Go
Go
Outlook -- Search Multiple Folders
See more Outlook Examples
I don't yet see how it's possible to do a recursive search of Outlook folders using the Microsoft Graph API. My best guess is to somehow use OData v4.0's $expand query option, but the hierarchical structure of the "mailFolder" and "messages" Microsoft Graph resources don't quite fit. Suggestions are welcome and can be sent to support@chilkatsoft.com.This example will iterate over a list of folder previously obtained by a recursive traversal of the Outlook mail folders. (See the link in the example code below.)
A separate search is performed on each desired folder, and the results are combined into a single result set.
Note: This example requires Chilkat v9.5.0.68 or greater.
This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com
Chilkat Go Downloads
success := false
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http := chilkat.NewHttp()
// 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.SetAuthToken("MICROSOFT_GRAPH_ACCESS_TOKEN")
// This example will iterate over the folders previously discovered by recursively traversing the Outlook folders
// as shown in this example: Outlook Recursive Folder Traversal)
// The XML map produced by the recursive traversal looks like this:
// <?xml version="1.0" encoding="utf-8"?>
// <hashtable>
// <e><k>/Sent Items</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEJAAAA</v></e>
// <e><k>/Inbox</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA</v></e>
// <e><k>/Junk Email</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEiAAAA</v></e>
// <e><k>/Inbox/xyz</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwEAAAA=</v></e>
// <e><k>/Inbox/abc/subFolderA/a</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwIAAAA=</v></e>
// <e><k>/Inbox/abc</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAAA=</v></e>
// <e><k>/Outbox</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgELAAAA</v></e>
// <e><k>/Inbox/abc/subFolderA</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwAAAQ==</v></e>
// <e><k>/Inbox/abc/subFolderB</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwMAAAA=</v></e>
// <e><k>/Archive</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAG8XunwAAAA=</v></e>
// <e><k>/Deleted Items</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEKAAAA</v></e>
// <e><k>/Drafts</k><v>AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA</v></e>
// </hashtable>
// We'll iterate over the folders, and search all folders beginning with "/Inbox" (effectively, we're recursively searching
// everything under Inbox)
xmlMap := chilkat.NewXml()
success = xmlMap.LoadXmlFile("qa_data/outlook/folderMap.xml")
if success != true {
fmt.Println("Failed to load XML folder map.")
http.DisposeHttp()
xmlMap.DisposeXml()
return
}
// We're going to return just the message id, subject, and FROM name/address.
http.SetUrlVar("select","id,subject,from")
// Our search will be for emails with the word "sample" in the subject.
http.SetUrlVar("filter","contains(subject,'sample')")
json := chilkat.NewJsonObject()
json.SetEmitCompact(false)
jsonCombined := chilkat.NewJsonObject()
jsonCombined.SetEmitCompact(false)
sbResponse := chilkat.NewStringBuilder()
sbPath := chilkat.NewStringBuilder()
numFolders := xmlMap.NumChildren()
i := 0
j := 0
k := 0
for i < numFolders {
xmlMap.SetI(i)
sbPath.SetString(*xmlMap.GetChildContent("e[i]|k"))
if sbPath.StartsWith("/Inbox",true) == true {
fmt.Println("------------------------------------------------------------------")
fmt.Println("Searching ", *sbPath.GetAsString())
// Search this mail folder..
http.SetUrlVar("folder_id",*xmlMap.GetChildContent("e[i]|v"))
sbResponse.Clear()
success = http.QuickGetSb("https://graph.microsoft.com/v1.0/me/mailFolders/{$folder_id}/messages?$filter={$filter}&$select={$select}",sbResponse)
if (success != true) && (http.LastStatus() == 0) {
fmt.Println(http.LastErrorText())
http.DisposeHttp()
xmlMap.DisposeXml()
json.DisposeJsonObject()
jsonCombined.DisposeJsonObject()
sbResponse.DisposeStringBuilder()
sbPath.DisposeStringBuilder()
return
}
json.LoadSb(sbResponse)
if http.LastStatus() != 200 {
fmt.Println("HTTP response status = ", http.LastStatus())
fmt.Println(*json.Emit())
fmt.Println("Failed.")
http.DisposeHttp()
xmlMap.DisposeXml()
json.DisposeJsonObject()
jsonCombined.DisposeJsonObject()
sbResponse.DisposeStringBuilder()
sbPath.DisposeStringBuilder()
return
}
fmt.Println(*json.Emit())
// Each mail folder search will return JSON with a value array, which is non-empty if any matching messages were found:
// {
// "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(id,subject,from)",
// "value": [
// Individual messages, if any, are listed here.
