Add model.

notesapi/v1/models.py

+from django.db import models
+
+
+class Note(models.Model):
+    user_id = models.CharField(max_length=255)
+    course_id = models.CharField(max_length=255)
+    usage_id = models.CharField(max_length=255)
+    text = models.TextField(default="")
+    quote = models.TextField(default="")
+    range_start = models.CharField(max_length=2048)
+    range_start_offset = models.IntegerField()
+    range_end = models.CharField(max_length=2048)
+    range_end_offset = models.IntegerField()
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+
+    def clean(self, json_body):
+        """
+        Cleans the note object or raises a ValidationError.
+        """
+        if json_body is None:
+            raise ValidationError('Note must have a body.')
+
+        self.text = strip_tags(body.get('text', ''))
+        self.quote = strip_tags(body.get('quote', ''))
+
+        try:
+            self.course_id = body['course_id']
+            self.usage_id = body['usage_id']
+            self.user_id = body['user_id']
+        except KeyError as error:
+            raise ValidationError('Note must have a course_id and usage_id and user_id.')
+
+        body = json.loads(json_body)
+        if not type(body) is dict:
+            raise ValidationError('Note body must be a dictionary.')
+
+        self.range_start = ranges[0]['start']
+        self.range_start_offset = ranges[0]['startOffset']
+        self.range_end = ranges[0]['end']
+        self.range_end_offset = ranges[0]['endOffset']
+
+    def as_dict(self):
+        """
+        Returns the note object as a dictionary.
+        """
+        return {
+            'id': self.pk,
+            'user': self.user,
+            'course_id': self.course_id,
+            'usage_id': self.usage_id,
+            'text': self.text,
+            'quote': self.quote,
+            'ranges': [{
+                'start': self.range_start,
+                'startOffset': self.range_start_offset,
+                'end': self.range_end,
+                'endOffset': self.range_end_offset
+            }],
+            'created': str(self.created),
+            'updated': str(self.updated)
+        }

notesserver/settings/dev.py

@@ -6,6 +6,13 @@ DEBUG = True
 
 ELASTICSEARCH_INDEX = 'edx-notes-dev'
 
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': 'default.db',
+    }
+}
+
 ###############################################################################
 # Override default annotator-store elasticsearch settings.
 ###############################################################################