Add openapi endpoint

Author: simondanielsson

.golangci.yaml

@@ -0,0 +1,11 @@
+run:
+  concurrency: 4
+  allow-parallel-runners: true
+
+# output:
+#   formats:
+#   - format: json
+#     path: stderr
+#   - format: checkstyle
+#     path: report.xml
+#   - format: colored-line-number

cmd/internal/config/config.go

@@ -16,7 +16,7 @@ func Load(getenv func(string) string, logger logging.Logger) (Config, error) {
 	cfg := Config{
 		Server: ServerConfig{
 			AppEnv:       "local",
-			Addr:         "8999",
+			Addr:         "8080",
 			ReadTimeout:  30 * time.Second,
 			WriteTimeout: 30 * time.Second,
 		},

cmd/internal/routes/routes.go

@@ -32,6 +32,7 @@ func RegisterRoutes(mux *http.ServeMux, logger logging.Logger) {
 	mux.Handle("GET /api/v1/recitals/{id}/audio", streamRecitalAudioHandler(logger))
 	mux.Handle("POST /api/v1/users", createUserHandler(logger))
 	mux.Handle("GET /api/v1/auth", loginUserHandler(logger))
+	mux.Handle("GET /api/v1/openapi.json", swaggerHandler(logger))
 }
 
 func mainpageHandler(logger logging.Logger) http.Handler {
@@ -302,3 +303,21 @@ func readIntQueryParam(name string, otherwise int, w http.ResponseWriter, r *htt
 		return value, nil
 	}
 }
+
+func swaggerHandler(logger logging.Logger) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		swaggerPath := "openapi.json"
+		swaggerData, err := os.ReadFile(swaggerPath)
+		if err != nil {
+			logger.Err.Printf("Failed to read swagger file: %v", err)
+			repondWithErrorMessage(w, r, "Failed to read OpenAPI specification", http.StatusInternalServerError, logger)
+			return
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		if _, err := w.Write(swaggerData); err != nil {
+			logger.Err.Printf("Failed to write swagger response: %v", err)
+		}
+	})
+}

cmd/internal/routes/user_routes.go

@@ -43,7 +43,7 @@ func createUserHandler(logger logging.Logger) http.Handler {
 			return
 		}
 
-		status := http.StatusOK
+		status := http.StatusCreated
 		w.WriteHeader(status)
 		// A bit hacky way towrite override the existing context
 		ctx = context.WithValue(ctx, constants.StatusCodeKey, status)