95 lines
2.3 KiB
Go
95 lines
2.3 KiB
Go
package adapter
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import (
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"bytes"
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"context"
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"encoding/gob"
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"errors"
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"fmt"
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"time"
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"gitea.dwysokinski.me/twhelp/dcbot/internal/domain"
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"github.com/redis/go-redis/v9"
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)
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type VillageRedis struct {
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client redis.UniversalClient
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}
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func NewVillageRedis(client redis.UniversalClient) *VillageRedis {
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return &VillageRedis{client: client}
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}
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const translateVillageCoordsParamsExp = 72 * time.Hour
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type translateVillageCoordsParamsRedis struct {
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VersionCode string
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ServerKey string
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Coords []string
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PerPage int32
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MaxPage int32
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SHA256 string
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}
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func (v *VillageRedis) SaveTranslateCoordsParams(ctx context.Context, params domain.TranslateVillageCoordsParams) error {
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buf := bytes.NewBuffer(nil)
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if err := gob.NewEncoder(buf).Encode(translateVillageCoordsParamsRedis{
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VersionCode: params.VersionCode(),
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ServerKey: params.ServerKey(),
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Coords: params.Coords(),
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PerPage: params.PerPage(),
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MaxPage: params.MaxPage(),
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SHA256: params.SHA256(),
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}); err != nil {
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return err
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}
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if err := v.client.Set(
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ctx,
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v.buildTranslateCoordsParamsKey(params.SHA256()),
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buf.Bytes(),
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translateVillageCoordsParamsExp,
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).Err(); err != nil {
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return err
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}
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return nil
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}
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func (v *VillageRedis) GetTranslateCoordsParams(ctx context.Context, sha256Hash string) (domain.TranslateVillageCoordsParams, error) {
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b, err := v.client.Get(ctx, v.buildTranslateCoordsParamsKey(sha256Hash)).Bytes()
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if errors.Is(err, redis.Nil) {
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return domain.TranslateVillageCoordsParams{}, domain.TranslateVillageCoordsParamsNotFoundError{
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SHA256: sha256Hash,
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}
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}
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if err != nil {
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return domain.TranslateVillageCoordsParams{}, err
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}
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var params translateVillageCoordsParamsRedis
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if err = gob.NewDecoder(bytes.NewReader(b)).Decode(¶ms); err != nil {
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return domain.TranslateVillageCoordsParams{}, err
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}
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res, err := domain.UnmarshalTranslateVillageCoordsParamsFromDatabase(
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params.VersionCode,
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params.ServerKey,
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params.Coords,
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params.PerPage,
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params.MaxPage,
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params.SHA256,
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)
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if err != nil {
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return domain.TranslateVillageCoordsParams{}, fmt.Errorf("couldn't unmarshal TranslateVillageCoordsParams from database: %w", err)
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}
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return res, nil
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}
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func (v *VillageRedis) buildTranslateCoordsParamsKey(sha256Hash string) string {
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return "translate_village_coords_params_" + sha256Hash
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}
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