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d58f0fda
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Cajova-Houba
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<?php
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/**
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* Created by PhpStorm.
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* User: Zdenda
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* Date: 23.4.2018
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* Time: 12:47
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*/
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namespace App\Model;
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use Illuminate\Support\Facades\DB;
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/**
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* Trida reprezentujici entitu zarizeni v databazi.
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* @package App\Model
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*/
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class Zaznam extends BaseModel
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{
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protected $table = 'zaznam';
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/**
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* Vrati posledni datum pro ktere existuji nejake zaznamy.
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4877913b
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Cajova-Houba
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* @return String Posledni datum pro ktere existuji zaznamy.
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d58f0fda
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Cajova-Houba
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*/
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01f99166
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Jan Kohlíček
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public static function lastInsertedDate()
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{
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1adda1a9
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Cajova-Houba
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return DB::table('datum')->select(DB::raw('max(date(od)) as last_day'))->get();
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d58f0fda
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Cajova-Houba
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}
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4877913b
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Cajova-Houba
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/**
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* Vrati prumery dopravy v casovem useku podle typu vozidla.
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*
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* @param String $deviceId Id zarizeni pro ktere budou vraceny zaznamy.
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* @param String $dateFrom Pocatecni datum. Null znamená poledni vlozeny den.
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* @param String $dateTo Koncove datum. Null znamena posledni vlozeny den.
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* @param String $timeFrom Pocatecni cas. Null znamena 00:00.
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* @param String $timeTo Koncovy cas. Null znamena 23:59.
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* @param int $direction Pozadovany smer. Null znamena oba smery.
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* @return array Prumery dopravy pro casovy usek podle typu vozidla.
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*/
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01f99166
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Jan Kohlíček
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public static function averageByDevice($deviceId, $dateFrom, $dateTo, $timeFrom, $timeTo, $direction)
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{
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4877913b
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Cajova-Houba
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$lastDate = null;
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$dir = null;
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// jedno z omezujicich dat je null => ziskej posledni vlozene datum
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if ($dateFrom == null || $dateTo == null) {
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$lastDate = Zaznam::lastInsertedDate();
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if ($lastDate == null) {
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// database is empty
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return "no-data";
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} else {
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$lastDate = $lastDate[0]->last_day;
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}
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}
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// vytvoreni query - vsechno to dat dohromady
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01f99166
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Jan Kohlíček
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$query = DB::table('zaznam_cas')
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->join('zaznam', 'zaznam.zaznam_cas_id', '=', 'zaznam_cas.id')
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1adda1a9
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Cajova-Houba
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->join('datum', 'zaznam_cas.datum_id', '=', 'datum.id')
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4877913b
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Cajova-Houba
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->select(DB::raw("
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1adda1a9
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date_format(datum.od, '%H:%i') as timeFrom,
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date_format(datum.do, '%H:%i') as timeTo,
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01f99166
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Jan Kohlíček
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ROUND(avg(zaznam.rychlost_prumer),0) as speedAverage,
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CAST(sum(zaznam.vozidla_pocet) as UNSIGNED) as numberVehicle,
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ROUND(avg(zaznam.vozidla_pocet),0) as numberVehicleAverage,
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zaznam.vozidlo_id as typeVehicleId
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4877913b
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Cajova-Houba
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"))
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->whereDate('datum.od', '>=', $dateFrom == null ? $lastDate : $dateFrom)
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->whereDate('datum.do', '<=', $dateTo == null ? $lastDate : $dateTo)
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->whereTime('datum.od', '>=', $timeFrom == null ? '08:00:00' : $timeFrom)
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a86222c9
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Cajova-Houba
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->whereTime('datum.od', '<=', $timeTo == null ? '23:59:59' : $timeTo)
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01f99166
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Jan Kohlíček
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->where('zaznam_cas.zarizeni_id', '=', $deviceId);
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4877913b
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Cajova-Houba
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01f99166
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Jan Kohlíček
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if ($direction != null) {
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4877913b
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Cajova-Houba
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$query = $query->where('zaznam_cas.smer', '=', $direction);
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}
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// pridat grouping a razeni nakonec
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$query = $query
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cd5a5e83
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Cajova-Houba
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->groupBy('timeFrom', 'zaznam.vozidlo_id')
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->orderBy('timeFrom', 'asc')
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01f99166
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Jan Kohlíček
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->orderBy('zaznam.vozidlo_id', 'asc');
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4877913b
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Cajova-Houba
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return $query->get();
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}
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d58f0fda
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Cajova-Houba
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/**
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* Vrati zaznamy pro urcite zarizeni.
