Add GET /user/ implementation that works

Previously my GET was just a placeholder so I could build URIs against
it. Now it actually works and returns information on a user

tests/api/test_user.py

@@ -2,6 +2,8 @@ import json
 
 import pytest
 
+import vanth.platform.user
+
 
 @pytest.mark.usefixtures('db')
 def test_post(client):
@@ -13,3 +15,13 @@ def test_post(client):
     response = client.post('/user/', data=json.dumps(data))
     assert response.status_code == 204
     assert response.headers['Location']
+
+@pytest.mark.usefixtures('db')
+def test_get(client):
+    location = vanth.platform.user.create('Blue Stahli', 'blue@stahli.com', 'metamorphosis')
+    response = client.get(location)
+    assert response.status_code == 200
+    assert response.json == {
+        'name'      : 'Blue Stahli',
+        'username'  : 'blue@stahli.com',
+    }

vanth/api/user.py

@@ -1,4 +1,5 @@
 import sepiida.endpoints
+import sepiida.errors
 import sepiida.fields
 
 import vanth.platform.user
@@ -8,7 +9,7 @@ class User(sepiida.endpoints.APIEndpoint):
     ENDPOINT = '/user/'
     SIGNATURE = sepiida.fields.JSONObject(s={
         'name'      : sepiida.fields.String(),
-        'password'  : sepiida.fields.String(),
+        'password'  : sepiida.fields.String(methods=['POST', 'PUT']),
         'username'  : sepiida.fields.String(),
     })
 
@@ -19,5 +20,8 @@ class User(sepiida.endpoints.APIEndpoint):
         return None, 204, {'Location': uri}
 
     @staticmethod
-    def get(uuid): # pylint: disable=unused-argument
-        return {}
+    def get(uuid):
+        users = vanth.platform.user.by_filter({'uuid': [str(uuid)]})
+        if not users:
+            raise sepiida.errors.ResourceNotFound()
+        return users[0]

vanth/platform/user.py

@@ -1,12 +1,25 @@
 import uuid
 
 import chryso.connection
+import chryso.queryadapter
 import passlib.apps
 import sepiida.routing
 
 import vanth.tables
 
 
+def by_filter(filters):
+    engine = chryso.connection.get()
+
+    query = vanth.tables.User.select()
+    query = chryso.queryadapter.map_and_filter(vanth.tables.User, filters, query)
+    results = engine.execute(query).fetchall()
+    return [{
+       'username'   : result[vanth.tables.User.c.username],
+       'password'   : result[vanth.tables.User.c.password],
+       'name'       : result[vanth.tables.User.c.name],
+   } for result in results]
+
 def create(name, username, password):
     engine = chryso.connection.get()