Create schema for RequestVerifyCodeSchema

Previously we were using a schema that mapped onto db.Model. However, the json
in the request did not reflect the VerfiyCode db Model.
I did not add validation on the to field, we did not have that previously.

app/schemas.py

@@ -1,6 +1,8 @@
+from flask_marshmallow.fields import fields
 from . import ma
 from . import models
-from marshmallow import post_load
+from marshmallow import post_load, ValidationError
+
 
 # TODO I think marshmallow provides a better integration and error handling.
 # Would be better to replace functionality in dao with the marshmallow supported
@@ -9,7 +11,6 @@ from marshmallow import post_load
 
 
 class BaseSchema(ma.ModelSchema):
-
     def __init__(self, *args, load_json=False, **kwargs):
         self.load_json = load_json
         super(BaseSchema, self).__init__(*args, **kwargs)
@@ -27,7 +28,6 @@ class BaseSchema(ma.ModelSchema):
 
 
 class UserSchema(BaseSchema):
-
     class Meta:
         model = models.User
         exclude = (
@@ -36,36 +36,35 @@ class UserSchema(BaseSchema):
 
 
 class ServiceSchema(BaseSchema):
-
     class Meta:
         model = models.Service
         exclude = ("updated_at", "created_at", "api_keys", "templates", "jobs", "queue_name")
 
 
 class TemplateSchema(BaseSchema):
-
     class Meta:
         model = models.Template
         exclude = ("updated_at", "created_at", "service_id", "jobs")
 
 
 class ApiKeySchema(BaseSchema):
-
     class Meta:
         model = models.ApiKey
         exclude = ("service", "secret")
 
 
 class JobSchema(BaseSchema):
-
     class Meta:
         model = models.Job
 
 
-class VerifyCodeSchema(BaseSchema):
-    class Meta:
-        model = models.VerifyCode
-        exclude = ('user', "_code", "expiry_datetime", "code_used", "created_at")
+class RequestVerifyCodeSchema(ma.Schema):
+    def verify_code_type(self):
+        if self not in ['sms', 'email']:
+            raise ValidationError('Invalid code type')
+
+    code_type = fields.Str(required=True, validate=verify_code_type)
+    to = fields.Str(required=False)
 
 
 user_schema = UserSchema()
@@ -83,4 +82,4 @@ api_keys_schema = ApiKeySchema(many=True)
 job_schema = JobSchema()
 job_schema_load_json = JobSchema(load_json=True)
 jobs_schema = JobSchema(many=True)
-verify_code_schema = VerifyCodeSchema()
+request_verify_code_schema = RequestVerifyCodeSchema()

app/user/rest.py

@@ -15,8 +15,8 @@ from app.dao.users_dao import (
 )
 from app.schemas import (
     user_schema, users_schema, service_schema, services_schema,
-    verify_code_schema, user_schema_load_json)
-from app import db, notify_alpha_client
+    request_verify_code_schema, user_schema_load_json)
+from app import notify_alpha_client
 from flask import Blueprint
 
 
@@ -126,24 +126,22 @@ def send_user_code(user_id):
     except NoResultFound:
         return jsonify(result="error", message="User not found"), 404
 
-    request_json = request.get_json()
-
-    verify_code, errors = verify_code_schema.load(request_json)
+    verify_code, errors = request_verify_code_schema.load(request.get_json())
     if errors:
         return jsonify(result="error", message=errors), 400
 
     from app.dao.users_dao import create_secret_code
     secret_code = create_secret_code()
-    create_user_code(user, secret_code, verify_code.code_type)
+    create_user_code(user, secret_code, verify_code.get('code_type'))
     # TODO this will need to fixed up when we stop using
     # notify_alpha_client
-    if verify_code.code_type == 'sms':
-        mobile = user.mobile_number if 'to' not in request_json else request_json['to']
+    if verify_code.get('code_type') == 'sms':
+        mobile = user.mobile_number if verify_code.get('to', None) is None else verify_code.get('to')
         notify_alpha_client.send_sms(
             mobile_number=mobile,
             message=secret_code)
-    elif verify_code.code_type == 'email':
-        email = user.email_address if 'to' not in request_json else request_json['to']
+    elif verify_code.get('code_type') == 'email':
+        email = user.email_address if verify_code.get('to', None) is None else verify_code.get('to')
         notify_alpha_client.send_email(
             email,
             secret_code,

tests/app/user/test_rest_verify.py

@@ -348,3 +348,21 @@ def test_send_user_code_for_email_uses_optional_to_field(notify_api,
                                                                   '11111',
                                                                   'notify@digital.cabinet-office.gov.uk',
                                                                   'Verification code')
+
+
+def test_request_verify_code_schema_invalid_code_type(notify_api, notify_db, notify_db_session, sample_user):
+    import json
+    from app.schemas import request_verify_code_schema
+    data = json.dumps({'code_type': 'not_sms'})
+    code, error = request_verify_code_schema.loads(data)
+    assert code == {}
+    assert error == {'code_type': ['Invalid code type']}
+
+
+def test_request_verify_code_schema_with_to(notify_api, notify_db, notify_db_session, sample_user):
+    import json
+    from app.schemas import request_verify_code_schema
+    data = json.dumps({'code_type': 'sms', 'to': 'some@one.gov.uk'})
+    code, error = request_verify_code_schema.loads(data)
+    assert code == {'code_type': 'sms', 'to': 'some@one.gov.uk'}
+    assert error == {}