103 lines
2.4 KiB
Go
103 lines
2.4 KiB
Go
package repository
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import (
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"context"
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"fmt"
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"strings"
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errorutils "github.com/zdam-egzamin-zawodowy/backend/pkg/utils/error"
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"github.com/go-pg/pg/v10"
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"github.com/zdam-egzamin-zawodowy/backend/internal/models"
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"github.com/zdam-egzamin-zawodowy/backend/internal/user"
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)
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type pgRepository struct {
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*pg.DB
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}
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type PGRepositoryConfig struct {
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DB *pg.DB
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}
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func NewPGRepository(cfg *PGRepositoryConfig) (user.Repository, error) {
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if cfg == nil || cfg.DB == nil {
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return nil, fmt.Errorf("user/pg_repository: *pg.DB is required")
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}
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return &pgRepository{
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cfg.DB,
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}, nil
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}
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func (repo *pgRepository) Store(ctx context.Context, input *models.UserInput) (*models.User, error) {
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item := input.ToUser()
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if _, err := repo.
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Model(item).
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Context(ctx).
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Returning("*").
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Insert(); err != nil {
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if strings.Contains(err.Error(), "email") {
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return nil, errorutils.Wrap(err, messageEmailIsAlreadyTaken)
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}
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return nil, errorutils.Wrap(err, messageFailedToSaveModel)
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}
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return item, nil
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}
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func (repo *pgRepository) UpdateMany(ctx context.Context, f *models.UserFilter, input *models.UserInput) ([]*models.User, error) {
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if _, err := repo.
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Model(&models.User{}).
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Context(ctx).
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Apply(input.ApplyUpdate).
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Apply(f.Where).
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Update(); err != nil && err != pg.ErrNoRows {
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if strings.Contains(err.Error(), "email") {
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return nil, errorutils.Wrap(err, messageEmailIsAlreadyTaken)
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}
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return nil, errorutils.Wrap(err, messageFailedToSaveModel)
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}
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items, _, err := repo.Fetch(ctx, &user.FetchConfig{
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Count: false,
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Filter: f,
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})
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if err != nil {
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return nil, err
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}
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return items, nil
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}
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func (repo *pgRepository) Delete(ctx context.Context, f *models.UserFilter) ([]*models.User, error) {
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items := []*models.User{}
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if _, err := repo.
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Model(&items).
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Context(ctx).
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Returning("*").
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Apply(f.Where).
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Delete(); err != nil && err != pg.ErrNoRows {
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return nil, errorutils.Wrap(err, messageFailedToDeleteModel)
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}
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return items, nil
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}
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func (repo *pgRepository) Fetch(ctx context.Context, cfg *user.FetchConfig) ([]*models.User, int, error) {
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var err error
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items := []*models.User{}
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total := 0
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query := repo.
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Model(&items).
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Context(ctx).
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Limit(cfg.Limit).
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Offset(cfg.Offset).
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Apply(cfg.Filter.Where)
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if cfg.Count {
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total, err = query.SelectAndCount()
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} else {
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err = query.Select()
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}
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if err != nil && err != pg.ErrNoRows {
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return nil, 0, errorutils.Wrap(err, messageFailedToFetchModel)
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}
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return items, total, nil
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}
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