Draft:Generic api v1

Adds a generic api URIs and models

• Prefix path with api version
• Generic config
• Database initialization
• Generic resources
  • Use generic Model
  • Auto documentation for parameter
  • Auto documentation for return values
  • Generic routes
    • group
      • GET
      • POST
    • item
      • GET
      • POST
      • PUT
      • PATCH
      • DELETE
• ORM
• tests
  • test infrastucture and simple exemple
  • Add data
  • Test storing data
  • Work on fake database

Mirador_backend/resources/base.py

 from apispec.ext.marshmallow import MarshmallowPlugin
 from flask_apispec.extension import FlaskApiSpec
 
-from marshmallow import Schema, fields
 from apispec import APISpec
-from flask_restful import Resource
+from flask import request
+from flask_restful import Resource, abort
 from flask_restful_swagger import swagger
 from flask_apispec.views import MethodResource
-from flask_apispec import marshal_with, doc, use_kwargs
+from flask_apispec import doc
+from flask_restful import marshal, fields
 
-from Mirador_backend.models import BaseModel
-
-
-class SimpleResponse(Schema):
-    message = fields.Str(default='Success')
+from Mirador_backend.models import BaseModel, NotFound
 
 
 class ResourceGroup(MethodResource, Resource):
     Model = BaseModel
 
+    def parseData(self, request):
+        """Read the request and return only the useful data"""
+        return request.form
+
+    def get_queryset(self):
+        """Get the queryset for the request"""
+        return self.Model.all()
+
     def get(self):
-        return self.Model.query.filter().all()
+        """Handle a get request"""
+        data = {x.id: x for x in self.get_queryset()}
+        list_fields = {x: fields.Nested(self.Model.fields) for x in data.keys()}
+        return marshal(data, list_fields), 200
 
     def post(self):
-        # TODO
-        return {'method': 'post', 'mode': 'group'}
+        """Handle a post request"""
+        m = Model().create(self.parseData(request))
+        return marshal(m, self.Model.fields), 200
 
     def genDoc(descr, tags):
         doc(description=f'Get all {descr}', tags=tags)(ResourceGroup.get)
         doc(description=f'Create a {descr}', tags=tags)(ResourceGroup.post)
-        # TODO response on JSON object given in param
-        marshal_with(SimpleResponse)(ResourceGroup.post)
-        # TODO marshal collection get response using given object
 
 
 class ResourceItem(MethodResource, Resource):
     Model = BaseModel
 
-    def get(self, id):
-        return self.Model.query.filter(self.Model.id == id).first()
+    def get_queryset(self, id):
+        """Get the queryset for the request"""
+        return self.Model.find(id)
 
-    def post(self, id):
-        # TODO
-        return {'method': 'post', 'id': id, 'mode': 'item'}
+    def get_queryset_or_abort(self, id):
+        """Get the queryset for the request or aborts with a 404"""
+        try:
+            return self.get_queryset(id)
+        except NotFound:
+            abort(404)
+
+    def parseData(self, request):
+        """Read the request and return only the useful data"""
+        return request.form
+
+    def get(self, id):
+        """Handle a get request"""
+        return marshal(self.get_queryset_or_abort(id), self.Model.fields), 200
 
     def put(self, id):
-        # TODO
-        return {'method': 'put', 'id': id, 'mode': 'item'}
+        """Handle a put request"""
+        data = self.parseData(request)
+        try:
+            m = self.get_queryset(id)
+            m.clear()
+            m.fill(data)
+            m = m.save()
+        except NotFound:
+            m = self.Model.create(data)
+        return marshal(model, self.Model.fields), 200
+
 
     def patch(self, id):
-        # TODO
-        return {'method': 'patch', 'id': id, 'mode': 'item'}
+        """Handle a patch request"""
+        m = self.get_queryset_or_abort(id)
+        m.clear()
+        m.fill(self.parseData(request))
+        return marshal(m.save(), self.Model.fields), 200
 
     def delete(self, id):
-        # TODO
-        return {'method': 'delete', 'id': id, 'mode': 'item'}
+        """Handle a delete request"""
+        m = self.get_queryset_or_abort(id)
+        return marshal(m.delete(), fields.Boolean), 200
 
     def genDoc(descr, tags):
         doc(description=f'Get {descr} by id', tags=tags)(ResourceItem.get)
-        doc(description=f'Create or update a {descr} by id', tags=tags)(ResourceItem.post)
-        doc(description=f'Updates a {descr} by id', tags=tags)(ResourceItem.put)
+        doc(description=f'Create or Update a {descr} by id', tags=tags)(ResourceItem.put)
         doc(description=f'Updates partially a {descr} by id', tags=tags)(ResourceItem.patch)
         doc(description=f'deletes a {descr} by id', tags=tags)(ResourceItem.delete)
-        # TODO marshal