Audit logging -- convert audit logs to use the new schema (#20526)

* Audit logging - new schema added, old schema removed.

* fix linter error by running goimports

* Address review comments

* Address review comments

* Example usage of new audit logging API for the updateUserAuth call

* fixed unit test on auditing updating user record

* Changed the `TestUpdateConfigDiffInAuditRecord` testcase---it failed, because this PR changes how the `meta` field is serialized into the audit log records.

* fix linter error

* use string constants for record keys

* new audit api calls for api4/bot

* `Auditable` interface implementations for model classes

* New audit calls for channel api

* New audit calls for channel_local

* renamed receivers for required style reasons

* New audit calls for api4/command

* renamed receiver

* New audit calls for api4/command_local

* renamed receiver

* fix unit test to reflect changes in the Auditable implementation of the user class

* new audit calls for compliance

* new audit calls for configs

* remove auditRec.addMeta from updateConfig and patchConfig

* new audit calls for config_local

* new audit calls

* new audit calls for ldap, license apis

* new audit calls

* new audit calls

* new audit calls

* new audit calls

* new audit calls

* new audit calls

* new audit calls

* new audit calls

* fix linter error

* fixed linter error

* fixed "user update" test

* Don't include all of config when audit logging config changes. Also fix unit test on TestUpdateConfigDiffInAuditRecord

* address review comments

* Added Auditable() method for UserPatch

* Fix duplicative method declaration from merge

* Fix styling and API changes issues introduced with merge

* Fix broken test

Co-authored-by: Daniel Schalla <daniel@schalla.me>

api4/system.go

@@ -268,8 +268,8 @@ func getAudits(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 
 	auditRec.Success()
-	auditRec.AddMeta("page", c.Params.Page)
-	auditRec.AddMeta("audits_per_page", c.Params.LogsPerPage)
+	auditRec.AddEventParameter("page", c.Params.Page)
+	auditRec.AddEventParameter("audits_per_page", c.Params.LogsPerPage)
 
 	if err := json.NewEncoder(w).Encode(audits); err != nil {
 		mlog.Warn("Error while writing response", mlog.Err(err))
@@ -342,8 +342,8 @@ func getLogs(c *Context, w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	auditRec.AddMeta("page", c.Params.Page)
-	auditRec.AddMeta("logs_per_page", c.Params.LogsPerPage)
+	auditRec.AddEventParameter("page", c.Params.Page)
+	auditRec.AddEventParameter("logs_per_page", c.Params.LogsPerPage)
 
 	w.Write([]byte(model.ArrayToJSON(lines)))
 }
@@ -620,7 +620,7 @@ func setServerBusy(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	auditRec := c.MakeAuditRecord("setServerBusy", audit.Fail)
 	defer c.LogAuditRec(auditRec)
-	auditRec.AddMeta("seconds", i)
+	auditRec.AddEventParameter("seconds", i)
 
 	c.App.Srv().Busy.Set(time.Second * time.Duration(i))
 	mlog.Warn("server busy state activated - non-critical services disabled", mlog.Int64("seconds", i))
@@ -935,7 +935,8 @@ func completeOnboarding(c *Context, w http.ResponseWriter, r *http.Request) {
 		c.Err = model.NewAppError("completeOnboarding", "app.system.complete_onboarding_request.app_error", nil, err.Error(), http.StatusBadRequest)
 		return
 	}
-	auditRec.AddMeta("install_plugin", onboardingRequest.InstallPlugins)
+	auditRec.AddEventParameter("install_plugin", onboardingRequest.InstallPlugins)
+	auditRec.AddEventParameter("onboarding_request", onboardingRequest)
 
 	appErr := c.App.CompleteOnboarding(c.AppContext, onboardingRequest)
 	if appErr != nil {