Merge pull request #9 from avraiel/event_management

Event management

redbrickboard/event_management/forms.py

 from accounts import models as accounts
 from django import forms
-from django.forms import ModelForm
-from .models import Event
-
-# class EventForm(forms.ModelForm):
-#     class Meta:
-#         model = Event
-#         fields = ["event_name", "event_datetime_start", "event_datetime_end", "event_organizer", "event_header", "last_time_bumped"]
+from django.forms import ModelForm, BaseModelFormSet, inlineformset_factory
+from .models import Event, Promo
 
 class EventForm(ModelForm):
-    # event_name = forms.CharField(label='Event Name', max_length=150)
-    # event_datetime_start = forms.DateTimeField(label='Event Start Date and Time')
-    # event_datetime_end = forms.DateTimeField(label='Event End Date and Time')
-    # event_organizer = forms.ModelChoiceField(label='Event Organizer', queryset=accounts.CustomUser.objects.all())
-    # event_header = forms.ImageField(label='Event Header Photo')
-    # last_time_bumped = forms.DateTimeField(label='Last Time Bump')
     class Meta:
         model = Event
         fields = "__all__"
-        # fields = ["event_name", "event_datetime_start", "event_datetime_end",
-        #           "event_organizer", "event_header", "last_time_bumped"]
-        # fields = ["event_datetime_start"]
         widgets = {
             'event_datetime_start':forms.TextInput(attrs={'type':'datetime-local'}),
             'event_datetime_end':forms.TextInput(attrs={'type':'datetime-local'}),
             'last_time_bumped':forms.TextInput(attrs={'type':'datetime-local'}),
-        }
\ No newline at end of file
+
+        }
+
+class PromoForm(ModelForm):
+    model = Promo
+    fields = "__all__"
+
+
+# Source for the whole formset integration:
+# https://www.letscodemore.com/blog/django-inline-formset-factory-with-examples/
+
+PromoFormSet = inlineformset_factory(
+    Event,
+    Promo,
+    form=PromoForm,
+    extra=1,
+    fields=['img'],
+    can_delete=True,
+    can_delete_extra=True
+)
\ No newline at end of file

redbrickboard/event_management/models.py

@@ -8,24 +8,12 @@ from uuid import uuid4
 # from datetime import timedelta
 
 class Event(models.Model):
-    def rename_image(path):
-        def wrapper(instance, filename):
-            ext = filename.split('.')[-1]
-            # get filename
-            if instance.pk:
-                filename = 'event{}header.{}'.format(instance.pk, ext)
-            else:
-                # set filename as random string
-                filename = '{}.{}'.format(uuid4().hex, ext)
-            # return the whole path to the file
-            return os.path.join(path, filename)
-        return wrapper
-
     event_name = models.CharField(default='', max_length=150)
+    event_description = models.TextField(default='', max_length=255)
     event_datetime_start = models.DateTimeField(default=timezone.now, null=False)
     event_datetime_end = models.DateTimeField(default=None, null=True)
     event_organizer = models.ForeignKey(accounts.CustomUser, on_delete=models.CASCADE, related_name='events_organized')
-    event_header = ResizedImageField(size=[815, 315], crop=['middle', 'center'], quality=75, force_format='WebP', upload_to=rename_image('headers/'))
+    event_header = ResizedImageField(quality=75, force_format='WebP', upload_to='headers/')
     last_time_bumped = models.DateTimeField()
 
     def __str__(self):
@@ -33,6 +21,9 @@ class Event(models.Model):
     
     def get_absolute_url(self):
         return reverse('event_management:event-details', kwargs={'pk': self.pk})
+    
+    def get_update_url(self):
+        return reverse('event_management:event-update', kwargs={'pk': self.pk})
 
