configured Django static/media root, admin filtering, admin sorting, custom filters, ordering, DjangoQL, custom admin actions

Author: duplxey

.gitignore

@@ -10,7 +10,8 @@ media
 
 # If your build process includes running collectstatic, then you probably don't need or want to include staticfiles/
 # in your Git repository. Update and uncomment the following line accordingly.
-# <django-project-name>/staticfiles/
+staticfiles/
+mediafiles/
 
 ### Django.Python Stack ###
 # Byte-compiled / optimized / DLL files

core/settings.py

@@ -38,6 +38,8 @@
     "django.contrib.messages",
     "django.contrib.staticfiles",
     "tickets.apps.TicketsConfig",
+    "djangoql",
+    "import_export",
 ]
 
 MIDDLEWARE = [
@@ -117,6 +119,10 @@
 # https://docs.djangoproject.com/en/4.2/howto/static-files/
 
 STATIC_URL = "static/"
+STATIC_ROOT = BASE_DIR / "staticfiles"
+
+MEDIA_URL = "media/"
+MEDIA_ROOT = BASE_DIR / "mediafiles"
 
 # Default primary key field type
 # https://docs.djangoproject.com/en/4.2/ref/settings/#default-auto-field

core/urls.py

@@ -17,6 +17,13 @@
 from django.contrib import admin
 from django.urls import path
 
+admin.site.site_title = "TicketsPlus site admin"
+admin.site.site_header = "TicketsPlus administration"
+admin.site.index_title = "Site administration"
+admin.site.site_url = "/"
+admin.site.enable_nav_sidebar = True
+admin.site.empty_value_display = "-"
+
 urlpatterns = [
-    path("admin/", admin.site.urls),
+    path("secretadmin/", admin.site.urls),
 ]

tickets/admin.py

@@ -1,21 +1,92 @@
 from django.contrib import admin
+from django.contrib.admin import SimpleListFilter
+from djangoql.admin import DjangoQLSearchMixin
+from import_export.admin import ExportActionModelAdmin, ImportExportActionModelAdmin
+
 from tickets.models import Venue, ConcertCategory, Concert, Ticket
 
 
+class ConcertInline(admin.TabularInline):
+    model = Concert
+    fields = ["name", "starts_at", "price", "tickets_left"]
+    readonly_fields = ["name", "starts_at", "price", "tickets_left"]
+    max_num = 0
+    extra = 0
+    can_delete = False
+    show_change_link = True
+
+
+class ConcertThroughInline(admin.TabularInline):
+    verbose_name = "concert"
+    verbose_name_plural = "concerts"
+    model = Concert.categories.through
+    fields = ["concert"]
+    readonly_fields = ["concert"]
+    max_num = 0
+    extra = 0
+    can_delete = False
+    show_change_link = True
+
+
 class VenueAdmin(admin.ModelAdmin):
-    pass
+    list_display = ["name", "address", "capacity"]
+    inlines = [ConcertInline]
 
 
 class ConcertCategoryAdmin(admin.ModelAdmin):
-    pass
+    inlines = [ConcertThroughInline]
+
+
+class SoldOutFilter(SimpleListFilter):
+    title = "Sold out"
+    parameter_name = "sold_out"
+
+    def lookups(self, request, model_admin):
+        return [
+            ("yes", "Yes"),
+            ("no", "No"),
+        ]
+
+    def queryset(self, request, queryset):
+        if self.value() == "yes":
+            return queryset.filter(tickets_left=0)
+        else:
+            return queryset.exclude(tickets_left=0)
+
+
+class ConcertAdmin(DjangoQLSearchMixin, admin.ModelAdmin):
+    list_display = ["name", "venue", "starts_at", "display_price", "tickets_left", "display_sold_out"]
+    list_filter = ["venue", SoldOutFilter]
+    readonly_fields = ["tickets_left"]
+    search_fields = ["name", "venue__name", "venue__address"]
+
+    def display_sold_out(self, obj):
+        return obj.is_sold_out()
+
+    display_sold_out.short_description = "Sold out"
+    display_sold_out.boolean = True
+
+    def display_price(self, obj):
+        return f"${obj.price}"
+
+    display_price.short_description = "Price"
+    display_price.admin_order_field = "price"
+
+
+@admin.action(description="Activate selected tickets")
+def activate_tickets(modeladmin, request, queryset):
+    queryset.update(is_active=True)
 
 
-class ConcertAdmin(admin.ModelAdmin):
-    pass
+@admin.action(description="Deactivate selected tickets")
+def deactivate_tickets(modeladmin, request, queryset):
+    queryset.update(is_active=False)
 
