pulled cms

app/applicationlayer/management/changerequest/serializers.py → app/applicationlayer/cms/form/serializers.py

 from app.entities import models
 from rest_framework import serializers
 from django.db.models import Q
-from app.applicationlayer.management.changerequest.utils_cr import logged_user
+from app.applicationlayer.cms.utils_cr import logged_user
+from drf_writable_nested import WritableNestedModelSerializer
 
 
-class ChangeRequestTemplatesSerializer(
+class ChangeRequestFormApproversSerializer(
     serializers.ModelSerializer
 ):
-    class Meta:
-        model = models.ChangeRequestTemplateHeader
-        fields = '__all__'
-        read_only_fields = ['created', 'deleted_at', 'template_no']
+    # def to_representation(self, instance):
+    #     ret = super().to_representation(instance)
+    #     try:
+    #         user = instance.user
+            
+    #         user_details = get_account_details(user)
+    #         name = user_details['name']
+    #         group = user_details['groups'][0]['name']
+    #         company = user_details['groups'][0]['company__name']
 
+    #         ret['name'] = name
+    #         ret['department'] = group
+    #         ret['company'] = company
+    #         return ret
+
+    #     except Exception as e:
+    #         ret['name'] = "none"
+    #         ret['department'] = "none"
+    #         ret['company'] = "none"
+    #         return ret
 
-class ChangeRequestTemplateApproversSerializer(
-    serializers.ModelSerializer
-):
     class Meta:
-        model = models.ChangeRequestTemplateApprovers
+        model = models.ChangeRequestFormApprovers
         fields = '__all__'
-        read_only_fields = ['created', 'deleted_at', 'code']
+        read_only_fields = ['created', 'archived_at', 'code']
 
 
-class ChangeRequestTemplateStakeHoldersSerializer(
+class ChangeRequestFormStakeHoldersSerializer(
     serializers.ModelSerializer
 ):
     class Meta:
-        model = models.ChangeRequestTemplateStakeHolders
+        model = models.ChangeRequestFormStakeHolders
         fields = '__all__'
-        read_only_fields = ['created', 'deleted_at', 'code']
+        read_only_fields = ['created', 'archived_at', 'code']
 
 
-class ChangeRequestTemplateAttachmentsSerializer(
+class ChangeRequestFormAttachmentsSerializer(
     serializers.ModelSerializer
 ):
     class Meta:
-        model = models.ChangeRequestTemplateAttachments
+        model = models.ChangeRequestFormAttachments
         fields = '__all__'
-        read_only_fields = ['created', 'deleted_at', 'code']
+        read_only_fields = ['created', 'archived_at', 'code']
 
 
-class ChangeRequestTemplateDetailsSerializer(
+class ChangeRequestFormDetailsSerializer(
     serializers.ModelSerializer
 ):
     class Meta:
-        model = models.ChangeRequestTemplateDetails
+        model = models.ChangeRequestFormDetails
         fields = '__all__'
-        read_only_fields = ['created', 'deleted_at', 'code']
+        read_only_fields = ['created', 'archived_at', 'code']
 
 
 class ChangeRequestFormHeaderSerializer(
-    serializers.ModelSerializer
+    WritableNestedModelSerializer
 ):
+    frm_approvers = ChangeRequestFormApproversSerializer(
+        many=True, required=False)
+    frm_stakes = ChangeRequestFormStakeHoldersSerializer(
+        many=True, required=False)
+    frm_attachments = ChangeRequestFormAttachmentsSerializer(
+        many=True, required=False)
+    frm_details = ChangeRequestFormDetailsSerializer(
+        many=True, required=False)
+    
     def to_representation(self, instance):
         ret = super().to_representation(instance)
         try:
             # id_number = self.context.get('request').META.get('user')
+            user = self.context['request'].user
+            print(user)
 
-            id_number = "USER-20190909-0000005"
+            # id_number = "USER-20190909-0000005"
             current_level = models.ChangeRequestFormApprovers.objects.filter(
                 Q(form_code=ret['form_code']) &
-                Q(deleted_at=None) &
+                Q(archived_at=None) &
                 (Q(action='') | Q(action=None))
             ).order_by('level')
 
