services/references/usecase/storage/postgres/repository.go
package postgres
import (
"context"
sqb "github.com/Masterminds/squirrel"
_ "github.com/jackc/pgx/v4/stdlib"
"github.com/jmoiron/sqlx"
"github.com/pkg/errors"
"go.kicksware.com/api/shared/config"
"go.kicksware.com/api/shared/util"
"go.kicksware.com/api/shared/core/meta"
"go.kicksware.com/api/services/references/core/model"
"go.kicksware.com/api/services/references/core/repo"
"go.kicksware.com/api/services/references/usecase/business"
)
type repository struct {
db *sqlx.DB
table string
}
func NewPostgresRepository(config config.DataStoreConfig) (repo.SneakerReferenceRepository, error) {
db, err := newPostgresClient(config.URL)
if err != nil {
return nil, errors.Wrap(err, "repository.NewPostgresRepository")
}
repo := &repository{
db: db,
table: config.Collection,
}
return repo, nil
}
func newPostgresClient(url string) (*sqlx.DB, error) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
db, err := sqlx.ConnectContext(ctx,"pgx", url)
if err != nil {
return nil, errors.Wrap(err, "repository.newPostgresClient")
}
if err = db.PingContext(ctx); err != nil {
return nil, errors.Wrap(err, "repository.newPostgresClient")
}
return db, nil
}
func (r *repository) FetchOne(code string, params *meta.RequestParams) (*model.SneakerReference, error) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
sneakerReference := &model.SneakerReference{}
cmd, args, err := sqb.Select("*").From(r.table).
Where(sqb.Eq{"UniqueId":code}).PlaceholderFormat(sqb.Dollar).ToSql()
if err != nil {
return nil, errors.Wrap(err, "repository.SneakerReference.FetchOne")
}
if err = r.db.GetContext(ctx, sneakerReference, cmd, args); err != nil {
return nil, errors.Wrap(err, "repository.SneakerReference.FetchOne")
}
return sneakerReference, nil
}
func (r *repository) Fetch(codes []string, params *meta.RequestParams) ([]*model.SneakerReference, error) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
sneakerReferences := make([]*model.SneakerReference, 0)
cmd, args, err := sqb.Select("*").From(r.table).
Where(sqb.Eq{"UniqueId":codes}).PlaceholderFormat(sqb.Dollar).ToSql()
if err != nil {
return nil, errors.Wrap(err, "repository.SneakerReference.Fetch")
}
if err = r.db.SelectContext(ctx, &sneakerReferences, cmd, args); err != nil {
return nil, errors.Wrap(err, "repository.SneakerReference.Fetch")
}
if sneakerReferences == nil || len(sneakerReferences) == 0 {
return nil, errors.Wrap(business.ErrReferenceNotFound, "repository.SneakerReference.Fetch")
}
return sneakerReferences, nil
}
func (r *repository) FetchAll(params *meta.RequestParams) ([]*model.SneakerReference, error) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
sneakerReferences := make([]*model.SneakerReference, 0)
cmd, args, err := sqb.Select("*").From(r.table).PlaceholderFormat(sqb.Dollar).ToSql(); if err != nil {
return nil, errors.Wrap(err, "repository.SneakerReference.FetchAll")
}
if err = r.db.SelectContext(ctx, &sneakerReferences, cmd, args); err != nil {
return nil, errors.Wrap(err, "repository.SneakerReference.FetchAll")
}
if sneakerReferences == nil || len(sneakerReferences) == 0 {
return nil, errors.Wrap(business.ErrReferenceNotFound, "repository.SneakerReference.FetchAll")
}
return sneakerReferences, nil
}
func (r *repository) FetchQuery(query meta.RequestQuery, params *meta.RequestParams) ([]*model.SneakerReference, error) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
sneakerReferences := make([]*model.SneakerReference, 0)
where, err := query.ToSql(); if err != nil {
return nil, err
}
cmd, args, err := sqb.Select("*").From(r.table).
Where(where).PlaceholderFormat(sqb.Dollar).ToSql()
if err != nil {
return nil, errors.Wrap(err, "repository.SneakerReference.FetchQuery")
}
if err = r.db.SelectContext(ctx, &sneakerReferences, cmd, args); err != nil {
return nil, errors.Wrap(err, "repository.SneakerReference.FetchQuery")
}
if sneakerReferences == nil || len(sneakerReferences) == 0 {
return nil, errors.Wrap(business.ErrReferenceNotFound, "repository.SneakerReference.FetchQuery")
}
return sneakerReferences, nil
}
func (r *repository) StoreOne(sneakerReference *model.SneakerReference) error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
cmd, args, err := sqb.Insert(r.table).SetMap(util.ToMap(sneakerReference)).PlaceholderFormat(sqb.Dollar).ToSql()
if err != nil {
return errors.Wrap(err, "repository.SneakerReference.Store")
}
if _, err := r.db.ExecContext(ctx, cmd, args); err != nil {
return errors.Wrap(err, "repository.SneakerReference.Store")
}
return nil
}
func (r *repository) Store(sneakerReferences []*model.SneakerReference) error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
cmd, args, err := sqb.Insert(r.table).Values(sneakerReferences).PlaceholderFormat(sqb.Dollar).ToSql()
if err != nil {
return errors.Wrap(err, "repository.SneakerReference.Store")
}
if _, err := r.db.ExecContext(ctx, cmd, args); err != nil {
return errors.Wrap(err, "repository.SneakerReference.Store")
}
return nil
}
func (r *repository) Modify(sneakerReference *model.SneakerReference) error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
cmd, args, err := sqb.Update(r.table).SetMap(util.ToMap(sneakerReference)).
Where(sqb.Eq{"UniqueId": sneakerReference.UniqueId}).PlaceholderFormat(sqb.Dollar).ToSql()
if err != nil {
return errors.Wrap(err, "repository.SneakerReference.Modify")
}
if _, err := r.db.ExecContext(ctx, cmd, args); err != nil {
return errors.Wrap(err, "repository.SneakerReference.Modify")
}
return nil
}
func (r *repository) Count(query meta.RequestQuery, params *meta.RequestParams) (count int, err error) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
where, err := query.ToSql(); if err != nil {
return 0, err
}
cmd, args, err := sqb.Select("COUNT(*)").From(r.table).
Where(where).PlaceholderFormat(sqb.Dollar).ToSql()
if err != nil {
return 0, errors.Wrap(err, "repository.SneakerReference.FetchQuery")
}
if err = r.db.SelectContext(ctx, &count, cmd, args); err != nil {
return 0, errors.Wrap(err, "repository.SneakerReference.FetchQuery")
}
return
}
func (r *repository) CountAll() (count int, err error) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
cmd, args, err := sqb.Select("COUNT(*)").From(r.table).
PlaceholderFormat(sqb.Dollar).ToSql()
if err != nil {
return 0, errors.Wrap(err, "repository.SneakerReference.FetchQuery")
}
if err = r.db.SelectContext(ctx, &count, cmd, args); err != nil {
return 0, errors.Wrap(err, "repository.SneakerReference.FetchQuery")
}
return
}