39 lines
808 B
Go
39 lines
808 B
Go
package domain
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import (
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"context"
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"errors"
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"time"
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)
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type List struct {
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ID string `json:"id"`
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Name string `json:"name"`
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CreatedAt time.Time `json:"created_at"`
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ModifiedAt time.Time `json:"modified_at"`
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}
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type ListRepository interface {
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CreateList(ctx context.Context, name string, userIDs []string) (*List, error)
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}
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type ListService struct {
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repo ListRepository
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}
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func NewListService(r ListRepository) *ListService {
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return &ListService{repo: r}
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}
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func (s *ListService) Create(ctx context.Context, name string, userIDs []string) (*List, error) {
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if len(userIDs) == 0 {
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return nil, errors.New("users must have at least one associated user")
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}
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if name == "" {
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return nil, errors.New("list name must not be empty")
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}
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return s.repo.CreateList(ctx, name, userIDs)
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}
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