Able to edit settings in interface

sources/fields.go

@@ -0,0 +1,53 @@
+package sources
+
+import (
+	"reflect"
+	"strings"
+)
+
+type SourceField struct {
+	Id          string      `json:"id"`
+	Type        string      `json:"type"`
+	Label       string      `json:"label,omitempty"`
+	Placeholder string      `json:"placeholder,omitempty"`
+	Default     interface{} `json:"default,omitempty"`
+	Required    bool        `json:"required,omitempty"`
+	Description string      `json:"description,omitempty"`
+}
+
+func GenFields(data interface{}) (fields []*SourceField) {
+	if data != nil {
+		dataMeta := reflect.Indirect(reflect.ValueOf(data)).Type()
+
+		for i := 0; i < dataMeta.NumField(); i += 1 {
+			field := dataMeta.Field(i)
+			if field.IsExported() {
+				fields = append(fields, GenField(field))
+			}
+		}
+	}
+	return
+}
+
+func GenField(field reflect.StructField) (f *SourceField) {
+	f = &SourceField{
+		Id:          field.Name,
+		Type:        field.Type.String(),
+		Label:       field.Tag.Get("label"),
+		Placeholder: field.Tag.Get("placeholder"),
+		Default:     field.Tag.Get("default"),
+		Description: field.Tag.Get("description"),
+	}
+
+	jsonTag := field.Tag.Get("json")
+	jsonTuples := strings.Split(jsonTag, ",")
+	if len(jsonTuples) > 0 && len(jsonTuples[0]) > 0 {
+		f.Id = jsonTuples[0]
+	}
+
+	if f.Label == "" {
+		f.Label = field.Name
+	}
+
+	return
+}