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(Ruby) OneDrive -- List Large Directory

Demonstrates how to get the entire collection of DriveItem children when the collection is large and multiple pages need to be requested. To test this example, I created a DriveItem with 450 children.

Note: This example requires Chilkat v9.5.0.68 or greater.

Chilkat Ruby Downloads

Ruby Library for Linux and MAC OS X

require 'chilkat'

#  This example requires the Chilkat API to have been previously unlocked.
#  See Global Unlock Sample for sample code.

http = Chilkat::CkHttp.new()

#  Use your previously obtained access token here:
#  See the following examples for getting an access token:
#     Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
#     Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
#     Refresh Access Token (Azure AD v2.0 Endpoint).
#     Refresh Access Token (Azure AD Endpoint).

#  (Make sure your token was obtained with the FilesRead or Files.ReadWrite scope.)
http.put_AuthToken("MICROSOFT_GRAPH_ACCESS_TOKEN")

#  This example will get the DriveItems in /lots-of-files, which has 450 children..
http.SetUrlVar("item_path","/lots-of-files")

json = Chilkat::CkJsonObject.new()
json.put_EmitCompact(false)

#  This loop will download DriveItems in sets of 50 until no more exist.
bGetMore = true
#  (Add the $top query parameter to define the page size, i.e. the max number of results to return).
nextLink = "https://graph.microsoft.com/v1.0/users/me/drive/root:{$item_path}:/children?$top=50"

while (bGetMore == true)

    #  Get the next chunk of DriveItems
    response = http.quickGetStr(nextLink)
    if (http.get_LastMethodSuccess() != true)
        print http.lastErrorText() + "\n";
        exit
    end

    #  The response should be JSON.
    json.Load(response)

    #  A successful response should return a status code of 200.
    if (http.get_LastStatus() != 200)
        print json.emit() + "\n";
        print "Response status = " + http.get_LastStatus().to_s() + "\n";
        exit
    end

    #  Iterate over the DriveItems in the JSON response:
    i = 0
    numItems = json.SizeOfArray("value")
    while i < numItems
        json.put_I(i)
        print "name: " + json.stringOf("value[i].name") + "\n";
        i = i + 1
    end

    #  If a nextLink was included in the JSON, use it to get the next set of 50 DriveItems.
    #  Otherwise, exit the loop.
    if (json.HasMember("\"@odata.nextLink\"") == true)
        nextLink = json.stringOf("\"@odata.nextLink\"")
        print "nextLink: " + nextLink + "\n";
    else
        bGetMore = false
    end

end

 

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