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(SQL Server) Outlook -- Create Map of Folder Paths to IDs

Recursively descends folders and creates a hashtable of folder paths to IDs. This can be done once at the start of your program (or even less if the map is persisted to a file or database).

The reason this is necessary is because folder ID's need to be passed to the Outlook API, and an application will typically be working with folder paths.

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

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

// Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
//
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- Our folder path --> ID map will be stored in this hash table.
    DECLARE @folderMap int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Hashtable', @folderMap OUT

    -- 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).

    EXEC sp_OASetProperty @http, 'AuthToken', 'MICROSOFT_GRAPH_ACCESS_TOKEN'

    DECLARE @sbResponse int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbResponse OUT

    -- Begin by getting the top-level folders.
    EXEC sp_OAMethod @http, 'ClearUrlVars', NULL
    DECLARE @success int
    EXEC sp_OAMethod @http, 'SetUrlVar', @success OUT, 'userPrincipalName', 'chilkatsoft@outlook.com'
    DECLARE @success int
    EXEC sp_OAMethod @http, 'QuickGetSb', @success OUT, 'https://graph.microsoft.com/v1.0/users/{$userPrincipalName}/mailFolders', @sbResponse
    EXEC sp_OAGetProperty @http, 'LastStatus', @iTmp0 OUT
    IF (@success <> 1) and (@iTmp0 = 0)
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @folderMap
        EXEC @hr = sp_OADestroy @sbResponse
        RETURN
      END

    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @json OUT

    EXEC sp_OAMethod @json, 'LoadSb', @success OUT, @sbResponse
    EXEC sp_OASetProperty @json, 'EmitCompact', 0


    EXEC sp_OAGetProperty @http, 'LastStatus', @iTmp0 OUT
    PRINT 'Status code = ' + @iTmp0
    EXEC sp_OAGetProperty @http, 'LastStatus', @iTmp0 OUT
    IF @iTmp0 <> 200
      BEGIN
        EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed.'
      END

    -- This is our queue/stack of unprocessed folder ID's
    -- The recursive nature of this example is that we get the 
    -- child folders for each folder ID in the idQueue, which may
    -- cause additional ID's to be added.  We continue  until the idQueue
    -- is empty.
    DECLARE @idQueue int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringArray', @idQueue OUT

    DECLARE @sbFolderPath int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbFolderPath OUT

    DECLARE @sbQueueEntry int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbQueueEntry OUT

    DECLARE @folderName nvarchar(4000)

    DECLARE @folderPath nvarchar(4000)

    DECLARE @folderId nvarchar(4000)

    -- Prime the map and idQueue with the top-level folders.
    DECLARE @i int
    SELECT @i = 0
    DECLARE @numFolders int
    EXEC sp_OAMethod @json, 'SizeOfArray', @numFolders OUT, 'value'
    WHILE @i < @numFolders
      BEGIN
        EXEC sp_OASetProperty @json, 'I', @i
        EXEC sp_OAMethod @json, 'StringOf', @folderName OUT, 'value[i].displayName'
        EXEC sp_OAMethod @json, 'StringOf', @folderId OUT, 'value[i].id'
        EXEC sp_OAMethod @sbFolderPath, 'SetString', @success OUT, '/'
        EXEC sp_OAMethod @sbFolderPath, 'Append', @success OUT, @folderName
        EXEC sp_OAMethod @sbFolderPath, 'GetAsString', @folderPath OUT
        EXEC sp_OAMethod @folderMap, 'AddStr', @success OUT, @folderPath, @folderId


        PRINT @folderPath + ' --> ' + @folderId

        -- Push the folder path + id onto the idQueue.
        EXEC sp_OAMethod @sbQueueEntry, 'Clear', NULL
        EXEC sp_OAMethod @sbQueueEntry, 'SetNth', @success OUT, 0, @folderPath, '|', 0, 0
        EXEC sp_OAMethod @sbQueueEntry, 'SetNth', @success OUT, 1, @folderId, '|', 0, 0
        EXEC sp_OAMethod @sbQueueEntry, 'GetAsString', @sTmp0 OUT
        EXEC sp_OAMethod @idQueue, 'Append', @success OUT, @sTmp0
        SELECT @i = @i + 1
      END

    -- Initial output:
    -- /Archive --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAG8XunwAAAA=
    -- /Deleted Items --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEKAAAA
    -- /Drafts --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA
    -- /Inbox --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA
    -- /Junk Email --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEiAAAA
    -- /Outbox --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgELAAAA
    -- /Sent Items --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEJAAAA
    -- 

    -- Process the idQueue until it becomes empty.  This is the recursive loop.
    DECLARE @parentFolderPath nvarchar(4000)

    DECLARE @parentFolderId nvarchar(4000)

    EXEC sp_OAGetProperty @idQueue, 'Length', @iTmp0 OUT
    WHILE @iTmp0 > 0
      BEGIN
        EXEC sp_OAMethod @idQueue, 'GetString', @sTmp0 OUT, 0
        EXEC sp_OAMethod @sbQueueEntry, 'SetString', @success OUT, @sTmp0
        EXEC sp_OAMethod @idQueue, 'RemoveAt', @success OUT, 0

        EXEC sp_OAMethod @sbQueueEntry, 'GetNth', @parentFolderPath OUT, 0, '|', 0, 0
        EXEC sp_OAMethod @sbQueueEntry, 'GetNth', @parentFolderId OUT, 1, '|', 0, 0