     # def save(self, *args, **kwargs):
     #     if self.event_datetime_end is None:
@@ -42,8 +33,18 @@ class Event(models.Model):
     #     super(Event, self).save(*args, **kwargs)
 
 class Promo(models.Model):
-    img = models.ImageField(upload_to='images/', height_field=None, width_field=None, max_length=100, blank=True)
-    event_name = models.ForeignKey(Event, on_delete=models.CASCADE)
+    event = models.ForeignKey(
+        Event,
+        related_name="promos",
+        on_delete=models.CASCADE,
+        null=True)
+    img = ResizedImageField(quality=75, force_format='WebP', upload_to='promos/')
+
+    def __str__(self):
+        return self.event.event_name
+    
+    def get_absolute_url(self):
+        return reverse('event_management:event-details', kwargs={'pk': self.pk})
 
 class Comment(models.Model):
     event_comment = models.TextField(default='', max_length=255)

redbrickboard/event_management/templates/event_management/event-details.html

@@ -3,6 +3,14 @@
 {% block title %}Widget's Forum{% endblock %}
 {% block content %}
 <img src="{{ object.event_header.url }}" width = '300'/>
-<p><a href='{{ object.get_absolute_url }}'>{{ object }}</a></p>
-<p>{{ object.event_organizer }}</p>
+<p>{{ object }}</p>
+<p>{{object.event_description}}</p>
+<p>{{object.event_datetime_start}}</p>
+<p>{{object.event_datetime_end}}</p>
+<p>{{object.event_organizer }}</p>
+<p>{{object.last_time_bumped}}</p>
+{% for promo in object.promos.all %}
+    <img src="{{ promo.img.url }}"/>
+{% endfor %}
+<button type="button" onclick="location.href='{{ event.get_update_url }}'">Update</button>
 {% endblock %}

