Feature/circuit

error/error.go

@@ -0,0 +1,58 @@
+package error
+
+import (
+	"fmt"
+	"strings"
+)
+
+type ChakiError struct {
+	ClientName string
+	StatusCode int
+	RawBody    []byte
+	ParsedBody interface{}
+}
+
+func (e *ChakiError) Error() string {
+	msg := fmt.Sprintf("Error on client %s (Status %d)", e.ClientName, e.StatusCode)
+	if details := e.extractErrorDetails(); details != "" {
+		msg += ": " + details
+	}
+
+	return msg
+}
+
+func (e *ChakiError) Status() int {
+	return e.StatusCode
+}
+
+type RandomError interface {
+	Status() int
+}
+
+func (e *ChakiError) extractErrorDetails() string {
+	var details []string
+
+	var extract func(interface{})
+	extract = func(v interface{}) {
+		switch value := v.(type) {
+		case string:
+			details = append(details, strings.TrimSpace(value))
+		case map[string]interface{}:
+			for _, v := range value {
+				extract(v)
+			}
+		case []interface{}:
+			for _, v := range value {
+				extract(v)
+			}
+		}
+	}
+
+	extract(e.ParsedBody)
+
+	if len(details) == 0 && len(e.RawBody) > 0 {
+		return strings.TrimSpace(string(e.RawBody))
+	}
+
+	return strings.Join(details, "; ")
+}