From 6eee6d196c1721badc5c0aaae54ac8282b3b8cd2 Mon Sep 17 00:00:00 2001
From: Timothy Hobbs <timothy@hobbs.cz>
Date: Mon, 21 Oct 2019 19:21:22 +0200
Subject: [PATCH] Add timeline view for ticket queries

---
 helpdesk/templates/helpdesk/ticket_list.html | 132 +++++++++++++------
 helpdesk/urls.py                             |   5 +
 helpdesk/views/staff.py                      |  40 ++++++
 3 files changed, 137 insertions(+), 40 deletions(-)

diff --git a/helpdesk/templates/helpdesk/ticket_list.html b/helpdesk/templates/helpdesk/ticket_list.html
index fdc395b0..f9818f99 100644
--- a/helpdesk/templates/helpdesk/ticket_list.html
+++ b/helpdesk/templates/helpdesk/ticket_list.html
@@ -30,58 +30,110 @@
 {% block helpdesk_body %}
 {% load in_list %}
 
-<div class="card mb-3">
+<div class="card">
     <div class="card-header">
-        <i class="fas fa-table"></i>
-        {% trans "Query Results" %}
+    <ul class="nav nav-tabs">
+        <li class="nav-item" style="width: 200px;">
+            {% trans "Query Results" %}: 
+        </li>
+        <li class="nav-item"">
+            <a class="nav-link active" href="#datatabletabcontents" id="datatabletabcontents-tab"  data-toggle="tab" role="tab" aria-controls="datatabletabcontents" aria-selected=true>
+            <i class="fas fa-th-list"></i>
+            {% trans "Table" %}
+            </a>
+        </li>
+        <li class="nav-item">
+            <a class="nav-link" href="#timelinetabcontents" id="timelinetabcontents-tab" data-toggle="tab" role="tab" aria-controls="timelinetabcontents" aria-selected=false>
+            <i class="fas fa-history"></i>
+             {% trans "Timeline" %}
+            </a>
+        </li>
+    </ul>
     </div>
     <div class="card-body">
         {{ search_message|safe }}
-        <form method='post' action='{% url 'helpdesk:mass_update' %}' id="ticket_mass_update">
-            <table width="100%" class="table table-sm table-striped table-bordered table-hover" id="ticketTable" data-page-length='{{ default_tickets_per_page }}'>
-                <thead class="thead-light">
-                    <tr>
-                        <th>&nbsp;</th>
-                        <th>{% trans "Ticket" %}</th>
-                        <th>{% trans "Prority" %}</th>
-                        <th>{% trans "Queue" %}</th>
-                        <th>{% trans "Status" %}</th>
-                        <th>{% trans "Created" %}</th>
-                        <th>{% trans "Due Date" %}</th>
-                        <th>{% trans "Owner" %}</th>
-                        <th>{% trans "Time Spent" %}</th>
-                    </tr>
-                </thead>
-            </table>
+        <div class="tab-content" id="myTabContent">
+            <div class="tab-pane fade show active" id="datatabletabcontents" role="tabpanel" aria-labelledby="datatabletabcontents-tab">
+                <form method='post' action='{% url 'helpdesk:mass_update' %}' id="ticket_mass_update">
+                    <table width="100%" class="table table-sm table-striped table-bordered table-hover" id="ticketTable" data-page-length='{{ default_tickets_per_page }}'>
+                        <thead class="thead-light">
+                            <tr>
+                                <th>&nbsp;</th>
+                                <th>{% trans "Ticket" %}</th>
+                                <th>{% trans "Prority" %}</th>
+                                <th>{% trans "Queue" %}</th>
+                                <th>{% trans "Status" %}</th>
+                                <th>{% trans "Created" %}</th>
+                                <th>{% trans "Due Date" %}</th>
+                                <th>{% trans "Owner" %}</th>
+                                <th>{% trans "Time Spent" %}</th>
+                            </tr>
+                        </thead>
+                    </table>
 
-            <p><label>{% trans "Select:" %} </label>
+                    <p><label>{% trans "Select:" %} </label>
 
-                <button id="select_all_btn" type="button" class="btn btn-primary btn-sm" />
-                <i class="fas fa-check-circle"></i>&nbsp;{% trans "All" %}
+                        <button id="select_all_btn" type="button" class="btn btn-primary btn-sm" />
+                        <i class="fas fa-check-circle"></i>&nbsp;{% trans "All" %}
                 </button>
 
                 <button id='select_none_btn' type="button" class="btn btn-primary btn-sm"><i class="fas fa-times-circle"></i>&nbsp;{% trans "None" %}</button>
 
                 <button id='select_inverse_btn' type="button" class="btn btn-primary btn-sm"><i class="fas fa-expand-arrows-alt"></i>&nbsp;{% trans "Invert" %}</button>
-            </p>
+                    </p>
 
