Add some database import export functions

database_utils.py

@@ -0,0 +1,36 @@
+import csv
+from model import *
+
+def load_csv(filename):
+    with open("data/" + filename + ".csv", newline="") as file:
+        reader = csv.reader(file, delimiter=",")
+        next(reader, None) # skip header
+        return list(reader)
+
+# @todo CSV-Writer
+def write_csv(filename):
+    with open("data/" + filename + ".csv", newline="") as file:
+        writer = csv.writer(file, delimiter=",")
+
+# @todo Complete CSV Files
+# @todo Reload Static Data
+# Reload static database data, this has to be called from the app context
+def reload_static_data(db):
+    print("Initializing DataBase with Static Values...")
+    # Create it (if it doesn't exist!)
+    db.create_all()
+
+    # Clear static data
+    Team.query.delete()
+    Driver.query.delete()
+
+    # Reload static data
+    for row in load_csv("teams"):
+        db.session.add(Team().from_csv(row))
+    for row in load_csv("drivers"):
+        db.session.add(Driver().from_csv(row))
+    db.session.commit()
+
+# @todo Export Dynamic Data
+def export_dynamic_data():
+    pass