Merchandise sales moneybird integration

website/merchandise/admin.py

@@ -1,8 +1,26 @@
 """Registers admin interfaces for the models defined in this module."""
+
 from django.contrib import admin
 from django.contrib.admin import ModelAdmin
+from django.shortcuts import redirect
+from django.urls import reverse
+
+from sales.admin import ProductAdmin, ProductListAdmin, ProductListItemInline
+from sales.models.product import Product, ProductList
+
+from .models import MerchandiseItem, MerchandiseProduct
+
 
-from .models import MerchandiseItem
+class MerchandiseProductInline(admin.TabularInline):
+    """Inline admin interface for the merchandise products."""
+
+    model = MerchandiseProduct
+    extra = 0
+
+    fields = (
+        "name",
+        "stock_value",
+    )
 
 
 @admin.register(MerchandiseItem)
@@ -16,3 +34,77 @@ class MerchandiseItemAdmin(ModelAdmin):
         "description",
         "image",
     )
+    search_fields = ("name", "description")
+    list_display = ("name", "price")
+    list_filter = ("name", "price")
+
+    inlines = [MerchandiseProductInline]
+
+
+class MerchandiseDisabledProductAdmin(ProductAdmin):
+    def has_change_permission(self, request, obj=None):
+        if obj is not None and isinstance(obj.merchandiseproduct, MerchandiseProduct):
+            return False
+        return super().has_change_permission(request, obj)
+
+    def has_delete_permission(self, request, obj=None):
+        if obj is not None and isinstance(obj.merchandiseproduct, MerchandiseProduct):
+            return False
+        return super().has_change_permission(request, obj)
+
+    def change_view(self, request, object_id, form_url="", extra_context=None):
+        obj = self.get_object(request, object_id)
+        if obj is not None and isinstance(obj.merchandiseproduct, MerchandiseProduct):
+            return redirect(
+                reverse(
+                    "admin:merchandise_merchandiseitem_change",
+                    args=(obj.merchandiseproduct.merchandise_item.id,),
+                )
+            )
+        return super().change_view(request, object_id, form_url, extra_context)
+
+
+admin.site.unregister(Product)
+admin.site.register(Product, MerchandiseDisabledProductAdmin)
+
+
+class MerchandiseDisabledProductListItemInline(ProductListItemInline):
+    fields = (
+        "product",
+        "price",
+        "priority",
+    )
+
+    def has_delete_permission(self, request, obj=None):
+        return False
+
+    def has_add_permission(self, request, obj):
+        return False
+
+    def get_readonly_fields(self, request, obj=None):
+        readonly_fields = super().get_readonly_fields(request, obj)
+        return readonly_fields + (
+            "product",
+            "price",
+        )
+
+
+class MerchandiseDisabledProductListAdmin(ProductListAdmin):
+    inlines = [
+        MerchandiseDisabledProductListItemInline,
+    ]
+
+    def get_readonly_fields(self, request, obj=None):
+        readonly_fields = super().get_readonly_fields(request, obj)
+        if obj is not None and obj.name == "Merchandise":
+            return readonly_fields + ("name",)
+        return readonly_fields
+
+    def has_delete_permission(self, request, obj=None):
+        if obj is not None and obj.name == "Merchandise":
+            return False
+        return super().has_change_permission(request, obj)
+
+
+admin.site.unregister(ProductList)
+admin.site.register(ProductList, MerchandiseDisabledProductListAdmin)

website/merchandise/apps.py

@@ -11,6 +11,9 @@ class MerchandiseConfig(AppConfig):
     name = "merchandise"
     verbose_name = _("Merchandise")
 
+    def ready(self):
+        from . import signals  # noqa: F401
+
     def menu_items(self):
         return {
             "categories": [{"name": "association", "title": "Association", "key": 1}],

website/merchandise/migrations/0012_alter_merchandiseitem_price_merchandiseproduct.py

@@ -0,0 +1,58 @@
+# Generated by Django 4.2.6 on 2023-11-12 21:51
+
+from django.db import migrations, models
+import django.db.models.deletion
+import payments.models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("sales", "0007_alter_productlistitem_options_and_more"),
+        ("merchandise", "0011_alter_merchandiseitem_image"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="merchandiseitem",
+            name="price",
+            field=payments.models.PaymentAmountField(
+                decimal_places=2,
+                help_text="Current sales price of the merchandise item per piece (incl. VAT).",
+                max_digits=8,
+                validators=[payments.models.validate_not_zero],
+            ),
+        ),
+        migrations.CreateModel(
+            name="MerchandiseProduct",
+            fields=[
+                (
+                    "product_ptr",
+                    models.OneToOneField(
+                        auto_created=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        parent_link=True,
+                        primary_key=True,
+                        serialize=False,
+                        to="sales.product",
+                    ),
+                ),
+                (
+                    "stock_value",
+                    payments.models.PaymentAmountField(
+                        decimal_places=2,
+                        help_text="Current stock ledger value of this product per piece (excl. VAT).",
+                        max_digits=8,
+                        validators=[payments.models.validate_not_zero],
+                    ),
+                ),
+                (
+                    "merchandise_item",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="merchandise.merchandiseitem",
+                    ),
+                ),
+            ],
+            bases=("sales.product",),
+        ),
+    ]

website/merchandise/models.py

@@ -4,6 +4,8 @@
 
 from thumbnails.fields import ImageField
 
+from payments.models import PaymentAmountField
+from sales.models.product import Product
 from utils.media.services import get_upload_to_function
 
