68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package user
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import (
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"context"
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"encoding/json"
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"errors"
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"go.uber.org/zap"
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"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
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dom_user "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/domain/user"
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"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/httperror"
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"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/storage/cache/cassandracache"
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)
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type UserGetBySessionIDUseCase interface {
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Execute(ctx context.Context, sessionID string) (*dom_user.User, error)
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}
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type userGetBySessionIDUseCaseImpl struct {
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config *config.Configuration
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logger *zap.Logger
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cache cassandracache.CassandraCacher
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}
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func NewUserGetBySessionIDUseCase(config *config.Configuration, logger *zap.Logger, ca cassandracache.CassandraCacher) UserGetBySessionIDUseCase {
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logger = logger.Named("UserGetBySessionIDUseCase")
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return &userGetBySessionIDUseCaseImpl{config, logger, ca}
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}
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func (uc *userGetBySessionIDUseCaseImpl) Execute(ctx context.Context, sessionID string) (*dom_user.User, error) {
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//
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// STEP 1: Validation.
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//
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e := make(map[string]string)
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if sessionID == "" {
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e["session_id"] = "missing value"
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} else {
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//TODO: IMPL.
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}
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if len(e) != 0 {
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uc.logger.Warn("Validation failed for upsert",
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zap.Any("error", e))
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return nil, httperror.NewForBadRequest(&e)
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}
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//
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// STEP 2:
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//
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userBytes, err := uc.cache.Get(ctx, sessionID)
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if err != nil {
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return nil, err
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}
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if userBytes == nil {
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uc.logger.Warn("record not found")
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return nil, errors.New("record not found")
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}
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var user dom_user.User
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err = json.Unmarshal(userBytes, &user)
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if err != nil {
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uc.logger.Error("unmarshalling failed", zap.Any("err", err))
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return nil, err
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}
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return &user, nil
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}
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