Added delete functionality for events. Additionally, made improvements and fixed to the validation for event creation.

allauthdemo/polls/urls.py

@@ -27,6 +27,7 @@ urlpatterns = [
     url(r'^(?P<event_id>[0-9]+)/encrypt/$', login_required(views.event_addec), name='enc-event'),
     url(r'^(?P<pk>[0-9]+)/launch/$', views.EventDetailLaunchView.as_view(), name='launch-event'),
     url(r'^edit/(?P<event_id>[0-9]+)/$', login_required(views.edit_event), name='edit-event'),
+    url(r'^delete/(?P<event_id>[0-9]+)/$', login_required(views.del_event), name='del-event'),
     url(r'^(?P<event_id>[0-9]+)/create/poll/$', login_required(views.manage_questions), name='create-poll'),
     url(r'^(?P<event_id>[0-9]+)/poll/(?P<poll_num>[0-9]+)/$', login_required(views.view_poll), name='view-poll'),
     url(r'^(?P<event_id>[0-9]+)/poll/(?P<poll_num>[0-9]+)/edit$', login_required(views.edit_poll), name='edit-poll'),

allauthdemo/polls/views.py

@@ -297,7 +297,7 @@ def create_event(request):
         # TODO: Based on whether validation was successful within update model and whether
         # TODO: data was actually persisted, either perform a redirect (success) or flag an error
 
-        return HttpResponseRedirect("/event/")
+        return HttpResponseRedirect(reverse('polls:index'))
     elif request.method == "GET":
         # Obtain context data for the rendering of the html template
         events = Event.objects.all()
@@ -354,6 +354,14 @@ def edit_event(request, event_id):
 
 #class CreatePoll(generic.View):
 
+def del_event(request, event_id):
+    event = get_object_or_404(Event, pk=event_id)
+    if request.method == "GET":
+        return render(request, "polls/del_event.html", {"event_title": event.title, "event_id": event.id})
+    elif request.method == "POST":
+        event.delete()
+        return HttpResponseRedirect(reverse('polls:index'))
+
 def can_vote(user, event):
     if event.voters.filter(email=user.email).exists():
         return True

