From 5310ce84654102a0a1f1fe89420d0756f2966b64 Mon Sep 17 00:00:00 2001
From: eeintech <eeintech@eeinte.ch>
Date: Fri, 30 Oct 2020 17:17:18 -0500
Subject: [PATCH] First step into managing Category Parameters to InvenTree
 settings

---
 InvenTree/InvenTree/urls.py                   |  1 +
 InvenTree/part/forms.py                       | 13 ++++++
 InvenTree/part/urls.py                        |  8 ++++
 InvenTree/part/views.py                       | 40 +++++++++++++++++++
 .../InvenTree/settings/category.html          | 40 +++++++++++++++++++
 .../templates/InvenTree/settings/tabs.html    |  3 ++
 InvenTree/users/models.py                     |  1 +
 7 files changed, 106 insertions(+)
 create mode 100644 InvenTree/templates/InvenTree/settings/category.html

diff --git a/InvenTree/InvenTree/urls.py b/InvenTree/InvenTree/urls.py
index d729210235..9b74aabe5f 100644
--- a/InvenTree/InvenTree/urls.py
+++ b/InvenTree/InvenTree/urls.py
@@ -75,6 +75,7 @@ settings_urls = [
    
     url(r'^global/?', SettingsView.as_view(template_name='InvenTree/settings/global.html'), name='settings-global'),
     url(r'^currency/?', SettingsView.as_view(template_name='InvenTree/settings/currency.html'), name='settings-currency'),
+    url(r'^category/?', SettingsView.as_view(template_name='InvenTree/settings/category.html'), name='settings-category'),
     url(r'^part/?', SettingsView.as_view(template_name='InvenTree/settings/part.html'), name='settings-part'),
     url(r'^stock/?', SettingsView.as_view(template_name='InvenTree/settings/stock.html'), name='settings-stock'),
     url(r'^build/?', SettingsView.as_view(template_name='InvenTree/settings/build.html'), name='settings-build'),
diff --git a/InvenTree/part/forms.py b/InvenTree/part/forms.py
index 52c39bf3ba..d1a3dcd74e 100644
--- a/InvenTree/part/forms.py
+++ b/InvenTree/part/forms.py
@@ -16,6 +16,7 @@ from django.utils.translation import ugettext as _
 from .models import Part, PartCategory, PartAttachment
 from .models import BomItem
 from .models import PartParameterTemplate, PartParameter
+from .models import PartCategoryParameterTemplate
 from .models import PartTestTemplate
 from .models import PartSellPriceBreak
 
@@ -247,6 +248,18 @@ class EditCategoryForm(HelperForm):
         ]
 
 
+class EditCategoryParameterTemplateForm(HelperForm):
+    """ Form for editing a PartParameterTemplate object """
+
+    class Meta:
+        model = PartCategoryParameterTemplate
+        fields = [
+            'category',
+            'parameter_template',
+            'default_value',
+        ]
+
+
 class EditBomItemForm(HelperForm):
     """ Form for editing a BomItem object """
 
diff --git a/InvenTree/part/urls.py b/InvenTree/part/urls.py
index 4d81faa2d6..b5881fd0b4 100644
--- a/InvenTree/part/urls.py
+++ b/InvenTree/part/urls.py
@@ -74,10 +74,18 @@ part_detail_urls = [
     url(r'^.*$', views.PartDetail.as_view(), name='part-detail'),
 ]
 
+category_parameter_urls = [
+    url(r'^new/', views.CategoryParameterTemplateCreate.as_view(), name='category-param-template-create'),
+    # url(r'^(?P<pk>\d+)/edit/', views.PartParameterTemplateEdit.as_view(), name='category-param-template-edit'),
+    # url(r'^(?P<pk>\d+)/delete/', views.PartParameterTemplateDelete.as_view(), name='category-param-template-edit'),
+]
+
 part_category_urls = [
     url(r'^edit/?', views.CategoryEdit.as_view(), name='category-edit'),
     url(r'^delete/?', views.CategoryDelete.as_view(), name='category-delete'),
 
+    url(r'^template/', include(category_parameter_urls)),
+
     url(r'^parametric/?', views.CategoryParametric.as_view(), name='category-parametric'),
     url(r'^.*$', views.CategoryDetail.as_view(), name='category-detail'),
 ]
diff --git a/InvenTree/part/views.py b/InvenTree/part/views.py
index 0b96addc84..d13f2223b1 100644
--- a/InvenTree/part/views.py
+++ b/InvenTree/part/views.py
@@ -23,6 +23,7 @@ from decimal import Decimal, InvalidOperation
 
 from .models import PartCategory, Part, PartAttachment
 from .models import PartParameterTemplate, PartParameter
+from .models import PartCategoryParameterTemplate
 from .models import BomItem
 from .models import match_part_names
 from .models import PartTestTemplate
@@ -2137,6 +2138,45 @@ class CategoryCreate(AjaxCreateView):
         return initials
 