@@ -83,62 +107,15 @@ class ChangeRequestFormHeaderSerializer(
 
     class Meta:
         model = models.ChangeRequestFormHeader
-        fields = '__all__'
-        read_only_fields = ['created', 'deleted_at', 'form_code']
-
-
-class ChangeRequestFormApproversSerializer(
-    serializers.ModelSerializer
-):
-    # def to_representation(self, instance):
-    #     ret = super().to_representation(instance)
-    #     try:
-    #         user = instance.user
-            
-    #         user_details = get_account_details(user)
-    #         name = user_details['name']
-    #         group = user_details['groups'][0]['name']
-    #         company = user_details['groups'][0]['company__name']
-
-    #         ret['name'] = name
-    #         ret['department'] = group
-    #         ret['company'] = company
-    #         return ret
-
-    #     except Exception as e:
-    #         ret['name'] = "none"
-    #         ret['department'] = "none"
-    #         ret['company'] = "none"
-    #         return ret
-
-    class Meta:
-        model = models.ChangeRequestFormApprovers
-        fields = '__all__'
-        read_only_fields = ['created', 'deleted_at', 'code']
-
-
-class ChangeRequestFormStakeHoldersSerializer(
-    serializers.ModelSerializer
-):
-    class Meta:
-        model = models.ChangeRequestFormStakeHolders
-        fields = '__all__'
-        read_only_fields = ['created', 'deleted_at', 'code']
-
-
-class ChangeRequestFormAttachmentsSerializer(
-    serializers.ModelSerializer
-):
-    class Meta:
-        model = models.ChangeRequestFormAttachments
-        fields = '__all__'
-        read_only_fields = ['created', 'deleted_at', 'code']
-
-
-class ChangeRequestFormDetailsSerializer(
-    serializers.ModelSerializer
-):
-    class Meta:
-        model = models.ChangeRequestFormDetails
-        fields = '__all__'
-        read_only_fields = ['created', 'deleted_at', 'code']
+        # fields = '__all__'
+        fields = ('form_code', 'requested_to_template_name', 'requested_to_objective',
+                  'requested_to_target_date', 'requested_to_priority',
+                  'description', 'created', 'cancel_date', 'status',
+                  'company_desc', 'department_desc', 'requested_desc',
+                  'requested_to_template_id', 'requested_to_company',
+                  'requested_to_department', 'requested_to_user',
+                  'requested_by_user', 'requested_by_department',
+                  'template_no', 'frm_approvers', 'frm_stakes',
+                  'frm_attachments', 'frm_details')
+
+        read_only_fields = ['created', 'archived_at', 'form_code']

app/applicationlayer/cms/template/serializers.py

+from app.entities import models
+from rest_framework import serializers
+from django.db.models import Q
+from drf_writable_nested import WritableNestedModelSerializer
+
+
+class ChangeRequestTemplateApproversSerializer(
+    serializers.ModelSerializer
+):
+    class Meta:
+        model = models.ChangeRequestTemplateApprovers
+        fields = '__all__'
+        read_only_fields = ['created', 'archived_at', 'code']
+
+
+class ChangeRequestTemplateStakeHoldersSerializer(
+    serializers.ModelSerializer
+):
+    class Meta:
+        model = models.ChangeRequestTemplateStakeHolders
+        fields = '__all__'
+        read_only_fields = ['created', 'archived_at', 'code']
+    
+
+class ChangeRequestTemplateAttachmentsSerializer(
+    serializers.ModelSerializer
+):
+    class Meta:
+        model = models.ChangeRequestTemplateAttachments
+        fields = '__all__'
+        read_only_fields = ['created', 'archived_at', 'code']
+
+
+class ChangeRequestTemplateDetailsSerializer(
+    serializers.ModelSerializer
+):
+    class Meta:
+        model = models.ChangeRequestTemplateDetails
+        fields = '__all__'
+        read_only_fields = ['created', 'archived_at', 'code']
+
+# comment
+class ChangeRequestTemplatesSerializer(
+    WritableNestedModelSerializer
+):
+    tmp_approvers = ChangeRequestTemplateApproversSerializer(
+        many=True, required=False)
+    tmp_stakes = ChangeRequestTemplateStakeHoldersSerializer(
+        many=True, required=False)
+    tmp_attachments = ChangeRequestTemplateAttachmentsSerializer(
+        many=True, required=False)
+    tmp_details = ChangeRequestTemplateDetailsSerializer(
+        many=True, required=False)
+
+    class Meta:
+        model = models.ChangeRequestTemplateHeader
+        # fields = '__all__'
+        fields = ('template_no', 'requested_to_template_name',
+                  'requested_to_objective', 'requested_to_target_date',
+                  'requested_to_priority', 'description', 'created',
+                  'requested_to_template_id', 'requested_to_company',
+                  'requested_to_department', 'requested_to_user',
+                  'created_by_user', 'created_by_department', 'tmp_approvers',
+                  'tmp_stakes', 'tmp_attachments', 'tmp_details')
+
+        read_only_fields = ['created', 'archived_at', 'template_no']
\ No newline at end of file

