Add first structure of the application

3 files changed, 58 insertions, 0 deletions

diff --git a/src/lb_app/app_db/__init__.py b/src/lb_app/app_db/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/lb_app/app_db/__init__.py
diff --git a/src/lb_app/app_db/db.py b/src/lb_app/app_db/db.py
new file mode 100644
index 0000000..005599b
--- /dev/null
+++ b/src/lb_app/app_db/db.py
@@ -0,0 +1,31 @@
+from flask import current_app, _app_ctx_stack
+from flask_pymongo import PyMongo
+
+class MongoDB(object):
+    def __init__(self, app=None):
+        self.app = app
+        if app is not None:
+            self.init_app(app)
+
+    def init_app(self, app):
+        app.teardown_appcontext(self.teardown)
+
+    def connect(self):
+        return PyMongo(self.app, current_app.config['MONGO_URI'])
+
+
+    def teardown(self, exception):
+        ctx = _app_ctx_stack.top
+        if hasattr(ctx, 'mongo_db'):
+            ctx.mongo_db.cx.close()
+
+    def connection(self):
+        ctx = _app_ctx_stack.top
+        if ctx is not None:
+            if not hasattr(ctx, 'mongo_db'):
+                ctx.mongo_db = self.connect()
+            return ctx.mongo_db
+
+    def set_up(self):
+        mongo = PyMongo(self.app)
+        mongo.cx.drop_database("test_liberationCenter")
diff --git a/src/lb_app/app_db/user.py b/src/lb_app/app_db/user.py
new file mode 100644
index 0000000..1af957c
--- /dev/null
+++ b/src/lb_app/app_db/user.py
@@ -0,0 +1,27 @@
+from flask import current_app
+
+from .db import MongoDB
+
+class User(object):
+    def __init__(self, app=None):
+        self.app = app
+
+    def all(self):
+        db = MongoDB(self.app)
+        mongo = db.connection()
+        return list(mongo.db.users.find({}))
+
+    def register(self, username):
+        db = MongoDB(self.app)
+        mongo = db.connection()
+        error = None
+
+        if not username:
+            error = 'Username is required.'
+        elif len(list(mongo.db.users.find({"username": username}))) > 0:
+            error = 'User {} is already registered.'.format(username)
+
+        if error is None:
+            mongo.db.users.insert({"username": username})
+            return None
+        return error