 _merchandise_photo_upload_to = get_upload_to_function("merchandise")
@@ -15,13 +17,11 @@ class MerchandiseItem(models.Model):
     This model describes merchandise items.
     """
 
-    #: Name of the merchandise item.
     name = models.CharField(max_length=200)
 
     #: Price of the merchandise item
-    price = models.DecimalField(
-        max_digits=8,
-        decimal_places=2,
+    price = PaymentAmountField(
+        help_text="Current sales price of the merchandise item per piece (incl. VAT)."
     )
 
     #: Description of the merchandise item
@@ -61,3 +61,20 @@ def __str__(self):
         :rtype: str
         """
         return str(self.name)
+
+
+class MerchandiseProduct(Product):
+    """Merchandise products."""
+
+    merchandise_item = models.ForeignKey(
+        MerchandiseItem,
+        on_delete=models.CASCADE,
+    )
+
+    stock_value = PaymentAmountField(
+        help_text="Current stock ledger value of this product per piece (excl. VAT)."
+    )
+
+    def __str__(self):
+        """Give the name of the merchandise product in the currently active locale."""
+        return f"{self.name} ({self.merchandise_item})"

website/merchandise/services.py

@@ -0,0 +1,48 @@
+import datetime
+
+from django.utils import timezone
+
+from activemembers.models import Board
+from merchandise.models import MerchandiseProduct
+from sales.models.product import ProductList
+from sales.models.shift import Shift
+
+
+def update_merchandise_product_list():
+    product_list = ProductList.objects.get_or_create(name="Merchandise")[0]
+    merchandise_products = MerchandiseProduct.objects.all()
+
+    for merchandise_product in merchandise_products:
+        item, _ = product_list.product_items.get_or_create(
+            product=merchandise_product,
+            defaults={"price": merchandise_product.merchandise_item.price},
+        )
+        item.price = merchandise_product.merchandise_item.price
+        item.save()
+
+    return product_list
+
+
+def create_daily_merchandise_sale_shift():
+    today = timezone.now().date()
+    merchandise_product_list = update_merchandise_product_list()
+    active_board = Board.objects.filter(since__lte=today, until__gte=today)
+
+    shift = Shift.objects.create(
+        title="Merchandise sales",
+        start=timezone.now(),
+        end=timezone.datetime.combine(today, datetime.time(23, 59, 59)),
+        product_list=merchandise_product_list,
+    )
+    shift.managers.set(active_board)
+    shift.save()
+
+
+def lock_merchandise_sale_shift():
+    shifts = Shift.objects.filter(title="Merchandise sales").all()
+    for shift in shifts:
+        if shift.num_orders == 0:
+            shift.delete()
+        else:
+            shift.locked = True
+            shift.save()

website/merchandise/signals.py

@@ -0,0 +1,12 @@
+from django.db.models.signals import post_save
+from django.dispatch import receiver
+
+from merchandise.models import MerchandiseItem, MerchandiseProduct
+
+from .services import update_merchandise_product_list
+
+
+@receiver(post_save, sender=MerchandiseProduct)
+@receiver(post_save, sender=MerchandiseItem)
+def update_merchandise_product_list_on_save(sender, instance, **kwargs):
+    update_merchandise_product_list()

website/merchandise/tasks.py

@@ -0,0 +1,9 @@
+from celery import shared_task
+
+from . import services
+
+
+@shared_task
+def renew_merchandise_sale_shift():
+    services.lock_merchandise_sale_shift()
+    services.create_daily_merchandise_sale_shift()

website/moneybirdsynchronization/admin.py

@@ -1,7 +1,12 @@
 from django.contrib import admin
 from django.contrib.admin import RelatedOnlyFieldListFilter
 
-from .models import MoneybirdContact, MoneybirdExternalInvoice, MoneybirdPayment
+from .models import (
+    MoneybirdContact,
+    MoneybirdExternalInvoice,
+    MoneybirdMerchandiseSaleJournal,
+    MoneybirdPayment,
+)
 
 
 @admin.register(MoneybirdContact)
@@ -100,3 +105,35 @@ def get_readonly_fields(self, request, obj=None):
         if not obj:
             return ()
         return ("payment",)
+
+
+@admin.register(MoneybirdMerchandiseSaleJournal)
+class MoneybirdMerchandiseSaleJournalAdmin(admin.ModelAdmin):
+    list_display = (
+        "order",
+        "moneybird_general_journal_document_id",
+        "needs_synchronization",
+        "needs_deletion",
+    )
+
+    readonly_fields = (
+        "order",
+        "moneybird_general_journal_document_id",
+        "moneybird_details_debit_attribute_id",
+        "moneybird_details_credit_attribute_id",
+        "needs_synchronization",
+        "needs_deletion",
+    )
+
+    fields = (
+        "order",
+        "moneybird_general_journal_document_id",
+        "moneybird_details_debit_attribute_id",
+        "moneybird_details_credit_attribute_id",
+        "external_invoice",
+    )
+
+    list_filter = (
+        "needs_synchronization",
+        "needs_deletion",
+    )