Add some display and filtering options to paperwork admin

paperwork/admin.py

@@ -14,11 +14,15 @@ class CertificationVersionInline(admin.TabularInline):
 @admin.register(CertificationVersion)
 class CertificationVersionAdmin(admin.ModelAdmin):
     search_fields = ['definition__certification_name', 'version']
+    list_display = ['definition', 'version']
+    list_filter = ['definition__department', 'definition__certification_name']
 
 
 @admin.register(CertificationDefinition)
 class CertificationDefinitionAdmin(admin.ModelAdmin):
-    search_fields = ['certification_name', 'department']
+    search_fields = ['certification_name']
+    list_display = ['certification_name', 'department']
+    list_filter = ['department']
     inlines = [CertificationVersionInline]
 
 
@@ -26,6 +30,40 @@ class CertificationDefinitionAdmin(admin.ModelAdmin):
 class CertificationAdmin(admin.ModelAdmin):
     search_fields = ['name', 'certification__certification_name', 'certification__department']
     autocomplete_fields = ['member']
+    exclude = ['shop_lead_notified']
+
+    @admin.display(description='Certification Name',
+                   ordering='certification_version__definition__certification_name')
+    def certification_name(self, obj):
+        return obj.certification_version.definition.certification_name
+
+    @admin.display(description='Certification Version',
+                   ordering='certification_version__version')
+    def certification_version_version(self, obj):
+        return obj.certification_version.version
+
+    @admin.display(description='Department',
+                   ordering='certification_version__definition__department')
+    def certification_department(self, obj):
+        return obj.certification_version.definition.department
+
+    list_display = [
+        'certification_name',
+        'name',
+        'certification_version_version',
+        'certification_department',
+        'date',
+        'shop_lead_notified',
+        'certified_by',
+    ]
+    list_display_links = [
+        'certification_name',
+        'name',
+    ]
+    list_filter = [
+        'certification_version__definition__department',
+        ('shop_lead_notified', admin.EmptyFieldListFilter),
+    ]
 
 
 @admin.register(InstructorOrVendor)