Мои документы в коллекции:
/* 1 createdAt:4/22/2019, 4:53:32 PM*/
{
"_id" : ObjectId("5cbdab3c9bd57541040342a1"),
"created_on" : "2017-03-07T21:07:04.778Z",
"feature" : "Source",
"feature_option" : "write",
"icon" : "fa fa-plus",
"is_deleted" : false,
"level" : 2,
"modified_on" : "2017-03-07T21:07:04.778Z",
"name" : "Read",
"parent_feature" : "Contact"
},
/* 2 createdAt:4/22/2019, 4:52:58 PM*/
{
"_id" : ObjectId("5cbdab1a9bd575410403429f"),
"created_on" : "2017-03-07T21:07:04.778Z",
"feature" : "Source",
"feature_option" : "read",
"icon" : "fa fa-plus",
"is_deleted" : false,
"level" : 2,
"modified_on" : "2017-03-07T21:07:04.778Z",
"name" : "Read",
"parent_feature" : "Contact"
},
/* 3 createdAt:5/9/2018, 8:41:42 PM*/
{
"_id" : ObjectId("5af316b6141292374cbf363b"),
"created_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"feature" : "Survey",
"feature_option" : "delete",
"icon" : "fa fa-plus",
"is_deleted" : false,
"level" : 2,
"modified_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"name" : "Delete",
"feature_id" : "1",
"parent_feature" : null
},
/* 4 createdAt:5/9/2018, 8:41:42 PM*/
{
"_id" : ObjectId("5af316b6141292374cbf363a"),
"created_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"feature" : "Survey",
"feature_option" : "edit",
"icon" : "fa fa-plus",
"is_deleted" : false,
"level" : 2,
"modified_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"name" : "Edit",
"feature_id" : "1",
"parent_feature" : null
},
/* 5 createdAt:5/9/2018, 8:41:42 PM*/
{
"_id" : ObjectId("5af316b6141292374cbf3639"),
"created_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"feature" : "Survey",
"feature_option" : "write",
"icon" : "fa fa-plus",
"is_deleted" : false,
"level" : 2,
"modified_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"name" : "Write",
"parent_feature" : null
},
/* 6 createdAt:5/9/2018, 8:41:42 PM*/
{
"_id" : ObjectId("5af316b6141292374cbf3638"),
"created_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"feature" : "Survey",
"feature_option" : "read",
"icon" : "fa fa-plus",
"is_deleted" : false,
"level" : 2,
"modified_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"name" : "Read",
"parent_feature" : null
},
/* 7 createdAt:5/9/2018, 8:41:27 PM*/
{
"_id" : ObjectId("5af316a7141292374cbf3637"),
"created_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"feature" : "Contact",
"feature_option" : "delete",
"icon" : "fa fa-plus",
"is_deleted" : false,
"level" : 2,
"modified_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"name" : "Delete",
"parent_feature" : "Survey"
},
/* 8 createdAt:5/9/2018, 8:41:27 PM*/
{
"_id" : ObjectId("5af316a7141292374cbf3636"),
"created_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"feature" : "Contact",
"feature_option" : "edit",
"icon" : "fa fa-plus",
"is_deleted" : false,
"level" : 2,
"modified_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"name" : "Edit",
"parent_feature" : "Survey"
},
/* 9 createdAt:5/9/2018, 8:41:27 PM*/
{
"_id" : ObjectId("5af316a7141292374cbf3635"),
"created_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"feature" : "Contact",
"feature_option" : "write",
"icon" : "fa fa-plus",
"is_deleted" : false,
"level" : 2,
"modified_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"name" : "Write",
"parent_feature" : "Survey"
},
/* 10 createdAt:5/9/2018, 8:41:27 PM*/
{
"_id" : ObjectId("5af316a7141292374cbf3634"),
"created_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"feature" : "Contact",
"feature_option" : "read",
"icon" : "fa fa-plus",
"is_deleted" : false,
"level" : 2,
"modified_on" : ISODate("2017-03-08T02:07:04.778+05:00"),
"name" : "Read",
"parent_feature" : "Survey"
}
Мой текущий конвейер агрегации
db.feature2.aggregate([
{
$group: {
_id: {
parent: "$parent_feature",
feature: "$feature"
},
features: { $push: "$feature_option" }
}
},
{
$group: {
_id: "$_id.parent",
features: { $push: { name: "$_id.feature", feature: "$features" } }
}
},
{
$project: {
_id: 0,
parent: "$_id",
features: 1
}
}
]);
Мой текущий вывод:
/* 1 */
{
"features" : [
{
"name" : "Survey",
"feature" : [
"read",
"write",
"edit",
"delete"
]
}
],
"parent" : null
},
/* 2 */
{
"features" : [
{
"name" : "Source",
"feature" : [
"read",
"write"
]
}
],
"parent" : "Contact"
},
/* 3 */
{
"features" : [
{
"name" : "Contact",
"feature" : [
"read",
"write",
"edit",
"delete"
]
}
],
"parent" : "Survey"
}
Мой желаемый вывод:
/* 1 */
{
"features" : [
{
"name" : "Survey",
"feature" : [
"read",
"write",
"edit",
"delete"
],
children:[
{
"name" : "Contact",
"feature" : [
"read",
"write",
"edit",
"delete"
],
children:[
{
"name" : "Source",
"feature" : [
"read",
"write"
]
}
]
}
]
}
],
"parent" : null
}
Я работал над этим некоторое время, я пробовал разные вещи, но не смог добиться успеха. в моих данных есть связь с родителями и детьми. Что я хочу, так это то, что Main parent (чей родитель имеет значение null означает, что у него нет родителя) находится сверху, а затем я хочу массив дочерних элементов внутри каждого из родителей. Заранее спасибо!