devops tenant api

Signed-off-by: runzexia <runzexia@yunify.com>

vendor/github.com/gocraft/dbr/util.go

@@ -0,0 +1,71 @@
+package dbr
+
+import (
+	"bytes"
+	"database/sql/driver"
+	"reflect"
+	"unicode"
+)
+
+func camelCaseToSnakeCase(name string) string {
+	buf := new(bytes.Buffer)
+
+	runes := []rune(name)
+
+	for i := 0; i < len(runes); i++ {
+		buf.WriteRune(unicode.ToLower(runes[i]))
+		if i != len(runes)-1 && unicode.IsUpper(runes[i+1]) &&
+			(unicode.IsLower(runes[i]) || unicode.IsDigit(runes[i]) ||
+				(i != len(runes)-2 && unicode.IsLower(runes[i+2]))) {
+			buf.WriteRune('_')
+		}
+	}
+
+	return buf.String()
+}
+
+func structMap(value reflect.Value) map[string]reflect.Value {
+	m := make(map[string]reflect.Value)
+	structValue(m, value)
+	return m
+}
+
+var (
+	typeValuer = reflect.TypeOf((*driver.Valuer)(nil)).Elem()
+)
+
+func structValue(m map[string]reflect.Value, value reflect.Value) {
+	if value.Type().Implements(typeValuer) {
+		return
+	}
+	switch value.Kind() {
+	case reflect.Ptr:
+		if value.IsNil() {
+			return
+		}
+		structValue(m, value.Elem())
+	case reflect.Struct:
+		t := value.Type()
+		for i := 0; i < t.NumField(); i++ {
+			field := t.Field(i)
+			if field.PkgPath != "" && !field.Anonymous {
+				// unexported
+				continue
+			}
+			tag := field.Tag.Get("db")
+			if tag == "-" {
+				// ignore
+				continue
+			}
+			if tag == "" {
+				// no tag, but we can record the field name
+				tag = camelCaseToSnakeCase(field.Name)
+			}
+			fieldValue := value.Field(i)
+			if _, ok := m[tag]; !ok {
+				m[tag] = fieldValue
+			}
+			structValue(m, fieldValue)
+		}
+	}
+}