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* Typ vozidla je vracen s kazdym zaznamem.
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*
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4877913b
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Cajova-Houba
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* @param String $deviceId Id zarizeni pro ktere budou vraceny zaznamy.
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* @param String $dateFrom Pocatecni datum. Null znamená poledni vlozeny den.
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* @param String $dateTo Koncove datum. Null znamena posledni vlozeny den.
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* @param String $timeFrom Pocatecni cas. Null znamena 00:00.
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* @param String $timeTo Koncovy cas. Null znamena 23:59.
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* @param int $direction Pozadovany smer. Null znamena oba smery.
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* @return array Zaznamy o doprave v casovem useku pro dane zarizeni.
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d58f0fda
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Cajova-Houba
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*/
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01f99166
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Jan Kohlíček
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public static function findByDevice($deviceId, $dateFrom, $dateTo, $timeFrom, $timeTo, $direction)
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{
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d58f0fda
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Cajova-Houba
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$dateTimeFrom = null;
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$dateTimeTo = null;
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$lastDate = null;
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$dir = null;
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// jedno z omezujicich dat je null => ziskej posledni vlozene datum
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if ($dateFrom == null || $dateTo == null) {
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$lastDate = Zaznam::lastInsertedDate();
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if ($lastDate == null) {
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// database is empty
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return "no-data";
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} else {
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$lastDate = $lastDate[0]->last_day;
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}
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}
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4877913b
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Cajova-Houba
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$dateTimeFrom = self::concatDateTime($dateFrom, $timeFrom, $lastDate, '00:00:00');
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$dateTimeTo = self::concatDateTime($dateTo, $timeTo, $lastDate, '23:59:59');
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d58f0fda
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Cajova-Houba
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// vytvoreni query - vsechno to dat dohromady
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$query = DB::table('zaznam')
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->join('zaznam_cas', 'zaznam.zaznam_cas_id', '=', 'zaznam_cas.id')
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->join('vozidlo', 'zaznam.vozidlo_id', '=', 'vozidlo.id')
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1adda1a9
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Cajova-Houba
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->join('datum', 'zaznam_cas.datum_id', '=', 'datum.id')
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->select(
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'datum.od as datetimeFrom',
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'datum.do as datetimeTo',
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d58f0fda
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'zaznam_cas.smer as direction',
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'zaznam.rychlost_prumer as speedAverage',
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'zaznam.vozidla_pocet as numberVehicle',
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d58f0fda
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'vozidlo.nazev as typeVehicle',
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'vozidlo.id as typeVehicleId')
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->where('datum.od', '>=', $dateTimeFrom)
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->where('datum.do', '<=', $dateTimeTo)
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d58f0fda
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Cajova-Houba
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->where('zaznam_cas.zarizeni_id', '=', $deviceId);
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01f99166
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Jan Kohlíček
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if ($direction != null) {
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d58f0fda
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Cajova-Houba
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$query = $query->where('zaznam_cas.smer', '=', $direction);
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}
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36c6c78d
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Cajova-Houba
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$query = $query->orderBy('datetimeFrom', 'asc');
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Cajova-Houba
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return $query->get();
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}
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4877913b
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Cajova-Houba
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/**
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* Spoji datum a cas. Pokud je jedna ze slozek null,
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* pouzije se defaultni hodnota.
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*
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* Vysledny datovy format: Y-m-d H:i:s
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*
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* @param String $date Datova slozka.
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* @param String $time Casova slozka.
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* @param String $defDate Defaultni hodnota pro datovou slozku.
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* @param String $defTime Defaultni hodnota pro casovou slozku.
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* @return String Spojene datum a cas.
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*/
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01f99166
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Jan Kohlíček
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private static function concatDateTime($date, $time, $defDate, $defTime)
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{
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4877913b
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Cajova-Houba
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$dateTime = null;
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$d = $date == null ? $defDate : $date;
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$t = $time == null ? $defTime : $time;
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$dateTime = date('Y-m-d H:i:s', strtotime("$d $t"));
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return $dateTime;
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}
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01f99166
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Jan Kohlíček
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d58f0fda
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Cajova-Houba
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}
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