Refactored Schemas and VerificableCredentials models to get the Schema template description on object creation

idhub/admin/views.py

@@ -8,6 +8,7 @@ from smtplib import SMTPException
 from django_tables2 import SingleTableView
 
 from django.conf import settings
+from django.template.loader import get_template
 from django.utils.translation import gettext_lazy as _
 from django.views.generic.base import TemplateView
 from django.views.generic.edit import (
@@ -833,13 +834,13 @@ class SchemasImportView(SchemasMix):
             if not Schemas.objects.filter(file_schema=x).exists()]
         return schemas
 
-        
+
 class SchemasImportAddView(SchemasMix):
 
     def get(self, request, *args, **kwargs):
         file_name = kwargs['file_schema']
         schemas_files = os.listdir(settings.SCHEMAS_DIR)
-        if not file_name in schemas_files:
+        if file_name not in schemas_files:
             messages.error(self.request, f"The schema {file_name} not exist!")
             return redirect('idhub:admin_schemas_import')
 
@@ -858,7 +859,10 @@ class SchemasImportAddView(SchemasMix):
         except Exception:
             messages.error(self.request, _('This is not a valid schema!'))
             return
-        schema = Schemas.objects.create(file_schema=file_name, data=data, type=name)
+        schema = Schemas.objects.create(file_schema=file_name,
+                                        data=data, type=name,
+                                        template_description=self.get_description()
+                                        )
         schema.save()
         return schema
 
@@ -870,6 +874,20 @@ class SchemasImportAddView(SchemasMix):
 
         return data
 
+    def get_template_description(self):
+        context = self.get_context()
+        template_name = 'credentials/{}'.format(
+            self.schema.file_schema
+        )
+        tmpl = get_template(template_name)
+        return tmpl.render(context)
+
+    def get_description(self):
+        for des in json.loads(self.render()).get('description', []):
+            if settings.LANGUAGE_CODE == des.get('lang'):
+                return des.get('value', '')
+        return ''
+
 
 class ImportView(ImportExport, SingleTableView):
     template_name = "idhub/admin/import.html"

idhub/models.py

@@ -438,6 +438,7 @@ class Schemas(models.Model):
     created_at = models.DateTimeField(auto_now=True)
     _name = models.CharField(max_length=250, null=True, db_column='name')
     _description = models.CharField(max_length=250, null=True, db_column='description')
+    template_description = models.TextField()
 
     @property
     def get_schema(self):
@@ -489,7 +490,6 @@ class VerificableCredential(models.Model):
     issued_on = models.DateTimeField(null=True)
     data = models.TextField()
     csv_data = models.TextField()
-    description = models.TextField(null=True)
     status = models.PositiveSmallIntegerField(
         choices=Status.choices,
         default=Status.ENABLED
@@ -519,12 +519,8 @@ class VerificableCredential(models.Model):
     def type(self):
         return self.schema.type
 
-    @property
     def get_description(self):
-        for des in json.loads(self.render()).get('description', []):
-            if settings.LANGUAGE_CODE == des.get('lang'):
-                return des.get('value', '')
-        return ''
+        return self.schema.template_description
 
     def get_status(self):
         return self.Status(self.status).label
@@ -571,7 +567,6 @@ class VerificableCredential(models.Model):
         tmpl = get_template(template_name)
         return tmpl.render(context)
 
-
     def get_issued_on(self):
         if self.issued_on:
             return self.issued_on.strftime("%m/%d/%Y")

idhub/user/tables.py

@@ -112,7 +112,7 @@ class CredentialsTable(tables.Table):
     description = tables.Column(verbose_name="Details", empty_values=())
 
     def render_description(self, record):
-        return record.get_description
+        return record.get_description()
 
     def render_status(self, record):
         return record.get_status()
@@ -124,6 +124,13 @@ class CredentialsTable(tables.Table):
 
         return (queryset, True)
 
+    def order_description(self, queryset, is_descending):
+        queryset = queryset.order_by(
+                ("-" if is_descending else "") + "schema__template_description"
+                )
+
+        return (queryset, True)
+
     class Meta:
         model = VerificableCredential
         template_name = "idhub/custom_table.html"