allauthdemo/templates/polls/create_event.html

@@ -31,7 +31,6 @@
 <!-- The following UI was ported from the Election Authority UI in DEMOS1 by Vincent de Almeida -->
 <!-- The DEMOS1 repository can be found at: https://github.com/mlevogiannis/demos-voting -->
 <!-- TODO: look into i18n translations as this was a feature implemented in DEMOS1 -->
-<hr/>
 <div class="container">
     <div class="page-header">
         <h2>Create New Event with Polls</h2>
@@ -105,6 +104,9 @@
                       <span id="vote-end-input-error-block" class="help-block errorText">
                         <!-- Errors flagged here -->
                       </span>
+                      <span id="event-timings-error-block" class="help-block errorText">
+                        <!-- Errors flagged here -->
+                      </span>
                   </div>
                 </div>
                 <!-- Questions -->
@@ -112,7 +114,7 @@
                   <label for="questions-input" class="col-sm-3 col-md-2 control-label">Polls:</label> <!-- This text can be a template variable -->
                   <div class="col-sm-9 col-md-10">
                     <div class="form-group">
-                        <table id="questions-input-table" class="table table-hover">
+                        <table id="polls-input-table" class="table table-hover">
                           <thead>
                             <tr>
                               <th class="text-center">#</th>
@@ -120,9 +122,9 @@
                               <th class="text-center">Actions</th>
                             </tr>
                           </thead>
-                          <tbody class="formset questions-formset" data-formset-prefix="questions" data-formset-type="modal" data-formset-modal-title="Add a New Poll">
+                          <tbody class="formset questions-formset" data-formset-prefix="polls" data-formset-type="modal" data-formset-modal-title="Add a New Poll">
-                            <!-- Question / Statement -->
+                            <!-- Poll -->
-                            <tr class="formset-form formset-form-empty hidden" data-formset-form-prefix="question">
+                            <tr class="formset-form formset-form-empty hidden" data-formset-form-prefix="poll">
                               <!-- # -->
                               <td class="formset-form-index text-center" scope=row>
                                 1
@@ -228,7 +230,7 @@
                                           </table>
                                           <div class="clearfix">
                                               <button type="button" class="btn btn-primary formset-add" data-formset-prefix="options">
-                                                <i class="fa fa-plus-circle" aria-hidden="true"></i>
+                                                <span class="glyphicon glyphicon-plus" aria-hidden="true"></span>
                                                 Add Poll Option
                                               </button>
                                           </div>
@@ -245,11 +247,11 @@
                                         <div class="row">
                                                 <div class="col-xs-6">
                                                   <label class="sr-only" for="minimum-input">Minimum</label>
-                                                  <input type="number" class="form-control min-input" id="minimum-input" placeholder="Minimum" value="" name="minimum-input" min="0"> <!-- TODO: Max should be set to the number of options -->
+                                                  <input type="number" class="form-control min-input" id="minimum-input" placeholder="Minimum" value="" name="minimum-input" min="0" max="2"> <!-- Max is the default number of options initially displayed (2) -->
                                                 </div>
                                                 <div class="col-xs-6">
                                                   <label class="sr-only" for="maximum-input">Maximum</label>
-                                                  <input type="number" class="form-control max-input" id="maximum-input" placeholder="Maximum" value="" name="maximum-input" min="1"> <!-- TODO: Max should be set to the number of options -->
+                                                  <input type="number" class="form-control max-input" id="maximum-input" placeholder="Maximum" value="" name="maximum-input" min="1" max="2"> <!-- Max is the default number of options initially displayed (2) -->
                                                 </div>
                                           </div>
                                           <span id="question-input-help-block" class="help-block">
@@ -265,21 +267,21 @@
                           </tbody>
                         </table>
                         <div class="clearfix">
-                          <button type="button" class="btn btn-primary formset-add" data-formset-prefix="questions">
+                          <button type="button" class="btn btn-primary formset-add" data-formset-prefix="polls">
-                            <i class="fa fa-plus-circle" aria-hidden="true"></i>
+                            <span class="glyphicon glyphicon-plus" aria-hidden="true"></span>
                             Add Poll
                           </button>
                         </div>
                         <span id="question-input-help-block" class="help-block">
                             Drag and drop to re-order polls.
                         </span>
-                        <span id="question-input-error-block" class="help-block errorText">
+                        <span id="polls-input-error-block" class="help-block errorText">
                             <!-- Errors flagged here -->
                         </span>
                       </div>
                   </div>
                 </div>
-                <!-- Number of Polls -->
+                <!-- { Hidden field: Number of Polls } -->
                 <input type="number" id="poll-count-input" name="poll-count-input" class="hidden">
                 <!-- Organisers -->
                 <div class="form-group">
@@ -357,7 +359,7 @@
                         </table>
                         <div class="clearfix">
                           <button type="button" class="btn btn-primary formset-add" data-formset-prefix="organisers">
-                            <i class="fa fa-plus-circle" aria-hidden="true"></i>
+                            <span class="glyphicon glyphicon-plus" aria-hidden="true"></span>
                             Add Organiser Email
                           </button>
                         </div>
@@ -446,7 +448,7 @@
                         </table>
                         <div class="clearfix">
                           <button type="button" class="btn btn-primary formset-add" data-formset-prefix="trustees">
-                            <i class="fa fa-plus-circle" aria-hidden="true"></i>
+                            <span class="glyphicon glyphicon-plus" aria-hidden="true"></span>
                             Add Trustee Email
                           </button>
                         </div>
@@ -468,10 +470,11 @@
                         Manually enter email addresses separated with commas. Alternatively, you can also upload a CSV file:
                       </span>
                       <label for="files" class="btn btn-primary">
+                          <span class="glyphicon glyphicon-cloud-upload"></span>
                           Upload CSV
                       </label>
                       <input type="file" id="files" name="file" class="btn-info">
-                      <h4 id="result" class="hidden"></h4>
+                      <h4 id="result" class="hidden successText"></h4>
                         <span id="voters-input-error-block" class="help-block errorText">
                             <!-- Errors flagged here -->
                         </span>

