65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
// monorepo/cloud/backend/internal/maplefile/usecase/collection/get.go
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package collection
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import (
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"context"
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"go.uber.org/zap"
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"github.com/gocql/gocql"
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"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
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dom_collection "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/domain/collection"
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"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/httperror"
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)
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type GetCollectionUseCase interface {
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Execute(ctx context.Context, id gocql.UUID) (*dom_collection.Collection, error)
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}
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type getCollectionUseCaseImpl struct {
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config *config.Configuration
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logger *zap.Logger
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repo dom_collection.CollectionRepository
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}
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func NewGetCollectionUseCase(
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config *config.Configuration,
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logger *zap.Logger,
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repo dom_collection.CollectionRepository,
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) GetCollectionUseCase {
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logger = logger.Named("GetCollectionUseCase")
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return &getCollectionUseCaseImpl{config, logger, repo}
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}
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func (uc *getCollectionUseCaseImpl) Execute(ctx context.Context, id gocql.UUID) (*dom_collection.Collection, 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 id.String() == "" {
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e["id"] = "Collection ID is required"
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}
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if len(e) != 0 {
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uc.logger.Warn("Failed validating collection retrieval",
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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: Get from database.
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//
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collection, err := uc.repo.Get(ctx, id)
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if err != nil {
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return nil, err
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}
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if collection == nil {
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uc.logger.Debug("Collection not found",
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zap.Any("id", id))
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return nil, httperror.NewForNotFoundWithSingleField("message", "Collection not found")
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}
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return collection, nil
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}
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