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service.go
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service.go
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package service
import (
"github.com/go-park-mail-ru/2023_1_PracticalDev/internal/boards"
"github.com/go-park-mail-ru/2023_1_PracticalDev/internal/models"
pkgPins "github.com/go-park-mail-ru/2023_1_PracticalDev/internal/pins"
"github.com/go-park-mail-ru/2023_1_PracticalDev/internal/pkg/constants"
pkgErrors "github.com/go-park-mail-ru/2023_1_PracticalDev/internal/pkg/errors"
)
type service struct {
pinServ pkgPins.Service
repo boards.Repository
}
func NewBoardsService(repo boards.Repository, pinServ pkgPins.Service) boards.Service {
return &service{repo: repo, pinServ: pinServ}
}
func (serv *service) Create(params *boards.CreateParams) (models.Board, error) {
if err := validatePrivacy(params.Privacy); err != nil {
return models.Board{}, err
} else if err = validateName(params.Name); err != nil {
return models.Board{}, err
} else if err = validateDescription(params.Description); err != nil {
return models.Board{}, err
}
return serv.repo.Create(params)
}
func (serv *service) List(userId int) ([]models.Board, error) {
return serv.repo.List(userId)
}
func (serv *service) Get(id int) (models.Board, error) {
return serv.repo.Get(id)
}
func (serv *service) FullUpdate(params *boards.FullUpdateParams) (models.Board, error) {
if err := validatePrivacy(params.Privacy); err != nil {
return models.Board{}, err
} else if err = validateName(params.Name); err != nil {
return models.Board{}, err
} else if err = validateDescription(params.Description); err != nil {
return models.Board{}, err
}
return serv.repo.FullUpdate(params)
}
func (serv *service) PartialUpdate(params *boards.PartialUpdateParams) (models.Board, error) {
if params.UpdateName {
if err := validateName(params.Name); err != nil {
return models.Board{}, err
}
}
if params.UpdateDescription {
if err := validateDescription(params.Description); err != nil {
return models.Board{}, err
}
}
if params.UpdatePrivacy {
if err := validatePrivacy(params.Privacy); err != nil {
return models.Board{}, err
}
}
return serv.repo.PartialUpdate(params)
}
func (serv *service) Delete(id int) error {
return serv.repo.Delete(id)
}
func (serv *service) AddPin(boardId, pinId int) error {
exists, err := serv.repo.HasPin(boardId, pinId)
if err != nil {
return err
}
if exists {
return pkgErrors.ErrPinAlreadyAdded
}
return serv.repo.AddPin(boardId, pinId)
}
func (serv *service) PinsList(userId, boardId int, page, limit int) ([]models.Pin, error) {
pins, err := serv.repo.PinsList(boardId, page, limit)
if err != nil {
return pins, err
}
for i := range pins {
err = serv.pinServ.SetLikedField(&pins[i], userId)
if err != nil {
return pins, err
}
}
return pins, err
}
func (serv *service) RemovePin(boardId, pinId int) error {
return serv.repo.RemovePin(boardId, pinId)
}
func (serv *service) CheckWriteAccess(userId, boardId string) (bool, error) {
return serv.repo.CheckWriteAccess(userId, boardId)
}
func (serv *service) CheckReadAccess(userId, boardId string) (bool, error) {
return serv.repo.CheckReadAccess(userId, boardId)
}
func validateName(name string) error {
if len(name) > constants.MaxBoardNameLen {
return pkgErrors.ErrTooLongBoardName
}
return nil
}
func validateDescription(name string) error {
if len(name) > constants.MaxBoardDescriptionLen {
return pkgErrors.ErrTooLongBoardDescription
}
return nil
}
func validatePrivacy(privacy string) error {
if privacy != "secret" && privacy != "public" {
return pkgErrors.ErrInvalidPrivacy
}
return nil
}