Calendar view

schedules/app/assets/javascripts/application.js

@@ -27,12 +27,12 @@ document.addEventListener('DOMContentLoaded', () => {
     this.schedule = new Schedule();
 });
 
-/** Loads FontAwesome icons on load; fixes weird flickering */
-document.addEventListener('turbolinks:load', () => {
-    FontAwesome.dom.i2svg();
-});
-
 const setSemester = async select => {
     const resp = await fetch(`/sessions/update?semester_id=${select.value}`);
     location.reload(true);
 };
+
+/** Loads FontAwesome icons on load; fixes weird flickering */
+document.addEventListener('turbolinks:load', () => {
+    FontAwesome.dom.i2svg();
+});

schedules/app/assets/javascripts/schedule.js

 class Schedule {
     constructor() {
         this.isOpen = false;
-        this._ids = Array.from(document.getElementById('schedule').children).map(e => e.dataset.crn);
+        this._courses = {}; // {title, id, sections: {id, crn}}
+
+        const cartData = document.querySelector('#cart-data');
+        const courses = Array.from(cartData.content.children);
+        for (const course of courses) {
+            const { id, title } = course.dataset;
+            const sections = Array.from(course.children).map(node => ({ ...node.dataset }));
+            this._courses[id] = { id, title, sections };
         }
+        document.getElementById('course-counter').innerText = Object.keys(this._courses).length;
 
-    get ids() {
-        return this._ids;
+        this._ids = Array.from(document.getElementById('schedule').children).map(e => e.dataset.crn);
     }
 
-    set ids(ids) {
-        this._ids = ids;
+    get crns() {
+        return Object.keys(this._courses)
+            .map(cid => this._courses[cid].sections.map(s => s.crn))
+            .reduce((prev, curr) => [...prev, ...curr], []);
+    }
 
-        document.getElementById('course-counter').innerText = ids.length;
-        fetch('/sessions/update?crns=' + ids.join(','), { cache: 'no-store' });
+    get ids() {
+        return Object.keys(this._courses)
+            .map(cid => this._courses[cid].sections.map(s => s.id))
+            .reduce((prev, curr) => [...prev, ...curr], []);
     }
 
     toggle() {
@@ -30,36 +42,111 @@ class Schedule {
         this.isOpen = !this.isOpen;
     }
 
-    addToSchedule(section) {
-        if (this.ids.includes(section.dataset.crn)) return;
+    addCourse(course) {
+        this._courses[course.id] = course;
+
+        const parent = document.querySelector('#schedule');
+        const current = parent.querySelector(`#schedule-${course.id}`);
+
+        const newNode = this._constructCourseNode(course);
+        if (current !== null) parent.replaceChild(newNode, current);
+        else parent.appendChild(newNode);
+
+        document.getElementById('course-counter').innerText = Object.keys(this._courses).length;
+        fetch(`/sessions/update?section_ids=${this.ids.join(',')}`, { cache: 'no-store' });
+    }
+
+    removeCourse(id) {
+        const sectionIds = this._courses[id].sections.map(s => s.id);
+        for (const sectionId of sectionIds) {
+            const sectionCard = document.querySelector(`#section-${sectionId}`);
+            sectionCard && sectionCard.classList.remove('selected');
+        }
 
-        this.ids = [...this.ids, section.dataset.crn];
+        delete this._courses[id];
 
-        section.classList.remove('section-item');
-        section.classList.remove('selected');
-        section.classList.add('schedule-section-card');
-        section.onclick = () => removeFromSchedule(section);
+        const parent = document.querySelector('#schedule');
+        const current = parent.querySelector(`#schedule-${id}`);
+        parent.removeChild(current);
 
-        document.getElementById('schedule').appendChild(section);
+        document.getElementById('course-counter').innerText = Object.keys(this._courses).length;
+        fetch(`/sessions/update?section_ids=${this.ids.join(',')}`, { cache: 'no-store' });
     }
 
