111 lines
2.7 KiB
Go
111 lines
2.7 KiB
Go
package storage
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import (
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"context"
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"errors"
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"git.sch9.ru/new_gate/ms-tester/pkg/models"
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"github.com/jmoiron/sqlx"
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"go.uber.org/zap"
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)
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type ProblemStorage struct {
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db *sqlx.DB
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logger *zap.Logger
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}
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func NewProblemStorage(db *sqlx.DB, logger *zap.Logger) *ProblemStorage {
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return &ProblemStorage{
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db: db,
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logger: logger,
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}
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}
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func (storage *ProblemStorage) CreateProblem(ctx context.Context, problem *models.Problem, testGroupData []models.TestGroupData) (int32, error) {
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tx, err := storage.db.Beginx()
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if err != nil {
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return 0, handlePgErr(err)
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}
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query := tx.Rebind(`
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INSERT INTO problems
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(name,description,time_limit,memory_limit)
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VALUES (?, ?, ?, ?)
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RETURNING id
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`)
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rows, err := tx.QueryxContext(
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ctx,
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query,
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problem.Name,
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problem.Description,
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problem.TimeLimit,
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problem.MemoryLimit,
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)
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if err != nil {
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return 0, handlePgErr(errors.Join(err, tx.Rollback()))
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}
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for _, tgd := range testGroupData {
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query := tx.Rebind(`
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INSERT INTO testgroups
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(problem_id,testing_strategy)
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VALUES ((select last_value from problems_id_seq),?)
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RETURNING id
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`)
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rows, err = tx.QueryxContext(ctx, query, tgd.Ts)
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if err != nil {
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return 0, handlePgErr(errors.Join(err, tx.Rollback()))
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}
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var i int32 = 0
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for ; i < tgd.TestAmount; i++ {
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query := tx.Rebind(`
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INSERT INTO tests
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(testgroup_id)
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VALUES ((select last_value from testgroups_id_seq))
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RETURNING id
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`)
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rows, err = tx.QueryxContext(ctx, query, tgd.Ts)
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if err != nil {
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return 0, handlePgErr(errors.Join(err, tx.Rollback()))
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}
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}
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}
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err = tx.Commit()
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//add test saving
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defer rows.Close()
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var id int32
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err = rows.StructScan(&id)
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if err != nil {
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return 0, handlePgErr(err)
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}
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return id, nil
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}
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func (storage *ProblemStorage) ReadProblemById(ctx context.Context, id int32) (*models.Problem, error) {
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var problem models.Problem
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query := storage.db.Rebind("SELECT * from problems WHERE id=? LIMIT 1")
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err := storage.db.GetContext(ctx, &problem, query, id)
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if err != nil {
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return nil, handlePgErr(err)
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}
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return &problem, nil
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}
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func (storage *ProblemStorage) UpdateProblem(ctx context.Context, problem *models.Problem) error {
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query := storage.db.Rebind("UPDATE problems SET name=?,description=?,time_limit=?,memory_limit=? WHERE id=?")
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_, err := storage.db.ExecContext(ctx, query, problem.Name, problem.Description, problem.TimeLimit, problem.MemoryLimit, problem.Id)
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if err != nil {
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return handlePgErr(err)
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}
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return nil
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}
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func (storage *ProblemStorage) DeleteProblem(ctx context.Context, id int32) error {
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query := storage.db.Rebind("DELETE FROM problems WHERE id=?")
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_, err := storage.db.ExecContext(ctx, query, id)
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if err != nil {
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return handlePgErr(err)
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}
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return nil
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}
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