SQL Server

Fetch Oldest/Newest IMAP Email

Emails may be downloaded by sequence number. Assuming the selected mailbox is not empty, the oldest email is at sequence number 1, and the newest email is at sequence number N. The FetchSingle method may be used to download by sequence number. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

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

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

    -- Connect to an IMAP server.
    -- Use TLS
    EXEC sp_OASetProperty @imap, 'Ssl', 1
    EXEC sp_OASetProperty @imap, 'Port', 993
    EXEC sp_OAMethod @imap, 'Connect', @success OUT, 'mail.testemail.net'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Login
    EXEC sp_OAMethod @imap, 'Login', @success OUT, '***', '***'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- Select an IMAP mailbox
    EXEC sp_OAMethod @imap, 'SelectMailbox', @success OUT, 'Inbox'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @imap
        RETURN
      END

    -- After selecting a mailbox, the NumMessages property
    -- contains the number of emails in the selected mailbox.
    DECLARE @n int

    EXEC sp_OAGetProperty @imap, 'NumMessages', @n OUT

    IF @n > 0
      BEGIN

        -- The oldest email is always at sequence number 1.
        DECLARE @isUid int
        SELECT @isUid = 0

        DECLARE @oldestEmail int
        EXEC @hr = sp_OACreate 'Chilkat.Email', @oldestEmail OUT

        EXEC sp_OAMethod @imap, 'FetchEmail', @success OUT, 0, 1, @isUid, @oldestEmail
        IF @success = 0
          BEGIN
            EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
            EXEC @hr = sp_OADestroy @imap
            EXEC @hr = sp_OADestroy @oldestEmail
            RETURN
          END

        -- Display the From and Subject
        EXEC sp_OAGetProperty @oldestEmail, 'FromAddress', @sTmp0 OUT
        PRINT @sTmp0
        EXEC sp_OAGetProperty @oldestEmail, 'Subject', @sTmp0 OUT
        PRINT @sTmp0


        PRINT '--'

        -- The newest email is at sequence number N:
        DECLARE @newestEmail int
        EXEC @hr = sp_OACreate 'Chilkat.Email', @newestEmail OUT

        EXEC sp_OAMethod @imap, 'FetchEmail', @success OUT, 0, @n, @isUid, @newestEmail
        IF @success = 0
          BEGIN
            EXEC sp_OAGetProperty @imap, 'LastErrorText', @sTmp0 OUT
            PRINT @sTmp0
            EXEC @hr = sp_OADestroy @imap
            EXEC @hr = sp_OADestroy @oldestEmail
            EXEC @hr = sp_OADestroy @newestEmail
            RETURN
          END

        -- Display the From and Subject
        EXEC sp_OAGetProperty @newestEmail, 'FromAddress', @sTmp0 OUT
        PRINT @sTmp0
        EXEC sp_OAGetProperty @newestEmail, 'Subject', @sTmp0 OUT
        PRINT @sTmp0

      END

    -- Disconnect from the IMAP server.
    EXEC sp_OAMethod @imap, 'Disconnect', @success OUT

    EXEC @hr = sp_OADestroy @imap
    EXEC @hr = sp_OADestroy @oldestEmail
    EXEC @hr = sp_OADestroy @newestEmail


END
GO