Implement edit componant form and adapt UI

shimatta_kenkyusho/parts/views.py

@@ -15,6 +15,7 @@ from .models import Storage, Stock, Component, Distributor, Manufacturer, Packag
 from .qr_parser import QrCodeValidator
 from django.core.paginator import Paginator
 from django.core.exceptions import ValidationError
+from django.db import IntegrityError
 from .forms import MyTestForm, AddSubStorageForm, DeleteStockForm, EditWatermarkForm, EditStockAmountForm, AddStockForm, EditComponentForm
 from django.db.models import Q
 from django.db.models.functions import Lower
@@ -403,9 +404,15 @@ class ComponentDetailView(LoginRequiredMixin, BaseTemplateMixin, DetailView):
 
         form = EditComponentForm(instance=self.object, data=request.POST, files=request.FILES)
         if form.is_valid():
-            form.save()
+            try:
+                form.save()
+            except IntegrityError as ie:
+                form.add_error('name', 'Component name, package, and manufacturer are not unique!')
+                form.add_error('package', 'Component name, package, and manufacturer are not unique!')
+                form.add_error('manufacturer', 'Component name, package, and manufacturer are not unique!')
+                form_error = True
+            self.object = self.get_object()
         else:
-            print("Error")
             form_error = True
 
         context = self.get_context_data(**kwargs)