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api/tribe/repository/pg_repository.go

57 lines
1.2 KiB
Go

package repository
import (
"context"
"fmt"
"strings"
"github.com/go-pg/pg/v10"
"github.com/pkg/errors"
"github.com/tribalwarshelp/api/tribe"
"github.com/tribalwarshelp/shared/models"
)
type pgRepository struct {
*pg.DB
}
func NewPGRepository(db *pg.DB) tribe.Repository {
return &pgRepository{db}
}
func (repo *pgRepository) Fetch(ctx context.Context, cfg tribe.FetchConfig) ([]*models.Tribe, int, error) {
var err error
data := []*models.Tribe{}
total := 0
query := repo.WithParam("SERVER", pg.Safe(cfg.Server)).Model(&data).Context(ctx)
if cfg.Filter != nil {
query = query.
WhereStruct(cfg.Filter).
Limit(cfg.Filter.Limit).
Offset(cfg.Filter.Offset)
if cfg.Filter.Sort != "" {
query = query.Order(cfg.Filter.Sort)
}
if cfg.Filter.Exists != nil {
query = query.Where("exist = ?", *cfg.Filter.Exists)
}
}
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
}