423 lines
14 KiB
PHP
423 lines
14 KiB
PHP
<?php
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namespace App\Models;
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use App\Enums\Departaimant;
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use App\Enums\DepartaimantCurrent;
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use App\Enums\DepartaimantCollectionType;
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use App\Enums\DepartaimantStatus;
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use App\Enums\DepartaimantVintage;
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use Kwaadpepper\Enum\Traits\CastsEnums;
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use Exception;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Database\Eloquent\Model;
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/**
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* Departaimants Model
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* Has functions to store departaimants on multiple statuses
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*
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* @uses App\Enums\Departaimant
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* @uses App\Enums\DepartaimantStatus
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* @uses App\Enums\DepartaimantCollectionType
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* @author Jérémy Munsch <jeremy.munsch@ldc.fr>
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*/
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class DepartaimantsCollection extends Model
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{
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use CastsEnums;
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protected $enumCasts = [
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'type' => DepartaimantCollectionType::class
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];
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protected $table = 'departaimants';
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private static $columnTableNamePrefix = 'col'; // Le prefix d'un table departaimant
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private static $tableFields = 4; // Le nombre de colonnes des departaimants
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private static $departementWidth = 2; // La largeur en bits d'un départaimant
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public $attributes = [
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'type' => 'current' // to be set in construct
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];
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public $fillable = [
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'collection'
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];
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public static function __callStatic($name, $arguments)
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{
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if ($name === 'defaultType') {
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return DepartaimantCollectionType::current();
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}
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return parent::__callStatic($name, $arguments);
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}
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/**
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* @param array $attributes
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* @throws TypeError
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* @throws BadMethodCallException
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*/
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public function __construct(array $attributes = [])
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{
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$this->type = DepartaimantCollectionType::current();
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// Set Default 0 to cols instead of null
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for ($i = 1; $i < $this->tableFields; $i++) {
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$this->attributes[sprintf('col%d', $i)] = 0;
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}
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if (\array_key_exists('type', $attributes)) {
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$this->attributes['type'] = DepartaimantCollectionType::make($attributes['type']);
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}
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parent::__construct($attributes);
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}
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public function customer()
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{
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return $this->belongsTo(Customers::class);
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}
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/**
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* Add a Departaiment to this collection
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*
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* @param Departaimant $departaimant
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* @return void
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*/
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public function add(Departaimant $departaimant): void
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{
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$this->set($departaimant, DepartaimantStatus::has());
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}
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/**
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* Removes a Departaime from this collection
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*
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* @param Departaimant $departaimant
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* @return void
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*/
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public function remove(Departaimant $departaimant): void
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{
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$this->reset($departaimant);
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}
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/**
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* Checks if this collection has a Departaimant
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*
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* @param Departaimant $departaimant
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* @return bool
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*/
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public function has(Departaimant $departaimant): bool
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{
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return $this->status($departaimant, DepartaimantStatus::has());
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}
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/**
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* Set the Departaimant to a specific status
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*
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* @param Departaimant $departaimant
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* @param DepartaimantStatus $status
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* @return void
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*/
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public function set(Departaimant $departaimant, DepartaimantStatus $status): void
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{
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$depCol = static::depColInTable($this->type, $departaimant);
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$tableName = sprintf('%s%d', static::$columnTableNamePrefix, static::depField($this->type, $departaimant));
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$this->reset($departaimant);
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$this->$tableName |= ($status->value << $depCol); // OR
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}
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/**
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* Test the Departaimant status
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*
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* @param Departaimant $departaimant
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* @param DepartaimantStatus $status
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* @return bool
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*/
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public function status(Departaimant $departaimant, DepartaimantStatus $status): bool
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{
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$depCol = static::depColInTable($this->type, $departaimant);
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$tableName = sprintf('%s%d', static::$columnTableNamePrefix, static::depField($this->type, $departaimant));
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/**
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* On créer le masque, puis on le décale vers la gauche de $depCol
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* On fait un & binaire pour récupérer la valeur
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* Puis on la redécale vers la droite
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* Enfin on la compare à l'énum DepartaimantStatus::has()
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*/
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$mask = bindec(str_replace('0', '1', decbin(static::$departementWidth))) << $depCol;
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return ($status->value << $depCol) === ($this->$tableName & $mask);
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}
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/**
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* Get all Customer which has their departaimant with a status
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*
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* @param DepartaimantCollectionType $depColtype
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* @param Departaimant $departaimant
