54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
// monorepo/cloud/backend/internal/maplefile/usecase/collection/find_descendants.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 FindDescendantsUseCase interface {
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Execute(ctx context.Context, collectionID gocql.UUID) ([]*dom_collection.Collection, error)
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}
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type findDescendantsUseCaseImpl 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 NewFindDescendantsUseCase(
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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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) FindDescendantsUseCase {
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logger = logger.Named("FindDescendantsUseCase")
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return &findDescendantsUseCaseImpl{config, logger, repo}
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}
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func (uc *findDescendantsUseCaseImpl) Execute(ctx context.Context, collectionID 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 collectionID.String() == "" {
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e["collection_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 find descendants",
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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: Find descendants.
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//
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return uc.repo.FindDescendants(ctx, collectionID)
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}
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