(SQL Server) SendGrid -- Send Email with Attachment

See more SendGrid Examples

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://sendgrid.com/docs/for-developers/sending-email/curl-examples/#sending-a-basic-email-with-attachment

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

    -- Implements the following CURL command:

    -- curl --request POST \
    --   --url https://api.sendgrid.com/v3/mail/send \
    --   --header 'authorization: Bearer YOUR_API_KEY' \
    --   --header 'Content-Type: application/json' \
    --   --data '{"personalizations": [{"to": [{"email": "recipient@example.com"}]}],"from": {"email": "sender@example.com"},"subject":"Hello, World!","content": [{"type": "text/html","value": "Hey,<br>Please find attachment."}], "attachments": [{"content": "BASE64_ENCODED_CONTENT", "type": "text/plain", "filename": "attachment.txt"}]}'

    -- Use the following online tool to generate HTTP code from a CURL command
    -- Convert a cURL Command to HTTP Source Code

    -- Use this online tool to generate code from sample JSON:
    -- Generate Code to Create JSON

    -- The following JSON is sent in the request body.

    -- {
    --   "personalizations": [
    --     {
    --       "to": [
    --         {
    --           "email": "recipient@example.com"
    --         }
    --       ]
    --     }
    --   ],
    --   "from": {
    --     "email": "sender@example.com"
    --   },
    --   "subject": "Hello, World!",
    --   "content": [
    --     {
    --       "type": "text/html",
    --       "value": "Hey,<br>Please find attachment."
    --     }
    --   ],
    --   "attachments": [
    --     {
    --       "content": "BASE64_ENCODED_CONTENT",
    --       "type": "text/plain",
    --       "filename": "attachment.txt"
    --     }
    --   ]
    -- }

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

    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'personalizations[0].to[0].email', 'recipient@example.com'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'from.email', 'sender@example.com'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'subject', 'Hello, World!'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'content[0].type', 'text/html'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'content[0].value', 'Hey,<br>Please find attachment.'

    -- Load a file to be attached.
    DECLARE @bd int
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @bd OUT

    EXEC sp_OAMethod @bd, 'LoadFile', @success OUT, 'qa_data/pdf/hello.pdf'

    EXEC sp_OAMethod @bd, 'GetEncoded', @sTmp0 OUT, 'base64'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'attachments[0].content', @sTmp0
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'attachments[0].type', 'application/pdf'
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'attachments[0].filename', 'hello.pdf'

    -- Adds the "Authorization: Bearer YOUR_API_KEY" header.
    EXEC sp_OASetProperty @http, 'AuthToken', 'YOUR_API_KEY'

    DECLARE @resp int
    EXEC @hr = sp_OACreate 'Chilkat.HttpResponse', @resp OUT

    EXEC sp_OAMethod @http, 'HttpJson', @success OUT, 'POST', 'https://api.sendgrid.com/v3/mail/send', @json, 'application/json', @resp
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @bd
        EXEC @hr = sp_OADestroy @resp
        RETURN
      END

    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @resp, 'StatusCode', @respStatusCode OUT

    PRINT 'Response Status Code = ' + @respStatusCode
    IF @respStatusCode <> 202
      BEGIN

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @resp, 'Header', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Response Body:'
        EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @bd
        EXEC @hr = sp_OADestroy @resp
        RETURN
      END

    PRINT 'Success.'

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @bd
    EXEC @hr = sp_OADestroy @resp


END
GO