mongodb – How do I extend my script for an array of inputs?

I have a code that matches what I need. The codes start with a single hard-coded value for _id and the output gives me everything I need.

My problem is that I need to run this script repeatedly to retrieve the data for a set of _ids. I want to have a script that contains all _IDs. It's good that they are hard-coded.

1) I need to change this line to handle multiple IDs

var course_structure = db.modulestore.structures.find (
{"_id": ObjectId ("5123456ab8078204ef77ceaa")}). toArray ()[0]

I think it will look like $ add and remove [0]

var course_structure = db.modulestore.structures.find ({"_id": {$ in: [
ObjectId("5123456cb807821f2dac6e3a"),
ObjectId("51234561b807821f2dac6e42"),
ObjectId("5123456ab807821f2dac6e30"),
ObjectId("51234561b807821f2dac6e32")
] }}). toArray ()

2) The current output does not contain _id. I currently know the _id because I know which one is in the script. I run the script for an _id and use the output. Then repeat it. If a single execution of the script handles multiple _ids, _id must be included in the output so that I can determine which data belongs to which _id.

I do this from the command line, passing the output to a text file. I then import the text file into a relational database.

There are two sections of the issue. The block_types Sequential and Vertical section, the children subfield, is included in the output. For other block_types, the subfield is not included. This is because the child subfield exists only for these block_types.

Command:
(I skip most of my parameters)

mongo.exe MyDB C:  development  MyScript.txt> C:  development  MyOutput.json

This is the structure of my data

ROOT ARRAY
_I would
Edited on
-> BLOCKS (array of type object)
block_id
BLOCK_TYPE
definition
edit_info (object)
Edited on
Fields (object)
display name
-> CHILDREN (array type array)
-> (array of type string)
0: string
1: string

This is my current code that works correctly for a single _id

var course_structure = db.modulestore.structures.find ({"_id": ObjectId ("5123456ab8078204ef77ceaa")}). toArray ()[0]

var course_data = {
& # 39; # 39 & sequentially ;: [],
& # 39; # 39 & Vertical ;: [],
& # 39; # 39 & component ;: []
}

course structure['blocks'].forEach (function (block) {
var fields = block['fields']
    var block_type = block['block_type']
    if(['vertical', 'sequential'].indexOf (block_type)> -1) {
var block_data = {
& # 39; definition & # 39 ;: block['definition'],
& # 39; block_type & # 39;: block['block_type'],
& # 39; block_id & # 39 ;: block['block_id'],
& # 39; block_edited_on & # 39 ;: block['edit_info.edited_on'],
& # 39; display_name & # 39 ;: fields['display_name'],
"Children": fields['children']
        }
course_data[block_type].push (block_data)
}
otherwise if (['html', 'done', 'problem', 'openassessment'].indexOf (block_type)> -1) {
var fields = block['fields']
        var block_data = {
& # 39; definition & # 39 ;: block['definition'],
& # 39; block_type & # 39;: block['block_type'],
& # 39; block_id & # 39 ;: block['block_id'],
& # 39; block_edited_on & # 39 ;: block['edit_info.edited_on'],
& # 39; display_name & # 39 ;: fields['display_name']
        }
course_data['component'].push (block_data)
}
})
printjson (price data)

After some manipulations, z. For example, by changing some square brackets to curly braces, I import the data into SQL Server. This imports the block type "sequential".

choose
section = & # 39; sequential & # 39;
,[definition]
    BLOCK_TYPE
block_id
, block_edited_on
,Display name
, Child_Block_Type
, Child_Block_ID
in # JSON_Data1
from
openjson (@JSON, & # 39; $. sequential & # 39;)
With (
- id varchar (4000) & # 39; $ ._ id & # 39;
-[edited_on] datetime & # 39; $ .edited_on & # 39;
        [definition] varchar (4000) & # 39; $ .definition & # 39;
, block_type varchar (4000) & # 39; $ .block_type & # 39;
, block_id varchar (4000) & # 39; $ .block_id & # 39;
, block_edited_on varchar (4000) & # 39; $ .block_edited_on & # 39;
, display_name varchar (4000) & # 39; $ .display_name & # 39;
, Children nvarchar (max) AS JSON
) as the core
Apply cross
openjson (children)
With (
Child_Block_Type varchar (4000) & # 39; $ .child_type & # 39;
, Child_Block_ID varchar (4000) & # 39; $ .child_block_id & # 39;
) as an array

Here is a small part of the current json output that does not contain _id

{
"sequential": [
    {
        "definition" : ObjectId("51234561b807827583b64b3e"),
        "block_type" : "sequential",
        "block_id" : "3123456626004d6da21ed46cbcf22cea",
        "block_edited_on" : undefined,
        "display_name" : "Manually graded test",
        "children" : [
            [
                "vertical",
                "912345673ba648c2aefb7e7f4f511401"
            ]
        ]},

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