Change Log Updates

* Delete all change logs AboutUserID on account deletion, and export
  them in the data export zip.
* Log admin changes to ban/admin status of other users.
* Log user deactivations/reactivations and deletions (self serve or
  admin deletion).

pkg/controller/account/deactivate.go

@@ -41,6 +41,9 @@ func Deactivate() http.HandlerFunc {
 			session.LogoutUser(w, r)
 			session.Flash(w, r, "Your account has been deactivated and you are now logged out. If you wish to re-activate your account, sign in again with your username and password.")
 			templates.Redirect(w, "/")
+
+			// Log the change.
+			models.LogUpdated(currentUser, nil, "users", currentUser.ID, "Deactivated their account.", nil)
 			return
 		}
 
@@ -78,5 +81,8 @@ func Reactivate() http.HandlerFunc {
 
 		session.Flash(w, r, "Welcome back! Your account has been reactivated.")
 		templates.Redirect(w, "/")
+
+		// Log the change.
+		models.LogUpdated(currentUser, nil, "users", currentUser.ID, "Reactivated their account.", nil)
 	})
 }

pkg/controller/account/delete.go

@@ -1,9 +1,11 @@
 package account
 
 import (
+	"fmt"
 	"net/http"
 	"strings"
 
+	"code.nonshy.com/nonshy/website/pkg/models"
 	"code.nonshy.com/nonshy/website/pkg/models/deletion"
 	"code.nonshy.com/nonshy/website/pkg/session"
 	"code.nonshy.com/nonshy/website/pkg/templates"
@@ -40,6 +42,9 @@ func Delete() http.HandlerFunc {
 			session.LogoutUser(w, r)
 			session.Flash(w, r, "Your account has been deleted.")
 			templates.Redirect(w, "/")
+
+			// Log the change.
+			models.LogDeleted(nil, nil, "users", currentUser.ID, fmt.Sprintf("Username %s has deleted their account.", currentUser.Username), nil)
 			return
 		}
 

pkg/controller/admin/user_actions.go

@@ -1,6 +1,7 @@
 package admin
 
 import (
+	"fmt"
 	"net/http"
 	"strconv"
 	"strings"
@@ -155,6 +156,9 @@ func UserActions() http.HandlerFunc {
 				user.Save()
 				session.Flash(w, r, "User ban status updated!")
 				templates.Redirect(w, "/u/"+user.Username)
+
+				// Log the change.
+				models.LogUpdated(user, currentUser, "users", currentUser.ID, fmt.Sprintf("User ban status updated to: %s", status), nil)
 				return
 			}
 		case "promote":
@@ -171,6 +175,9 @@ func UserActions() http.HandlerFunc {
 				user.Save()
 				session.Flash(w, r, "User admin status updated!")
 				templates.Redirect(w, "/u/"+user.Username)
+
+				// Log the change.
+				models.LogUpdated(user, currentUser, "users", currentUser.ID, fmt.Sprintf("User admin status updated to: %s", action), nil)
 				return
 			}
 		case "delete":
@@ -188,6 +195,9 @@ func UserActions() http.HandlerFunc {
 					session.Flash(w, r, "User has been deleted!")
 				}
 				templates.Redirect(w, "/admin")
+
+				// Log the change.
+				models.LogDeleted(nil, currentUser, "users", user.ID, fmt.Sprintf("Username %s has been deleted by an admin.", user.Username), nil)
 				return
 			}
 		default:

pkg/models/deletion/delete_user.go

@@ -41,6 +41,7 @@ func DeleteUser(user *models.User) error {
 		{"Two Factor", DeleteTwoFactor},
 		{"Profile Fields", DeleteProfile},
 		{"User Notes", DeleteUserNotes},
+		{"Change Logs", DeleteChangeLogs},
 	}
 	for _, item := range todo {
 		if err := item.Fn(user.ID); err != nil {
@@ -327,3 +328,13 @@ func DeleteUserNotes(userID uint64) error {
 	).Delete(&models.UserNote{})
 	return result.Error
 }
+
+// DeleteChangeLogs scrubs data for deleting a user.
+func DeleteChangeLogs(userID uint64) error {
+	log.Error("DeleteUser: DeleteChangeLogs(%d)", userID)
+	result := models.DB.Where(
+		"about_user_id = ?",
+		userID,
+	).Delete(&models.ChangeLog{})
+	return result.Error
+}

pkg/models/exporting/models.go

@@ -40,6 +40,7 @@ func ExportModels(zw *zip.Writer, user *models.User) error {
 		// Note: AdminGroup info is eager-loaded in User export
 		{"UserLocation", ExportUserLocationTable},
 		{"UserNote", ExportUserNoteTable},
+		{"ChangeLog", ExportChangeLogTable},
 		{"TwoFactor", ExportTwoFactorTable},
 	}
 	for _, item := range todo {
@@ -383,6 +384,21 @@ func ExportUserNoteTable(zw *zip.Writer, user *models.User) error {
 	return ZipJson(zw, "user_notes.json", items)
 }
 
+func ExportChangeLogTable(zw *zip.Writer, user *models.User) error {
+	var (
+		items = []*models.ChangeLog{}
+		query = models.DB.Model(&models.ChangeLog{}).Where(
+			"about_user_id = ? OR admin_user_id = ?",
+			user.ID, user.ID,
+		).Find(&items)
+	)
+	if query.Error != nil {
+		return query.Error
+	}
+
+	return ZipJson(zw, "change_logs.json", items)
+}
+
 func ExportUserLocationTable(zw *zip.Writer, user *models.User) error {
 	var (
 		items = []*models.UserLocation{}