From c38b194f9cdbb45cb646156a46f811294e40fc0b Mon Sep 17 00:00:00 2001
From: Luca <Luca@hackerspace-bamberg.de>
Date: Mon, 16 May 2022 16:48:32 +0200
Subject: [PATCH] Implement bulk message sending

---
 .../migrations/0008_alter_message_sent_at.py  | 18 ++++++++++
 shiftregister/app/models.py                   |  2 +-
 shiftregister/app/templates/register.html     |  2 +-
 shiftregister/team/forms.py                   |  6 ++++
 .../team/templates/bulk_message.html          | 21 ++++++++++++
 shiftregister/team/templates/team_base.html   |  1 +
 shiftregister/team/urls.py                    |  1 +
 shiftregister/team/views.py                   | 34 +++++++++++++++++--
 8 files changed, 81 insertions(+), 4 deletions(-)
 create mode 100644 shiftregister/app/migrations/0008_alter_message_sent_at.py
 create mode 100644 shiftregister/team/templates/bulk_message.html

diff --git a/shiftregister/app/migrations/0008_alter_message_sent_at.py b/shiftregister/app/migrations/0008_alter_message_sent_at.py
new file mode 100644
index 0000000..7273d2e
--- /dev/null
+++ b/shiftregister/app/migrations/0008_alter_message_sent_at.py
@@ -0,0 +1,18 @@
+# Generated by Django 4.0.4 on 2022-05-16 14:13
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("app", "0007_shiftregistration_state"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="message",
+            name="sent_at",
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+    ]
diff --git a/shiftregister/app/models.py b/shiftregister/app/models.py
index 49a4383..f78cd5c 100644
--- a/shiftregister/app/models.py
+++ b/shiftregister/app/models.py
@@ -149,7 +149,7 @@ class Message(models.Model):
     text = models.CharField(max_length=160)
     to = models.ForeignKey(Helper, on_delete=models.CASCADE)
     created_at = models.DateTimeField(auto_now_add=True)
-    sent_at = models.DateTimeField(null=True)
+    sent_at = models.DateTimeField(blank=True, null=True)
 
     def __str__(self):
         return f"{self.to.name}({self.created_at}): {self.text}"
diff --git a/shiftregister/app/templates/register.html b/shiftregister/app/templates/register.html
index 7aadfed..bae4ef8 100644
--- a/shiftregister/app/templates/register.html
+++ b/shiftregister/app/templates/register.html
@@ -18,7 +18,7 @@
         </div>
 {% endif %}
 {% for error in field.errors %}
-        <p class="help is-danger"> {{ error }}</p>
+        <p class="help is-danger">{{ error }}</p>
 {% endfor %}
 {% if field.help_text %}
         <p class="help">{{ field.help_text }}</p>
diff --git a/shiftregister/team/forms.py b/shiftregister/team/forms.py
index 7a47018..2bd0a3f 100644
--- a/shiftregister/team/forms.py
+++ b/shiftregister/team/forms.py
@@ -10,3 +10,9 @@ class HelperShift(forms.Form):
     helper = forms.ModelChoiceField(
         label="Helfer*in", queryset=Helper.objects.order_by("name")
     )
+
+
+class BulkMessage(forms.Form):
+    message = forms.CharField(
+        label="Nachricht", widget=forms.Textarea(attrs={"class": "textarea"})
+    )
diff --git a/shiftregister/team/templates/bulk_message.html b/shiftregister/team/templates/bulk_message.html
new file mode 100644
index 0000000..679b7b1
--- /dev/null
+++ b/shiftregister/team/templates/bulk_message.html
@@ -0,0 +1,21 @@
+{% extends "team_base.html" %}
+
+{% block title %}Massen-Nachricht{% endblock %}
+{% block content %}
+<h3 class="title">Massen-Nachricht versenden</h3>
+<form action="" method="post">
+    {% csrf_token %}
+{% for field in form %}
+    <div class="field">
+        <label class="label" for="{{ field.id_for_label }}">{{ field.label }}</label>
+        <div class="control">
+            {{ field }}
+        </div>
+{% for error in field.errors %}
+        <p class="help is-danger">{{ error }}</p>
+{% endfor %}
+    </div>
+{% endfor %}
+    <button class="button is-primary" type="submit">Versenden</button>
+</form>
+{% endblock %}
diff --git a/shiftregister/team/templates/team_base.html b/shiftregister/team/templates/team_base.html
index bae2910..b3f2acf 100644
--- a/shiftregister/team/templates/team_base.html
+++ b/shiftregister/team/templates/team_base.html
@@ -7,6 +7,7 @@
     <a class="navbar-item" href="{% url 'team:shift_overview' %}">Schichtübersicht</a>
     <a class="navbar-item" href="{% url 'team:shift_free' %}">Freie Schichten</a>
     <a class="navbar-item" href="{% url 'team:shift_all' %}">Alle Schichten</a>
+    <a class="navbar-item" href="{% url 'team:bulk_message' %}">Massen-Nachricht</a>
 </div>
 <div class="navbar-end"></div>
 {% endblock %}
diff --git a/shiftregister/team/urls.py b/shiftregister/team/urls.py
index 6c9df3d..a2660b3 100644
--- a/shiftregister/team/urls.py
+++ b/shiftregister/team/urls.py
@@ -10,4 +10,5 @@ urlpatterns = [
     path("free_shifts/", views.FreeShiftList.as_view(), name="shift_free"),
     path("shift/<int:pk>", views.shift_detail, name="shift"),
     path("helper/<int:pk>", views.HelperDetail.as_view(), name="helper"),
+    path("message/", views.bulk_message, name="bulk_message"),
 ]
diff --git a/shiftregister/team/views.py b/shiftregister/team/views.py
index 818001a..3bb27e6 100644
--- a/shiftregister/team/views.py
+++ b/shiftregister/team/views.py
@@ -3,11 +3,11 @@ from django.contrib.auth.decorators import login_required
 from django.utils import timezone
 from django.db.models.fields import DateTimeField
 from django.db.models import F, Count, Q, ExpressionWrapper
-from .models import ShiftRegistration, Room, Shift, Helper
+from .models import ShiftRegistration, Room, Shift, Helper, Message
 from django.views.generic import DetailView, ListView
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.contrib import messages
-from .forms import HelperShift
+from .forms import BulkMessage, HelperShift
 
 # Create your views here.
 def index(request):
@@ -77,6 +77,36 @@ def shift_detail(request, pk):
     return render(request, "shift_detail.html", context)
 
 
+@login_required
+def bulk_message(request):
+    form = BulkMessage()
+
+    if request.method == "POST":
+        form = BulkMessage(request.POST)
+        if form.is_valid():
+            try:
+                Message.objects.bulk_create(
+                    (
+                        Message(text=form.cleaned_data["message"], to=helper)
+                        for helper in Helper.objects.all()
+                    )
+                )
+                messages.add_message(
+                    request, messages.SUCCESS, "Massen-Nachricht erfolgreich versendet"
+                )
+            except:
+                messages.add_message(
+                    request,
+                    messages.ERROR,
+                    "Fehler beim Versenden der Massen-Nachricht",
+                )
+
+    context = {
+        "form": form,
+    }
+    return render(request, "bulk_message.html", context)
+
+
 class HelperDetail(LoginRequiredMixin, DetailView):
     template_name = "helper_detail.html"
     model = Helper