redbrickboard/event_management/templates/event_management/event-form.html

@@ -8,7 +8,7 @@
 {% load static %}
 {% block title %}Widget's Forum{% endblock %}
 {% block content %}
-    {{ form.non_field_errors }}
+    <!-- {{ form.non_field_errors }}
     {% for field in form %}
         {% if field.errors %}
             <p>{{ field.label }} has the following errors:</p>
@@ -18,10 +18,135 @@
                     {% endfor %}
             </ul>
         {% endif %}
-    {% endfor %}
+    {% endfor %} -->
     <form enctype="multipart/form-data" method="post">
         {% csrf_token %}
-        {{ form }}
-        <input type="submit" value="Save"/>
+        <!-- {{ form }} -->
+        <div class="card">
+            <div class="card-header card-header-secondary">
+                <h4 class="card-title">Add Event</h4>
+            </div>
+            {% for field in form %}
+            <div class="form-group card-body">
+                <label>{{field.label}}</label>
+                {% if field.field.required %}
+                    <span style="color: red;" class="required">*</span>
+                {% endif %}
+            
+                {{field}}
+                {% if field.help_text %}
+                    <small style="color: grey">{{ field.help_text }}</small>
+                {% endif %}
+                {% for error in field.errors %}
+                    <p style="color: red">{{ error }}</p>
+                {% endfor %}
+            </div>
+        {% endfor %}  
+        </div>
+        {% with named_formsets.images as formset %}
+            {{ formset.management_form }}
+            <script type="text/html" id="images-template">
+                <tr id="images-__prefix__" class= hide_all>
+                    {% for fields in formset.empty_form.hidden_fields %}
+                        {{ fields }}
+                    {% endfor %}
+                    {% for fields in formset.empty_form.visible_fields %}
+                        <td>{{ fields }}</td>
+                    {% endfor %}
+                </tr>
+            </script>
+            <div class="table-responsive card mt-4">
+                <div class="card-header card-header-secondary">
+                    <h4 class="card-title">Add Promotional Images</h4>
+                </div>
+                <table class="table card-body">
+                    <thead class="text-secondary">
+                        <th>Image <span style="color: red;" class="required">*</span></th>
+                        <th>Delete?</th>
+                        <th>Custom Delete btn</th>
+                    </thead>
+                    <tbody id="item-images">  <!-- id="item-inlineformsetname" -->
+                        <!-- formset non forms errors -->
+                        {% for error in formset.non_form_errors %}
+                            <span style="color: red">{{ error }}</span>
+                        {% endfor %}
+                        {% for formss in formset %}
+                            {{ formss.management_form }}
+                            <tr id="images-{{ forloop.counter0 }}" class= hide_all>  <!-- id="inlineformsetname-counter" -->
+                                {{ formss.id }}
+                                {% for field in formss.visible_fields %}
+                                    <td>
+                                        {{field}}
+                                        {% for error in field.errors %}
+                                            <span style="color: red">{{ error }}</span>
+                                        {% endfor %}
+                                    </td>
+                                {% endfor %}
+                                <!-- delete code -->
+                                {% if formss.instance.pk %}
+                                    <td>
+                                        <button type="button" class="btn btn-danger" data-toggle="modal" data-target="#exampleModal{{formss.instance.pk}}">
+                                            Delete
+                                        </button>
+                                        <!-- Modal -->
+                                        <div class="modal fade" id="exampleModal{{formss.instance.pk}}" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel{{formss.instance.pk}}" aria-hidden="true">
+                                            <div class="modal-dialog" role="document">
+                                            <div class="modal-content">
+                                                <div class="modal-header">
+                                                <h5 class="modal-title" id="exampleModalLabel{{formss.instance.pk}}">Are Your Sure You Want To Delete This?</h5>
+                                                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                                                    <span aria-hidden="true">&times;</span>
+                                                </button>
+                                                </div>
+                                                <div class="modal-footer">
+                                                    <a href="{% url 'event_management:delete_image' formss.instance.pk %}" type="button" class="btn btn-primary">Yes, Delete</a>
+                                                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
+                                                </div>
+                                            </div>
+                                            </div>
+                                        </div>
+                                    </td>            
+                                {% endif %}
+                            </tr>
+                        {% endfor %}
+                    </tbody>
+                </table>
+                <a href="#" id="add-image-button" class="btn btn-secondary add-images">Add More</a> <!-- id="add-inlineformsetname-button" -->
+            </div>
+        {% endwith %}
+        <div class="form-group">
+            <button type="submit" class="btn btn-secondary btn-block">Submit</button>
+        </div>
     </form>
+    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
+
+<script>
+    $(document).ready(function() {
+        // when user clicks add more btn of images
+      $('.add-images').click(function(ev) {
+          ev.preventDefault();
+          var count = $('#item-images').children().length;
+          var tmplMarkup = $('#images-template').html();
+          var compiledTmpl = tmplMarkup.replace(/__prefix__/g, count);
+          $('#item-images').append(compiledTmpl);
+  
+          // update form count
+          $('#id_images-TOTAL_FORMS').attr('value', count+1);
+      });
+  });
+
+  $(document).ready(function() {
+    // when user clicks add more btn of variants
+      $('.add-variants').click(function(ev) {
+          ev.preventDefault();
+          var count = $('#item-variants').children().length;
+          var tmplMarkup = $('#variants-template').html();
+          var compiledTmpl = tmplMarkup.replace(/__prefix__/g, count);
+          $('#item-variants').append(compiledTmpl);
+  
+          // update form count
+          $('#id_variants-TOTAL_FORMS').attr('value', count+1);
+      });
+  });
+</script>
 {% endblock %}
\ No newline at end of file

redbrickboard/event_management/templates/event_management/event-list.html

@@ -13,4 +13,5 @@
         </ul>
     {% endfor %}
 </ul>
+<button type="button" onclick="location.href='/events/add/'">Add Event</button>
 {% endblock %}

redbrickboard/event_management/urls.py

 from django.urls import path
 
-from .views import EventListView, EventDetailView, EventCreateView, EventUpdateView
+from .views import EventListView, EventDetailView, EventCreateView, EventUpdateView, delete_image
 
 urlpatterns = [
     path('', EventListView.as_view(), name='event-list'),
     path('<int:pk>/details', EventDetailView.as_view(), name='event-details'),
     path('add/', EventCreateView.as_view(), name='event-create'),
     path('<int:pk>/update', EventUpdateView.as_view(), name='event-update'),
+    path('int<pk>/delete-image', delete_image, name='delete_image'),
 ]
 
 app_name = "event_management"
\ No newline at end of file

redbrickboard/event_management/views.py

@@ -5,11 +5,53 @@ from django.views.generic.detail import DetailView
 from django.views.generic.list import ListView
 from django.views.generic.edit import CreateView, UpdateView
 
