MM-24845/MM-24846: local mode handler for createCommand and listCommands (#14486)

* Add local mode handler for createCommand
* Add local mode handler for listCommands
* Fix bad merge

Co-authored-by: Ibrahim Serdar Acikgoz <serdaracikgoz86@gmail.com>
Co-authored-by: Miguel de la Cruz <miguel@mcrx.me>
Co-authored-by: mattermod <mattermod@users.noreply.github.com>

api4/command_local.go

@@ -0,0 +1,41 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package api4
+
+import (
+	"net/http"
+
+	"github.com/mattermost/mattermost-server/v5/audit"
+	"github.com/mattermost/mattermost-server/v5/model"
+)
+
+func (api *API) InitCommandLocal() {
+	api.BaseRoutes.Commands.Handle("", api.ApiLocal(localCreateCommand)).Methods("POST")
+	api.BaseRoutes.Commands.Handle("", api.ApiLocal(listCommands)).Methods("GET")
+}
+
+func localCreateCommand(c *Context, w http.ResponseWriter, r *http.Request) {
+	cmd := model.CommandFromJson(r.Body)
+	if cmd == nil {
+		c.SetInvalidParam("command")
+		return
+	}
+
+	auditRec := c.MakeAuditRecord("localCreateCommand", audit.Fail)
+	defer c.LogAuditRec(auditRec)
+	c.LogAudit("attempt")
+
+	rcmd, err := c.App.CreateCommand(cmd)
+	if err != nil {
+		c.Err = err
+		return
+	}
+
+	auditRec.Success()
+	c.LogAudit("success")
+	auditRec.AddMeta("command", rcmd)
+
+	w.WriteHeader(http.StatusCreated)
+	w.Write([]byte(rcmd.ToJson()))
+}