chore(api): reorganize handlers into webserver package

webserver/utils/responses.go

@@ -0,0 +1,77 @@
+package utils
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/owncast/owncast/models"
+	"github.com/owncast/owncast/webserver/router/middleware"
+	log "github.com/sirupsen/logrus"
+)
+
+type J map[string]interface{}
+
+// InternalErrorHandler will return an error message as an HTTP response.
+func InternalErrorHandler(w http.ResponseWriter, err error) {
+	if err == nil {
+		return
+	}
+
+	if err := json.NewEncoder(w).Encode(J{"error": err.Error()}); err != nil {
+		InternalErrorHandler(w, err)
+	}
+}
+
+// BadRequestHandler will return an HTTP 500 as an HTTP response.
+func BadRequestHandler(w http.ResponseWriter, err error) {
+	if err == nil {
+		return
+	}
+
+	log.Debugln(err)
+
+	w.WriteHeader(http.StatusBadRequest)
+	if err := json.NewEncoder(w).Encode(J{"error": err.Error()}); err != nil {
+		InternalErrorHandler(w, err)
+	}
+}
+
+// WriteSimpleResponse will return a message as a response.
+func WriteSimpleResponse(w http.ResponseWriter, success bool, message string) {
+	response := models.BaseAPIResponse{
+		Success: success,
+		Message: message,
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+
+	if success {
+		w.WriteHeader(http.StatusOK)
+	} else {
+		w.WriteHeader(http.StatusBadRequest)
+	}
+
+	if err := json.NewEncoder(w).Encode(response); err != nil {
+		InternalErrorHandler(w, err)
+	}
+}
+
+// WriteResponse will return an object as a JSON encoded uncacheable response.
+func WriteResponse(w http.ResponseWriter, response interface{}) {
+	w.Header().Set("Content-Type", "application/json")
+	middleware.DisableCache(w)
+
+	w.WriteHeader(http.StatusOK)
+
+	if err := json.NewEncoder(w).Encode(response); err != nil {
+		InternalErrorHandler(w, err)
+	}
+}
+
+// WriteString will return a basic string and a status code to the client.
+func WriteString(w http.ResponseWriter, text string, status int) error {
+	w.Header().Set("Content-Type", "text/html")
+	w.WriteHeader(status)
+	_, err := w.Write([]byte(text))
+	return err
+}