api handlers to register and unregister host from turn,added dockerfile

turnserver/internal/utils/response.go

@@ -0,0 +1,36 @@
+package utils
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/gravitl/netmaker/turnserver/internal/models"
+)
+
+// ReturnSuccessResponse - success api response
+// ReturnSuccessResponse - success api response
+func ReturnSuccessResponse(c *gin.Context, message string, responseBody interface{}) {
+	var httpResponse models.SuccessResponse
+	httpResponse.Code = http.StatusOK
+	httpResponse.Message = message
+	httpResponse.Response = responseBody
+	if httpResponse.Response == nil {
+		httpResponse.Response = struct{}{}
+	}
+	c.Writer.Header().Set("Content-Type", "application/json")
+	c.JSON(http.StatusOK, httpResponse)
+}
+
+// ReturnErrorResponse - error api response
+func ReturnErrorResponse(c *gin.Context, errorMessage models.ErrorResponse) {
+	httpResponse := &models.ErrorResponse{Code: errorMessage.Code, Message: errorMessage.Message}
+	c.Writer.Header().Set("Content-Type", "application/json")
+	c.JSON(errorMessage.Code, httpResponse)
+}
+
+// AbortWithError - abort api request with error
+func AbortWithError(c *gin.Context, errorMessage models.ErrorResponse) {
+	httpResponse := &models.ErrorResponse{Code: errorMessage.Code, Message: errorMessage.Message}
+	c.Writer.Header().Set("Content-Type", "application/json")
+	c.AbortWithStatusJSON(errorMessage.Code, httpResponse)
+}