 
-class TicketAdmin(admin.ModelAdmin):
-    pass
+class TicketAdmin(ImportExportActionModelAdmin):
+    list_display = ["customer_full_name", "concert", "payment_method", "paid_at", "is_active"]
+    list_filter = ["payment_method", "paid_at", "is_active"]
+    actions = [activate_tickets, deactivate_tickets]
 
 
 admin.site.register(Venue, VenueAdmin)

tickets/management/commands/populate_db.py

@@ -13,11 +13,21 @@ class Command(BaseCommand):
     def handle(self, *args, **options):
         # populate the database with venues
         venues = [
-            Venue.objects.get_or_create(name="The O2 Arena", address="Peninsula Square, London SE10 0DX, United Kingdom", capacity=20000),
-            Venue.objects.get_or_create(name="Arena of Nîmes", address="Boulevard des Arènes, 30000 Nîmes, France", capacity=17000),
-            Venue.objects.get_or_create(name="Red Rocks Amphitheatre", address="18300 W Alameda, Morrison, CO, United States", capacity=9525),
-            Venue.objects.get_or_create(name="Dalhalla Amphitheatre", address="Dalhalla, 790 90 Rättvik, Sweden", capacity=4000),
-            Venue.objects.get_or_create(name="The Fillmore", address="1805 Geary Blvd, San Francisco, CA, United States", capacity=1250),
+            Venue.objects.get_or_create(
+                name="The O2 Arena", address="Peninsula Square, London SE10 0DX, United Kingdom", capacity=960,
+            ),
+            Venue.objects.get_or_create(
+                name="Arena of Nîmes", address="Boulevard des Arènes, 30000 Nîmes, France", capacity=720,
+            ),
+            Venue.objects.get_or_create(
+                name="Red Rocks Amphitheatre", address="18300 W Alameda, Morrison, CO, United States", capacity=640,
+            ),
+            Venue.objects.get_or_create(
+                name="Dalhalla Amphitheatre", address="Dalhalla, 790 90 Rättvik, Sweden", capacity=800,
+            ),
+            Venue.objects.get_or_create(
+                name="The Fillmore", address="1805 Geary Blvd, San Francisco, CA, United States", capacity=620,
+            ),
         ]
 
         # populate the database with categories
@@ -26,7 +36,7 @@ def handle(self, *args, **options):
             ConcertCategory.objects.get_or_create(name=category)
 
         # populate the database with concerts
-        concert_prefix = ["Underground", "Midnight", "Late Night", "Secret", "", "", "", "", "", "", "", "", "", ""]
+        concert_prefix = ["Underground", "Midnight", "Late Night", "Secret", "" * 10]
         concert_suffix = ["Party", "Rave", "Concert", "Gig", "Revolution", "Jam", "Tour"]
         for i in range(10):
             venue = random.choice(venues)[0]
@@ -35,23 +45,26 @@ def handle(self, *args, **options):
                 name=f"{random.choice(concert_prefix)} {category.name} {random.choice(concert_suffix)}",
                 description="",
                 venue=venue,
-                starts_at=datetime.now(pytz.utc) + timedelta(days=random.randint(1, 365)),
-                price=random.randint(10, 100)
+                starts_at=datetime.now(pytz.utc)
+                + timedelta(days=random.randint(1, 365)),
+                price=random.randint(10, 100),
             )
             concert.categories.add(category)
             concert.save()
 
         # populate the database with ticket purchases
         names = ["James", "John", "Robert", "Michael", "William", "David", "Richard", "Joseph", "Thomas", "Charles"]
         surname = ["Smith", "Jones", "Taylor", "Brown", "Williams", "Wilson", "Johnson", "Davies", "Patel", "Wright"]
-        for i in range(200):
+        for i in range(500):
             concert = Concert.objects.order_by("?").first()
             Ticket.objects.create(
                 concert=concert,
                 customer_full_name=f"{random.choice(names)} {random.choice(surname)}",
-                payment_method=random.choice(["CC", "DC", "ET", "BC"]),
+                payment_method=random.choice(["CC", "CC", "CC", "CC", "DC", "DC", "ET", "BC"]),
                 paid_at=datetime.now(pytz.utc) - timedelta(days=random.randint(1, 365)),
-                is_active=random.choice([True, False])
+                is_active=random.choice([True, False]),
             )
+            concert.tickets_left -= 1
+            concert.save()
 
-        self.stdout.write(self.style.SUCCESS("Successfully populated the database."))
+        self.stdout.write(self.style.SUCCESS("Successfully populated the database."))

tickets/models.py

@@ -32,12 +32,18 @@ class Concert(models.Model):
     price = models.DecimalField(max_digits=6, decimal_places=2)
     tickets_left = models.IntegerField(default=0)
 
+    class Meta:
+        ordering = ["starts_at"]
+
     def save(self, force_insert=False, force_update=False, using=None, update_fields=None):
         if self.pk is None:
             self.tickets_left = self.venue.capacity
 
         super().save(force_insert, force_update, using, update_fields)
 
+    def is_sold_out(self):
+        return self.tickets_left == 0
+
     def __str__(self):
         return f"{self.venue}: {self.name}"