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* @param DepartaimantStatus $status
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* @return Illuminate\Database\Eloquent\Builder
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*/
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public static function getCustomersWithStatusAndDepartaimant(
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DepartaimantCollectionType $depColtype,
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Departaimant $departaimant,
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DepartaimantStatus $status
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): Builder {
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$depCol = self::depColInTable($depColtype, $departaimant);
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$tableName = sprintf('%s%d', self::$columnTableNamePrefix, self::depField($depColtype, $departaimant));
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/**
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* On créer le masque, puis on le décale vers la gauche de $depCol
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* On fait un & binaire pour récupérer la valeur
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* Puis on la redécale vers la droite
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* Enfin on la compare à l'énum DepartaimantStatus::has()->value
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*/
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$mask = bindec(str_replace('0', '1', decbin(self::$departementWidth))) << $depCol;
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return Customers::with('departaimantsCollections')
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->whereHas('departaimantsCollections', function ($query) use ($tableName, $mask, $status, $depCol) {
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$query->whereRaw(sprintf('((%d << %d) = (%s & %d))', $status->value, $depCol, $tableName, $mask));
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});
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}
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/**
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* Get all Customer which has their departaimant with a status
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*
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* @param array $departaimants
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* @param DepartaimantStatus $status
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* @param DepartaimantCollectionType $type
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* @return Builder
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*/
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public static function getDepartaimantsCollectionWithStatus(
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array $departaimants,
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DepartaimantStatus $status,
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DepartaimantCollectionType $type
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): Builder {
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$req = static::where('type', $type->value);
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$whereReq = '';
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$i = 0;
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foreach ($departaimants as $k => $departaimant) {
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$depCol = self::depColInTable($type, $departaimant);
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$tableName = sprintf('%s%d', self::$columnTableNamePrefix, self::depField($type, $departaimant));
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/**
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* On créer le masque, puis on le décale vers la gauche de $depCol
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* On fait un & binaire pour récupérer la valeur
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* Puis on la redécale vers la droite
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* Enfin on la compare à l'énum DepartaimantStatus::has()->value
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*/
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$mask = bindec(str_replace('0', '1', decbin(self::$departementWidth))) << $depCol;
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$whereReq .= sprintf('((%d << %d) = (%s & %d)) ', $status->value, $depCol, $tableName, $mask);
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if ($i++ !== count($departaimants) - 1) {
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$whereReq .= " OR ";
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}
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}
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if (strlen($whereReq)) {
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$req->whereRaw("($whereReq)");
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}
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return $req;
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}
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/**
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* Get the Departaimant status
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*
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* @param Departaimant $departaimant
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* @return DepartaimantStatus
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*/
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public function getStatus(Departaimant $departaimant): DepartaimantStatus
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{
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$depCol = static::depColInTable($this->type, $departaimant);
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$tableName = sprintf('%s%d', static::$columnTableNamePrefix, static::depField($this->type, $departaimant));
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/**
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* On créer le masque, puis on le décale vers la gauche de $depCol
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* On fait un & binaire pour récupérer la valeur
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* Puis on la redécale vers la droite
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* Enfin on la compare à l'énum DepartaimantStatus::has()
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*/
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$mask = bindec(str_replace('0', '1', decbin(static::$departementWidth))) << $depCol;
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return DepartaimantStatus::make(($this->$tableName & $mask) >> $depCol);
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}
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/**
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* Get a list of all the departaimants and their status
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*
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* @uses Departaimant
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* @uses DepartaimantStatus
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* @return array[object] with departaimant: \App\Enums\Departaimant, status:\App\Enums\DepartaimantStatus
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*/
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public function getAllDepartaimants(): array
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{
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$deps = [];
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/** @var Departaimant */
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$departaimant = static::getDepType($this->type);
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foreach (static::getDepKeys($this->type) as $depKey) {
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/** @var Departaimant */
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$dep = \forward_static_call([\get_class($departaimant), 'make'], $depKey);
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$deps[$depKey] = (object)[
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'departaimant' => $dep,
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'status' => $this->getStatus($dep)
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];
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}
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return $deps;
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}
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/**
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* Get a list of all the departaimants and their status
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*
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* @param DepartaimantCollectionType $depColtype
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* @param DepartaimantStatus $status
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* @uses Departaimant
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* @uses DepartaimantStatus
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* @return array[object] with departaimant: \App\Enums\Departaimant, status:\App\Enums\DepartaimantStatus
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*/
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public function getAllDepartaimantsWithStatus(
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DepartaimantCollectionType $depColtype,
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DepartaimantStatus $status
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): array {
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$deps = [];
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/** @var Departaimant */
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$departaimant = static::getDepType($depColtype);
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foreach (static::getDepKeys($depColtype) as $depKey) {
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/** @var Departaimant */
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$dep = \forward_static_call([\get_class($departaimant), 'make'], $depKey);
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if ($status->equals($this->getStatus($dep))) {
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$deps[$depKey] = (object)[
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'departaimant' => $dep,
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'status' => $this->getStatus($dep)
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];
