114 lines
2 KiB
Go
114 lines
2 KiB
Go
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package store
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import (
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"database/sql"
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sq "github.com/Masterminds/squirrel"
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"git.ctrlz.es/mgdelacroix/craban/model"
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)
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var gameColumns = []string{"id", "user_id", "name"}
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var gameMemberColumns = []string{"game_id", "user_id", "role"}
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type GameStore struct {
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Conn *sql.DB
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}
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func NewGameStore(s *Store) *GameStore {
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return &GameStore{Conn: s.Conn}
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}
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func (gs *GameStore) Q() sq.StatementBuilderType {
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return sq.StatementBuilder.RunWith(gs.Conn)
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}
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func (gs *GameStore) gamesFromRows(rows *sql.Rows) ([]*model.Game, error) {
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games := []*model.Game{}
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for rows.Next() {
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var game model.Game
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err := rows.Scan(
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&game.ID,
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&game.UserID,
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&game.Name,
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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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games = append(games, &game)
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}
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return games, nil
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}
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func (gs *GameStore) getGameByCondition(condition sq.Eq) (*model.Game, error) {
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games, err := gs.getGamesByCondition(condition)
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if err != nil {
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return nil, err
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}
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return games[0], nil
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}
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func (gs *GameStore) getGamesByCondition(condition sq.Eq) ([]*model.Game, error) {
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rows, err := gs.Q().Select(userColumns...).
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From("games").
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Where(condition).
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Query()
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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games, err := gs.gamesFromRows(rows)
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if err != nil {
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return nil, err
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}
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if len(games) == 0 {
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return nil, sql.ErrNoRows
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}
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return games, nil
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}
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func (gs *GameStore) GetByID(id int) (*model.Game, error) {
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return gs.getGameByCondition(sq.Eq{"id": id})
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}
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func (gs *GameStore) Create(name string, userID int) (*model.Game, error) {
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// ToDo: generate transaction
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// ToDo: add tests
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res, err := gs.Q().Insert("games").
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Columns(gameColumns[1:]...).
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Values(name, userID).
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Exec()
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if err != nil {
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return nil, err
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}
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id, err := res.LastInsertId()
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if err != nil {
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return nil, err
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}
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game, err := gs.GetByID(int(id))
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if err != nil {
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return nil, err
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}
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res, err = gs.Q().Insert("gamemember").
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Columns(gameMemberColumns...).
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Values(game.ID, userID, model.RoleGameMaster).
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Exec()
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if err != nil {
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return nil, err
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}
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return game, nil
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}
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