go-common/vendor/github.com/ipipdotnet/ipdb-go/district.go
2019-04-22 18:49:16 +08:00

119 lines
2.1 KiB
Go

package ipdb
import (
"reflect"
"time"
"os"
)
type DistrictInfo struct {
CountryName string `json:"country_name"`
RegionName string `json:"region_name"`
CityName string `json:"city_name"`
DistrictName string `json:"district_name"`
ChinaAdminCode string `json:"china_admin_code"`
CoveringRadius string `json:"covering_radius"`
Latitude string `json:"latitude"`
Longitude string `json:"longitude"`
}
type District struct {
reader *reader
}
func NewDistrict(name string) (*District, error) {
r, e := newReader(name, &DistrictInfo{})
if e != nil {
return nil, e
}
return &District{
reader: r,
}, nil
}
func (db *District) Reload(name string) error {
_, err := os.Stat(name)
if err != nil {
return err
}
reader, err := newReader(name, &DistrictInfo{})
if err != nil {
return err
}
db.reader = reader
return nil
}
func (db *District) Find(addr, language string) ([]string, error) {
return db.reader.find1(addr, language)
}
func (db *District) FindMap(addr, language string) (map[string]string, error) {
data, err := db.reader.find1(addr, language)
if err != nil {
return nil, err
}
info := make(map[string]string, len(db.reader.meta.Fields))
for k, v := range data {
info[db.reader.meta.Fields[k]] = v
}
return info, nil
}
func (db *District) FindInfo(addr, language string) (*DistrictInfo, error) {
data, err := db.reader.FindMap(addr, language)
if err != nil {
return nil, err
}
info := &DistrictInfo{}
for k, v := range data {
sv := reflect.ValueOf(info).Elem()
sfv := sv.FieldByName(db.reader.refType[k])
if !sfv.IsValid() {
continue
}
if !sfv.CanSet() {
continue
}
sft := sfv.Type()
fv := reflect.ValueOf(v)
if sft == fv.Type() {
sfv.Set(fv)
}
}
return info, nil
}
func (db *District) IsIPv4() bool {
return db.reader.IsIPv4Support()
}
func (db *District) IsIPv6() bool {
return db.reader.IsIPv6Support()
}
func (db *District) Languages() []string {
return db.reader.Languages()
}
func (db *District) Fields() []string {
return db.reader.meta.Fields
}
func (db *District) BuildTime() time.Time {
return db.reader.Build()
}