first commit

cmd/server/api/responses.go

@@ -0,0 +1,121 @@
+package api
+
+import (
+	"encoding/json"
+	"log/slog"
+	"mirror-sync/pkg/remote/obj"
+	"net/http"
+	"time"
+)
+
+func internalServerError(w http.ResponseWriter, r *http.Request) {
+	payload := obj.HTTPError{
+		HTTPCore: obj.HTTPCore{
+			Status:    http.StatusInternalServerError,
+			Path:      r.RequestURI,
+			Timestamp: time.Now(),
+		},
+		Error:   "Internal Server Error",
+		Message: "The server encountered an unexpected condition that prevented it from fulfilling the request.",
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	w.WriteHeader(http.StatusInternalServerError)
+	e := json.NewEncoder(w)
+	if err := e.Encode(payload); err != nil {
+		slog.Error(err.Error())
+	}
+}
+
+func notFound(message string, w http.ResponseWriter, r *http.Request) {
+	payload := obj.HTTPError{
+		HTTPCore: obj.HTTPCore{
+			Status:    http.StatusNotFound,
+			Path:      r.RequestURI,
+			Timestamp: time.Now(),
+		},
+		Error:   "Not Found",
+		Message: message,
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	w.WriteHeader(http.StatusNotFound)
+	e := json.NewEncoder(w)
+	if err := e.Encode(payload); err != nil {
+		slog.Error(err.Error())
+	}
+}
+
+func methodNotAllowed(w http.ResponseWriter, r *http.Request) {
+	payload := obj.HTTPError{
+		HTTPCore: obj.HTTPCore{
+			Status:    http.StatusMethodNotAllowed,
+			Path:      r.RequestURI,
+			Timestamp: time.Now(),
+		},
+		Error:   "Method Not Allowed",
+		Message: "The server knows the request method, but the target resource doesn't support this method",
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	w.WriteHeader(http.StatusMethodNotAllowed)
+	e := json.NewEncoder(w)
+	if err := e.Encode(payload); err != nil {
+		slog.Error(err.Error())
+	}
+}
+
+func unauthorized(w http.ResponseWriter, r *http.Request) {
+	payload := obj.HTTPError{
+		HTTPCore: obj.HTTPCore{
+			Status:    http.StatusUnauthorized,
+			Path:      r.RequestURI,
+			Timestamp: time.Now(),
+		},
+		Error:   "Unauthorized",
+		Message: "The request has not been completed because it lacks valid authentication credentials for the requested resource.",
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	w.Header().Add("WWW-Authenticate", "Custom realm=\"loginUserHandler via /api/login\"")
+	w.WriteHeader(http.StatusUnauthorized)
+	e := json.NewEncoder(w)
+	if err := e.Encode(payload); err != nil {
+		slog.Error(err.Error())
+	}
+}
+
+func ok(o interface{}, w http.ResponseWriter, r *http.Request) {
+	payload := obj.HTTPObject{
+		HTTPCore: obj.HTTPCore{
+			Status:    http.StatusOK,
+			Path:      r.RequestURI,
+			Timestamp: time.Now(),
+		},
+		Data: o,
+	}
+	w.Header().Add("Content-Type", "application/json")
+	e := json.NewEncoder(w)
+	if err := e.Encode(payload); err != nil {
+		slog.Error(err.Error())
+	}
+}
+
+func badRequest(message string, w http.ResponseWriter, r *http.Request) {
+	payload := obj.HTTPError{
+		HTTPCore: obj.HTTPCore{
+			Status:    http.StatusBadRequest,
+			Path:      r.RequestURI,
+			Timestamp: time.Now(),
+		},
+		Error:   "Bad Request",
+		Message: message,
+	}
+
+	w.Header().Add("Content-Type", "application/json")
+	w.WriteHeader(http.StatusBadRequest)
+	e := json.NewEncoder(w)
+	if err := e.Encode(payload); err != nil {
+		slog.Error(err.Error())
+	}
+}