feat: initial commit

cmd/api/errors.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"net/http"
+)
+
+func (api *api) internalServerError(w http.ResponseWriter, r *http.Request, err error) {
+	api.logger.Errorw("internal server error", "method", r.Method, "path", r.URL.Path, "error", err.Error())
+	errorJSON(w, http.StatusInternalServerError, "internal server error")
+}
+
+func (api *api) badRequestError(w http.ResponseWriter, r *http.Request, err error) {
+	api.logger.Warnw("bad request", "method", r.Method, "path", r.URL.Path, "error", err.Error())
+	errorJSON(w, http.StatusInternalServerError, err.Error())
+}
+
+func (api *api) notFoundError(w http.ResponseWriter, r *http.Request, err error) {
+	api.logger.Warnw("not found", "method", r.Method, "path", r.URL.Path, "error", err.Error())
+	errorJSON(w, http.StatusNotFound, "resource not found")
+}
+
+func (api *api) conflictError(w http.ResponseWriter, r *http.Request, err error) {
+	api.logger.Errorw("conflict", "method", r.Method, "path", r.URL.Path, "error", err.Error())
+	errorJSON(w, http.StatusConflict, "resource conflict")
+}
+
+func (api *api) unauthorizedError(w http.ResponseWriter, r *http.Request, err error) {
+	api.logger.Warnw("unauthorized", "method", r.Method, "path", r.URL.Path, "error", err.Error())
+	errorJSON(w, http.StatusUnauthorized, "unauthorized")
+}
+
+func (api *api) unauthorizedBasicError(w http.ResponseWriter, r *http.Request, err error) {
+	api.logger.Warnw("unauthorized", "method", r.Method, "path", r.URL.Path, "error", err.Error())
+	w.Header().Set("WWW-Authenticate", `Basic realm="restricted", charset="UTF-8"`)
+	errorJSON(w, http.StatusUnauthorized, "basic unauthorized")
+}
+
+func (api *api) forbiddenError(w http.ResponseWriter, r *http.Request, err error) {
+	api.logger.Warnw("forbidden", "method", r.Method, "path", r.URL.Path, "error", err.Error())
+	errorJSON(w, http.StatusForbidden, "forbidden")
+}
+
+func (api *api) rateLimitExceededError(w http.ResponseWriter, r *http.Request, retryAfter string) {
+	api.logger.Warnw("rate limit exceeded", "method", r.Method, "path", r.URL.Path)
+	w.Header().Set("Retry-After", retryAfter)
+	errorJSON(w, http.StatusTooManyRequests, "too many requests, retry after "+retryAfter)
+}