Implement ADMIN_MODIFY_DB logs

When an admin requests /admin/umbrella/edit and the request succeeds, an
ADMIN_MODIFY_DB log is kept. `Database.update` will keep track of the
updated columns.

1 files changed, 14 insertions, 2 deletions

diff --git a/jimbrella/admin.py b/jimbrella/admin.py
index 9a9f6c8..eaf0e54 100644
--- a/jimbrella/admin.py
+++ b/jimbrella/admin.py
@@ -72,9 +72,8 @@ def umbrellas_edit():
     ]:
         data[key] = request.form.get(key)
 
-    error = None
     try:
-        db.update(data)
+        diff = db.update(data)
     except UmbrellaValueError as e:
         # invalid field is in `e.message`.
         return redirect(
@@ -85,6 +84,19 @@ def umbrellas_edit():
     except UmbrellaNotFoundError:
         pass  # impossible on web console
 
+    for column, value_pair in diff.items():
+        past, new = value_pair
+        admin_log.log(
+            "ADMIN_MODIFY_DB",
+            {
+                "admin_name": session["username"],
+                "serial": data["serial"],
+                "column": column,
+                "past_value": past,
+                "new_value": new,
+            },
+        )
+
     return redirect(url_for("admin.umbrellas"))