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api/playerhistory/usecase/playerhistory_usecase.go
Kichiyaki 05efc69b31 [WIP] - refactor limit, sort, offset
- update the Server/PlayerHistory repository and usecase
2020-11-21 10:50:52 +01:00

40 lines
995 B
Go

package usecase
import (
"context"
"github.com/tribalwarshelp/api/middleware"
"github.com/tribalwarshelp/api/playerhistory"
"github.com/tribalwarshelp/api/utils"
"github.com/tribalwarshelp/shared/models"
)
type usecase struct {
repo playerhistory.Repository
}
func New(repo playerhistory.Repository) playerhistory.Usecase {
return &usecase{repo}
}
func (ucase *usecase) Fetch(ctx context.Context, cfg playerhistory.FetchConfig) ([]*models.PlayerHistory, int, error) {
if cfg.Filter == nil {
cfg.Filter = &models.PlayerHistoryFilter{}
}
if cfg.Filter.Limit > 0 {
cfg.Limit = cfg.Filter.Limit
}
if cfg.Filter.Offset > 0 {
cfg.Offset = cfg.Filter.Offset
}
if cfg.Filter.Sort != "" {
cfg.Sort = append(cfg.Sort, cfg.Filter.Sort)
}
if !middleware.CanExceedLimit(ctx) && (cfg.Limit > playerhistory.PaginationLimit || cfg.Limit <= 0) {
cfg.Limit = playerhistory.PaginationLimit
}
cfg.Sort = utils.SanitizeSortExpressions(cfg.Sort)
return ucase.repo.Fetch(ctx, cfg)
}