Restructure our python module. A lot.

src/pretix/base/admin.py

@@ -0,0 +1,134 @@
+from django.contrib import admin
+from django.contrib.auth.admin import UserAdmin
+from django.utils.translation import ugettext as _
+from django import forms
+
+from pretix.base.models import (
+    User, Organizer, OrganizerPermission, Event, EventPermission,
+    Property, PropertyValue, Item, ItemVariation, ItemCategory
+)
+
+
+class PretixUserCreationForm(forms.ModelForm):
+
+    """
+    A form that creates a user, with no privileges, from the given username and
+    password.
+    """
+    error_messages = {
+        'password_mismatch': _("The two password fields didn't match."),
+    }
+    password1 = forms.CharField(label=_("Password"),
+                                widget=forms.PasswordInput)
+    password2 = forms.CharField(label=_("Password confirmation"),
+                                widget=forms.PasswordInput,
+                                help_text=_("Enter the same password as above, for verification."))
+
+    class Meta:
+        model = User
+        fields = ("email", "username", "event")
+
+    def clean_password2(self):
+        password1 = self.cleaned_data.get("password1")
+        password2 = self.cleaned_data.get("password2")
+        if password1 and password2 and password1 != password2:
+            raise forms.ValidationError(
+                self.error_messages['password_mismatch'],
+                code='password_mismatch',
+            )
+        return password2
+
+    def save(self, commit=True):
+        user = super(PretixUserCreationForm, self).save(commit=False)
+        user.set_password(self.cleaned_data["password1"])
+        if commit:
+            user.save()
+        return user
+
+
+class PretixUserAdmin(UserAdmin):
+
+    fieldsets = (
+        (None, {'fields': ('identifier', 'event', 'username', 'password')}),
+        (_('Personal info'), {'fields': ('familyname', 'givenname', 'email')}),
+        (_('Locale'), {'fields': ('locale', 'timezone')}),
+        (_('Permissions'), {'fields': ('is_active', 'is_staff',
+                                       'groups', 'user_permissions')}),
+    )
+    list_display = ('identifier', 'event', 'username', 'email', 'givenname', 'familyname', 'is_staff')
+    search_fields = ('identifier', 'username', 'givenname', 'familyname', 'email')
+    ordering = ('identifier',)
+    list_filter = ('is_staff', 'is_active', 'groups')
+    add_form = PretixUserCreationForm
+
+
+class OrganizerPermissionInline(admin.TabularInline):
+
+    model = OrganizerPermission
+    extra = 2
+
+
+class OrganizerAdmin(admin.ModelAdmin):
+
+    model = Organizer
+    inlines = [OrganizerPermissionInline]
+    list_display = ('name', 'slug')
+    search_fields = ('name', 'slug')
+
+
+class EventPermissionInline(admin.TabularInline):
+
+    model = EventPermission
+    extra = 2
+
+
+class EventAdmin(admin.ModelAdmin):
+
+    model = Event
+    inlines = [EventPermissionInline]
+    list_display = ('name', 'slug', 'organizer', 'date_from')
+    search_fields = ('name', 'slug')
+    list_filter = ('date_from', 'locale', 'currency')
+
+
+class PropertyValueInline(admin.StackedInline):
+
+    model = PropertyValue
+    extra = 4
+
+
+class PropertyAdmin(admin.ModelAdmin):
+
+    model = Property
+    inlines = [PropertyValueInline]
+    list_display = ('name', 'event')
+    search_fields = ('name', 'event')
+
+
+class ItemCategoryAdmin(admin.ModelAdmin):
+
+    model = ItemCategory
+    list_display = ('name', 'event')
+    search_fields = ('name', 'event')
+
+
+class ItemVariationInline(admin.TabularInline):
+
+    model = ItemVariation
+    extra = 4
+
+
+class ItemAdmin(admin.ModelAdmin):
+
+    model = Item
+    inlines = [ItemVariationInline]
+    list_display = ('name', 'event', 'category')
+    search_fields = ('name', 'event', 'category', 'short_description')
+
+
+admin.site.register(User, PretixUserAdmin)
+admin.site.register(Organizer, OrganizerAdmin)
+admin.site.register(Event, EventAdmin)
+admin.site.register(Property, PropertyAdmin)
+admin.site.register(Item, ItemAdmin)
+admin.site.register(ItemCategory, ItemCategoryAdmin)