-from .forms import EventForm
-from .models import Event    
+from .forms import (EventForm, PromoFormSet)
+from .models import Event, Promo
+
+def delete_image(request, pk):
+    try:
+        image = Promo.objects.get(id=pk)
+    except Promo.DoesNotExist:
+        messages.success(
+            request, 'Object Does not exist'
+        )
+        return redirect('event_management:event-update', pk=image.event.id)
+
+    image.delete()
+    messages.success(
+        request, 'Image deleted successfully'
+    )
+    return redirect('event_management:event-update', pk=image.event.id)
+
+class PromoInline():
+    form_class = EventForm
+    template_name = 'event_management/event-form.html'
+
+    def form_valid(self, form):
+        named_formsets = self.get_named_formsets()
+        if not all((x.is_valid() for x in named_formsets.values())):
+            return self.render_to_response(self.get_context_data(form=form))
+        self.object = form.save()
+
+        for name, formset in named_formsets.items():
+            formset_save_func = getattr(self, 'formset_{0}_valid'.format(name), None)
+            if formset_save_func is not None:
+                formset_save_func(formset)
+            else:
+                formset.save()
+        return redirect('event_management:event-list')
+
+    def formset_images_valid(self, formset):
+        images = formset.save(commit=False)
+        for obj in formset.deleted_objects:
+            obj.delete()
+        for image in images:
+            image.event = self.object
+            image.save()
 
 class EventDetailView(DetailView):
     model = Event
+    fields = '__all__'
     template_name = 'event_management/event-details.html'
 
 class EventListView(ListView):
@@ -17,13 +59,43 @@ class EventListView(ListView):
     fields = '__all__'
     template_name = 'event_management/event-list.html'
 
-class EventCreateView(CreateView):
-    model = Event
-    form_class = EventForm
-    success_url = '/events/'
-    template_name = 'event_management/event-form.html'
+# class EventCreateView(CreateView):
+#     model = Event
+#     form_class = EventForm
+#     success_url = '/events/'
+#     template_name = 'event_management/event-form.html'
 
-class EventUpdateView(UpdateView):
+# class EventUpdateView(UpdateView):
+#     model = Event
+#     fields = '__all__'
+#     # success_url = 
+#     template_name = 'event_management/event-form.html'
+
+class EventCreateView(PromoInline, CreateView):
     model = Event
-    fields = '__all__'
-    template_name = 'event_management/event-form.html'
\ No newline at end of file
+    def get_context_data(self, **kwargs):
+        ctx = super(EventCreateView, self).get_context_data(**kwargs)
+        ctx['named_formsets'] = self.get_named_formsets()
+        return ctx
+    
+    def get_named_formsets(self):
+        if self.request.method == "GET":
+            return{
+                'images': PromoFormSet(prefix='images')
+            }
+        else:
+            return{
+                'images': PromoFormSet(self.request.POST or None, self.request.FILES or None, prefix='images')
+            }
+        
+class EventUpdateView(PromoInline, UpdateView):
+    model = Event
+    def get_context_data(self, **kwargs):
+        ctx = super(EventUpdateView, self).get_context_data(**kwargs)
+        ctx['named_formsets'] = self.get_named_formsets()
+        return ctx
+    
+    def get_named_formsets(self):
+        return {
+            'images': PromoFormSet(self.request.POST or None, self.request.FILES or None, instance=self.object, prefix='images'),
+        }
\ No newline at end of file