Initial

app/router/helpers.go

@@ -0,0 +1,70 @@
+package router
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+func isError(c *gin.Context, err error) bool {
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"details": err.Error(),
+		})
+		return true
+	}
+	return false
+}
+
+func raiseError(c *gin.Context, errCode int, message string) {
+	c.AbortWithStatusJSON(errCode, gin.H{
+		"details": message,
+	})
+}
+
+func raiseBadRequestError(c *gin.Context, message string) {
+	raiseError(c, http.StatusBadRequest, message)
+}
+
+func raiseNotFoundError(c *gin.Context, message string) {
+	raiseError(c, http.StatusNotFound, message)
+}
+
+func raiseInternalError(c *gin.Context, message string) {
+	c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{
+		"details": "Internal server error. We will we will fix it!",
+	})
+}
+
+func corsMiddleware() gin.HandlerFunc {
+	allowHeaders := [12]string{
+		"Content-Type",
+		"Content-Length",
+		"Accept-Encoding",
+		"X-CSRF-Token",
+		"Authorization",
+		"accept",
+		"origin",
+		"Cache-Control",
+		"X-Requested-With",
+		"x-timezone",
+		"Access-Control-Allow-Origin",
+		"Access-Control-Max-Age",
+	}
+
+	return func(c *gin.Context) {
+		allowOrigin := "*"
+		c.Writer.Header().Set("Access-Control-Allow-Origin", allowOrigin)
+		c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
+		c.Writer.Header().Set("Access-Control-Allow-Headers", strings.Join(allowHeaders[:], ", "))
+		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT, DELETE")
+
+		if c.Request.Method == "OPTIONS" {
+			c.AbortWithStatus(http.StatusNoContent)
+			return
+		}
+
+		c.Next()
+	}
+}