Rest API reorganization (#3624)

* reorg API

* reorg api

* fix system route

* remove newline

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

server/api/limits.go

@@ -0,0 +1,80 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/gorilla/mux"
+)
+
+func (a *API) registerLimitsRoutes(r *mux.Router) {
+	// limits
+	r.HandleFunc("/limits", a.sessionRequired(a.handleCloudLimits)).Methods("GET")
+	r.HandleFunc("/teams/{teamID}/notifyadminupgrade", a.sessionRequired(a.handleNotifyAdminUpgrade)).Methods(http.MethodPost)
+}
+
+func (a *API) handleCloudLimits(w http.ResponseWriter, r *http.Request) {
+	// swagger:operation GET /limits cloudLimits
+	//
+	// Fetches the cloud limits of the server.
+	//
+	// ---
+	// produces:
+	// - application/json
+	// security:
+	// - BearerAuth: []
+	// responses:
+	//   '200':
+	//     description: success
+	//     schema:
+	//         "$ref": "#/definitions/BoardsCloudLimits"
+	//   default:
+	//     description: internal error
+	//     schema:
+	//       "$ref": "#/definitions/ErrorResponse"
+
+	boardsCloudLimits, err := a.app.GetBoardsCloudLimits()
+	if err != nil {
+		a.errorResponse(w, r.URL.Path, http.StatusInternalServerError, "", err)
+		return
+	}
+
+	data, err := json.Marshal(boardsCloudLimits)
+	if err != nil {
+		a.errorResponse(w, r.URL.Path, http.StatusInternalServerError, "", err)
+		return
+	}
+
+	jsonBytesResponse(w, http.StatusOK, data)
+}
+
+func (a *API) handleNotifyAdminUpgrade(w http.ResponseWriter, r *http.Request) {
+	// swagger:operation GET /api/v2/teams/{teamID}/notifyadminupgrade handleNotifyAdminUpgrade
+	//
+	// Notifies admins for upgrade request.
+	//
+	// ---
+	// produces:
+	// - application/json
+	// security:
+	// - BearerAuth: []
+	// responses:
+	//   '200':
+	//     description: success
+	//   default:
+	//     description: internal error
+	//     schema:
+	//       "$ref": "#/definitions/ErrorResponse"
+
+	if !a.MattermostAuth {
+		a.errorResponse(w, r.URL.Path, http.StatusNotFound, "", errAPINotSupportedInStandaloneMode)
+		return
+	}
+
+	vars := mux.Vars(r)
+	teamID := vars["teamID"]
+
+	if err := a.app.NotifyPortalAdminsUpgradeRequest(teamID); err != nil {
+		jsonStringResponse(w, http.StatusOK, "{}")
+	}
+}