芭蕾舞女演员：如何用电子邮件发送附件

Question

我正在使用 wso2/gmail 包发送电子邮件通知。根据文档（https://central.ballerina.io/wso2/gmail），我们可以通过包裹发送邮件附件。但是，当我尝试将附件路径定义为参数时，出现如下错误。

incompatible types: expected 'wso2/gmail:0.9.7:AttachmentPath', found 'string'

什么是 AttachmentPath 类型？我们可以将附件路径的字符串数组解析为 AttachmentPath 吗？这是我发送邮件的功能。

import wso2/gmail;
import ballerina/io;
import ballerina/log;
import ballerina/config;
import ballerina/http;

function sendErrorLogMail(string senderEmail, string recipientEmail, string subject, string messageBody) returns boolean {
    endpoint gmail:Client gmailErrorClient {
        clientConfig:{
            auth:{
                accessToken:config:getAsString("gmailApiConfiguration.accessToken"),
                refreshToken:config:getAsString("gmailApiConfiguration.refreshToken"),
                clientId:config:getAsString("gmailApiConfiguration.clientId"),
                clientSecret:config:getAsString("gmailApiConfiguration.clientSecret")
            }
        }
    };

    gmail:MessageRequest messageRequest;
    messageRequest.recipient = recipientEmail;
    messageRequest.sender = senderEmail;
    messageRequest.subject = subject;
    messageRequest.messageBody = messageBody;
    messageRequest.contentType = gmail:TEXT_HTML;

    //What is the attachment path?
    AttachmentPath attachmentPath = "./org/wso2/logs/loginfo.txt";

    messageRequest.attachmentPaths = attachmentPath;

    var sendMessageResponse = gmailErrorClient->sendMessage(senderEmail, untaint messageRequest);
    string messageId;
    string threadId;
    match sendMessageResponse {
        (string, string) sendStatus => {
            (messageId, threadId) = sendStatus;
            log:printInfo("Sent email to " + recipientEmail + " with message Id: " + messageId + " and thread Id:"
                    + threadId);
            return true;
        }
        gmail:GmailError e => {
            log:printInfo(e.message);
            return false;
        }
    }
}

Answer 1

AttachmentPath 在 [wso2/gmail][1] 中定义为一条记录。 attachmentPaths 字段需要一个这样的 AttachmentPath 对象数组。所以下面应该有效。

gmail:AttachmentPath attachmentPath= {
        attachmentPath:"./org/wso2/logs/loginfo.txt",
        mimeType:"text/plain"
};

messageRequest.attachmentPaths = [attachmentPaths];

Answer 2

是的。正如@pasan 所提到的， AttachmentPath 是一条记录。如果有人想参考，以下是更新的代码。

function sendErrorLogMail(string senderEmail, string recipientEmail, string subject, string messageBody) returns boolean {
    endpoint gmail:Client gmailErrorClient {
        clientConfig:{
            auth:{
                accessToken:config:getAsString("gmailApiConfiguration.accessToken"),
                refreshToken:config:getAsString("gmailApiConfiguration.refreshToken"),
                clientId:config:getAsString("gmailApiConfiguration.clientId"),
                clientSecret:config:getAsString("gmailApiConfiguration.clientSecret")
            }
        }
    };

    gmail:AttachmentPath attachmentPath= {
        attachmentPath:"./org/wso2/logs/loginfo.txt",
        mimeType:"Text/plain"
    };

    gmail:MessageRequest messageRequest;
    messageRequest.recipient = recipientEmail;
    messageRequest.sender = senderEmail;
    messageRequest.subject = subject;
    messageRequest.messageBody = messageBody;
    messageRequest.contentType = gmail:TEXT_HTML;

    messageRequest.attachmentPaths = [attachmentPath];

    var sendMessageResponse = gmailErrorClient->sendMessage(senderEmail, untaint messageRequest);
    string messageId;
    string threadId;
    match sendMessageResponse {
        (string, string) sendStatus => {
            (messageId, threadId) = sendStatus;
            log:printInfo("Sent email to " + recipientEmail + " with message Id: " + messageId + " and thread Id:"
                    + threadId);
            return true;
        }
        gmail:GmailError e => {
            log:printInfo(e.message);
            return false;
        }
    }
}

芭蕾舞女演员：如何用电子邮件发送附件

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