(Swift 2) Outlook -- List Attachments for a Specific Message

Demonstrates how to list the attachments for a particular email message.

Note: This example requires Chilkat v9.5.0.67 or greater.

This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com

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func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let http = CkoHttp()

    // 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).

    http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN"

    let sbResponse = CkoStringBuilder()

    // Sends:  GET /users/{user_id | userPrincipalName}/messages/{message_id}/attachments
    // Note: It is also possible to use the literal string "me" for the current logged-on user.
    // For example: GET /me/messages/{message_id}/attachments

    http.ClearUrlVars()
    http.SetUrlVar("userPrincipalName", value: "chilkatsoft@outlook.com")

    // Assume we already have a message ID from previously listing the messages in a folder
    var messageId: String? = "AAMkADYzZWE3YmZmLWU0YzgtNGNkZC04MGE1LWFiYTFlNTRlY2QwYQBGAAAAAAAu7cUXL5YOTrdsUIw7-v8FBwBUcG0qWqkmQYqWLHQataQxAACnwqJUAABUcG0qWqkmQYqWLHQataQxAACnwrnOAAA="
    http.SetUrlVar("message_id", value: messageId)

    // Send the request to list the messages.
    var success: Bool = http.QuickGetSb("https://graph.microsoft.com/v1.0/users/{$userPrincipalName}/messages/{$message_id}/attachments", sbContent: sbResponse)
    if (success != true) && (http.LastStatus.intValue == 0) {
        print("\(http.LastErrorText)")
        return
    }

    let json = CkoJsonObject()
    json.LoadSb(sbResponse)
    json.EmitCompact = false

    print("Status code = \(http.LastStatus.intValue)")
    if http.LastStatus.intValue != 200 {
        print("\(json.Emit())")
        print("Failed.")
    }

    sbResponse.Clear()
    json.EmitSb(sbResponse)
    sbResponse.WriteFile("qa_output/attachments.txt", charset: "utf-8", emitBom: false)

    print("OK")

}