app/applicationlayer/management/changerequest/utils_cr.py → app/applicationlayer/cms/utils_cr.py

@@ -153,7 +153,7 @@ def receiver_body(
 def get_template_instance(form_code):
     template_instance = models.ChangeRequestFormHeader.objects.filter(
         Q(form_code=form_code) &
-        Q(deleted_at=None)
+        Q(archived_at=None)
     ).first()
     return template_instance
 
@@ -436,3 +436,14 @@ def cancel_overdue(request):
         email_content=email_content_cancel
     )
     return True
+
+
+def crhistory_save(action, entity, form_code, fromValue, toValue):
+    models.ChangeRequestHistory.objects.create(
+            action=action,
+            entity=entity,
+            form_code=form_code,
+            fromValue=fromValue,
+            toValue=toValue
+        )
+    return True
\ No newline at end of file

app/applicationlayer/urls_cms.py

@@ -3,27 +3,28 @@ from rest_framework import routers
 from django.conf.urls import url
 
 from app.applicationlayer.management.notification.views import NotificationsViewset
-from app.applicationlayer.management.changerequest import views as crviews
+from app.applicationlayer.cms.template import views as crtemplate_views
+from app.applicationlayer.cms.form import views as crform_views
 
 router = routers.DefaultRouter()
 
 router.register(r'notifications', NotificationsViewset)
 
-router.register(r'template', crviews.ChangeRequestTemplatesViewset)
-router.register(r'template-approvers', crviews.ChangeRequestTemplateApproversViewset)
-router.register(r'template-attachments', crviews.ChangeRequestTemplateAttachmentsViewset)
-router.register(r'template-stakeholders', crviews.ChangeRequestTemplateStakeHoldersViewset)
-router.register(r'template-details', crviews.ChangeRequestTemplateDetailsViewset)
+router.register(r'template', crtemplate_views.ChangeRequestTemplatesViewset)
+router.register(r'template-approvers', crtemplate_views.ChangeRequestTemplateApproversViewset)
+router.register(r'template-attachments', crtemplate_views.ChangeRequestTemplateAttachmentsViewset)
+router.register(r'template-stakeholders', crtemplate_views.ChangeRequestTemplateStakeHoldersViewset)
+router.register(r'template-details', crtemplate_views.ChangeRequestTemplateDetailsViewset)
 
-router.register(r'form', crviews.ChangeRequestFormsViewset)
-router.register(r'form-approvers', crviews.ChangeRequestFormApproversViewset)
-router.register(r'form-stakeholders', crviews.ChangeRequestFormStakeHoldersViewset)
-router.register(r'form-attachments', crviews.ChangeRequestFormAttachmentsViewset)
-router.register(r'form-details', crviews.ChangeRequestFormDetailsViewset)
+router.register(r'form', crform_views.ChangeRequestFormsViewset)
+router.register(r'form-approvers', crform_views.ChangeRequestFormApproversViewset)
+router.register(r'form-stakeholders', crform_views.ChangeRequestFormStakeHoldersViewset)
+router.register(r'form-attachments', crform_views.ChangeRequestFormAttachmentsViewset)
+router.register(r'form-details', crform_views.ChangeRequestFormDetailsViewset)
 
 
 urlpatterns = (
     path('', include(router.urls)),
-    path('template-post/', crviews.ChangeRequestTemplatePost.as_view()),
-    path('form-post/', crviews.ChangeRequestFormPost.as_view()),
+    path('template-post/', crtemplate_views.ChangeRequestTemplatePost.as_view()),
+    path('form-post/', crform_views.ChangeRequestFormPost.as_view()),
 )

