Changelogs

Just like administrators, organizers can track changes of system entities relevant to their agency in the Changelogs section. Every changelog stores a performed action type (one of insert, update or delete), information about the modified entity, the author, time of the modification and the JSON-encoded entity properties after the modification. The only exception is the user entity changelog, which does not store the password hash.

Changelogs are meant to help agencies supervise the work of their employees and to prevent users from concealing malicious data manipulations (repudiation). To ensure that all modifications are logged, every change in Organizer API database is wrapped in a transaction with an additional insert into the changelogs table.