76 lines
2.5 KiB
Go
76 lines
2.5 KiB
Go
package help
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import (
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"context"
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"telesrv/internal/domain"
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"telesrv/internal/store"
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)
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const tdesktopClient = "tdesktop"
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const tdesktopDefaultAppConfig = `{"chat_read_mark_expire_period":604800,"chat_read_mark_size_threshold":50,"pm_read_date_expire_period":604800,"quote_length_max":1024,"telegram_antispam_group_size_min":200,"telegram_antispam_user_id":"5434988373","reactions_default":{"_":"reactionEmoji","emoticon":"👍"},"reactions_uniq_max":11,"reactions_user_max_default":1,"reactions_in_chat_max":3}`
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// Service 提供客户端启动配置与国家区号目录。
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type Service struct {
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appConfigs store.AppConfigStore
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countries store.CountryStore
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}
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// NewService 创建 help 服务。
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func NewService(appConfigs store.AppConfigStore, countries store.CountryStore) *Service {
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return &Service{appConfigs: appConfigs, countries: countries}
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}
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// GetAppConfig 返回 TDesktop app config，hash 命中时返回 notModified。
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func (s *Service) GetAppConfig(ctx context.Context, hash int) (domain.AppConfig, bool, error) {
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if s == nil || s.appConfigs == nil {
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cfg := domain.AppConfig{Client: tdesktopClient, Hash: 5, JSON: []byte(tdesktopDefaultAppConfig)}
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return cfg, hash == cfg.Hash, nil
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}
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cfg, found, err := s.appConfigs.GetAppConfig(ctx, tdesktopClient)
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if err != nil {
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return domain.AppConfig{}, false, err
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}
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if !found {
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cfg = domain.AppConfig{Client: tdesktopClient, Hash: 5, JSON: []byte(tdesktopDefaultAppConfig)}
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}
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return cfg, hash != 0 && hash == cfg.Hash, nil
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}
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// GetCountries 返回国家区号目录，hash 命中时返回 notModified。
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func (s *Service) GetCountries(ctx context.Context, langCode string, hash int) (domain.CountriesList, bool, error) {
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if s == nil || s.countries == nil {
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list := defaultCountries()
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return list, hash != 0 && hash == list.Hash, nil
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}
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list, err := s.countries.ListCountries(ctx, langCode)
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if err != nil {
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return domain.CountriesList{}, false, err
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}
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if len(list.Countries) == 0 {
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list = defaultCountries()
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}
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return list, hash != 0 && hash == list.Hash, nil
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}
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func defaultCountries() domain.CountriesList {
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return domain.CountriesList{
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Hash: 1,
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Countries: []domain.Country{
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{
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ISO2: "US",
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DefaultName: "United States",
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CountryCodes: []domain.CountryCode{
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{CountryCode: "1", Prefixes: []string{"1"}},
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},
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},
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{
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ISO2: "CN",
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DefaultName: "China",
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CountryCodes: []domain.CountryCode{
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{CountryCode: "86", Prefixes: []string{"86"}},
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},
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},
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},
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}
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}
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