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feat: timer in quiz

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This commit is contained in:
Jannat Patel
2022-05-17 11:52:10 +05:30
parent 4fb2241621
commit c9b50e7db6
5 changed files with 150 additions and 53 deletions
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104
lms/www/batch/learn.js
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@@ -45,6 +45,12 @@ frappe.ready(() => {
clear_work(e);
});
$(".btn-start-quiz").click((e) => {
$("#start-banner").addClass("hide");
$("#quiz-form").removeClass("hide");
mark_active_question();
})
});
const save_current_lesson = () => {
@@ -65,19 +71,19 @@ const enable_check = (e) => {
};
const mark_active_question = (e = undefined) => {
var current_index;
var next_index = 1;
if (e) {
e.preventDefault();
current_index = $(".active-question").attr("data-qt-index");
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");
$(".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");
$(".explanation").addClass("hide");
initialize_timer();
};
const mark_progress = (e) => {
@@ -85,7 +91,7 @@ const mark_progress = (e) => {
if ($(e.currentTarget).prop("nodeName") != "INPUT")
e.preventDefault();
else
return
return;
const target = $(e.currentTarget).attr("data-progress") ? $(e.currentTarget) : $("input.mark-progress");
const current_status = $(".lesson-progress").hasClass("hide") ? "Incomplete": "Complete";
@@ -179,30 +185,30 @@ const try_quiz_again = (e) => {
window.location.reload();
};
const check_answer = (e) => {
e.preventDefault();
const check_answer = (e=undefined) => {
e && e.preventDefault();
clearInterval(self.timer);
$(".timer").addClass("hide");
var quiz_name = $("#quiz-title").text();
var total_questions = $(".question").length;
var current_index = $(".active-question").attr("data-qt-index");
var quiz_name = $("#quiz-title").text();
var total_questions = $(".question").length;
var current_index = $(".active-question").attr("data-qt-index");
$(".explanation").removeClass("hide");
$("#check").addClass("hide");
$(".explanation").removeClass("hide");
$("#check").addClass("hide");
if (current_index == total_questions) {
if ($(".eligible-for-submission").length) {
$("#summary").removeClass("hide")
if (current_index == total_questions) {
if ($(".eligible-for-submission").length) {
$("#summary").removeClass("hide");
}
else {
$("#submission-message").removeClass("hide");
}
}
else {
$("#submission-message").removeClass("hide");
$("#next").removeClass("hide");
}
}
else {
$("#next").removeClass("hide")
}
var [answer, is_correct] = parse_options();
add_to_local_storage(quiz_name, current_index, answer, is_correct)
var [answer, is_correct] = parse_options();
add_to_local_storage(quiz_name, current_index, answer, is_correct);
};
const parse_options = () => {
@@ -381,3 +387,35 @@ const fetch_assignments = () => {
}
});
};
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);
};