1 files changed, 23 insertions, 0 deletions
diff --git a/qc_app/db/averaging.py b/qc_app/db/averaging.py
new file mode 100644
index 0000000..62bbe67
--- /dev/null
+++ b/qc_app/db/averaging.py
@@ -0,0 +1,23 @@
+"""Functions for db interactions for averaging methods"""
+from typing import Optional
+
+import MySQLdb as mdb
+from MySQLdb.cursors import DictCursor
+
+def averaging_methods(conn: mdb.Connection) -> tuple[dict, ...]:
+    """Fetch all available averaging methods"""
+    with conn.cursor(cursorclass=DictCursor) as cursor:
+        cursor.execute("SELECT * FROM AvgMethod")
+        return tuple(dict(row) for row in cursor.fetchall())
+
+def averaging_method_by_id(
+        conn: mdb.Connection, averageid: int) -> Optional[dict]:
+    """Fetch the averaging method by its ID"""
+    with conn.cursor(cursorclass=DictCursor) as cursor:
+        cursor.execute("SELECT * FROM AvgMethod WHERE Id=%s",
+                       (averageid,))
+        result = cursor.fetchone()
+        if bool(result):
+            return dict(result)
+
+    return None