allauthdemo/templates/polls/del_event.html

@@ -0,0 +1,27 @@
+{% extends "bases/bootstrap-with-nav.html" %}
+{% load staticfiles %}
+{% load bootstrap3 %}
+
+
+{% block content %}
+
+<div class="container">
+    <div class="page-header">
+        <h3>Confirm Event Deletion</h3>
+    </div>
+    <div class="row">
+        <form method="POST" action="{% url 'polls:del-event' event_id %}" novalidate>
+            {% csrf_token %}
+            <label>Are you sure you want to delete the event '{{ event_title }}' ?</label>
+            <hr/>
+            <div class="confirm-footer">
+                <a href="{% url 'polls:index' %}">
+                    <span class="btn btn-default">Cancel</span>
+                </a>
+                <input type="submit" class="btn btn-danger delete" value="Delete"/>
+            </div>
+        </form>
+    </div>
+</div>
+
+{% endblock %}

allauthdemo/templates/polls/event_list.html

@@ -41,7 +41,7 @@
                            <a href="{% url 'polls:edit-event' event.id %}">
                               <span class="btn btn-default glyphicon glyphicon-pencil"></span>
                            </a>
-                           <a href="#">
+                           <a href="{% url 'polls:del-event' event.id %}">
                               <span class="btn btn-default glyphicon glyphicon-trash"></span>
                            </a>
                        </td>

static/css/main.css

@@ -137,13 +137,17 @@ div.formset_object {
   background-image: linear-gradient(to bottom, rgb(242, 222, 222) 0, rgb(242, 203, 208) 100%);
 }
 
-/* Error */
+/* Error / Success */
 .errorText {
   margin-top: 0.5em;
   font-weight: bold;
   color: red;
 }
 
+.successText {
+  color: green;
+}
+
 /* File uploading */
 input[type="file"] {
     display: none;

static/js/create-event-poll.js

@@ -10,13 +10,14 @@ var generalErrorBlock = document.getElementById('all-errors-help-block');
 var errors = [];
 var create = true;
 var pollCount = 0;
+var numOfOpts = 2;
 
 function finalisePolls() {
     // Update the value of the poll count input
     $('#poll-count-input').val(pollCount);
 
     // Remove the empty and hidden poll row from the poll table
-    var formset = $(".formset[data-formset-prefix='questions']");
+    var formset = $(".formset[data-formset-prefix='polls']");
     var emptyForm = formset.children('.formset-form-empty');
     emptyForm.remove();
 }
@@ -66,12 +67,14 @@ function isFormValid() {
     var slugValid = isSlugValid();
     var voteStartValid = isVoteStartValid();
     var voteEndValid = isVoteEndValid();
+    var eventTimingsValid = isEventTimingsValid();
+    var pollCountValid = isPollCountValid();
     var organisersEmailsValid = areOrganisersEmailsValid();
     var trusteesEmailsValid = areTrusteesEmailsValid();
     var votersListValid = isVotersListValid();
 
-    return nameValid && slugValid && voteStartValid && voteEndValid
+    return nameValid && slugValid && voteStartValid && voteEndValid && pollCountValid
-        && organisersEmailsValid && trusteesEmailsValid && votersListValid;
+        && eventTimingsValid && organisersEmailsValid && trusteesEmailsValid && votersListValid;
 }
 
 function validateFormField(validationFn, helpBlockId) {
@@ -201,13 +204,14 @@ $( "#vote-start-input" ).click(function() {
 });
 
 function isVoteEndValid() {
+    var helpBlockId = "vote-end-input-error-block";
     var end_date_time = $('#vote-end-input').val();
     var valid = isDateValid(end_date_time);
 
     if(valid === false) {
         checkAndAddError({
             error: "The voting end date and time format is invalid.",
-            helpBlockId: "vote-end-input-error-block"
+            helpBlockId: helpBlockId
         })
     }
 
@@ -222,10 +226,54 @@ $( "#vote-end-input" ).click(function() {
   $( "#vote-end-input" ).change();
 });
 
