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datatable.directory/app/Models/Revision.php

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<?php
namespace App\Models;
use App\Tables\Column;
use Illuminate\Support\Collection;
use Riesjart\Relaquent\Model\Concerns\HasRelaquentRelationships;
/**
* Table revision (a set of rows)
*
* @property int $id
* @property \Carbon\Carbon $created_at
* @property \Carbon\Carbon $updated_at
* @property int $ancestor_id
* @property string $note
* @property object $columns
* @property int $row_count - cached number of rows in the revision
* @property-read Revision|null $parentRevision
* @property-read Row[]|Collection $rows
* @property-read Proposal|null $sourceProposal - proposal that was used to create this revision
* @property-read Proposal[]|Collection $dependentProposals
*/
class Revision extends BaseModel
{
use HasRelaquentRelationships;
protected $guarded = [];
protected $casts = [
'columns' => 'object',
];
/** Included rows */
public function rows()
{
return $this->belongsToMany(Row::class, 'revision_row_pivot')->as('_row_pivot');
}
/** Included rows
* @param Column[] $columns
* @return \Illuminate\Database\Query\Builder|static
*/
public function rowsData($columns, $withId=true)
{
$selects = $withId ? ["data->>'_id' as _id"] : [];
foreach ($columns as $col) {
$selects[] = "data->>'$col->id' as $col->name";
}
return $this->rows()->select([])->selectRaw(implode(', ', $selects));
}
/** Proposal that lead to this revision */
public function sourceProposal()
{
return $this->hasOneThrough(Proposal::class, 'revision_proposal_pivot');
}
/** Proposals that depend on this revision */
public function dependentProposals()
{
return $this->hasMany(Proposal::class);
}
/** Revision this orignates from */
public function parentRevision()
{
return $this->belongsTo(Revision::class, 'ancestor_id');
}
/** Tables referencing this revision */
public function tables()
{
return $this->belongsToMany(Table::class, 'table_revision_pivot');
}
}