| 5 | |
| 6 | [[Image(старт-возење.png)]] |
| 7 | |
| 8 | ==== Тригер во база: |
| 9 | |
| 10 | Пред да се внесе возењето во база се извршува тригер во база за да се провери валидноста на билетот: |
| 11 | |
| 12 | {{{#!div style="font-size: 80%" |
| 13 | {{{#!sql |
| 14 | create or replace function check_expiry_date() returns trigger |
| 15 | as |
| 16 | $$ |
| 17 | begin |
| 18 | if exists( |
| 19 | select 1 |
| 20 | from vozenje v |
| 21 | where v.patnik_id = new.patnik_id and v.end_date is null |
| 22 | ) then |
| 23 | update vozenje set end_date = now(), status = 'FINISHED' where id in (select v.id |
| 24 | from vozenje v |
| 25 | where v.patnik_id = new.patnik_id and v.end_date is null); |
| 26 | end if; |
| 27 | |
| 28 | if exists( |
| 29 | select 1 |
| 30 | from bilet |
| 31 | where id = new.bilet_id and datum_aktivacija is null |
| 32 | ) then |
| 33 | update bilet set datum_aktivacija = now(), status = 'ACTIVE' where id = new.bilet_id; |
| 34 | end if; |
| 35 | |
| 36 | if exists( |
| 37 | select 1 |
| 38 | from bilet b |
| 39 | join tipbilet tb on b.tip_id = tb.id |
| 40 | where b.id = new.bilet_id and ((b.datum_aktivacija + (tb.trajnost || ' milliseconds')::interval) < now()) |
| 41 | ) then |
| 42 | update bilet set status = 'EXPIRED' where id = new.bilet_id; |
| 43 | end if; |
| 44 | |
| 45 | if exists( |
| 46 | select 1 |
| 47 | from bilet b |
| 48 | join tipbilet tb on b.tip_id = tb.id |
| 49 | where b.id = new.bilet_id and ((b.datum_aktivacija + (tb.trajnost || ' milliseconds')::interval) < now()) |
| 50 | ) then |
| 51 | RAISE exception 'Ticket is expired'; |
| 52 | end if; |
| 53 | return new; |
| 54 | end; |
| 55 | $$ language plpgsql; |
| 56 | |
| 57 | create or replace trigger check_validity_of_ticket |
| 58 | before insert on vozenje |
| 59 | for each row |
| 60 | execute function check_expiry_date(); |
| 61 | }}} |
| 62 | }}} |
| 63 | |
| 64 | |
| 65 | ==== Query за да се добијат потрбните инстанци на линии: |
| 66 | |
| 67 | {{{#!div style="font-size: 80%" |
| 68 | {{{#!java |
| 69 | |
| 70 | @Query( |
| 71 | value = |
| 72 | """ |
| 73 | select distinct inl.id |
| 74 | from instanca_na_linija inl |
| 75 | join instanca_na_linija_postojka_na_linija inlpnl on inl.id = inlpnl.instanca_na_linija_id |
| 76 | where end_date is null |
| 77 | and linija_id in ( |
| 78 | select distinct(pnl.linija_id) |
| 79 | from postojka_na_linija pnl |
| 80 | where postojka_id = ?1 |
| 81 | ) |
| 82 | except |
| 83 | select inl.id |
| 84 | from postojka_na_linija pnl |
| 85 | join instanca_na_linija inl on inl.linija_id = pnl.linija_id and inl.pravec_id = pnl.pravec_id |
| 86 | join instanca_na_linija_postojka_na_linija inlpnl on inl.id = inlpnl.instanca_na_linija_id and pnl.id = inlpnl.postojka_na_linija_id |
| 87 | where inl.end_date is null and postojka_id = ?1; |
| 88 | """, |
| 89 | nativeQuery = true, |
| 90 | ) |
| 91 | fun findIncomingRouteInstancesForStation(stationId: Int): List<Long> |
| 92 | |
| 93 | |
| 94 | }}} |
| 95 | }}} |
| 96 | |