Add additional project-level error handler to separate runtime & api errors in one struct

errs/error.go

@@ -0,0 +1,35 @@
+package errs
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+// Error returns the string representation of the error and satisfies the error interface.
+func (f *Failure) Error() string {
+	return f.RuntimeErr.Error()
+}
+
+// ApiError returns formatted string representation of the API error
+func (f *Failure) ApiError() string {
+	return fmt.Sprintf("%v", f.ApiErr)
+}
+
+// ApiErrors returns array of formatted strings that represents API errors
+func (f *Failure) ApiErrors() []string {
+	var errors []string
+
+	for i := 0; i < len(f.ApiErrs); i++ {
+		errors = append(errors, fmt.Sprintf("%v", f.ApiErrs[i]))
+	}
+
+	return errors
+}
+
+// ErrorResponse method
+func ErrorResponse(data []byte) (FailureResponse, error) {
+	var resp FailureResponse
+	err := json.Unmarshal(data, &resp)
+
+	return resp, err
+}

errs/interfaces.go

@@ -0,0 +1,8 @@
+package errs
+
+// Error implements generic error interface
+type Error interface {
+	error
+	ApiError() string
+	ApiErrors() []string
+}

errs/types.go

@@ -0,0 +1,14 @@
+package errs
+
+// Failure struct implode runtime & api errors
+type Failure struct {
+	RuntimeErr error
+	ApiErr     string
+	ApiErrs    []string
+}
+
+// FailureResponse convert json error response into object
+type FailureResponse struct {
+	ErrorMsg string   `json:"errorMsg,omitempty"`
+	Errors   []string `json:"errors,omitempty"`
+}

v5/response.go

@@ -1,21 +1,5 @@
 package v5
 
-import "encoding/json"
-
-// ErrorResponse type
-type ErrorResponse struct {
-	ErrorMsg string            `json:"errorMsg,omitempty"`
-	Errors   map[string]string `json:"errors,omitempty"`
-}
-
-// ErrorResponse method
-func (c *Client) ErrorResponse(data []byte) (ErrorResponse, error) {
-	var resp ErrorResponse
-	err := json.Unmarshal(data, &resp)
-
-	return resp, err
-}
-
 // SuccessfulResponse type
 type SuccessfulResponse struct {
 	Success bool `json:"success,omitempty"`