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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| package pg | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "errors" | ||
| "fmt" | ||
|
|
||
| "github.com/Masterminds/squirrel" | ||
| "github.com/rarimo/geo-points-svc/internal/data" | ||
| "gitlab.com/distributed_lab/kit/pgdb" | ||
| ) | ||
|
|
||
| const bonusCodesTable = "bonus_codes" | ||
|
|
||
| type bonusCodesQ struct { | ||
| db *pgdb.DB | ||
| selector squirrel.SelectBuilder | ||
| updater squirrel.UpdateBuilder | ||
| counter squirrel.SelectBuilder | ||
| } | ||
|
|
||
| func NewBonusCodesQ(db *pgdb.DB) data.BonusCodesQ { | ||
| return &bonusCodesQ{ | ||
| db: db, | ||
| selector: squirrel.Select("id", bonusCodesTable+".nullifier AS nullifier", "usage_count", "infinity", "reward").From(bonusCodesTable), | ||
| updater: squirrel.Update(bonusCodesTable), | ||
| counter: squirrel.Select("COUNT(*) as count").From(bonusCodesTable), | ||
| } | ||
| } | ||
|
|
||
| func (q *bonusCodesQ) New() data.BonusCodesQ { | ||
| return NewBonusCodesQ(q.db) | ||
| } | ||
|
|
||
| func (q *bonusCodesQ) Insert(bonusCodes ...data.BonusCode) error { | ||
| if len(bonusCodes) == 0 { | ||
| return nil | ||
| } | ||
|
|
||
| stmt := squirrel.Insert(bonusCodesTable).Columns("id", "nullifier", "reward", "usage_count", "infinity") | ||
| for _, bonusCode := range bonusCodes { | ||
| stmt = stmt.Values(bonusCode.ID, bonusCode.Nullifier, bonusCode.Reward, bonusCode.UsageCount, bonusCode.Infinity) | ||
| } | ||
|
|
||
| if err := q.db.Exec(stmt); err != nil { | ||
| return fmt.Errorf("insert bonus codes: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (q *bonusCodesQ) Update(values map[string]any) error { | ||
|
|
||
| if err := q.db.Exec(q.updater.SetMap(values)); err != nil { | ||
| return fmt.Errorf("update bonusCode: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (q *bonusCodesQ) Select() ([]data.BonusCode, error) { | ||
| var res []data.BonusCode | ||
|
|
||
| if err := q.db.Select(&res, q.selector); err != nil { | ||
| return nil, fmt.Errorf("select bonusCodes: %w", err) | ||
| } | ||
|
|
||
| return res, nil | ||
| } | ||
|
|
||
| func (q *bonusCodesQ) Get() (*data.BonusCode, error) { | ||
| var res data.BonusCode | ||
|
|
||
| if err := q.db.Get(&res, q.selector); err != nil { | ||
| if errors.Is(err, sql.ErrNoRows) { | ||
| return nil, nil | ||
| } | ||
| return nil, fmt.Errorf("get bonusCode: %w", err) | ||
| } | ||
|
|
||
| return &res, nil | ||
| } | ||
|
|
||
| func (q *bonusCodesQ) Page(page *pgdb.OffsetPageParams) data.BonusCodesQ { | ||
| q.selector = page.ApplyTo(q.selector, "updated_at") | ||
| return q | ||
| } | ||
|
|
||
| func (q *bonusCodesQ) Count() (uint64, error) { | ||
| var res struct { | ||
| Count uint64 `db:"count"` | ||
| } | ||
|
|
||
| if err := q.db.Get(&res, q.counter); err != nil { | ||
| return 0, fmt.Errorf("count bonusCodes: %w", err) | ||
| } | ||
|
|
||
| return res.Count, nil | ||
| } | ||
|
|
||
| func (q *bonusCodesQ) FilterByNullifier(nullifiers ...string) data.BonusCodesQ { | ||
| return q.applyCondition(squirrel.Eq{fmt.Sprintf("%s.nullifier", bonusCodesTable): nullifiers}) | ||
| } | ||
|
|
||
| func (q *bonusCodesQ) FilterByID(ids ...string) data.BonusCodesQ { | ||
| return q.applyCondition(squirrel.Eq{fmt.Sprintf("%s.id", bonusCodesTable): ids}) | ||
| } | ||
|
|
||
| func (q *bonusCodesQ) applyCondition(cond squirrel.Sqlizer) data.BonusCodesQ { | ||
| q.selector = q.selector.Where(cond) | ||
| q.updater = q.updater.Where(cond) | ||
| q.counter = q.counter.Where(cond) | ||
| return q | ||
| } |
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