// ]
// }
numMessages := json.SizeOfArray("value")
j = 0
for j < numMessages {
json.SetJ(j)
// Add this message to the final result set.
jsonCombined.SetK(k)
jsonCombined.UpdateString("value[k].folderPath",*sbPath.GetAsString())
jsonCombined.UpdateString("value[k].id",*json.StringOf("value[j].id"))
jsonCombined.UpdateString("value[k].subject",*json.StringOf("value[j].subject"))
jsonCombined.UpdateString("value[k].from.emailAddress.name",*json.StringOf("value[j].from.emailAddress.name"))
jsonCombined.UpdateString("value[k].from.emailAddress.address",*json.StringOf("value[j].from.emailAddress.address"))
k = k + 1
j = j + 1
}
}
i = i + 1
}
// Show the final combined JSON search result.
fmt.Println("------------------------------------------------------------------")
fmt.Println("Combined Search Results:")
fmt.Println(*jsonCombined.Emit())
// Sample output for the above program:
// ------------------------------------------------------------------
// Searching /Inbox
// {
// "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA')/messages(id,subject,from)",
// "value": [
// {
// "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpwfr\"",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj10AAAA=",
// "subject": "A sample email with Amazon in the body",
// "from": {
// "emailAddress": {
// "name": "Chilkat Software",
// "address": "support@chilkatsoft.com"
// }
// }
// }
// ]
// }
//
// ------------------------------------------------------------------
// Searching /Inbox/xyz
// {
// "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwEAAAA%3D')/messages(id,subject,from)",
// "value": [
// ]
// }
//
// ------------------------------------------------------------------
// Searching /Inbox/abc/subFolderA/a
// {
// "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwIAAAA%3D')/messages(id,subject,from)",
// "value": [
// {
// "@odata.etag": "W/\"CQAAABYAAADn68XtMop0TpsYJGpfKXY9AADOpzfb\"",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwIAAADn68XtMop0TpsYJGpfKXY9AAAAzombFQAAAA==",
// "subject": "Sample email from admin@chilkat.io",
// "from": {
// "emailAddress": {
// "name": "Chilkat Software",
// "address": "admin@chilkat.io"
// }
// }
// }
// ]
// }
//
// ------------------------------------------------------------------
// Searching /Inbox/abc
// {
// "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAAA%3D')/messages(id,subject,from)",
// "value": [
// ]
// }
//
// ------------------------------------------------------------------
// Searching /Inbox/abc/subFolderA
// {
// "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwAAAQ%3D%3D')/messages(id,subject,from)",
// "value": [
// ]
// }
//
// ------------------------------------------------------------------
// Searching /Inbox/abc/subFolderB
// {
// "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/mailFolders('AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwMAAAA%3D')/messages(id,subject,from)",
// "value": [
// ]
// }
//
// ------------------------------------------------------------------
// Combined Search Results:
// {
// "value": [
// {
// "folderPath": "/Inbox",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA5_vF7TKKdE6bGCRqXyl2PQAAAM6Jj10AAAA=",
// "subject": "A sample email with Amazon in the body",
// "from": {
// "emailAddress": {
// "name": "Chilkat Software",
// "address": "support@chilkatsoft.com"
// }
// }
// },
// {
// "folderPath": "/Inbox/abc/subFolderA/a",
// "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwIAAADn68XtMop0TpsYJGpfKXY9AAAAzombFQAAAA==",
// "subject": "Sample email from admin@chilkat.io",
// "from": {
// "emailAddress": {
// "name": "Chilkat Software",
// "address": "admin@chilkat.io"
// }
// }
// }
// ]
// }
//
http.DisposeHttp()
xmlMap.DisposeXml()
json.DisposeJsonObject()
jsonCombined.DisposeJsonObject()
sbResponse.DisposeStringBuilder()
sbPath.DisposeStringBuilder()