仅从集合中获取唯一项目并将其他值相加到一项

Question

我确实有这个 laravel 集合

    Collection {#239 ▼
      #items: array:2 [▼
        0 => array:21 [▼
          "dueDate" => "2017-09-29"
          "groupByCode" => "REMINDER"
          "date" => "2017-09-29"
          "number" => "9030014"
          "status" => "Reminder"
          "currencyCode" => "kr"
          "amount" => 1745.0
          "remainingAmount" => 1745.0

        ],
  2 => array:21 [▼
          "dueDate" => "2017-09-29"
          "groupByCode" => "REMINDER"
          "date" => "2017-09-29"
          "number" => "9030014"
          "status" => "Reminder"
          "currencyCode" => "kr"
          "amount" => 1345.0
          "remainingAmount" => 1745.0

        ],
        3 => array:21 [▼
          "dueDate" => "2017-09-29"
          "groupByCode" => "INVOICE"
          "date" => "2017-09-29"
          "number" => "9030026"
          "status" => "invoice"
          "currencyCode" => "kr"
          "amount" => 2389.0
          "remainingAmount" => 2389.0

        ]
      ]
    }

现在我的问题是如何根据状态仅获取唯一项目，例如上面的示例我有两个具有状态提醒的项目，而不是我想保持相同的集合格式，但作为回报只有一个状态为“提醒”的项目所有现有的键和总和将是两个提醒的总和....

我尝试使用 `where('status', ''Reminder')->first() 但不起作用，因为它只需要第一个元素。

所以输出应该是这样的：

    Collection {#239 ▼
      #items: array:2 [▼
        0 => array:21 [▼
          "dueDate" => "2017-09-29"
          "groupByCode" => "REMINDER"
          "date" => "2017-09-29"
          "number" => "9030014"
          "status" => "Reminder"
          "currencyCode" => "kr"
          "amount" => TOTAL OF BOTH REMINDERS
          "remainingAmount" => 1745.0

        ],
  2 => array:21 [▼
          "dueDate" => "2017-09-29"
          "groupByCode" => "INVOICE"
          "date" => "2017-09-29"
          "number" => "9030014"
          "status" => "Invoice"
          "currencyCode" => "kr"
          "amount" => 2312 
          "remainingAmount" => 1745.0

            ],
}

谢谢！

代码如下：

$invoices = $this->boatService->getInvoices(cleanSsn(session('ssn')));

$invoices = collect($invoices)->whereIn('status', ['Reminder', 'Invoice']); 

Answer 1

您可以进行原始查询来汇总项目并按状态对它们进行分组。试试这个：

$collection = \DB::table('invoices')
                 ->select(\DB::raw('sum(amount) as amount_total, status'))
                 ->groupBy('status')
                 ->get();