func scanAlternateNames(
db *bolt.DB, filename string, locales []string,
) (int, error) {
file, err := os.Open(filename)
if err != nil {
return 0, err
}
defer file.Close()
reader := bufio.NewReader(file)
scanner := bufio.NewScanner(reader)
cityNamesCount := 0
countriesTranslations := make(map[int]map[string]string)
err = db.Update(func(tx *bolt.Tx) error {
cityNamesBucket := tx.Bucket(ds.CityNamesBucketName)
countriesBucket := tx.Bucket(ds.CountriesBucketName)
for scanner.Scan() {
nameData := strings.Split(scanner.Text(), "\t")
if isSupportedLocale(nameData[2], locales) || nameData[4] == "1" {
city, _ := ds.FindCity(db, nameData[1], false)
if city != nil {
addCityToIndex(
cityNamesBucket, strconv.Itoa(city.ID), nameData[3],
nameData[2], city.Population,
)
cityNamesCount++
} else if nameData[2] != "en" {
country, _ := ds.FindCountry(db, nameData[1])
if country != nil {
if countriesTranslations[country.ID] == nil {
countriesTranslations[country.ID] = make(map[string]string)
}
if countriesTranslations[country.ID][nameData[2]] == "" {
countriesTranslations[country.ID][nameData[2]] = nameData[3]
}
}
}
}
}
for id, translations := range countriesTranslations {
var values []string
for locale, name := range translations {
values = append(values, locale+"|"+name)
}
addTranslationsToCountry(countriesBucket, id, values)
}
return err
})
return cityNamesCount, err
}
func MakeCityEndpoint(db *bolt.DB, options *config.Options) func(*gin.Context) {
return func(c *gin.Context) {
city, err := ds.FindCity(db, c.Param("id"), true)
if err != nil {
c.JSON(500, nil)
} else if city == nil {
c.JSON(404, nil)
} else {
c.JSON(200, city.ForSerialization(c.Request.URL, options))
}
}
}