+// This is different to the start and end validation functions in that it will check whether or not
+// the start and end times overlap in an invalid way i.e. end time is before start etc.
+function isEventTimingsValid() {
+    var valid = true;
+    var helpBlockId = "event-timings-error-block";
+
+    // Extract the string val from the vote start and end input controls
+    var start_date_time = $('#vote-start-input').val();
+    var end_date_time = $('#vote-end-input').val();
+
+    // Convert the string vals to Date objects
+    var start_dateObj = new Date(start_date_time);
+    var end_dateObj = new Date(end_date_time);
+
+    // Ensure that the start date is before the end date and that the end date is after the start date
+    if(!(start_dateObj < end_dateObj && end_dateObj > start_dateObj)) {
+        checkAndAddError({
+           error: "The start date must be before the end date and the end after the start date.",
+           helpBlockId: "event-timings-error-block"
+        });
+
+        valid = false;
+    } else {
+        clearError(helpBlockId);
+    }
+
+    return valid;
+}
+
 function isDateValid(date_time) {
     return dateRegex.test(date_time);
 }
 
+function isPollCountValid() {
+    var valid = true;
+
+    if(pollCount < 1) {
+        checkAndAddError({
+            error: "You need to define at least 1 poll.",
+            helpBlockId: "polls-input-error-block"
+        });
+
+        valid = false;
+    }
+
+    return valid;
+}
+
 function isPollQValid() {
     var valid = true;
 
@@ -249,6 +297,15 @@ function isPollOptionsValid() {
     var optsInputs = $('.option-formset #option-name-input-' + pollCount);
     var helpBlockId = "options-input-error-block-" + pollCount;
 
+    if(numOfOpts < 1) {
+        checkAndAddError({
+            error: "There needs to be at least 1 option",
+            helpBlockId: helpBlockId
+        });
+
+        return false;
+    }
+
     var index = 0;
     var errorStr = "Option ";
     for(var i = 0; i < optsInputs.length; i++) {
@@ -287,7 +344,10 @@ function isMinMaxSelectionValid() {
     var errorStr = "";
 
     if(minInputVal === "" || minInputVal < minInputMinAttr) {
-        errorStr = "The minimum option selection cannot be less than " + minInputMinAttr + " or blank";
+        errorStr = "The minimum option selection value cannot be less than " + minInputMinAttr + " or blank";
+        valid = false;
+    } else if (minInputVal > numOfOpts) {
+        errorStr = "The minimum option selection value cannot be more than the number of options (" + numOfOpts + ")";
         valid = false;
     }
 
@@ -299,7 +359,15 @@ function isMinMaxSelectionValid() {
         if(errorStr !== '') {
             errorStr = errorStr + " and the maximum cannot be less than " + maxInputMinAttr + " or blank";
         } else {
-            errorStr = "The maximum option selection cannot be less than " + maxInputMinAttr + " or blank";
+            errorStr = "The maximum option selection value cannot be less than " + maxInputMinAttr + " or blank";
+        }
+
+        valid = false;
+    } else if (maxInputVal > numOfOpts) {
+        if (errorStr !== '') {
+            errorStr = errorStr + " and the same applies to the maximum";
+        } else {
+            errorStr = "The maximum option selection value (" + maxInputVal + ") cannot be more than the number of options (" + numOfOpts + ")";
         }
 
         valid = false;
@@ -445,13 +513,14 @@ $('.trustee-formset #trustee-email-input').on('input', function(e) {
 
 function isVotersListValid() {
     var valid = true;
+    var helpBlockId = "voters-input-error-block";
     var votersInputVal = $('#voters-list-input').val();
 
     // Check if the text area is blank
     if(votersInputVal === '') {
         checkAndAddError({
             error: "The voters list is blank.",
-            helpBlockId: "voters-input-error-block"
+            helpBlockId: helpBlockId
         });
 
         return false;
@@ -475,7 +544,7 @@ function isVotersListValid() {
         if (csvParseOutput.errors.length > 0) {
             checkAndAddError({
                 error: "The voters list contains invalid data. It should be a csv list containing voter email addresses.",
-                helpBlockId: "voters-input-error-block"
+                helpBlockId: helpBlockId
             });
 
             return false;
@@ -504,7 +573,7 @@ function isVotersListValid() {
 
         checkAndAddError({
            error: errorStr,
-           helpBlockId: "voters-input-error-block"
+           helpBlockId: helpBlockId
         });
     }
 
