Add basic many-to-many quota table

api/admin.py

@@ -24,7 +24,8 @@
     OrderItem,
     Pricing,
     Product,
-    ProductFormat)
+    ProductFormat,
+    ProductQuota)
 
 UserModel = get_user_model()
 
@@ -188,17 +189,22 @@ def response_change(self, request, obj):
             return HttpResponseRedirect(redirect_url)
         return super().response_change(request, obj)
 
+class ProductQuotaAdmin(CustomGeoModelAdmin):
+    pass
+
+class ProductQuotaInline(admin.TabularInline):
+    model = ProductQuota
+    extra = 1
 
 class ProductAdmin(CustomGeoModelAdmin):
     save_as = True
-    inlines = [ProductFormatInline]
+    inlines = [ProductFormatInline, ProductQuotaInline]
     raw_id_fields = ('metadata', 'group')
     exclude = ('ts',)
     search_fields = ['label']
     list_filter = ('product_status',)
     readonly_fields = ('thumbnail_tag',)
 
-
 class AbstractIdentityAdmin(CustomModelAdmin):
     list_display = ['last_name', 'first_name', 'company_name', 'email']
     search_fields = ['first_name', 'last_name', 'company_name', 'email']
@@ -281,3 +287,4 @@ def response_change(self, request, obj):
 admin.site.register(Pricing, PricingAdmin)
 admin.site.register(Product, ProductAdmin)
 admin.site.register(ProductFormat)
+admin.site.register(ProductQuota, ProductQuotaAdmin)

api/models.py

@@ -6,6 +6,7 @@
 from django.contrib.gis.db import models
 from django.contrib.gis.geos import MultiPolygon, Polygon
 from django.contrib.auth import get_user_model
+from django.contrib.auth.models import Group
 from django.contrib.postgres.search import SearchVectorField
 from django.contrib.postgres.indexes import GinIndex, BTreeIndex
 from django.utils import timezone
@@ -412,7 +413,6 @@ class Meta:
     def __str__(self):
         return self.name
 
-
 class Product(models.Model):
     """
     A product is mostly a table or a raster. It can also be a group of products.
@@ -482,12 +482,7 @@ class ProductStatus(models.TextChoices):
         default=settings.DEFAULT_PRODUCT_THUMBNAIL_URL,
     )
     ts = SearchVectorField(null=True)
-    bbox = settings.DEFAULT_EXTENT
-    geom = models.MultiPolygonField(
-        _("geom"),
-        srid=settings.DEFAULT_SRID,
-        default=MultiPolygon(Polygon.from_bbox(bbox)),
-    )
+
 
     class Meta:
         db_table = "product"
@@ -510,6 +505,22 @@ def thumbnail_tag(self):
 
     thumbnail_tag.short_description = _("thumbnail")
 
+class ProductQuota(models.Model):
+    user_group = models.ForeignKey(
+        Group, models.CASCADE, verbose_name=_("user_group")
+    )
+    product = models.ForeignKey(
+        Product, models.CASCADE, verbose_name=_("product"), default=1
+    )
+    bbox = settings.DEFAULT_EXTENT
+    geom = models.MultiPolygonField(
+        _("geom"),
+        srid=settings.DEFAULT_SRID,
+        default=MultiPolygon(Polygon.from_bbox(bbox)))
+    quota = models.FloatField(_("quota"))
+
+    def __str__(self):
+        return f'Quota for "{self.user_group}" in "{self.product}" is "{self.quota}"'
 
 class Order(models.Model):
     """