Refactor organisation rest to remove marshmallow

app/models.py

@@ -137,17 +137,15 @@ class Organisation(db.Model):
     logo = db.Column(db.String(255), nullable=False)
     name = db.Column(db.String(255), nullable=True)
 
-    @classmethod
-    def from_json(cls, data):
-        """
-        Assumption: data has been validated appropriately.
+    def serialize(self):
+        serialized = {
+            "id": str(self.id),
+            "colour": self.colour,
+            "logo": self.logo,
+            "name": self.name,
+        }
 
-        Returns a Organisation object based on the provided data.
-        """
-        # validate json with marshmallow
-        fields = data.copy()
-
-        return cls(**fields)
+        return serialized
 
 
 DVLA_ORG_HM_GOVERNMENT = '001'

app/organisation/organisation_schema.py

@@ -0,0 +1,11 @@
+post_organisation_schema = {
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "description": "POST schema for getting organisation",
+    "type": "object",
+    "properties": {
+        "colour": {"type": ["string", "null"], "format": "string"},
+        "name": {"type": ["string", "null"], "minimum": 1},
+        "logo": {"type": ["string", "null"], "minimum": 1}
+    },
+    "required": ["logo"]
+}

app/organisation/rest.py

@@ -1,12 +1,17 @@
 from flask import Blueprint, jsonify, request
 
-from app.dao.organisations_dao import dao_get_organisations, dao_get_organisation_by_id, dao_create_organisation
-from app.schemas import organisation_schema
+from app.dao.organisations_dao import (
+    dao_get_organisations,
+    dao_get_organisation_by_id,
+    dao_create_organisation
+)
 from app.errors import (
     InvalidRequest,
     register_errors
 )
 from app.models import Organisation
+from app.organisation.organisation_schema import post_organisation_schema
+from app.schema_validation import validate
 
 organisation_blueprint = Blueprint('organisation', __name__)
 register_errors(organisation_blueprint)
@@ -14,28 +19,23 @@ register_errors(organisation_blueprint)
 
 @organisation_blueprint.route('', methods=['GET'])
 def get_organisations():
-    data = organisation_schema.dump(dao_get_organisations(), many=True).data
-    return jsonify(organisations=data)
+    organisations = [o.serialize() for o in dao_get_organisations()]
+    return jsonify(organisations=organisations)
 
 
 @organisation_blueprint.route('/<uuid:org_id>', methods=['GET'])
 def get_organisation_by_id(org_id):
-    data = organisation_schema.dump(dao_get_organisation_by_id(org_id)).data
-    return jsonify(organisation=data)
+    organisation = dao_get_organisation_by_id(org_id)
+    return jsonify(organisation=organisation.serialize())
 
 
 @organisation_blueprint.route('', methods=['POST'])
 def post_organisation():
     data = request.get_json()
-    if not data.get('logo', None):
-        errors = {'logo': ['Missing data for required field.']}
-        raise InvalidRequest(errors, status_code=400)
 
-    # validate json with marshmallow
-    organisation_schema.load(request.get_json())
+    validate(data, post_organisation_schema)
 
-    # unpack valid json into service object
-    valid_organisation = Organisation.from_json(data)
+    organisation = Organisation(**data)
 
-    dao_create_organisation(valid_organisation)
-    return jsonify(data=organisation_schema.dump(valid_organisation).data), 201
+    dao_create_organisation(organisation)
+    return jsonify(data=organisation.serialize()), 201

app/schemas.py

@@ -600,12 +600,6 @@ class EventSchema(BaseSchema):
         strict = True
 
 
-class OrganisationSchema(BaseSchema):
-    class Meta:
-        model = models.Organisation
-        strict = True
-
-
 class DaySchema(ma.Schema):
 
     class Meta:
@@ -658,7 +652,6 @@ service_history_schema = ServiceHistorySchema()
 api_key_history_schema = ApiKeyHistorySchema()
 template_history_schema = TemplateHistorySchema()
 event_schema = EventSchema()
-organisation_schema = OrganisationSchema()
 provider_details_schema = ProviderDetailsSchema()
 provider_details_history_schema = ProviderDetailsHistorySchema()
 day_schema = DaySchema()