app/businesslayer/changerequest/change_request.py

@@ -22,19 +22,19 @@ def list_by_user(user_id_number):
     
         approver = models.ChangeRequestFormApprovers.objects.filter(
             Q(user=user_id_number) &
-            Q(deleted_at=None)
+            Q(archived_at=None)
         )
         
         approver = [data.form_code for data in approver]
    
         stake = models.ChangeRequestFormStakeHolders.objects.filter(
                     Q(user=user_id_number) &
-                    Q(deleted_at=None)
+                    Q(archived_at=None)
         )
         stake = [data.form_code for data in stake]
 
         headers = models.ChangeRequestFormHeader.objects.filter(
-            deleted_at=None,
+            archived_at=None,
             requested_by_user=user_id_number
         )
         headers = [data.form_code for data in headers]
@@ -52,7 +52,7 @@ def list_by_user(user_id_number):
 
         # priviledgedList = models.ChangeRequestFormHeader.objects.filter(
         #     requested_to_department__in=crViews,
-        #     deleted_at=None,
+        #     archived_at=None,
         # )
         # priviledgedCrs = [data['form_code'] for data in priviledgedList]
 
@@ -62,7 +62,7 @@ def list_by_user(user_id_number):
 
         return_queryset = models.ChangeRequestFormHeader.objects.filter(
             form_code__in=form_code,
-            deleted_at=None,
+            archived_at=None,
         )
         exclude = return_queryset.filter(
             status__iexact='Draft',
@@ -179,29 +179,13 @@ def filter_overdue(base_queryset):
         overdue = []
         
         for query in return_queryset:
-            
-            try:
-                if query.requested_to_target_date:
-                    requested_to_target_date = datetime.strptime(query.requested_to_target_date[:-1], "%Y-%m-%dT%H:%M:%S.%f")
-                
-                    if (requested_to_target_date < now):
-                        overdue.append(query.form_code)
-
-            except ValueError:
-
-                #convert now
-                if query.requested_to_target_date:
-                    requested_to_target_date = datetime.strptime(query.requested_to_target_date[:-1], "%Y-%m-%d %H:%M:%S")
-                
-                    if (requested_to_target_date < now):
+            if (query.requested_to_target_date < now):
                 overdue.append(query.form_code)
 
         return_queryset = return_queryset.filter(
             form_code__in=overdue
         )
 
-        return_queryset
-
     except Exception as e:
         pass
 
@@ -241,14 +225,20 @@ def filter_awaiting(base_queryset,
             
             current_level = models.ChangeRequestFormApprovers.objects.filter(
                 Q(form_code=query.form_code) &
-                Q(deleted_at=None) &
                 (Q(action='') | Q(action=None))
             ).order_by('level')
             
             if current_level:
+                first_level = current_level.first()
+                
+                first_user = models.ChangeRequestFormApprovers.objects.filter(
+                    code=first_level).values('user')
+
+                print(first_user.user)
+
+                # if x == user_id_number:
                     
-                if current_level[0]['user'] == user_id_number:
-                    awaiting_included.append(query.form_code)
+                    # awaiting_included.append(query.form_code)
 
         return_queryset = return_queryset.filter(form_code__in=awaiting_included)
     

app/entities/migrations/0007_auto_20190911_1102.py

+# Generated by Django 2.2 on 2019-09-11 11:02
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entities', '0006_emaillogs_is_sent'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='changerequestformheader',
+            name='requested_to_template_id',
+            field=models.CharField(max_length=255),
+        ),
+    ]

app/entities/migrations/0008_auto_20190911_1715.py

+# Generated by Django 2.2 on 2019-09-11 17:15
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entities', '0007_auto_20190911_1102'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='changerequesthistory',
+            name='form_code',
+            field=models.CharField(blank=True, max_length=255, null=True),
+        ),
+    ]

