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api/server/usecase/server_usecase.go

50 lines
1.1 KiB
Go

package usecase
import (
"context"
"github.com/pkg/errors"
"github.com/tribalwarshelp/shared/tw/twmodel"
"github.com/tribalwarshelp/api/middleware"
"github.com/tribalwarshelp/api/server"
)
type usecase struct {
repo server.Repository
}
func New(repo server.Repository) server.Usecase {
return &usecase{repo}
}
func (ucase *usecase) Fetch(ctx context.Context, cfg server.FetchConfig) ([]*twmodel.Server, int, error) {
if cfg.Filter == nil {
cfg.Filter = &twmodel.ServerFilter{}
}
if !middleware.CanExceedLimit(ctx) && (cfg.Limit > server.FetchLimit || cfg.Limit <= 0) {
cfg.Limit = server.FetchLimit
}
if len(cfg.Sort) > server.MaxOrders {
cfg.Sort = cfg.Sort[0:server.MaxOrders]
}
return ucase.repo.Fetch(ctx, cfg)
}
func (ucase *usecase) GetByKey(ctx context.Context, key string) (*twmodel.Server, error) {
servers, _, err := ucase.repo.Fetch(ctx, server.FetchConfig{
Filter: &twmodel.ServerFilter{
Key: []string{key},
},
Limit: 1,
Count: false,
Select: true,
})
if err != nil {
return nil, err
}
if len(servers) == 0 {
return nil, errors.Errorf("Server (key: %s) not found.", key)
}
return servers[0], nil
}