Added voucher model.

lostplaces/lostplaces_app/admin.py

@@ -9,7 +9,6 @@ from django.contrib.auth.admin import UserAdmin
 from .models import *
 
 from .forms import ExplorerCreationForm, ExplorerChangeForm
-from .models import Explorer
 
 # Register your models here.
 
@@ -20,5 +19,6 @@ class ExplorerAdmin(UserAdmin):
     list_display = ['email', 'username',]
 
 admin.site.register(Explorer, ExplorerAdmin)
+admin.site.register(Voucher)
 admin.site.register(Place)
 admin.site.register(PlaceImage)

lostplaces/lostplaces_app/forms.py

@@ -5,7 +5,7 @@
 
 from django import forms
 from django.contrib.auth.forms import UserCreationForm, UserChangeForm
-from .models import Explorer, Place, PlaceImage
+from .models import Explorer, Place, PlaceImage, Voucher
 
 class ExplorerCreationForm(UserCreationForm):
     class Meta:
@@ -13,7 +13,6 @@ class ExplorerCreationForm(UserCreationForm):
         fields = ('username', 'email')
 
 class ExplorerChangeForm(UserChangeForm):
-
     class Meta:
         model = Explorer
         fields = ('username', 'email')

lostplaces/lostplaces_app/migrations/0005_voucher.py

@@ -0,0 +1,22 @@
+# Generated by Django 3.0.8 on 2020-08-01 10:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lostplaces_app', '0004_placeimage_submitted_by'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Voucher',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('code', models.CharField(max_length=10)),
+                ('created', models.DateField(auto_now_add=True)),
+                ('expires', models.DateField()),
+            ],
+        ),
+    ]

lostplaces/lostplaces_app/migrations/0006_auto_20200801_1037.py

@@ -0,0 +1,22 @@
+# Generated by Django 3.0.8 on 2020-08-01 10:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lostplaces_app', '0005_voucher'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='voucher',
+            name='id',
+        ),
+        migrations.AlterField(
+            model_name='voucher',
+            name='code',
+            field=models.CharField(max_length=10, primary_key=True, serialize=False, unique=True),
+        ),
+    ]

lostplaces/lostplaces_app/migrations/0007_auto_20200801_1039.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.8 on 2020-08-01 10:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lostplaces_app', '0006_auto_20200801_1037'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='voucher',
+            name='created',
+            field=models.DateTimeField(auto_now_add=True),
+        ),
+    ]

lostplaces/lostplaces_app/migrations/0008_auto_20200801_1044.py

@@ -0,0 +1,24 @@
+# Generated by Django 3.0.8 on 2020-08-01 10:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lostplaces_app', '0007_auto_20200801_1039'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='voucher',
+            name='id',
+            field=models.AutoField(auto_created=True, default=0, primary_key=True, serialize=False, verbose_name='ID'),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='voucher',
+            name='code',
+            field=models.CharField(max_length=10, unique=True),
+        ),
+    ]

lostplaces/lostplaces_app/models.py

@@ -22,6 +22,20 @@ class Explorer(AbstractUser):
     def __str__(self):
         return self.username
 
+class Voucher(models.Model):
+    """
+    Vouchers are authorization tokens to allow the registration of new users.
+    A voucher has a code, a creation and a deletion date, which are all positional.
+    Creation date is being set automatically during voucher creation.
+    """
+
+    code = models.CharField(unique=True, max_length=10)
+    created = models.DateTimeField(auto_now_add=True)
+    expires = models.DateField()
+
+    def __str__(self):
+        return "Voucher " + str(self.pk)
+
 class Place (models.Model):
     """
     Place defines a lost place (location, name, description etc.).
@@ -45,7 +59,7 @@ class Place (models.Model):
 
 def generate_image_upload_path(instance, filename):
     """
-    Callback for generating path for uploaded images
+    Callback for generating path for uploaded images.
     """
 
     return 'places/' + str(uuid.uuid4())+'.'+filename.split('.')[-1]
@@ -87,7 +101,7 @@ class PlaceImage (models.Model):
         Returning the name of the corresponding place + id 
         of this image as textual represntation of this instance
         """
-        
+
         return ' '.join([self.place.name, str(self.pk)])
 
 # These two auto-delete files from filesystem when they are unneeded:

lostplaces/lostplaces_app/views.py

@@ -11,7 +11,7 @@ from django.http import Http404
 from django.views.generic.edit import UpdateView
 
 from .forms import ExplorerCreationForm, PlaceForm, PlaceImageCreateForm
-from .models import Place, PlaceImage
+from .models import Place, PlaceImage, Voucher
 
 # Create your views here.