175 lines
4.6 KiB
Go
175 lines
4.6 KiB
Go
package bundb
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import (
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"context"
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"database/sql"
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"errors"
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"fmt"
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"time"
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"gitea.dwysokinski.me/twhelp/core/internal/bundb/internal/model"
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"gitea.dwysokinski.me/twhelp/core/internal/domain"
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"github.com/uptrace/bun"
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)
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var (
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playerSnapshotOrders = []string{"ps.server_key ASC"}
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)
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type PlayerSnapshot struct {
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db *bun.DB
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}
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func NewPlayerSnapshot(db *bun.DB) *PlayerSnapshot {
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return &PlayerSnapshot{db: db}
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}
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func (p *PlayerSnapshot) Create(ctx context.Context, params ...domain.CreatePlayerSnapshotParams) error {
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if len(params) == 0 {
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return nil
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}
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snapshots := make([]model.PlayerSnapshot, 0, len(params))
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for _, param := range params {
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snapshots = append(snapshots, model.NewPlayerSnapshot(param))
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}
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if _, err := p.db.NewInsert().
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Model(&snapshots).
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Returning("NULL").
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Exec(ctx); err != nil {
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return fmt.Errorf("something went wrong while inserting player snapshots into the db: %w", err)
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}
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return nil
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}
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func (p *PlayerSnapshot) List(ctx context.Context, params domain.ListPlayerSnapshotsParams) ([]domain.PlayerSnapshot, error) {
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var snapshots []model.PlayerSnapshot
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if err := p.db.NewSelect().
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Model(&snapshots).
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Order(playerSnapshotOrders...).
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Apply(listPlayerSnapshotsParamsApplier{params}.apply).
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Scan(ctx); err != nil && !errors.Is(err, sql.ErrNoRows) {
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return nil, fmt.Errorf("couldn't select player snapshots from the db: %w", err)
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}
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result := make([]domain.PlayerSnapshot, 0, len(snapshots))
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for _, snapshot := range snapshots {
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result = append(result, snapshot.ToDomain())
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}
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return result, nil
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}
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func (p *PlayerSnapshot) ListCountWithRelations(
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ctx context.Context,
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params domain.ListPlayerSnapshotsParams,
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) ([]domain.PlayerSnapshotWithRelations, int64, error) {
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var snapshots []model.PlayerSnapshot
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paramsApplier := listPlayerSnapshotsParamsApplier{params}
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subQ := p.db.NewSelect().
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Column("id").
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Model(&model.PlayerSnapshot{}).
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Order(playerSnapshotOrders...).
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Apply(paramsApplier.apply)
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cntQ := p.db.NewSelect().
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Model(&model.PlayerSnapshot{}).
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Apply(paramsApplier.applyFilters)
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q := p.db.NewSelect().
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Model(&snapshots).
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Order(playerSnapshotOrders...).
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Apply(paramsApplier.applySort).
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Where("ps.id IN (?)", subQ).
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Relation("Tribe", func(q *bun.SelectQuery) *bun.SelectQuery {
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return q.Column(tribeMetaColumns...)
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})
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count, err := scanAndCount(ctx, cntQ, q)
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if err != nil && !errors.Is(err, sql.ErrNoRows) {
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return nil, 0, fmt.Errorf("couldn't select player snapshots from the db: %w", err)
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}
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result := make([]domain.PlayerSnapshotWithRelations, 0, len(snapshots))
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for _, snapshot := range snapshots {
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result = append(result, snapshot.ToDomainWithRelations())
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}
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return result, int64(count), nil
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}
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func (p *PlayerSnapshot) Delete(ctx context.Context, serverKey string, createdAtLTE time.Time) error {
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if _, err := p.db.NewDelete().
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Model(&model.PlayerSnapshot{}).
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Where("server_key = ?", serverKey).
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Where("created_at <= ?", createdAtLTE).
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Returning("NULL").
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Exec(ctx); err != nil {
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return fmt.Errorf("couldn't delete player snapshots: %w", err)
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}
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return nil
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}
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type listPlayerSnapshotsParamsApplier struct {
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params domain.ListPlayerSnapshotsParams
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}
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func (l listPlayerSnapshotsParamsApplier) apply(q *bun.SelectQuery) *bun.SelectQuery {
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return q.Apply(l.applySort).Apply(l.applyFilters).Apply(l.applyPagination)
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}
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func (l listPlayerSnapshotsParamsApplier) applyFilters(q *bun.SelectQuery) *bun.SelectQuery {
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if len(l.params.ServerKeys) > 0 {
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q = q.Where("ps.server_key IN (?)", bun.In(l.params.ServerKeys))
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}
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if len(l.params.PlayerIDs) > 0 {
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q = q.Where("ps.player_id IN (?)", bun.In(l.params.PlayerIDs))
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}
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return q
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}
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func (l listPlayerSnapshotsParamsApplier) applySort(q *bun.SelectQuery) *bun.SelectQuery {
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if len(l.params.Sort) == 0 {
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return q
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}
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orders := make([]string, 0, len(l.params.Sort))
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for i, s := range l.params.Sort {
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column, err := playerSnapshotSortByToColumn(s.By)
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if err != nil {
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return q.Err(fmt.Errorf("playerSnapshotSortByToColumn (index=%d): %w", i, err))
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}
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direction, err := sortDirectionToString(s.Direction)
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if err != nil {
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return q.Err(fmt.Errorf("sortDirectionToString (index=%d): %w", i, err))
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}
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orders = append(orders, column+" "+direction)
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}
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return q.Order(orders...)
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}
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func (l listPlayerSnapshotsParamsApplier) applyPagination(q *bun.SelectQuery) *bun.SelectQuery {
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return (paginationApplier{pagination: l.params.Pagination}).apply(q)
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}
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func playerSnapshotSortByToColumn(sortBy domain.PlayerSnapshotSortBy) (string, error) {
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switch sortBy {
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case domain.PlayerSnapshotSortByID:
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return "ps.id", nil
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case domain.PlayerSnapshotSortByDate:
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return "ps.date", nil
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}
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return "", fmt.Errorf("%w: %d", domain.ErrUnsupportedSortBy, sortBy)
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}
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