-    removeFromSchedule(id) {
-        const cart = document.getElementById('schedule');
-        const section = cart.querySelector(`#section-${id}`);
-        cart.removeChild(section);
+    courseContainingSection(id) {
+        for (const courseId in this._courses) {
+            const course = this._courses[courseId];
+            for (const section of course.sections) {
+                if (section.id == id) return course;
+            }
+        }
+        return undefined;
+    }
 
-        this.ids = this.ids.filter(_id => _id != id);
+    includesSection(id) {
+        return !!this.courseContainingSection(id);
+    }
+
+    // section: { id, crn }
+    addSection(section) {
+        const course = this._courses[section.cid];
+        if (course) {
+            course.sections.push(section);
+
+            const courseNode = document.querySelector('#schedule').querySelector(`#schedule-${course.id}`);
+            const crnList = courseNode.querySelector('.crns');
+            crnList.innerText = course.sections.map(s => `#${s.crn}`);
+
+            fetch(`/sessions/update?section_ids=${this.ids.join(',')}`, { cache: 'no-store' });
+        } else {
+            const courseCard = document.getElementById(`course-${section.cid}`);
+            const title = courseCard.querySelector('#title').innerText;
+
+            this.addCourse({ title, id: section.cid, sections: [section] });
+        }
+    }
+
+    removeSection(section) {
+        const course = this.courseContainingSection(section.id);
+        course.sections = course.sections.filter(s => s.id !== section.id);
+        const schedule = document.querySelector('#schedule');
+        const courseNode = schedule.querySelector(`#schedule-${course.id}`);
+        const crnList = courseNode.querySelector('.crns');
+        if (course.sections.length === 0) {
+            this.removeCourse(section.cid);
+        } else {
+            crnList.innerText = course.sections.map(s => `#${s.crn}`);
+        }
+
+        fetch(`/sessions/update?section_ids=${this.ids.join(',')}`, { cache: 'no-store' });
     }
 
     async downloadIcs() {
-        const cal = await fetch(`/api/schedules?crns=${this.ids.join(',')}`);
+        const cal = await fetch(`/api/schedules?crns=${this.crns.join(',')}`);
         const text = await cal.text();
         var blob = new Blob([text], { type: 'text/calendar;charset=utf-8' });
         saveAs(blob, 'test.ics');
     }
 
     async addToSystemCalendar() {
-        const url = `webcal://${window.location.hostname}/api/schedule?crns=${this.ids.join(',')}`;
+        const url = `webcal://${window.location.hostname}/api/schedule?crns=${this.crns.join(',')}`;
         window.open(url, '_self');
     }
+
+    _constructCourseNode(course) {
+        let html = `<li id="schedule-${course.id}" class="list-group-item schedule-section-card" onclick="removeCourse(${course.id})">`;
+        html += `<div style="display: flex; justify-content: space-between;">`;
+        html += `<b style="min-width: 15%">${course.title}</b>`;
+        html += `<span class="crns" style="color: gray; font-size: 10pt;">`;
+        html += course.sections.map(s => `#${s.crn}`).join(', ');
+        html += `</span>`;
+        html += `</div>`;
+        html += `</li>`;
+
+        return elementFromString(html);
+    }
 }
+
+const removeCourse = id => {
+    this.schedule.removeCourse(id);
+};

schedules/app/assets/javascripts/search.js

@@ -3,17 +3,30 @@
 
 const sectionWithCrn = crn => document.getElementById('search-list').querySelector(`[data-crn="${crn}"]`);
 
+const addCourse = (event, id) => {
+    const courseCard = document.getElementById(`course-${id}`);
+    const title = courseCard.querySelector('#title').innerText;
+    const sectionsItems = Array.from(courseCard.querySelectorAll('li'));
+    const sections = sectionsItems.map(li => ({ ...li.dataset }));
+
+    this.schedule.addCourse({ title, id, sections });
+    sectionsItems.forEach(s => s.classList.add('selected'));
+
+    event.stopPropagation();
+};
 /**
  * Either adds or removes a section from the schedule depending on
  * if it is currently in the schedule.
  */
-const addOrRemoveFromSchedule = (event, section) => {
-    if (this.schedule.ids.includes(section.dataset.crn)) {
-        this.schedule.removeFromSchedule(section.dataset.crn);
-        section.classList.remove('selected');
+const addOrRemoveFromSchedule = (event, sectionNode) => {
+    const section = { ...sectionNode.dataset };
+
+    if (this.schedule.includesSection(section.id)) {
+        this.schedule.removeSection(section);
+        sectionNode.classList.remove('selected');
     } else {
-        this.schedule.addToSchedule(section.cloneNode(true));
-        section.classList.add('selected');
+        this.schedule.addSection(section);
+        sectionNode.classList.add('selected');
     }
 
