Added database support

modules/database.py

@@ -0,0 +1,37 @@
+"""Module that provides all database columns and
+creates geospatial index for col_applications"""
+
+from pymongo import MongoClient
+from ujson import loads
+
+with open("config.json", "r", encoding="utf-8") as f:
+    db_config = loads(f.read())["database"]
+    f.close()
+
+if db_config["user"] is not None and db_config["password"] is not None:
+    con_string = 'mongodb://{0}:{1}@{2}:{3}/{4}'.format(
+        db_config["user"],
+        db_config["password"],
+        db_config["host"],
+        db_config["port"],
+        db_config["name"]
+    )
+else:
+    con_string = 'mongodb://{0}:{1}/{2}'.format(
+        db_config["host"],
+        db_config["port"],
+        db_config["name"]
+    )
+
+db_client = MongoClient(con_string)
+db = db_client.get_database(name=db_config["name"])
+
+collections = db.list_collection_names()
+
+for collection in ["sent", "banned", "submitted"]:
+    if not collection in collections:
+        db.create_collection(collection)
+
+col_sent = db.get_collection("sent")
+col_banned = db.get_collection("banned")
+col_submitted = db.get_collection("submitted")