feat: add limit param for resources

backend/src/database/leftmenulinks.go

@@ -6,9 +6,9 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
-func (db *DB) GetLeftMenuLinks() ([]models.LeftMenuLink, error) {
+func (db *DB) GetLeftMenuLinks(limit int) ([]models.LeftMenuLink, error) {
 	var links []models.LeftMenuLink
-	if err := db.Find(&links).Error; err != nil {
+	if err := db.Model(&models.LeftMenuLink{}).Limit(limit).Find(&links).Error; err != nil {
 		return nil, newGetRecordsDBError(err, "left_menu_links")
 	}
 	return links, nil

backend/src/handlers/left_menu_handler.go

@@ -4,6 +4,7 @@ import (
 	"UnlockEdv2/src/models"
 	"encoding/json"
 	"net/http"
+	"strconv"
 )
 
 func (srv *Server) registerLeftMenuRoutes() []routeDef {
@@ -16,7 +17,12 @@ func (srv *Server) registerLeftMenuRoutes() []routeDef {
 
 func (srv *Server) handleGetLeftMenu(w http.ResponseWriter, r *http.Request, log sLog) error {
 	log.info("GET: /api/left-menu")
-	links, err := srv.Db.GetLeftMenuLinks()
+	var limit int
+	limit, err := strconv.Atoi(r.URL.Query().Get("limit"))
+	if err != nil {
+		limit = -1
+	}
+	links, err := srv.Db.GetLeftMenuLinks(limit)
 	if err != nil {
 		return newDatabaseServiceError(err)
 	}

backend/src/handlers/left_menu_handler_test.go

@@ -4,25 +4,27 @@ import (
 	"UnlockEdv2/src/models"
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"slices"
 	"testing"
 )
 
 func TestHandleGetLeftMenu(t *testing.T) {
 	httpTests := []httpTest{
-		{"TestGetLeftMenuAsAdmin", "admin", nil, http.StatusOK, ""},
-		{"TestGetLeftMenuAsUser", "student", nil, http.StatusOK, ""},
+		{"TestGetLeftMenuAsAdmin", "admin", map[string]any{"limit": -1}, http.StatusOK, ""},
+		{"TestGetLeftMenuAsUser", "student", map[string]any{"limit": -1}, http.StatusOK, ""},
+		{"TestGetLeftMenuWithLimitAsUser", "student", map[string]any{"limit": 5}, http.StatusOK, "?limit=5"},
 	}
 	for _, test := range httpTests {
 		t.Run(test.testName, func(t *testing.T) {
-			req, err := http.NewRequest(http.MethodGet, "/api/left-menu", nil)
+			req, err := http.NewRequest(http.MethodGet, fmt.Sprintf("/api/left-menu%v", test.queryParams), nil)
 			if err != nil {
 				t.Fatalf("unable to create new request, error is %v", err)
 			}
 			handler := getHandlerByRole(server.handleGetLeftMenu, test.role)
 			rr := executeRequest(t, req, handler, test)
-			menuLinks, err := server.Db.GetLeftMenuLinks()
+			menuLinks, err := server.Db.GetLeftMenuLinks(test.mapKeyValues["limit"].(int))
 			if err != nil {
 				t.Fatalf("unable to retrieve menu links, error is %v", err)
 			}
@@ -64,7 +66,7 @@ func TestHandlePostLeftMenuLinks(t *testing.T) {
 			handler := getHandlerByRoleWithMiddleware(server.handlePostLeftMenuLinks, test.role)
 			rr := executeRequest(t, req, handler, test)
 			if test.expectedStatusCode == http.StatusCreated {
-				menuLinks, err := server.Db.GetLeftMenuLinks()
+				menuLinks, err := server.Db.GetLeftMenuLinks(-1)
 				if err != nil {
 					t.Errorf("failed to retrieve menu links, error is %v", err)
 				}