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type.go
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type.go
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package api_type
import (
"encoding/json"
"errors"
"fmt"
"reflect"
"regexp"
"sort"
"strings"
"github.com/lovego/struct_tag"
)
type Member struct {
Type string `yaml:"type"`
Name string `yaml:"name"`
Comment string `yaml:"comment"`
JsonName string `yaml:"jsonName"`
FormName string `yaml:"formName"`
Options []string `yaml:"options"`
NotMust bool `yaml:"notMust"`
}
type Object struct {
Name string `yaml:"name"`
JsonName string `yaml:"jsonName"`
Comment string `yaml:"comment"`
Members []Member `yaml:"fields"`
}
type ObjectMap map[string]Object
func (o *ObjectMap) Get(key string) (Object, bool) {
s, ok := (*o)[key]
return s, ok
}
func (o *ObjectMap) Delete(key string) {
delete(*o, key)
}
func (o *ObjectMap) Deletes(keys []string) {
for _, key := range keys {
o.Delete(key)
}
}
func (o *ObjectMap) Len() int {
return len(*o)
}
func (o *ObjectMap) ToList() []Object {
list := make([]Object, 0, o.Len())
for _, obj := range *o {
list = append(list, obj)
}
sort.Slice(list, func(i, j int) bool {
return list[i].Name < list[j].Name
})
return list
}
func (o *ObjectMap) ToTypeScript() {
for key, obj := range *o {
for i, member := range obj.Members {
(*o)[key].Members[i].Type = TsType(member.Type)
}
}
*o = *o
}
func (o *ObjectMap) NoPrimMembers(lang string) []string {
var list []string
for _, object := range *o {
for _, member := range object.Members {
_, err := TsPrimitiveType(member.Type)
if err != nil {
list = append(list, member.Type)
}
}
}
return list
}
func (o *ObjectMap) IsExistMember(name string) bool {
for _, object := range *o {
//if object.Name == name {
// return true
//}
for _, mem := range object.Members {
if mem.Type == name {
return true
}
}
}
return false
}
var whitespaceRegexp = regexp.MustCompile(`\s+`)
// extract comment from struct field tags
func getComment(tag reflect.StructTag) string {
tagStr := string(tag)
comment, _ := struct_tag.Lookup(tagStr, `comment`)
if comment == `` {
comment, _ = struct_tag.Lookup(tagStr, `c`)
}
if comment != `` {
comment = strings.TrimSpace(comment)
}
if comment != `` {
comment = whitespaceRegexp.ReplaceAllString(comment, " ")
}
return comment
}
func GetTyp(typ reflect.Type) reflect.Type {
switch typ.Kind() {
case reflect.Struct:
return typ
case reflect.Ptr, reflect.Slice, reflect.Array, reflect.Map:
return GetTyp(typ.Elem())
default:
return typ
}
}
func GetObjectMap(ob *ObjectMap, types []reflect.Type, lang, memberType string) error {
if ob == nil {
return errors.New("obj必填")
}
for _, typ := range types {
if typ == nil {
continue
}
obj := Object{
Name: typ.Name(),
Comment: typ.Name(),
Members: nil,
}
obj.Comment = cleanComment(obj.Comment)
members, specList, err := GetMembers(ob, typ, lang, memberType)
if err != nil {
return err
}
obj.Members = members
(*ob)[obj.Name] = obj
if len(specList) == 0 {
continue
}
err = GetObjectMap(ob, specList, lang, memberType)
if err != nil {
return err
}
//if len(l) == 0 {
// continue
//}
//for k, v := range l {
// list[k] = v
//}
}
return nil
}
const (
MemberTypeJson = "json"
MemberTypeNonBody = "!json"
MemberTypeForm = "form"
MemberTypeAll = ""
)
// memberType json:带有json标签的body字段 !json:除了json标签的其他字段 form:带有form标签的表单字段 为空表示所有字段
func GetMembers(list *ObjectMap, tp reflect.Type, lang, memberType string) ([]Member, []reflect.Type, error) {
definedType := tp.Kind()
if definedType != reflect.Struct {
if definedType == reflect.Ptr {
return GetMembers(list, tp.Elem(), lang, memberType)
}
return nil, nil, fmt.Errorf("type %s not supported", tp.Name())
}
var specTypeList []reflect.Type
var fields []Member
for i := 0; i < tp.NumField(); i++ {
f := tp.Field(i)
if f.Tag.Get("json") == "-" || (f.Name[0] >= 'a' && f.Name[0] <= 'z') {
continue
}
v := reflect.New(f.Type).Interface()
var name string
_, unmar := v.(json.Unmarshaler)
_, mar := v.(json.Marshaler)
if f.Name == "CreatedByCompany" {
fmt.Println(f.Name)
}
if !ExpectedType(f.Type) && (unmar || mar) {
name = "any"
} else {
t := GetTyp(f.Type)
if t.Kind() == reflect.Struct && !(f.Anonymous && f.Tag.Get("json") == "") {
name := t.Name()
_, ok := list.Get(name)
if !ok {
//n := strings.ToLower(t.Name())
if !(unmar || mar) && (!f.Anonymous || (f.Anonymous && f.Tag.Get(
"json") != "")) {
specTypeList = append(specTypeList, t)
}
}
}
if f.Anonymous && f.Tag.Get("json") == "" && t.Name() != "" {
if f.Type.Kind() == reflect.Ptr {
f.Type = f.Type.Elem()
}
mem, list, err := GetMembers(list, f.Type, lang, memberType)
if err != nil {
return nil, nil, err
}
fields = append(fields, mem...)
specTypeList = append(specTypeList, list...)
continue
}
tName, err := GenMemberType(f.Type, lang)
if err != nil {
return nil, nil, err
}
name = tName
}
if name == "" {
name = f.Name
}
m := Member{
Type: name,
Name: f.Name,
Comment: getComment(f.Tag),
JsonName: strings.ReplaceAll(f.Tag.Get("json"), ",omitempty", ""),
FormName: strings.ReplaceAll(f.Tag.Get("form"), ",omitempty", ""),
}
m.Comment = cleanComment(m.Comment)
if m.JsonName == "" {
m.JsonName = m.Name
}
if m.FormName == "" {
m.FormName = m.Name
}
// 如果member中有m中已经存在的,则将field中的删掉
fields = append(fields, m)
}
return fields, specTypeList, nil
}
func ExpectedType(t reflect.Type) bool {
if strings.Contains(t.Name(), "date") {
return true
}
if strings.Contains(t.Name(), "time") {
return true
}
if strings.Contains(t.Name(), "Decimal") {
return true
}
return false
}
func GenMemberType(m reflect.Type, lang string) (string, error) {
switch lang {
case "typescript":
t, err := genTsMemberType(m)
if err != nil {
return "", err
}
return t, nil
default:
return m.Name(), nil
}
}
type Types []reflect.Type
func (a *Types) GetType(typeName string) reflect.Type {
for _, s := range *a {
if s.Name() == typeName {
return s
}
}
return nil
}
func (a *Types) GetTypes(typeNameList []string) Types {
var list Types
for _, s := range typeNameList {
t := a.GetType(s)
if t == nil {
continue
}
list = append(list, t)
}
return list
}