stufflog3/usecases/items/service.go

package items

import (
	"context"
	"git.aiterp.net/stufflog3/stufflog3/models"
	"git.aiterp.net/stufflog3/stufflog3/usecases/scopes"
	"git.aiterp.net/stufflog3/stufflog3/usecases/stats"
)

type Service struct {
	Scopes     *scopes.Service
	Stats      *stats.Service
	Repository Repository
}

func (s *Service) ListScoped(ctx context.Context, filter models.ItemFilter) ([]Result, error) {
	sc := s.Scopes.Context(ctx)
	if sc == nil {
		return nil, models.PermissionDeniedError{}
	}

	if filter.ScopeIDs != nil {
		userScopes, err := sc.Scopes(ctx)
		if err != nil {
			return nil, err
		}

		for _, id := range filter.ScopeIDs {
			found := false
			for _, scope := range userScopes {
				if scope.ID == id {
					found = true
					break
				}
			}

			if !found {
				return nil, models.ForbiddenError("Scope you do not belong to found in filter scope IDs.")
			}
		}
	} else {
		filter.ScopeIDs = []int{sc.ID}
	}

	items, err := s.Repository.Fetch(ctx, filter)
	if err != nil {
		return nil, err
	}

	progresses, err := s.Repository.ListProgress(ctx, items...)
	if err != nil {
		return nil, err
	}

	scopeStats, err := sc.Stats(ctx)
	if err != nil {
		return nil, err
	}

	res := make([]Result, 0, len(items))
	for _, item := range items {
		res = append(res, generateResult(item, progresses, scopeStats))
	}

	return res, nil
}