Files
lms/lms/www/batch/learn.js
2023-04-06 18:01:12 +05:30

624 lines
16 KiB
JavaScript

frappe.ready(() => {
this.marked_as_complete = false;
this.quiz_submitted = false;
this.file_type;
this.answer = [];
this.is_correct = [];
let self = this;
localStorage.removeItem($("#quiz-title").data("name"));
fetch_assignments();
save_current_lesson();
set_file_type();
$(".option").click((e) => {
enable_check(e);
});
$(".possibility").keyup((e) => {
enable_check(e);
});
$(window).scroll(() => {
let self = this;
if (
!$("#status-indicator").length &&
!self.marked_as_complete &&
$(".title").hasClass("is-member")
) {
self.marked_as_complete = true;
mark_progress();
}
});
$("#summary").click((e) => {
add_to_local_storage();
quiz_summary(e);
});
$("#check").click((e) => {
check_answer(e);
});
$("#next").click((e) => {
add_to_local_storage();
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 = "";
if ($(".active-question").length && !self.quiz_submitted) {
quiz_summary();
}
});
}
if ($("#body").length) {
make_editor();
}
$("#file-type").change((e) => {
$("#file-type option:selected").each(function () {
self.file_type = $(this).val();
});
});
});
const save_current_lesson = () => {
if ($(".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 = () => {
let status = "Complete";
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();
show_certificate_if_course_completed(data);
},
});
};
const change_progress_indicators = () => {
$(".active-lesson .lesson-progress-tick").removeClass("hide");
};
const show_certificate_if_course_completed = (data) => {
if (
data.message == 100 &&
!$(".next").length &&
$("#certification").hasClass("hide")
) {
$("#certification").removeClass("hide");
}
};
const quiz_summary = (e = undefined) => {
e && e.preventDefault();
let quiz_name = $("#quiz-title").data("name");
let total_questions = $(".question").length;
let self = this;
frappe.call({
method: "lms.lms.doctype.lms_quiz.lms_quiz.quiz_summary",
args: {
quiz: quiz_name,
results: localStorage.getItem(quiz_name),
},
callback: (data) => {
$(".question").addClass("hide");
$("#summary").addClass("hide");
$("#quiz-form")
.parent()
.prepend(
`<div class="summary">
<div class="font-weight-bold"> ${__("Score")}: ${
data.message
}/${total_questions} </div>
</div>`
);
$("#try-again").removeClass("hide");
self.quiz_submitted = true;
},
});
};
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");
}
parse_options();
};
const parse_options = () => {
let type = $(".active-question").data("type");
if (type == "Choices") {
$(".active-question input").each((i, element) => {
is_answer_correct(type, element);
});
} else {
is_answer_correct(type, $(".active-question textarea"));
}
};
const is_answer_correct = (type, element) => {
let answer = decodeURIComponent($(element).val());
frappe.call({
async: false,
method: "lms.lms.doctype.lms_quiz.lms_quiz.check_answer",
args: {
question: $(".active-question").data("name"),
type: type,
answer: answer,
},
callback: (data) => {
type == "Choices"
? parse_choices(element, data.message)
: parse_possible_answers(element, data.message);
},
});
};
const parse_choices = (element, correct) => {
if ($(element).prop("checked")) {
self.answer.push(decodeURIComponent($(element).val()));
correct && self.is_correct.push(1);
correct ? add_icon(element, "check") : add_icon(element, "wrong");
} else {
correct && self.is_correct.push(0);
correct
? add_icon(element, "minus-circle-green")
: add_icon(element, "minus-circle");
}
};
const parse_possible_answers = (element, correct) => {
self.answer.push(decodeURIComponent($(element).val()));
if (correct) {
self.is_correct.push(1);
show_indicator("success", element);
} else {
self.is_correct.push(0);
show_indicator("failure", element);
}
};
const show_indicator = (class_name, element) => {
let label = class_name == "success" ? "Correct" : "Incorrect";
let icon =
class_name == "success" ? "#icon-solid-success" : "#icon-solid-error";
$(`<div class="answer-indicator ${class_name}">
<svg class="icon icon-md">
<use href=${icon}>
</svg>
<span style="font-weight: 500">${__(label)}</span>
</div>`).insertAfter(element);
};
const add_icon = (element, icon) => {
$(element).closest(".custom-checkbox").removeClass("active-option");
let label = $(element).siblings(".option-text").text();
$(element).siblings(".option-text").html(`
<div>
<img class="d-inline mr-3" src="/assets/lms/icons/${icon}.svg">
${label}
</div>
`);
};
const add_to_local_storage = () => {
let current_index = $(".active-question").attr("data-qt-index");
let quiz_name = $("#quiz-title").data("name");
let quiz_stored = JSON.parse(localStorage.getItem(quiz_name));
let quiz_obj = {
question_index: current_index,
answer: self.answer.join(),
is_correct: self.is_correct,
};
quiz_stored ? quiz_stored.push(quiz_obj) : (quiz_stored = [quiz_obj]);
localStorage.setItem(quiz_name, JSON.stringify(quiz_stored));
self.answer = [];
self.is_correct = [];
};
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, file.name);
}
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"),
},
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) {
const assignment = data.message;
const status = assignment.status;
let target = $(".attach-file");
target.addClass("hide");
target.siblings(".submit-work").addClass("hide");
target.siblings(".preview-work").removeClass("hide");
if (status != "Not Graded") {
let color = status == "Pass" ? "green" : "red";
$(".assignment-status")
.removeClass("hide")
.addClass(color)
.text(data.message.status);
target.siblings(".alert").addClass("hide");
$(".clear-work").addClass("hide");
if (assignment.comments) {
$(".comments").removeClass("hide");
$(".comment").text(assignment.comments);
}
}
target
.siblings(".preview-work")
.find("a")
.attr("href", assignment.assignment)
.text(assignment.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");
let self = this;
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"].value,
youtube: $("#youtube").text(),
quiz_id: $("#quiz-id").text(),
chapter: $("#title").data("chapter"),
preview: $("#preview").prop("checked") ? 1 : 0,
idx: $("#title").data("index"),
lesson: lesson ? lesson : "",
question: $("#assignment-question").text(),
file_type: self.file_type,
},
callback: (data) => {
frappe.show_alert({
message: __("Saved"),
indicator: "green",
});
setTimeout(() => {
window.location.href = window.location.href.split("?")[0];
}, 1000);
},
});
};
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: "Text Editor",
default: $(".body-data").html(),
},
],
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");
};
const set_file_type = () => {
let self = this;
let file_type = $("#file-type").data("type");
if (file_type) {
$("#file-type option").each((i, elem) => {
if ($(elem).val() == file_type) {
$(elem).attr("selected", true);
self.file_type = file_type;
}
});
}
};