@@ -618,6 +687,9 @@ function processFileChange(event) {
                        totalNumEmails + " email(s) have been successfully uploaded.");
 
                     $('#voters-list-input').val(emails.join(', '));
+
+                    // Finally validate the form field
+                    validateFormField(isVotersListValid, "voters-input-error-block");
                 } else {
                     // There were errors, so inform the user
                     $('#result')
@@ -721,7 +793,7 @@ function update(event, ui) {
     updateFormset(formset);
 }
 
-$("#questions-input-table, #organisers-input-table, #trustees-input-table").sortable({
+$("#polls-input-table, #organisers-input-table, #trustees-input-table").sortable({
     items: "tr",
     update: update
 });
@@ -864,6 +936,28 @@ function isDialogFormValid() {
     return pollQValid && optsValid && minMaxSelValid;
 }
 
+function updateSelectionsMaxAtrr() {
+    var minInput = $('#minimum-input-' + pollCount);
+    var maxInput = $('#maximum-input-' + pollCount);
+
+    // Get the vals from the selection inputs and update them if they exceed the new max
+    var minInputVal = minInput.val();
+
+    if(minInputVal !== '' && (minInputVal > numOfOpts)) {
+        minInput.val(numOfOpts);
+    }
+
+    var maxInputVal = maxInput.val();
+
+    if(maxInputVal !== '' && (maxInputVal > numOfOpts)) {
+        maxInput.val(numOfOpts);
+    }
+
+    // Finally update the max attr to include the new total num of opts
+    minInput.attr("max", numOfOpts);
+    maxInput.attr("max", numOfOpts);
+}
+
 $('.formset-add').click(function (e) { // Ported from DEMOS1
     var formsetPrefix = $(this).attr('data-formset-prefix');
     var formset = $('.formset[data-formset-prefix="' + formsetPrefix + '"]');
@@ -871,10 +965,19 @@ $('.formset-add').click(function (e) { // Ported from DEMOS1
     var emptyFormCheckedInputs = emptyForm.find('input:checkbox:checked, input:radio:checked');
     var form = emptyForm.clone(true).removeClass('formset-form-empty');
 
-    // Update the IDs of the inputs of the dialogs based on the number of questions
+    switch (formsetPrefix) {
-    if(formsetPrefix === "questions") {
+        case "polls":
-        // Update the IDs and names of all of the cloned input form fields
+            // Update the IDs and names of all of the cloned input form fields based on the number of polls
             updateQuestionFormInputs(form);
+
+            // 2 is the default number shown upon the launch of the dialog
+            numOfOpts = 2;
+            break;
+        case "options-" + pollCount:
+            numOfOpts++;
+            updateSelectionsMaxAtrr();
+            clearError("options-input-error-block-" + pollCount);
+            break;
     }
 
     var formIndex = formset.children('.formset-form:not(.formset-form-empty)').length;
@@ -912,7 +1015,13 @@ $('.formset-form-remove').click(function (e) { // Ported from DEMOS1
 
     // Perform validation now that a row has been removed
     switch (formPrefix) {
+        case 'poll':
+            // TODO: A poll has been removed so we need to update the poll count
+            break;
         case 'option':
+            // Decrement the number of total options and validate the options list
+            numOfOpts--;
+            updateSelectionsMaxAtrr();
             validateFormField(isPollOptionsValid, "options-input-error-block-" + pollCount);
             break;
         case 'organiser':
@@ -935,7 +1044,10 @@ $('.formset-form-save').click(function (e) {
         form.find('.formset-form-name:first').text(name);
         modal.data('formSave', true);
         modal.modal('hide');
+
+        // Increment the poll count and clear any validation errors
         pollCount++;
+        clearError("polls-input-error-block");
     } else {
         //highlightErrors();
     }