-            <p>
-                <label for='id_mass_action'>{% trans "With Selected Tickets:" %}</label>
-                <select name='action' id='id_mass_action'>
-                    <option value='take'>{% trans "Take (Assign to me)" %}</option>
-                    <option value='delete'>{% trans "Delete" %}</option>
-                    <optgroup label='{% trans "Close" %}'>
-                        <option value='close'>{% trans "Close (Don't Send E-Mail)" %}</option>
-                        <option value='close_public'>{% trans "Close (Send E-Mail)" %}</option>
-                    </optgroup>
-                    <optgroup label='{% trans "Assign To" %}'>
-                        <option value='unassign'>{% trans "Nobody (Unassign)" %}</option>
-                        {% for u in user_choices %}<option value='assign_{{ u.id }}'>{{ u.get_username }}</option>{% endfor %}
-                    </optgroup>
-                </select>
-                <button type="submit" class="btn btn-primary btn-sm"><i class="fas fa-arrow-circle-right"></i>&nbsp;{% trans "Go" %}</button>
-            </p>
-        {% csrf_token %}</form>
+                    <p>
+                        <label for='id_mass_action'>{% trans "With Selected Tickets:" %}</label>
+                        <select name='action' id='id_mass_action'>
+                            <option value='take'>{% trans "Take (Assign to me)" %}</option>
+                            <option value='delete'>{% trans "Delete" %}</option>
+                            <optgroup label='{% trans "Close" %}'>
+                                <option value='close'>{% trans "Close (Don't Send E-Mail)" %}</option>
+                                <option value='close_public'>{% trans "Close (Send E-Mail)" %}</option>
+                            </optgroup>
+                            <optgroup label='{% trans "Assign To" %}'>
+                                <option value='unassign'>{% trans "Nobody (Unassign)" %}</option>
+                                {% for u in user_choices %}<option value='assign_{{ u.id }}'>{{ u.get_username }}</option>{% endfor %}
+                            </optgroup>
+                        </select>
+                        <button type="submit" class="btn btn-primary btn-sm"><i class="fas fa-arrow-circle-right"></i>&nbsp;{% trans "Go" %}</button>
+                    </p>
+                    {% csrf_token %}</form>
+
+            </div>
+            <div class="tab-pane fade" id="timelinetabcontents" role="tabpanel" aria-labelledby="timelinetabcontents-tab">
+                <div id='timeline-embed' style="width: 100%; height: 80vh"></div>
+                <!-- 1 -->
+                <link title="timeline-styles" rel="stylesheet" href="https://cdn.knightlab.com/libs/timeline3/latest/css/timeline.css">
+
+                <!-- 2 -->
+                <script src="https://cdn.knightlab.com/libs/timeline3/latest/js/timeline.js"></script>
+
+
+                <!-- 3 -->
+                <script type="text/javascript">
+                 // The TL.Timeline constructor takes at least two arguments:
+                 // the id of the Timeline container (no '#'), and
+                 // the URL to your JSON data file or Google spreadsheet.
+                 // the id must refer to an element "above" this code,
+                 // and the element must have CSS styling to give it width and height
+                 // optionally, a third argument with configuration options can be passed.
+                 // See below for more about options.
+                 var timeline_loaded = false;
+                 $(function () {
+                     $('#timelinetabcontents-tab').on('shown.bs.tab', function (e) {
+                         if(!timeline_loaded){
+                             timeline = new TL.Timeline(
+                                 'timeline-embed',
+                                 '{% url 'helpdesk:timeline_ticket_list' urlsafe_query %}',
+                             )
+                            timeline_loaded = true;
+                         }
+                 });
+                 })
+                </script>
+            </div>
+        </div>
     </div>
     <!-- /.panel-body -->
 </div>
diff --git a/helpdesk/urls.py b/helpdesk/urls.py
index d5acabd5..059b088d 100644
--- a/helpdesk/urls.py
+++ b/helpdesk/urls.py
@@ -151,6 +151,11 @@ urlpatterns = [
     url(r'^datatables_ticket_list/(?P<query>{})$'.format(base64_pattern),
         staff.datatables_ticket_list,
         name="datatables_ticket_list"),
+
+    url(r'^timeline_ticket_list/(?P<query>{})$'.format(base64_pattern),
+        staff.timeline_ticket_list,
+        name="timeline_ticket_list"),
+
 ]
 
 urlpatterns += [
diff --git a/helpdesk/views/staff.py b/helpdesk/views/staff.py
index 2d96208d..87e1b68a 100644
--- a/helpdesk/views/staff.py
+++ b/helpdesk/views/staff.py
@@ -975,6 +975,46 @@ def datatables_ticket_list(request, query):
     return (JsonResponse(result, status=status.HTTP_200_OK))
 
 
+@helpdesk_staff_member_required
+@api_view(['GET'])
+def timeline_ticket_list(request, query):
+    """
+    Datatable on ticket_list.html uses this view from to get objects to display
+    on the table. query_tickets_by_args is at lib.py, DatatablesTicketSerializer is in
+    serializers.py. The serializers and this view use django-rest_framework methods
+    """
+    tickets = get_query(query, HelpdeskUser(request.user))
+    events = []
+
+    def mk_timeline_date(date):
+        return {
+            'year': date.year,
+            'month': date.month,
+            'day': date.day,
+            'hour': date.hour,
+            'minute': date.minute,
+            'second': date.second,
+            'second': date.second,
+        }
+    for ticket in tickets:
+        for followup in ticket.followup_set.all():
+            event = {
+                'start_date': mk_timeline_date(followup.date),
+                'text': {
+                    'headline': ticket.title + '<br/>' + followup.title,
+                    'text': (followup.comment if followup.comment else _('No text')) + '<br/> <a href="%s" class="btn" role="button">%s</a>' %
+                    (reverse('helpdesk:view', kwargs={'ticket_id': ticket.pk}), _("View ticket")),
+                },
+                'group': _('Messages'),
+            }
+            events.append(event)
+
+    result = {
+        'events': events,
+    }
+    return (JsonResponse(result, status=status.HTTP_200_OK))
+
+
 @helpdesk_staff_member_required
 def edit_ticket(request, ticket_id):
     ticket = get_object_or_404(Ticket, id=ticket_id)