togo-framework/audit

Activity log + model versioning for togo — who changed what, with diffs and restore.

Install

togo install togo-framework/audit

audit is the togo answer to Spatie Activitylog / PaperTrail / django-reversion. It records an activity log of changes to your models — the action, the subject, the actor (causer), a field-level diff, and request IP/User-Agent — plus optional model versioning with restore.

Features

• Activity log — Log / LogChange write append-only entries to activity_log, indexed by subject, causer and action.
• Automatic diffs — LogChange(old, new) stores only the fields that changed, as {old, new}.
• Actor capture — the bundled Middleware pulls the causer (X-User-Id), client IP and User-Agent from the request into context, so logs are attributed automatically.
• Model versioning — Snapshot stores point-in-time JSON snapshots; Restore returns prior state to re-apply.
• Queryable — filter by subject / causer / action / time, with pagination, over a Go API and REST.

Usage

import "github.com/togo-framework/audit"

a, _ := audit.FromKernel(k)

// Log an action with an explicit changeset:
a.Log(ctx, "created", "post", post.ID, userID, map[string]any{"title": post.Title})

// Or auto-diff old → new (stores only changed fields):
a.LogChange(ctx, "updated", "post", post.ID, userID, oldMap, newMap)

// Versioning + restore:
a.Snapshot(ctx, "post", post.ID, oldMap, userID) // snapshot before a change
data, ver, _ := a.Restore(ctx, versionID)         // get prior state to re-apply

// Query the trail:
a.Activity(ctx, audit.Filter{SubjectType: "post", SubjectID: post.ID})
a.Activity(ctx, audit.Filter{CauserID: userID, Action: "deleted", Limit: 50})

Causer / IP / User-Agent are filled from the request context automatically (the plugin mounts audit.Middleware on the kernel router).

REST API

Method	Path	Purpose
GET	/api/audit/activity	filtered activity (subject_type, subject_id, causer_id, action, limit, offset)
GET	/api/audit/subjects/{type}/{id}	a record's full history
GET	/api/audit/versions/{type}/{id}	snapshots for a subject
POST	/api/audit/versions/{id}/restore	snapshot data to re-apply
GET	/api/audit/dashboard	recent activity feed

Configuration

No required env. Audit creates its tables (activity_log, versions) on boot via the kernel database (works on SQLite/Postgres/MySQL through togo's ORM). High-volume deployments can partition activity_log by created_at.

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