 
+class CategoryParameterTemplateCreate(AjaxCreateView):
+    """ View for creating a new PartCategoryParameterTemplate """
+
+    role_required = 'part.add'
+
+    model = PartCategoryParameterTemplate
+    form_class = part_forms.EditCategoryParameterTemplateForm
+    ajax_form_title = _('Create Category Parameter Template')
+
+    def get_initial(self):
+        """ Get initial data for Category """
+        initials = super().get_initial().copy()
+
+        category_id = self.kwargs.get('pk', None)
+
+        if category_id:
+            try:
+                initials['category'] = PartCategory.objects.get(pk=category_id)
+            except (PartCategory.DoesNotExist, ValueError):
+                pass
+
+        return initials
+
+    def get_form(self):
+        """ Create a form to upload a new CategoryParameterTemplate
+        - Hide the 'category' field (parent part)
+        - Display parameter templates which are not yet related
+        """
+
+        form = super(AjaxCreateView, self).get_form()
+        
+        form.fields['category'].widget = HiddenInput()
+
+        if form.is_valid():
+            form.cleaned_data['category'] = self.kwargs.get('pk', None)
+
+        return form
+
+
 class BomItemDetail(InvenTreeRoleMixin, DetailView):
     """ Detail view for BomItem """
     context_object_name = 'item'
diff --git a/InvenTree/templates/InvenTree/settings/category.html b/InvenTree/templates/InvenTree/settings/category.html
new file mode 100644
index 0000000000..b643af53dd
--- /dev/null
+++ b/InvenTree/templates/InvenTree/settings/category.html
@@ -0,0 +1,40 @@
+{% extends "InvenTree/settings/settings.html" %}
+{% load i18n %}
+
+{% block tabs %}
+{% include "InvenTree/settings/tabs.html" with tab='part' %}
+{% endblock %}
+
+{% block subtitle %}
+{% trans "Category Settings" %}
+{% endblock %}
+
+{% block settings %}
+
+<h4>{% trans "Category Parameter Templates" %}</h4>
+
+<h5>{% trans "Category: XXX (id = 1)" %}</h5>
+
+<div id='param-buttons'>
+    <button class='btn btn-success' id='new-param'>
+        <span class='fas fa-plus-circle'></span> {% trans "New Parameter" %}
+    </button>
+</div>
+
+<table class='table table-striped table-condensed' id='param-table' data-toolbar='#param-buttons'>
+</table>
+
+{% endblock %}
+
+{% block js_ready %}
+{{ block.super }}
+
+	$("#new-param").click(function() {
+        launchModalForm("{% url 'category-param-template-create' 1 %}", {
+            success: function() {
+                $("#param-table").bootstrapTable('refresh');
+            },
+        });
+    });
+
+{% endblock %}
\ No newline at end of file
diff --git a/InvenTree/templates/InvenTree/settings/tabs.html b/InvenTree/templates/InvenTree/settings/tabs.html
index d104908c49..6991b54b95 100644
--- a/InvenTree/templates/InvenTree/settings/tabs.html
+++ b/InvenTree/templates/InvenTree/settings/tabs.html
@@ -18,6 +18,9 @@
     <li{% ifequal tab 'currency' %} class='active'{% endifequal %}>
         <a href="{% url 'settings-currency' %}"><span class='fas fa-dollar-sign'></span> {% trans "Currency" %}</a>
     </li>
+    <li{% ifequal tab 'category' %} class='active'{% endifequal %}>
+        <a href="{% url 'settings-category' %}"><span class='fa fa-sitemap'></span> {% trans "Categories" %}</a>
+    </li>
     <li{% ifequal tab 'part' %} class='active'{% endifequal %}>
         <a href="{% url 'settings-part' %}"><span class='fas fa-shapes'></span> {% trans "Parts" %}</a>
     </li>
diff --git a/InvenTree/users/models.py b/InvenTree/users/models.py
index d3c713d07d..7e65ba248e 100644
--- a/InvenTree/users/models.py
+++ b/InvenTree/users/models.py
@@ -57,6 +57,7 @@ class RuleSet(models.Model):
             'part_parttesttemplate',
             'part_partparametertemplate',
             'part_partparameter',
+            'part_partcategoryparametertemplate',
         ],
         'stock': [
             'stock_stockitem',