     event.stopPropagation();

schedules/app/assets/stylesheets/application.scss

@@ -99,3 +99,12 @@ body {
     margin-bottom: 16px;
     padding: 12px;
 }
+
+#add-course-btn:hover {
+    background-color: rgba(0,0,0,0.2);
+}
+
+#calendar {
+    background-color: white;
+    padding: 16px;
+}

schedules/app/controllers/application_controller.rb

@@ -12,15 +12,17 @@ class ApplicationController < ActionController::Base
   end
 
   def set_cart
-    @cart = cookies[:crns].split(',').map do |crn|
-      s = CourseSection.find_by_crn(crn)
-      s if s.course.semester == @semester
+    sections = cookies[:section_ids].split(',').map do |id|
+      CourseSection.find_by_id(id)
     end
 
-    @cart.compact!
+    @cart = sections.group_by do |s|
+      s.course.id
+    end
   end
 
   def set_cookies
     cookies[:crns] = "" if cookies[:crns].nil?
+    cookies[:section_ids] = "" if cookies[:section_ids].nil?
   end
 end

schedules/app/controllers/schedules_controller.rb

@@ -15,4 +15,19 @@ class SchedulesController < ApplicationController
     @schedule = Schedule.new crns
     render plain: @schedule.to_ical # render a plaintext iCal file
   end
+
+  def show
+    @events = @cart.map do |_cid, sections|
+      s = sections.first
+      formatted_date = Date.today.to_s.tr('-', '')
+      formatted_time = Time.parse(s.start_time).strftime("%H%M%S")
+      formatted_endtime = Time.parse(s.end_time).strftime("%H%M%S")
+
+      {
+        title: s.name,
+        start: "#{formatted_date}T#{formatted_time}",
+        end: "#{formatted_date} #{formatted_endtime}"
+      }
+    end
+  end
 end

schedules/app/controllers/sessions_controller.rb

 class SessionsController < ApplicationController
   def update
     update_cookie :crns
+    update_cookie :section_ids
     update_cookie :semester_id
 
     head :ok

schedules/app/helpers/application_helper.rb

 module ApplicationHelper
+  def in_cart?(id)
+    @cart.select { |_cid, sections| sections.select { |s| s.id == id }.count.positive? }.count.positive?
+  end
 end

schedules/app/views/layouts/application.html.erb

@@ -5,10 +5,13 @@
 	<%= csrf_meta_tags %>
 
 	<%= javascript_include_tag 'masonstrap.min' %>
+	<%= javascript_include_tag 'moment.min' %>
+	<%= javascript_include_tag 'fullcalendar.min' %>
 	<%= javascript_include_tag 'FileSaver' %>
 	<%= javascript_include_tag 'application' %>
 	
 	<%= stylesheet_link_tag 'masonstrap.min' %>
+	<%= stylesheet_link_tag 'fullcalendar.min' %>
 	<%= stylesheet_link_tag 'application' %>
     </head>
 

schedules/app/views/schedules/show.html.erb

+<div id="calendar"></div>
+
+<template id="events" data-events="<%= @events.to_json %>"></template>
+
+<script>
+ /* const cal = document.querySelector('#calendar');
+  * var calendar = new Calendar(cal, {
+  *     defaultView: 'agendaWeek'
+  * }); */ 
+ document.addEventListener('DOMContentLoaded', () => {
+     const eventsJSON = document.querySelector('#events').dataset.events;
+     const events = JSON.parse(eventsJSON);
+     console.log(events);
+     $('#calendar').fullCalendar({
+	 defaultView: 'agendaWeek',
+	 header: { right: 'next'},
+	 events: events
+     });
+ });
+ 
+</script>

