银条。在 ModelAdmin 中按日期范围搜索

SilverStripe. Search by date-range in ModelAdmin

我的数据对象中有日期-属性。

如何在 ModelAdmin 中按日期范围搜索?

例如:"search all items where date is more than 2007-13-01 and less than 2007-17-01"
或 "search all items where date is between 2007-13-01 and 2007-17-01"

目前我只能使用 GreaterTranFilter 或 LessThanFilter 进行搜索,但不能同时使用两者。

class MyObject extends DataObject {
    private static $db = [
        "Date" => "Date",
    ];
    private static $summary_fields = [
        "Date" => "Date",
    ];

    private static $searchable_fields = [
        "Date" => [
            "field" => "DateField",
            "filter" => "GreaterThanFilter",
            "title" => 'Date from ...'
        ],
    ];
}

此外,搜索字段必须使用日历(日期选择器)

DateField:
  default_config:
    showcalendar: true

能否举例说明如何按日期范围搜索?

有一个 WithinRangeFilter,但如果您仅使用配置,它不会让您走得太远。这是您真正需要在程序上实现的东西。

通过重载 getSearchContext() 添加范围过滤器,然后重载 getList() 并检查日期范围的 q 请求参数,并将它们应用于列表。

public function getSearchContext()
{
    $context = parent::getSearchContext();
    $context->getFields()->push(DateField::create('q[Start]','Start'));
    $context->getFields()->push(DateField::create('q[End]','End'));

    return $context;
}

public function getList()
{
    $list = parent::getList();
    $params = $this->getRequest()->requestVar('q');

    $filters = [];
    if(isset($params['Start'])) {
        $filters['Date:LessThanOrEqual'] = $params['Start'];
    }
    if(isset($params['End'])) {
        $filters['Date:GreaterThanOrEqual'] = $params['End'];
    }

    return $list->filter($filters);
}