app/entities/migrations/0009_auto_20190911_1845.py

+# Generated by Django 2.2 on 2019-09-11 18:45
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entities', '0008_auto_20190911_1715'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='changerequestformapprovers',
+            old_name='deleted_at',
+            new_name='archived_at',
+        ),
+        migrations.RenameField(
+            model_name='changerequestformattachments',
+            old_name='deleted_at',
+            new_name='archived_at',
+        ),
+        migrations.RenameField(
+            model_name='changerequestformdetails',
+            old_name='deleted_at',
+            new_name='archived_at',
+        ),
+        migrations.RenameField(
+            model_name='changerequestformheader',
+            old_name='deleted_at',
+            new_name='archived_at',
+        ),
+        migrations.RenameField(
+            model_name='changerequestformstakeholders',
+            old_name='deleted_at',
+            new_name='archived_at',
+        ),
+        migrations.RenameField(
+            model_name='changerequesttemplateapprovers',
+            old_name='deleted_at',
+            new_name='archived_at',
+        ),
+        migrations.RenameField(
+            model_name='changerequesttemplateattachments',
+            old_name='deleted_at',
+            new_name='archived_at',
+        ),
+        migrations.RenameField(
+            model_name='changerequesttemplatedetails',
+            old_name='deleted_at',
+            new_name='archived_at',
+        ),
+        migrations.RenameField(
+            model_name='changerequesttemplateheader',
+            old_name='deleted_at',
+            new_name='archived_at',
+        ),
+        migrations.RenameField(
+            model_name='changerequesttemplatestakeholders',
+            old_name='deleted_at',
+            new_name='archived_at',
+        ),
+    ]

app/entities/migrations/0010_auto_20190913_1143.py

+# Generated by Django 2.2 on 2019-09-13 11:43
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entities', '0009_auto_20190911_1845'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='changerequestformapprovers',
+            name='archived_at',
+        ),
+        migrations.RemoveField(
+            model_name='changerequestformattachments',
+            name='archived_at',
+        ),
+        migrations.RemoveField(
+            model_name='changerequestformdetails',
+            name='archived_at',
+        ),
+        migrations.RemoveField(
+            model_name='changerequestformheader',
+            name='archived_at',
+        ),
+        migrations.RemoveField(
+            model_name='changerequestformstakeholders',
+            name='archived_at',
+        ),
+    ]

app/entities/models.py

@@ -354,7 +354,6 @@ class BaseHeader(models.Model):
         to_field='code')
 
     requested_to_template_name = models.CharField(max_length=255)
-    requested_to_template_id = models.CharField(max_length=255, unique=True)
     
     requested_to_objective = models.CharField(
         max_length=255,
@@ -374,10 +373,6 @@ class BaseHeader(models.Model):
 
     created = models.DateTimeField(auto_now_add=True)
 
-    deleted_at = models.DateTimeField(
-        blank=True,
-        null=True)
-
     class Meta:
         abstract = True
 
@@ -399,9 +394,6 @@ class BaseApprover(models.Model):
     created = models.DateTimeField(
         blank=True,
         null=True)
-    deleted_at = models.DateTimeField(
-        blank=True,
-        null=True)
 
     class Meta:
         abstract = True
@@ -421,9 +413,6 @@ class BaseStakeholder(models.Model):
     created = models.DateTimeField(
         blank=True,
         null=True)
-    deleted_at = models.DateTimeField(
-        blank=True,
-        null=True)
 
     class Meta:
         abstract = True
@@ -452,9 +441,6 @@ class BaseAttachment(models.Model):
     created = models.DateTimeField(
         blank=True,
         null=True)
-    deleted_at = models.DateTimeField(
-        blank=True,
-        null=True)
 
     class Meta:
         abstract = True
@@ -469,9 +455,6 @@ class BaseDetails(models.Model):
     created = models.DateTimeField(
         blank=True,
         null=True)
-    deleted_at = models.DateTimeField(
-        blank=True,
-        null=True)
 
     class Meta:
         abstract = True
@@ -488,6 +471,10 @@ class ChangeRequestTemplateHeader(BaseHeader):
         unique=True,
         max_length=255)
     
+    requested_to_template_id = models.CharField(
+        max_length=255,
+        unique=True)
+
     created_by_user = models.ForeignKey(
         User,
         on_delete=models.DO_NOTHING,
@@ -500,6 +487,10 @@ class ChangeRequestTemplateHeader(BaseHeader):
         to_field='code',
         related_name='created_by_department')
 