schedules/app/views/search/index.html.erb

@@ -5,8 +5,3 @@
     <p>Please try again!</p>
 <% end %>
 
-<%= javascript_tag do %>
-    document.addEventListener('DOMContentLoaded', () => {
-	this.search = new Search();
-    });
-<% end %>

schedules/app/views/shared/_cart.html.erb

@@ -4,10 +4,20 @@
 <div class="col order-1 order-lg-1" id="cart">
     <div class="card">
 	<div class="card-body">
-	    <h3 class="card-title">Your Schedule</h3>
+	    <h3 class="card-title"><%= link_to 'Your Schedule', schedule_path %></h3>
 	</div>
 	<ul class="list-group list-group-flush" id="schedule">
-	    <%= render partial: 'shared/section', collection: @cart, locals: { in_cart: true } %>
+	    <% @cart.each do |cid, sections| %>
+		<% course = Course.find_by_id(cid) %>
+		<li id="schedule-<%= cid %>" class="list-group-item schedule-section-card" onclick="removeCourse(<%= cid %>)">
+		    <div style="display: flex; justify-content: space-between;">
+			<b style="min-width: 15%"><%= "#{course.subject} #{course.course_number}" %></b>
+			<span class="crns" style="color: gray; font-size: 10pt;">
+			    <%= sections.map { |s| "##{s.crn}" }.join(', ') %>
+			</span>
+		    </div>
+		</li>
+	    <% end %>
 	</ul>
 	<div class="card-body">
 	    <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exportModal" onclick="setUrlInModal()">
@@ -17,6 +27,16 @@
     </div>
 </div>
 
+<template id="cart-data">
+    <% @cart.each do |cid, sections| %>
+	<% course = Course.find_by_id cid %>
+	<div data-id="<%= cid %>" data-title="<%= "#{course.subject} #{course.course_number}" %>">
+	    <% sections.each do |s| %>
+		<div data-id="<%= s.id %>" data-crn="<%= s.crn %>"></div>
+	    <% end %>
+	</div>
+    <% end %>
+</template>
 
 </div>
 </div>

schedules/app/views/shared/_course.html.erb

@@ -2,9 +2,17 @@
 
 <div class="card" id="course-<%= course.id %>" onclick="toggleSections(this)">
     <div class="card-body">
-    <div>
-      <h3 style="float: left"><%= "#{course.subject} #{course.course_number}" %></h3>
-      <h5 style="float: right"><em><%= course.title %></em>. <%= course.credits %> credits.</h5>
+	<div style="display: flex; justify-content: space-between">
+	    <h3 id="title"><%= "#{course.subject} #{course.course_number}" %></h3>
+	    <div style="display: flex; flex-direction: column; justify-content: center;">
+		<div style="display: flex">
+		    <h5><em><%= course.title %></em>. <%= course.credits %> credits.</h5>
+		    &nbsp;&nbsp;&nbsp;
+		    <h4 id="add-course-btn" onclick="addCourse(event, '<%= course.id %>');">
+			<i class="fas fa-plus" style="color: green"></i>
+		    </h4>
+		</div>
+	    </div>
 	</div>
 
 	<div style="clear: both"> </div>
@@ -25,9 +33,9 @@
 	<!-- List of Course Sections -->
 	<ul class="list-group list-group-flush" id="sections" style="display: <%= expanded ? "block" : "none" %>">
 	    <% if defined?(@instructor) %>
-	    <%= render partial: 'shared/section', collection: course.course_sections.where(instructor: @instructor), locals: { in_cart: false } %>
+		<%= render partial: 'shared/section', collection: course.course_sections.where(instructor: @instructor), locals: {course: course} %>
 	    <% else %>
-	    <%= render partial: 'shared/section', collection: course.course_sections, locals: { in_cart: false } %>
+		<%= render partial: 'shared/section', collection: course.course_sections, locals: {course: course} %>
 	    <% end %>
 	</ul>
     </div>