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}
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}
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return $deps;
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}
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/**
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* Set the Departaimant column to 0
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*
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* @param Departaimant $departaimant
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* @return void
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*/
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private function reset(Departaimant $departaimant): void
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{
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$depCol = static::depColInTable($this->type, $departaimant);
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$tableName = sprintf('%s%d', static::$columnTableNamePrefix, static::depField($this->type, $departaimant));
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$this->$tableName &= ~(DepartaimantStatus::wants()->value << $depCol); // AND max enum value
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}
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/**
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* Donne la 'table' (colonne SQL) dans laquelle se trouve
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* le département
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*
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* @param DepartaimantCollectionType $depColtype
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* @param Departaimant $dep
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* @return int
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*/
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public static function depField(DepartaimantCollectionType $depColtype, Departaimant $dep): int
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{
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$fieldCols = self::getTableColumnWith();
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$totalFieldCols = self::$tableFields * $fieldCols;
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$depsPerField = floor($totalFieldCols / self::$tableFields);
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return (int)floor((array_search(
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'.' . $dep->value,
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array_keys(self::getDeps($depColtype))
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) + $depsPerField) / $depsPerField);
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}
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/**
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* Donne la colonne (binaire) dans laquelle se trouve le département
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* Dans sa 'table' (colonne SQL)
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*
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* @param DepartaimantCollectionType $depColtype
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* @param Departaimant $dep
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* @return int
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*/
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public static function depColInTable(DepartaimantCollectionType $depColtype, Departaimant $dep): int
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{
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$tableColumnWith = self::getTableColumnWith();
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$depsKeys = self::getDepKeys($depColtype);
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$size = count($depsKeys);
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$i = 0;
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for ($a = 0; $a < $size; $a++) {
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if ($dep->value == $depsKeys[$a]) {
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return $i * self::$departementWidth;
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}
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$i = $i >= ($tableColumnWith - 1) ? 0 : $i + 1;
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}
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return -1;
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}
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/**
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* Donne la valeur (masque binaire) d'un département
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*
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* @param Departaimant $dep
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* @return int
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*/
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public function depVal(Departaimant $dep): int
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{
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return static::getDeps($this->type)['.' . $dep->value];
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}
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/**
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* Genère la liste des departements avec leur masques
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*
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* @param DepartaimantCollectionType $depColtype
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* @return array
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*/
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private static function getDeps(DepartaimantCollectionType $depColtype): array
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{
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$tableColumnWith = self::getTableColumnWith();
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$o = [];
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$i = 0;
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$depsKeys = self::getDepKeys($depColtype);
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$size = count($depsKeys);
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for ($a = 0; $a < $size; $a++) {
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// Appending '.' as a hack to prevent PHP from casting numeric indexes
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$o['.' . $depsKeys[$a]] = 1 << $i * self::$departementWidth;
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$i = $i >= ($tableColumnWith - 1) ? 0 : $i + 1;
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}
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return $o;
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}
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/**
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* Get the with in bit length for a column
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* that can be used to store data
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*
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* @return void
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*/
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private static function getTableColumnWith()
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{
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// bigInt = 8 * 8 octets
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return floor(8 * 8 / self::$departementWidth) - self::$departementWidth;
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}
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/**
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* Get departaimant enum values
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*
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* @param DepartaimantCollectionType $depColtype
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* @return array
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*/
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private static function getDepKeys(DepartaimantCollectionType $depColtype): array
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{
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/** @var Departaimant */
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$type = self::getDepType($depColtype);
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return \forward_static_call([\get_class($type), 'toValues']);
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}
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/**
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* Get a departaiment enum from a collection type
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*
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* @param DepartaimantCollectionType $depColtype
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* @return Departaimant
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*/
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private static function getDepType(DepartaimantCollectionType $depColtype): Departaimant
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{
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if (is_null($depColtype)) {
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throw new Exception(
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'DepartaimantCollection::type class member must be set to a DepartaimantCollectionType'
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);
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}
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switch ($depColtype) {
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case DepartaimantCollectionType::current():
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return new DepartaimantCurrent();
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case DepartaimantCollectionType::vintage():
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return new DepartaimantVintage();
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default:
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throw new Exception(sprintf(
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'DepartaimantCollection::type %s is not handled in DepartaimantCollection Model'
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), $depColtype);
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}
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}
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}
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