+    archived_at = models.DateTimeField(
+        blank=True,
+        null=True)
+
     class Meta:
         db_table = 'change_request_template_headers'
 
@@ -515,7 +506,7 @@ class ChangeRequestTemplateHeader(BaseHeader):
             self.save()
 
     def delete(self):
-        self.deleted_at = datetime.utcnow
+        self.archived_at = datetime.utcnow
         self.save()
 
 
@@ -528,6 +519,9 @@ class ChangeRequestTemplateApprovers(BaseApprover):
         on_delete=models.DO_NOTHING,
         to_field='template_no',
         related_name='tmp_approvers')
+    archived_at = models.DateTimeField(
+        blank=True,
+        null=True)
 
     class Meta:
         db_table = 'change_request_template_approvers'
@@ -544,6 +538,10 @@ class ChangeRequestTemplateApprovers(BaseApprover):
             self.created = datetime.now()
             self.save()
 
+    def delete(self):
+        self.archived_at = datetime.utcnow
+        self.save()
+
 class ChangeRequestTemplateStakeHolders(BaseStakeholder):
     code = models.CharField(
         unique=True,
@@ -553,6 +551,9 @@ class ChangeRequestTemplateStakeHolders(BaseStakeholder):
         on_delete=models.DO_NOTHING,
         to_field='template_no',
         related_name='tmp_stakes')
+    archived_at = models.DateTimeField(
+        blank=True,
+        null=True)
     
     class Meta:
         db_table = 'change_request_template_stakeholders'
@@ -569,6 +570,10 @@ class ChangeRequestTemplateStakeHolders(BaseStakeholder):
             self.created = datetime.now()
             self.save()
     
+    def delete(self):
+        self.archived_at = datetime.utcnow
+        self.save()
+
 
 class ChangeRequestTemplateAttachments(BaseAttachment):
     code = models.CharField(
@@ -579,6 +584,9 @@ class ChangeRequestTemplateAttachments(BaseAttachment):
         on_delete=models.DO_NOTHING,
         to_field='template_no',
         related_name='tmp_attachments')
+    archived_at = models.DateTimeField(
+        blank=True,
+        null=True)
 
     class Meta:
         db_table = 'change_request_template_attachments'
@@ -595,6 +603,10 @@ class ChangeRequestTemplateAttachments(BaseAttachment):
             self.created = datetime.now()
             self.save()
     
+    def delete(self):
+        self.archived_at = datetime.utcnow
+        self.save()
+
 
 class ChangeRequestTemplateDetails(BaseDetails):
     code = models.CharField(
@@ -605,6 +617,9 @@ class ChangeRequestTemplateDetails(BaseDetails):
         on_delete=models.DO_NOTHING,
         to_field='template_no',
         related_name='tmp_details')
+    archived_at = models.DateTimeField(
+        blank=True,
+        null=True)
 
     class Meta:
         db_table = 'change_request_template_details'
@@ -621,6 +636,10 @@ class ChangeRequestTemplateDetails(BaseDetails):
             self.created = datetime.now()
             self.save()
     
+    def delete(self):
+        self.archived_at = datetime.utcnow
+        self.save()
+
 '''
 *****
 FORMS
@@ -666,6 +685,8 @@ class ChangeRequestFormHeader(BaseHeader):
         max_length=255,
         null=True,
         blank=True)
+    requested_to_template_id = models.CharField(
+        max_length=255)
 
     class Meta:
         db_table = 'change_request_form_headers'
@@ -840,7 +861,10 @@ class ChangeRequestHistory(AuditClass):
             (tag.value, tag.value) for tag in enums.CREntitiesEnum],
         default=enums.CREntitiesEnum.CR_FRM_HEADER.value,
         max_length=50)
-    form_code = models.IntegerField()
+    form_code = models.CharField(
+        max_length=255,
+        blank=True,
+        null=True)
     fromValue = models.TextField(blank=True, null=True)
     toValue = models.TextField(blank=True, null=True)
 

requirements/local.txt

@@ -19,6 +19,7 @@ Django==2.2
 django-cors-headers==2.5.2
 django-filter==2.1.0
 djangorestframework==3.9.2
+drf-writable-nested==0.5.1
 gevent==1.4.0
 greenlet==0.4.15
 hiredis==1.0.0