schedules/app/views/shared/_navbar.html.erb

@@ -7,7 +7,7 @@
 		    Schedules
 		</a>
 		<select onchange="setSemester(this)">
-		    <% for semester in Semester.all %>
+		    <% Semester.all.each do |semester| %>
 			<option value="<%= semester.id %>" <% if @semester == semester %> selected <% end %> >
 			    <%= "#{semester.season} #{semester.year}" %>
 			</option>

schedules/app/views/shared/_section.html.erb

-<% if in_cart %>
-    <li id="section-<%= section.crn %>"
-	class="list-group-item schedule-section-card"
-	data-crn="<%= section.crn %>"
-	onclick="removeFromSchedule(this)"
-    >
-	<span style="float:left"><b class="subj"><%= "#{section.name}" %></b>:  <%= section.title %></span>
-	<span style="float:right"><i class="fas fa-map-marker-alt"></i> <%= section.location %></span>
-	<div style="clear: both"></div>
-	<span style="float:left"><i class="fas fa-chalkboard-teacher"></i> <%= link_to section.instructor.name, instructor_path(section.instructor) %> </span>
-	<span style="float:right"><i class="fas fa-clock"></i> <%= "#{section.days}, #{section.start_time}-#{section.end_time}" %></span>
-	<div style="clear: both"></div>
-    </li>
-
-<% else %>
-    <li id="section-<%= section.crn %>"
-	class="list-group-item section-item <%= "selected" if @cart.include? section %>"
+<li id="section-<%= section.id %>"
+    class="list-group-item section-item <%= "selected" if in_cart? section.id %>"
     data-crn="<%= section.crn %>"
+    data-id="<%= section.id %>"
+    data-cid="<%= course.id %>"
     onclick="addOrRemoveFromSchedule(event, this)"
-    >
+>
     <span style="float:left"><b class="subj"><%= "#{section.name}" %></b>:  <%= section.title %></span>
     <span style="float:right"><i class="fas fa-map-marker-alt"></i> <%= section.location %></span>
     <div style="clear: both"></div>
     <span style="float:left"><i class="fas fa-chalkboard-teacher"></i> <%= link_to section.instructor.name, instructor_path(section.instructor) %></span>
     <span style="float:right"><i class="fas fa-clock"></i> <%= "#{section.days}, #{section.start_time}-#{section.end_time}" %></span>
     <div style="clear: both"></div>
-    </li>
-<% end  %>
-
+</li>
 

schedules/config/initializers/assets.rb

@@ -16,4 +16,7 @@ Rails.application.config.assets.precompile += %w(
   schedule.js
   masonstrap.min.css
   masonstrap.min.js
+  moment.min.js
+  fullcalendar.min.js
+  fullcalendar.min.css
 )

schedules/config/routes.rb

@@ -4,6 +4,7 @@ Rails.application.routes.draw do
   get 'sessions/update', as: 'update_session'
 
   resources :instructors, only: [:index, :show]
+  get 'schedule', to: 'schedules#show', as: 'schedule'
 
   scope :api do # Register /api routes
     resources :courses, only: [:index, :show]

schedules/lib/assets/javascripts/moment.min.js

+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):e.moment=t()}(this,function(){"use strict";var e,i;function c(){return e.apply(null,arguments)}function o(e){return e instanceof Array||"[object Array]"===Object.prototype.toString.call(e)}function u(e){return null!=e&&"[object Object]"===Object.prototype.toString.call(e)}function l(e){return void 0===e}function d(e){return"number"==typeof e||"[object Number]"===Object.prototype.toString.call(e)}function h(e){return e instanceof Date||"[object Date]"===Object.prototype.toString.call(e)}function f(e,t){var n,s=[];for(n=0;n<e.length;++n)s.push(t(e[n],n));return s}function m(e,t){return Object.prototype.hasOwnProperty.call(e,t)}function _(e,t){for(var n in t)m(t,n)&&(e[n]=t[n]);return m(t,"toString")&&(e.toString=t.toString),m(t,"valueOf")&&(e.valueOf=t.valueOf),e}function y(e,t,n,s){return Ot(e,t,n,s,!0).utc()}function g(e){return 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