f/#61 Added BaseModel, BaseResource and inherited from them in models…

….py and resources.py

vmc_backend/api/resources.py

@@ -1,11 +1,13 @@
 """ This file contains tastypie resources for all models in vmc_backend """
 from tastypie import fields
-from tastypie.resources import ModelResource, ALL
+from tastypie.resources import ALL
+from vmc_backend.core.base_resource import BaseResource
 from vmc_backend.models import Assignment, Subject, Submission, UsersToSubjects
 from tastypie.authentication import Authentication
 from tastypie.authorization import Authorization
 
-class SubmissionResource(ModelResource):
+
+class SubmissionResource(BaseResource):
     student_id = fields.IntegerField(attribute='student_id')
     assignment_id = fields.IntegerField(attribute='assignment_id')
 
@@ -19,7 +21,7 @@ class Meta:
         authorization = Authorization()
 
 
-class AssignmentResource(ModelResource):
+class AssignmentResource(BaseResource):
     subject_id = fields.IntegerField(attribute='subject_id')
 
     class Meta:
@@ -33,14 +35,15 @@ class Meta:
     def determine_format(self, request):
         return 'application/json'
 
-class SubjectResource(ModelResource):
+
+class SubjectResource(BaseResource):
 
     class Meta:
         queryset = Subject.objects.all()
         allowed_methods = ['get']
 
 
-class UsersToSubjectsResource(ModelResource):
+class UsersToSubjectsResource(BaseResource):
     subject_id = fields.IntegerField(attribute='subject_id')
     user_id = fields.IntegerField(attribute='user_id')
 

vmc_backend/core/base_model.py

@@ -0,0 +1,5 @@
+from django.db import models
+
+class BaseModel(models.Model):
+    class Meta:
+        abstract = True

vmc_backend/core/base_resource.py

@@ -0,0 +1,4 @@
+from tastypie.resources import ModelResource
+
+class BaseResource(ModelResource):
+    pass

vmc_backend/forms/subject_form.py

@@ -1,2 +1,5 @@
-class SubjectForm():
-    pass
+from vmc_backend.core.base_model_form import BaseModelForm
+
+class SubjectForm(BaseModelForm):
+
+    pass

vmc_backend/models.py

@@ -1,9 +1,10 @@
 from django.db import models
+from vmc_backend.core.base_model import BaseModel
 from django.contrib.auth.models import User
 from django.core.validators import MinLengthValidator
 
 
-class Subject(models.Model):
+class Subject(BaseModel):
     """ Subject Model, referring to a course, for example.
 
     Fields: name, description, link
@@ -30,7 +31,7 @@ def __str__(self):
         return self.name
 
 
-class Assignment(models.Model):
+class Assignment(BaseModel):
     subject = models.ForeignKey(Subject)
     name = models.CharField(max_length=30)
     text = models.TextField()
@@ -41,7 +42,7 @@ def __str__(self):
         return self.name
 
 
-class UsersToSubjects(models.Model):
+class UsersToSubjects(BaseModel):
     unique_together = ("subject_id", "user_id")
     subject = models.ForeignKey(Subject)
     user = models.ForeignKey(User)
@@ -59,7 +60,7 @@ def __str__(self):
         return str(self.subject.pk) + "-" + str(self.user.pk)
 
 
-class Submission(models.Model):
+class Submission(BaseModel):
     student = models.ForeignKey(User, related_name='submissions')
     assignment = models.ForeignKey(Assignment, related_name='assignments')
     # This is a timestamp
@@ -72,7 +73,7 @@ def __str__(self):
             "-" + str(self.uploaded_at)
 
 
-class SubmissionComment(models.Model):
+class SubmissionComment(BaseModel):
     submission = models.ForeignKey(Submission, related_name='comments')
     filename = models.CharField(max_length=256, blank=True)
     line_no = models.IntegerField(null=True, blank=True)