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dcbot-old/group/repository/group_pg_repo.go

110 lines
2.2 KiB
Go

package repository
import (
"context"
"github.com/tribalwarshelp/dcbot/group"
"github.com/tribalwarshelp/dcbot/models"
"github.com/go-pg/pg/v10"
"github.com/go-pg/pg/v10/orm"
"github.com/pkg/errors"
)
type pgRepo struct {
*pg.DB
}
func NewPgRepo(db *pg.DB) (group.Repository, error) {
if err := db.CreateTable((*models.Group)(nil), &orm.CreateTableOptions{
IfNotExists: true,
FKConstraints: true,
}); err != nil {
return nil, errors.Wrap(err, "Cannot create 'groups' table")
}
return &pgRepo{db}, nil
}
func (repo *pgRepo) Store(ctx context.Context, group *models.Group) error {
if _, err := repo.Model(group).Returning("*").Context(ctx).Insert(); err != nil {
return err
}
return nil
}
func (repo *pgRepo) StoreMany(ctx context.Context, groups []*models.Group) error {
if _, err := repo.Model(&groups).Returning("*").Context(ctx).Insert(); err != nil {
return err
}
return nil
}
func (repo *pgRepo) Update(ctx context.Context, group *models.Group) error {
if _, err := repo.
Model(group).
WherePK().
Returning("*").
Context(ctx).
Update(); err != nil {
return err
}
return nil
}
func (repo *pgRepo) GetByID(ctx context.Context, id int) (*models.Group, error) {
group := &models.Group{
ID: id,
}
if err := repo.
Model(group).
WherePK().
Returning("*").
Relation("Observations").
Context(ctx).
Select(); err != nil {
return nil, err
}
return group, nil
}
func (repo *pgRepo) Fetch(ctx context.Context, f *models.GroupFilter) ([]*models.Group, int, error) {
var err error
data := []*models.Group{}
query := repo.Model(&data).Relation("Observations").Context(ctx)
if f != nil {
query = query.
WhereStruct(f).
Limit(f.Limit).
Offset(f.Offset)
if len(f.Order) > 0 {
query = query.Order(f.Order...)
}
}
total, err := query.SelectAndCount()
if err != nil && err != pg.ErrNoRows {
return nil, 0, err
}
return data, total, nil
}
func (repo *pgRepo) Delete(ctx context.Context, f *models.GroupFilter) ([]*models.Group, error) {
data := []*models.Group{}
query := repo.Model(&data).Context(ctx)
if f != nil {
query = query.WhereStruct(f)
}
_, err := query.
Returning("*").
Delete()
if err != nil && err != pg.ErrNoRows {
return nil, err
}
return data, nil
}