        EXEC sp_OAMethod @http, 'SetUrlVar', @success OUT, 'id', @parentFolderId
        EXEC sp_OAMethod @http, 'QuickGetSb', @success OUT, 'https://graph.microsoft.com/v1.0/users/{$userPrincipalName}/mailFolders/{$id}/childFolders', @sbResponse
        EXEC sp_OAGetProperty @http, 'LastStatus', @iTmp0 OUT
        IF (@success <> 1) and (@iTmp0 = 0)
          BEGIN
            EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
            EXEC @hr = sp_OADestroy @http
            EXEC @hr = sp_OADestroy @folderMap
            EXEC @hr = sp_OADestroy @sbResponse
            EXEC @hr = sp_OADestroy @json
            EXEC @hr = sp_OADestroy @idQueue
            EXEC @hr = sp_OADestroy @sbFolderPath
            EXEC @hr = sp_OADestroy @sbQueueEntry
            RETURN
          END

        EXEC sp_OAMethod @json, 'LoadSb', @success OUT, @sbResponse
        EXEC sp_OAGetProperty @http, 'LastStatus', @iTmp0 OUT
        IF @iTmp0 <> 200
          BEGIN

            EXEC sp_OAGetProperty @http, 'LastStatus', @iTmp0 OUT
            PRINT 'Status code = ' + @iTmp0
            EXEC sp_OAMethod @json, 'Emit', @sTmp0 OUT
            PRINT @sTmp0

            PRINT 'Failed.'
          END

        SELECT @i = 0
        EXEC sp_OAMethod @json, 'SizeOfArray', @numFolders OUT, 'value'
        WHILE @i < @numFolders
          BEGIN
            EXEC sp_OASetProperty @json, 'I', @i
            EXEC sp_OAMethod @json, 'StringOf', @folderName OUT, 'value[i].displayName'
            EXEC sp_OAMethod @json, 'StringOf', @folderId OUT, 'value[i].id'
            EXEC sp_OAMethod @sbFolderPath, 'SetString', @success OUT, @parentFolderPath
            EXEC sp_OAMethod @sbFolderPath, 'Append', @success OUT, '/'
            EXEC sp_OAMethod @sbFolderPath, 'Append', @success OUT, @folderName
            EXEC sp_OAMethod @sbFolderPath, 'GetAsString', @folderPath OUT
            EXEC sp_OAMethod @folderMap, 'AddStr', @success OUT, @folderPath, @folderId


            PRINT @folderPath + ' --> ' + @folderId

            -- Push the folder path + id onto the idQueue.
            EXEC sp_OAMethod @sbQueueEntry, 'Clear', NULL
            EXEC sp_OAMethod @sbQueueEntry, 'SetNth', @success OUT, 0, @folderPath, '|', 0, 0
            EXEC sp_OAMethod @sbQueueEntry, 'SetNth', @success OUT, 1, @folderId, '|', 0, 0
            EXEC sp_OAMethod @sbQueueEntry, 'GetAsString', @sTmp0 OUT
            EXEC sp_OAMethod @idQueue, 'Append', @success OUT, @sTmp0
            SELECT @i = @i + 1
          END

      END

    -- The hash table of mail folder paths --> ID's can be persisted to XML and saved to a file or database (or anywhere..)
    DECLARE @sbFolderMapXml int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbFolderMapXml OUT

    EXEC sp_OAMethod @folderMap, 'ToXmlSb', @success OUT, @sbFolderMapXml
    EXEC sp_OAMethod @sbFolderMapXml, 'WriteFile', @success OUT, 'qa_data/outlook/folderMap.xml', 'utf-8', 0

    -- The hash table can be restored from the serialized XML like this:
    DECLARE @ht2 int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Hashtable', @ht2 OUT

    DECLARE @sb2 int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sb2 OUT

    EXEC sp_OAMethod @sb2, 'LoadFile', @success OUT, 'qa_data/outlook/folderMap.xml', 'utf-8'
    EXEC sp_OAMethod @ht2, 'AddFromXmlSb', @success OUT, @sb2

    -- What's the ID for the folder "/Inbox/abc/subFolderA" ?

    EXEC sp_OAMethod @ht2, 'LookupStr', @sTmp0 OUT, '/Inbox/abc/subFolderA'
    PRINT 'id for /Inbox/abc/subFolderA = ' + @sTmp0

    -- Final output:

    -- /Archive --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAG8XunwAAAA=
    -- /Deleted Items --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEKAAAA
    -- /Drafts --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEPAAAA
    -- /Inbox --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEMAAAA
    -- /Junk Email --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEiAAAA
    -- /Outbox --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgELAAAA
    -- /Sent Items --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAgEJAAAA
    -- /Inbox/abc --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huv8AAAA=
    -- /Inbox/xyz --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwEAAAA=
    -- /Inbox/abc/subFolderA --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwAAAQ==
    -- /Inbox/abc/subFolderB --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwMAAAA=
    -- /Inbox/abc/subFolderA/a --> AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgAuAAADsVyfxjDU406Ic4X7ill8xAEA5_vF7TKKdE6bGCRqXyl2PQAAAL8huwIAAAA=
    -- 

    -- ------------------------------------------------------------------------------------------------------
    -- This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com
    -- 
    -- The Microsoft Graph Outlook Mail API lets you read, create, and send messages and attachments, 
    -- view and respond to event messages, and manage folders that are secured by Azure Active Directory 
    -- in Office 365. It also provides the same functionality in Microsoft accounts specifically 
    -- in these domains: Hotmail.com, Live.com, MSN.com, Outlook.com, and Passport.com.

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @folderMap
    EXEC @hr = sp_OADestroy @sbResponse
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @idQueue
    EXEC @hr = sp_OADestroy @sbFolderPath
    EXEC @hr = sp_OADestroy @sbQueueEntry
    EXEC @hr = sp_OADestroy @sbFolderMapXml
    EXEC @hr = sp_OADestroy @ht2
    EXEC @hr = sp_OADestroy @sb2


END
GO

 

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