У меня есть готовый API, который возвращает следующий ответ json.
Ответ:
{
"success": true,
"conversation": [{
"id": 37,
"type": "1",
"name": "Sonali",
"created_at": "2019-02-18 13:26:10",
"updated_at": "2019-02-18 20:32:54",
"unread_count": 2,
"chat": {
"id": 357,
"conversation_id": "23",
"type": "text",
"sender_id": "37",
"receiver_id": "39",
"data": "{\"text\":\"hello....\"}",
"delivered_at": "2019-02-20 13:25:27",
"seen_at": null,
"created_at": "2019-02-20 13:25:10",
"updated_at": "2019-02-20 13:25:27",
"sender_name": "Sonali"
}
},
{
"id": 38,
"type": "1",
"name": "Raviraj",
"created_at": "2019-02-18 20:23:55",
"updated_at": "2019-02-18 20:32:47",
"unread_count": 0,
"chat": {
"id": 354,
"conversation_id": "22",
"type": "text",
"sender_id": "39",
"receiver_id": "38",
"data": "{\"text\":\"hey....\"}",
"delivered_at": null,
"seen_at": null,
"created_at": "2019-02-20 13:24:35",
"updated_at": "2019-02-20 13:24:35",
"sender_name": "Nitesh Kesarkar"
}
},
{
"id": 27,
"type": "1",
"name": "Rakesh",
"created_at": "2019-02-01 10:48:19",
"updated_at": "2019-02-07 11:35:10",
"unread_count": 1,
"chat": {
"id": 358,
"conversation_id": "21",
"type": "text",
"sender_id": "27",
"receiver_id": "39",
"data": "{\"text\":\"hello\"}",
"delivered_at": "2019-02-20 13:25:27",
"seen_at": null,
"created_at": "2019-02-20 13:25:24",
"updated_at": "2019-02-20 13:25:27",
"sender_name": "Rakesh Patil"
}
}
]
}
Этот ответ состоит из списка пользователей и связанного с ним последнего сообщения чата для текущего пользователя.Я хочу сначала отсортировать эту коллекцию по последнему сообщению.Как я могу это сделать?
Сортировка должна основываться на поле chat.created_at
.
Ожидаемый результат:
{
"success": true,
"conversation": [
{
"id": 27,
"type": "1",
"name": "Rakesh",
"created_at": "2019-02-01 10:48:19",
"updated_at": "2019-02-07 11:35:10",
"unread_count": 1,
"chat": {
"id": 358,
"conversation_id": "21",
"type": "text",
"sender_id": "27",
"receiver_id": "39",
"data": "{\"text\":\"hello\"}",
"delivered_at": "2019-02-20 13:25:27",
"seen_at": null,
"created_at": "2019-02-20 13:25:24",
"updated_at": "2019-02-20 13:25:27",
"sender_name": "Rakesh Patil"
}
},
{
"id": 37,
"type": "1",
"name": "Sonali",
"created_at": "2019-02-18 13:26:10",
"updated_at": "2019-02-18 20:32:54",
"unread_count": 2,
"chat": {
"id": 357,
"conversation_id": "23",
"type": "text",
"sender_id": "37",
"receiver_id": "39",
"data": "{\"text\":\"hello....\"}",
"delivered_at": "2019-02-20 13:25:27",
"seen_at": null,
"created_at": "2019-02-20 13:25:10",
"updated_at": "2019-02-20 13:25:27",
"sender_name": "Sonali"
}
},
{
"id": 38,
"type": "1",
"name": "Raviraj",
"created_at": "2019-02-18 20:23:55",
"updated_at": "2019-02-18 20:32:47",
"unread_count": 0,
"chat": {
"id": 354,
"conversation_id": "22",
"type": "text",
"sender_id": "39",
"receiver_id": "38",
"data": "{\"text\":\"hey....\"}",
"delivered_at": null,
"seen_at": null,
"created_at": "2019-02-20 13:24:35",
"updated_at": "2019-02-20 13:24:35",
"sender_name": "Nitesh Kesarkar"
}
}
]
}
ОБНОВЛЕНИЕ : добавлениеэти строки работали как положено.Спасибо @ JCode
$sorted = $chats->sortByDesc('chat.created_at');
$chats = $sorted->values()->all();