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编辑当前文件:/home/sditechnicalteam/public_html/app/DataTables/NoticeBoardDataTable.php

<?php

namespace App\DataTables;

use App\DataTables\BaseDataTable;
use App\Models\Notice;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;
use Yajra\DataTables\Html\Button;
use Yajra\DataTables\Html\Column;

class NoticeBoardDataTable extends BaseDataTable
{

private $editNoticePermission;
    private $deleteNoticePermission;

public function __construct()
    {
        parent::__construct();
        $this->editNoticePermission = user()->permission('edit_notice');
        $this->deleteNoticePermission = user()->permission('delete_notice');
        $this->viewNoticePermission = user()->permission('view_notice');
    }

/**
     * Build DataTable class.
     *
     * @param mixed $query Results from query() method.
     * @return \Yajra\DataTables\DataTableAbstract
     */
    public function dataTable($query)
    {
        return datatables()
            ->eloquent($query)
            ->addColumn('check', function ($row) {
                return '<input type="checkbox" class="select-table-row" id="datatable-row-' . $row->id . '"  name="datatable_ids[]" value="' . $row->id . '" onclick="dataTableRowCheck(' . $row->id . ')">';
            })
            ->addColumn('action', function ($row) {

$action = '<div class="task_view">

<div class="dropdown">
                        <a class="task_view_more d-flex align-items-center justify-content-center dropdown-toggle" type="link"
                            id="dropdownMenuLink-' . $row->id . '" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                            <i class="icon-options-vertical icons"></i>
                        </a>
                        <div class="dropdown-menu dropdown-menu-right" aria-labelledby="dropdownMenuLink-' . $row->id . '" tabindex="0">';

$action .= '<a href="' . route('notices.show', $row->id) . '" class="dropdown-item openRightModal" ><i class="fa fa-eye mr-2"></i>' . __('app.view') . '</a>';

if ($this->editNoticePermission == 'all' || ($this->editNoticePermission == 'added' && user()->id == $row->added_by) || ($this->editNoticePermission == 'owned' && in_array($row->to, user_roles())) || ($this->editNoticePermission == 'both' && (in_array($row->to, user_roles()) || $row->added_by == user()->id))
                ) {
                    $action .= '<a class="dropdown-item openRightModal" href="' . route('notices.edit', [$row->id]) . '">
                                <i class="fa fa-edit mr-2"></i>
                                ' . trans('app.edit') . '
                            </a>';
                }

if ($this->deleteNoticePermission == 'all' || ($this->deleteNoticePermission == 'added' && user()->id == $row->added_by) || ($this->deleteNoticePermission == 'owned' && in_array($row->to, user_roles())) || ($this->deleteNoticePermission == 'both' && (in_array($row->to, user_roles()) || $row->added_by == user()->id))
                ) {

$action .= '<a class="dropdown-item delete-table-row" href="javascript:;" data-user-id="' . $row->id . '">
                                <i class="fa fa-trash mr-2"></i>
                                ' . trans('app.delete') . '
                            </a>';
                }

$action .= '</div>
                    </div>
                </div>';

return $action;
            })
            ->editColumn(
                'heading',
                function ($row) {
                    return ' <a href="' . route('notices.show', $row->id) . '" class="openRightModal text-darkest-grey" >' . $row->heading . '</a>';
                }
            )
            ->editColumn(
                'created_at',
                function ($row) {
                    return $row->created_at->format($this->company->date_format);
                }
            )
            ->editColumn(
                'to',
                function ($row) {
                    return ucfirst($row->to);
                }
            )
            ->addIndexColumn()
            ->smart(false)
            ->setRowId(function ($row) {
                return 'row-' . $row->id;
            })
            ->rawColumns(['action', 'heading', 'check']);
    }

/***
     * @param Notice $model
     * @return \Illuminate\Database\Query\Builder
     */
    public function query(Notice $model)
    {
        $request = $this->request();
        $model = $model->select('id', 'heading', 'to', 'created_at', 'added_by');

if ($request->startDate !== null && $request->startDate != 'null' && $request->startDate != '') {
            $startDate = Carbon::createFromFormat($this->company->date_format, $request->startDate)->toDateString();
            $model = $model->where(DB::raw('DATE(notices.`created_at`)'), '>=', $startDate);
        }

if ($request->endDate !== null && $request->endDate != 'null' && $request->endDate != '') {
            $endDate = Carbon::createFromFormat($this->company->date_format, $request->endDate)->toDateString();
            $model = $model->where(DB::raw('DATE(notices.`created_at`)'), '<=', $endDate);
        }

if ($request->searchText != '') {
            $model->where(function ($query) {
                $query->where('notices.heading', 'like', '%' . request('searchText') . '%');
            });
        }

if (in_array('client', user_roles())) {
            $model = $model->where('to', 'client');
        }

if ($this->viewNoticePermission == 'added') {
            $model->where('notices.added_by', user()->id);
        }

return $model;
    }

/**
     * Optional method if you want to use html builder.
     *
     * @return \Yajra\DataTables\Html\Builder
     */
    public function html()
    {
        return $this->builder()
            ->setTableId('notice-board-table')
            ->columns($this->getColumns())
            ->minifiedAjax()
            ->orderBy(3)
            ->destroy(true)
            ->responsive(true)
            ->serverSide(true)
            ->stateSave(true)
            ->processing(true)
            ->dom($this->domHtml)
            ->language(__('app.datatable'))
            ->buttons(Button::make(['extend' => 'excel', 'text' => '<i class="fa fa-file-export"></i> ' . trans('app.exportExcel')]))
            ->parameters([
                'initComplete' => 'function () {
                   window.LaravelDataTables["notice-board-table"].buttons().container()
                    .appendTo("#table-actions")
                }',
                'fnDrawCallback' => 'function( oSettings ) {
                    $("body").tooltip({
                        selector: \'[data-toggle="tooltip"]\'
                    })
                }',
            ]);
    }

/**
     * Get columns.
     *
     * @return array
     */
    protected function getColumns()
    {
        return [
            'check' => [
                'title' => '<input type="checkbox" name="select_all_table" id="select-all-table" onclick="selectAllTable(this)">',
                'exportable' => false,
                'orderable' => false,
                'searchable' => false,
                'visible' => !in_array('client', user_roles())
            ],
            '#' => ['data' => 'DT_RowIndex', 'orderable' => false, 'searchable' => false, 'visible' => false],
            __('modules.notices.notice') => ['data' => 'heading', 'name' => 'heading', 'title' => __('modules.notices.notice')],
            __('app.date') => ['data' => 'created_at', 'name' => 'created_at', 'title' => __('app.date')],
            __('app.to') => ['data' => 'to', 'name' => 'to', 'title' => __('app.to'), 'visible' => !in_array('client', user_roles())],
            Column::computed('action', __('app.action'))
                ->exportable(false)
                ->printable(false)
                ->orderable(false)
                ->searchable(false)
                ->addClass('text-right pr-20')
        ];
    }

/**
     * Get filename for export.
     *
     * @return string
     */
    protected function filename()
    {
        return 'Notice_' . date('YmdHis');
    }

public function pdf()
    {
        set_time_limit(0);

if ('snappy' == config('datatables-buttons.pdf_generator', 'snappy')) {
            return $this->snappyPdf();
        }

$pdf = app('dompdf.wrapper');
        $pdf->loadView('datatables::print', ['data' => $this->getDataForPrint()]);

return $pdf->download($this->getFilename() . '.pdf');
    }

}