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api/tribechange/repository/pg_repository.go
Kichiyaki c18807c2f5 [WIP] - refactor limit, sort, offset
- update the ServerStats/Tribe/TribeChange/TribeHistory repository and usecase
2020-11-21 12:01:16 +01:00

69 lines
1.7 KiB
Go

package repository
import (
"context"
"fmt"
"strings"
"github.com/go-pg/pg/v10"
"github.com/pkg/errors"
"github.com/tribalwarshelp/api/tribechange"
"github.com/tribalwarshelp/api/utils"
"github.com/tribalwarshelp/shared/models"
)
type pgRepository struct {
*pg.DB
}
func NewPGRepository(db *pg.DB) tribechange.Repository {
return &pgRepository{db}
}
func (repo *pgRepository) Fetch(ctx context.Context, cfg tribechange.FetchConfig) ([]*models.TribeChange, int, error) {
var err error
total := 0
data := []*models.TribeChange{}
query := repo.
WithParam("SERVER", pg.Safe(cfg.Server)).
Model(&data).
Context(ctx).
Order(cfg.Sort...).
Limit(cfg.Limit).
Offset(cfg.Offset)
playerRequired := utils.FindStringWithPrefix(cfg.Sort, "player.") != ""
oldTribeRequired := utils.FindStringWithPrefix(cfg.Sort, "old_tribe.") != ""
newTribeRequired := utils.FindStringWithPrefix(cfg.Sort, "new_tribe.") != ""
if cfg.Filter != nil {
query = query.
WhereStruct(cfg.Filter)
if cfg.Filter.Or != nil {
query = query.WhereGroup(appendTribeChangeFilterOr(cfg.Filter.Or))
}
}
if playerRequired {
query = query.Relation("Village._")
}
if oldTribeRequired {
query = query.Join("LEFT JOIN ?SERVER.tribes AS old_tribe ON old_tribe.id = ennoblement.old_tribe_id")
}
if newTribeRequired {
query = query.Join("LEFT JOIN ?SERVER.tribes AS new_tribe ON new_tribe.id = ennoblement.new_tribe_id")
}
if cfg.Count {
total, err = query.SelectAndCount()
} else {
err = query.Select()
}
if err != nil && err != pg.ErrNoRows {
if strings.Contains(err.Error(), `relation "`+cfg.Server) {
return nil, 0, fmt.Errorf("Server not found")
}
return nil, 0, errors.Wrap(err, "Internal server error")
}
return data, total, nil
}