Size exceeds the maximum allowed file size.');
} else {
frappe.msgprint(xhr.status === 0 ? 'XMLHttpRequest Error' : `${xhr.status} : ${xhr.statusText}`);
}
}
}
xhr.open('POST', '/api/method/upload_file', true);
xhr.setRequestHeader('Accept', 'application/json');
xhr.setRequestHeader('X-Frappe-CSRF-Token', frappe.csrf_token);
let form_data = new FormData();
if (file.file_obj) {
form_data.append('file', file.file_obj, `${frappe.session.user}-${file.name}`);
form_data.append('folder', `${$(".title").attr("data-lesson")} ${$(".title").attr("data-course")}`)
}
xhr.send(form_data);
});
};
const create_lesson_work = (file, target) => {
frappe.call({
method: "lms.lms.doctype.lesson_assignment.lesson_assignment.upload_assignment",
args: {
assignment: file.file_url,
lesson: $(".title").attr("data-lesson"),
identifier: target.siblings(".attach-file").attr("id")
},
callback: (data) => {
target.siblings(".attach-file").addClass("hide");
target.siblings(".preview-work").removeClass("hide");
target.siblings(".preview-work").find("a").attr("href", file.file_url).text(file.file_name)
target.addClass("hide");
}
});
};
const return_as_dataurl = (files) => {
let promises = files.map(file =>
frappe.dom.file_to_base64(file.file_obj)
.then(dataurl => {
file.dataurl = dataurl;
this.on_success && this.on_success(file);
})
);
return Promise.all(promises);
};
const add_files = (files) => {
files = Array.from(files).map(file => {
let is_image = file.type.startsWith('image');
return {
file_obj: file,
cropper_file: file,
crop_box_data: null,
optimize: this.attach_doc_image ? true : false,
name: file.name,
doc: null,
progress: 0,
total: 0,
failed: false,
request_succeeded: false,
error_message: null,
uploading: false,
private: !is_image
}
});
return files
};
const clear_work = (e) => {
const target = $(e.currentTarget);
const parent = target.closest(".preview-work");
parent.addClass("hide");
parent.siblings(".attach-file").removeClass("hide").val(null);
parent.siblings(".submit-work").removeClass("hide");
};
const fetch_assignments = () => {
if ($(".attach-file").length <= 0)
return;
frappe.call({
method: "lms.lms.doctype.lesson_assignment.lesson_assignment.get_assignment",
args: {
"lesson": $(".title").attr("data-lesson")
},
callback: (data) => {
if (data.message && data.message.length) {
const assignments = data.message;
for (let i in assignments) {
let target = $(`#${assignments[i]["id"]}`);
target.addClass("hide");
target.siblings(".submit-work").addClass("hide");
target.siblings(".preview-work").removeClass("hide");
target.siblings(".preview-work").find("a").attr("href", assignments[i]["assignment"]).text(assignments[i]["file_name"]);
}
}
}
});
};
const initialize_timer = () => {
this.time_left = $(".timer").data("time");
calculate_and_display_time(100, this.time_left);
$(".timer").removeClass("hide");
const total_time = $(".timer").data("time");
this.start_time = new Date().getTime();
const self = this;
let old_diff;
this.timer = setInterval(function () {
var diff = (new Date().getTime() - self.start_time)/1000;
var variation = old_diff ? diff - old_diff : diff;
old_diff = diff;
self.time_left -= variation;
let percent_time = (self.time_left / total_time) * 100;
calculate_and_display_time(percent_time);
if (self.time_left <= 0) {
clearInterval(self.timer);
$(".timer").addClass("hide");
check_answer();
}
}, 100);
};
const calculate_and_display_time = (percent_time) => {
$(".timer .progress-bar").attr("aria-valuenow", percent_time);
$(".timer .progress-bar").attr("aria-valuemax", percent_time);
$(".timer .progress-bar").css("width", `${percent_time}%`);
let progress_color = percent_time < 20 ? "red" : "var(--primary-color)";
$(".timer .progress-bar").css("background-color", progress_color);
};
const save_lesson = (e) => {
let lesson = $("#title").data("lesson");
frappe.call({
method: "lms.lms.doctype.lms_course.lms_course.save_lesson",
args: {
"title": $("#title").text(),
"body": this.code_field_group.fields_dict["code_md"].last_value,
"chapter": $("#title").data("chapter"),
"preview": $("#preview").prop("checked") ? 1 : 0,
"idx": $("#title").data("index"),
"lesson": lesson ? lesson : ""
},
callback: (data) => {
window.location.href = window.location.href.split("?")[0];
}
});
};
const show_upload_modal = () => {
new frappe.ui.FileUploader({
folder: "Home/Attachments",
restrictions: {
allowed_file_types: ['image/*', 'video/*']
},
on_success: (file_doc) => {
$(".attachments").append(build_attachment_table(file_doc));
let count = $(".attachment-count").data("count") + 1;
$(".attachment-count").data("count", count);
$(".attachment-count").html(__(`${count} attachments`));
$(".attachments").removeClass("hide");
},
});
};
const build_attachment_table = (file_doc) => {
let video_types = ["mov", "mp4", "mkv"];
let video_extension = file_doc.file_url.split(".").pop();
let is_video = video_types.indexOf(video_extension) >= 0;
let link = is_video ? `{{ Video('${file_doc.file_url}') }}` : `![](${file_doc.file_url})`;
return $(`
<tr class="attachment-row">
<td>${file_doc.file_name}</td>
<td class="">
<a class="button is-secondary button-links copy-link" data-link="${link}"
data-name="${file_doc.file_name}" > ${__("Copy Link")}
</a>
</td>
</tr>
`);
};
const make_editor = () => {
this.code_field_group = new frappe.ui.FieldGroup({
fields: [
{
fieldname: "code_md",
fieldtype: "Code",
options: "Markdown",
wrap: true,
max_lines: Infinity,
min_lines: 20,
default: $("#body").data("body"),
depends_on: 'eval:doc.type=="Markdown"',
}
],
body: $("#body").get(0),
});
this.code_field_group.make();
$("#body .form-section:last").removeClass("empty-section");
$("#body .frappe-control").removeClass("hide-control");
$("#body .form-column").addClass("p-0");
};