Extract common database functions into a separate package.

1 files changed, 24 insertions, 0 deletions

diff --git a/qc_app/db/species.py b/qc_app/db/species.py
new file mode 100644
index 0000000..7006d15
--- /dev/null
+++ b/qc_app/db/species.py
@@ -0,0 +1,24 @@
+"""Database functions for species."""
+import MySQLdb as mdb
+from MySQLdb.cursors import DictCursor
+
+def species(conn: mdb.Connection) -> tuple:
+    "Retrieve the species from the database."
+    with conn.cursor(cursorclass=DictCursor) as cursor:
+        cursor.execute(
+            "SELECT SpeciesId, SpeciesName, LOWER(Name) AS Name, MenuName "
+            "FROM Species")
+        return tuple(cursor.fetchall())
+
+    return tuple()
+
+def species_by_id(conn: mdb.Connection, speciesid) -> dict:
+    "Retrieve the species from the database by id."
+    with conn.cursor(cursorclass=DictCursor) as cursor:
+        cursor.execute(
+            (
+                "SELECT "
+                "SpeciesId, SpeciesName, LOWER(Name) AS Name, MenuName "
+                "FROM Species WHERE SpeciesId=%s"),
+            (speciesid,))
+        return cursor.fetchone()