111 lines
2.5 KiB
Go
111 lines
2.5 KiB
Go
package repository
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import (
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"context"
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"github.com/Kichiyaki/gopgutil/v10"
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"github.com/pkg/errors"
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"strings"
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"gitea.dwysokinski.me/zdam-egzamin-zawodowy/backend/util/errorutil"
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"github.com/go-pg/pg/v10"
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"gitea.dwysokinski.me/zdam-egzamin-zawodowy/backend/internal/model"
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"gitea.dwysokinski.me/zdam-egzamin-zawodowy/backend/internal/user"
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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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type PGRepository struct {
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*pg.DB
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}
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var _ user.Repository = &PGRepository{}
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func NewPGRepository(cfg *PGRepositoryConfig) (*PGRepository, error) {
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if cfg == nil || cfg.DB == nil {
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return nil, errors.New("cfg.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 *model.UserInput) (*model.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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return nil, handleInsertAndUpdateError(err)
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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 *model.UserFilter, input *model.UserInput) ([]*model.User, error) {
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if _, err := repo.
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Model(&model.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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return nil, handleInsertAndUpdateError(err)
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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 *model.UserFilter) ([]*model.User, error) {
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items := make([]*model.User, 0)
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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, errorutil.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) ([]*model.User, int, error) {
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var err error
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items := make([]*model.User, 0)
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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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Apply(gopgutil.OrderAppender{
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Orders: cfg.Sort,
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}.Apply)
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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, errorutil.Wrap(err, messageFailedToFetchModel)
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}
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return items, total, nil
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}
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func handleInsertAndUpdateError(err error) error {
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if strings.Contains(err.Error(), "email") {
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return errorutil.Wrap(err, messageEmailIsAlreadyTaken)
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}
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return errorutil.Wrap(err, messageFailedToSaveModel)
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}
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