From 497a15892cb55f05ab7cabcb8d2e6ad255214c4b Mon Sep 17 00:00:00 2001
From: Adriaan Mulder <adriaan.mulder@gmail.com>
Date: Mon, 17 Jul 2017 17:18:48 -0700
Subject: [PATCH 1/3] Basic graphql working with graphiql.

---
 app/__init__.py               |  3 ++-
 app/libs/graphene/__init__.py | 23 +++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 app/libs/graphene/__init__.py

diff --git a/app/__init__.py b/app/__init__.py
index d0c1894..3fdf04e 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -1,8 +1,8 @@
 import importlib
 import logging
-
 from flask import Flask, request
 
+from app.libs.graphene import load as load_graphene
 import config
 
 
@@ -14,6 +14,7 @@ def create_app():
     load_extensions(app)
     load_models(app)
     load_blueprints(app)
+    load_graphene(app)
 
     return app
 
diff --git a/app/libs/graphene/__init__.py b/app/libs/graphene/__init__.py
new file mode 100644
index 0000000..d330823
--- /dev/null
+++ b/app/libs/graphene/__init__.py
@@ -0,0 +1,23 @@
+import graphene
+from flask_graphql import GraphQLView
+
+
+class Query(graphene.ObjectType):
+    hello = graphene.String()
+
+    def resolve_hello(self, args, context, info):
+        return 'World'
+
+
+schema = graphene.Schema(query=Query)
+
+
+def load(app):
+    app.add_url_rule(
+        '/graphql',
+        view_func=GraphQLView.as_view(
+            'graphql',
+            schema=schema,
+            graphiql=True
+        )
+    )

From ed46d31e3771133c7f777055c5c03e90b6fbb716 Mon Sep 17 00:00:00 2001
From: Adriaan Mulder <adriaan.mulder@gmail.com>
Date: Mon, 17 Jul 2017 17:22:00 -0700
Subject: [PATCH 2/3] Update requirements.

---
 requirements.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/requirements.txt b/requirements.txt
index 53e5429..46cd43a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,3 +5,5 @@ flask-mongoengine
 flask-wtf
 gunicorn
 boto3
+Flask-GraphQL
+graphene

From a76dae04952d65db20f71f4301abe6abe26f85e8 Mon Sep 17 00:00:00 2001
From: Adriaan Mulder <adriaan.mulder@gmail.com>
Date: Tue, 18 Jul 2017 10:25:51 -0700
Subject: [PATCH 3/3] Add graphene mutation and query example that uses mongo
 collection.

---
 app/libs/graphene/__init__.py | 14 ++++++++++++-
 app/libs/graphene/user.py     | 38 +++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 app/libs/graphene/user.py

diff --git a/app/libs/graphene/__init__.py b/app/libs/graphene/__init__.py
index d330823..397ef6d 100644
--- a/app/libs/graphene/__init__.py
+++ b/app/libs/graphene/__init__.py
@@ -1,15 +1,27 @@
 import graphene
 from flask_graphql import GraphQLView
 
+from .user import User as UserType, CreateUser
+from app.models.user import User
+
 
 class Query(graphene.ObjectType):
     hello = graphene.String()
+    user = graphene.Field(UserType, email=graphene.String())
 
     def resolve_hello(self, args, context, info):
         return 'World'
 
+    def resolve_user(self, args, context, info):
+        email = args.get('email')
+        return User.objects(email=email).first()
+
+
+class Mutation(graphene.ObjectType):
+    create_user = CreateUser.Field()
+
 
-schema = graphene.Schema(query=Query)
+schema = graphene.Schema(query=Query, mutation=Mutation)
 
 
 def load(app):
diff --git a/app/libs/graphene/user.py b/app/libs/graphene/user.py
new file mode 100644
index 0000000..5b8cc3a
--- /dev/null
+++ b/app/libs/graphene/user.py
@@ -0,0 +1,38 @@
+import graphene
+from app.models.user import User as UserModel
+
+
+class User(graphene.ObjectType):
+    email = graphene.String()
+    first_name = graphene.String()
+    last_name = graphene.String()
+    id = graphene.String()
+
+    def resolve_id(self, args, context, info):
+        return str(self.id)
+
+
+class CreateUserInput(graphene.InputObjectType):
+    email = graphene.String()
+    first_name = graphene.String()
+    last_name = graphene.String()
+    password = graphene.String()
+
+
+class CreateUser(graphene.Mutation):
+    class Input:
+        input = graphene.Argument(CreateUserInput)
+
+    ok = graphene.Boolean()
+    user = graphene.Field(User)
+
+    @staticmethod
+    def mutate(root, args, context, info):
+        user = UserModel.register(**args['input'])
+        user = User(
+            email=user.email,
+            first_name=user.first_name,
+            last_name=user.last_name
+        )
+        ok = True
+        return CreateUser(user=user, ok=ok)