Add settings persistance on backend

backend/internal/api/handlers.go

@@ -4,9 +4,12 @@ import (
 	"encoding/json"
 	"io"
 	"net/http"
+	"strconv"
 	"strings"
 
+	"novamd/internal/db"
 	"novamd/internal/filesystem"
+	"novamd/internal/models"
 )
 
 func ListFiles(fs *filesystem.FileSystem) http.HandlerFunc {
@@ -69,3 +72,40 @@ func DeleteFile(fs *filesystem.FileSystem) http.HandlerFunc {
 		w.Write([]byte("File deleted successfully"))
 	}
 }
+
+func GetSettings(db *db.DB) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		userIDStr := r.URL.Query().Get("userId")
+		userID, err := strconv.Atoi(userIDStr)
+		if err != nil {
+			http.Error(w, "Invalid userId", http.StatusBadRequest)
+			return
+		}
+
+		settings, err := db.GetSettings(userID)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		json.NewEncoder(w).Encode(settings)
+	}
+}
+
+func UpdateSettings(db *db.DB) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var settings models.Settings
+		if err := json.NewDecoder(r.Body).Decode(&settings); err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+
+		err := db.SaveSettings(settings)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		w.WriteHeader(http.StatusOK)
+	}
+}

backend/internal/api/routes.go

@@ -0,0 +1,23 @@
+package api
+
+import (
+	"novamd/internal/db"
+	"novamd/internal/filesystem"
+
+	"github.com/go-chi/chi/v5"
+)
+
+func SetupRoutes(r chi.Router, db *db.DB, fs *filesystem.FileSystem) {
+	r.Route("/api/v1", func(r chi.Router) {
+		r.Route("/settings", func(r chi.Router) {
+			r.Get("/", GetSettings(db))
+			r.Post("/", UpdateSettings(db))
+		})
+		r.Route("/files", func(r chi.Router) {
+			r.Get("/", ListFiles(fs))
+			r.Get("/*", GetFileContent(fs))
+			r.Post("/*", SaveFile(fs))
+			r.Delete("/*", DeleteFile(fs))
+		})
+	})
+}