Gmail API查找草稿的父母 [英] Gmail API find parent of a draft

问题描述

如何在Gmail中找到草稿的父母（如果存在）？

当用户回复Gmail主题中的特定邮件时，草稿直接显示在其下方。比方说，一个线程中有5条消息，草稿是在第3条回复的，该草案将始终显示为第4条消息。我正在尝试在我的应用程序中重现这一点，但是我需要一种方法来将一个草案映射到它所响应的消息中。

我一直在搜索返回的值，但找不到任何对以前的消息的引用。

如何通过API进行此操作？

编辑：

解决方案

您必须将草稿添加到同一个线程中，并确保引用和 In-Reply-To 标头符合 RFC 2822 标准，而 Subject 头匹配。

示例

我有一个线程3条消息。我想创建一个草案，这将是对第二个的回应。我得到主题， Message-ID ，参考文献 要回复的消息的头文件，线程的 threadId / p>

请求

  GET https： /www.googleapis.com/gmail/v1/users/me/messages/15a7a79ed814d9ec?format=metadata&metadataHeaders=Subject&metadataHeaders=Message-ID&metadataHeaders=References&metadataHeaders=In-Reply-To&access_token={access_token} 
  

响应

  {
id：15a7a79ed814d9ec，
threadId：15a7a79d389926b3，
labelIds：[
 UNREAD，
重要，
SENT，
INBOX
]，
snippet：Test 2 2017-02-26 13： 51 GMT + 01：00 Emil Tholin& lt; [e-mail]& gt ;: Test 1，
historyId：1138108，
internalDate：1488113495000，
payload：{
mimeType：multipart / 
 {
name：In-Reply-To，
value：\\\
}，
 {
name：References，
value：\\\
}，
 {
name：Message-ID，
value： \\\
}，
 {
name：Subject，
value：Re：Test
} 
] 
}，
sizeEstimate：1333 
} 
  

然后我只是做一个草稿，url-safe base64编码，并在线程中创建它：

  //用' - '替换'+'，用'_'替换'/'，删除尾随'='使其成为url-safe 
 var draft = btoa（[
'In -Reply-To：< CADsZLRzHC_sR6THger6gkDjJ348XbXehQ0YsFwHAh762ht216A @ mail.gmail.com> \r\\\
'，
'参考文献：  CADsZLRzQ8UQ1HJ8=YsvRv-jtpRY=[e-mail]> < [e-mail]> \r\\\
'，
'From：[e-mail] \\\
'，
'To：[e-mail] \\\\
'，
'主题：Re：Test\r\\\
'
] .join（''））。replace（/ \ + / g，' - ' ）.replace（/ \ // g，'_'）。replace（/ = + $ /，''）; 
  

请求

  POST https://www.googleapis.com/upload/gmail/v1/users/me/drafts?access_token={access_token} 
 
 {
 的消息：{
 原始： SW4tUmVwbHktVG86IDxDQURzWkxSekhDX3NSNlRIZ2VyNmdrRGpKMzQ4WGJYZWhRMFlzRndIQWg3NjJodDIxNkFAbWFpbC5nbWFpbC5jb20-DQpSZWZlcmVuY2VzOiA8Q0FEc1pMUnpROFVRMUhKOD1Zc3ZSdi1qdHBSWT1zX3dabWJMOFJ6U2JDdHc0VDVBK3ZnQG1haWwuZ21haWwuY29tPiA8Q0FEc1pMUnpIQ19zUjZUSGdlcjZna0RqSjM0OFhiWGVoUTBZc0Z3SEFoNzYyaHQyMTZBQG1haWwuZ21haWwuY29tPg0KRnJvbTogZW10aG9saW5AZ21haWwuY29tDQpUbzogZW10aG9saW5AZ21haWwuY29tDQpTdWJqZWN0OiBSZTogVGVzdA0K，
 的threadId： 15a7a79d389926b3 
} 
} 
  

结果

How can I find the parent of a draft (if it exists) in Gmail?

When the user responds to a particular message in a Gmail Thread, the draft appears directly below it. Say for example, there was 5 messages in a thread and a draft was made in reply to the 3rd one... that draft would always appear as the 4th message. I'm attempting to reproduce this in my application, but I need a way of mapping a draft to the message it is in response to if any.

I've been searching through the values returned, but cannot find any reference to previous messages.

How can I do this through the API?

Edit:

解决方案

You have to add the draft to the same thread, and make sure the References and In-Reply-To headers are in compliance with the RFC 2822 standard, and that the Subject headers match.

Example

I have a thread with 3 messages. I want to create a draft that will be a response to the second one. I get the Subject, Message-ID, References, In-Reply-To headers of the message I would like to respond to, and the threadId of the thread:

Request

GET https://www.googleapis.com/gmail/v1/users/me/messages/15a7a79ed814d9ec?format=metadata&metadataHeaders=Subject&metadataHeaders=Message-ID&metadataHeaders=References&metadataHeaders=In-Reply-To&access_token={access_token}

Response

{
 "id": "15a7a79ed814d9ec",
 "threadId": "15a7a79d389926b3",
 "labelIds": [
  "UNREAD",
  "IMPORTANT",
  "SENT",
  "INBOX"
 ],
 "snippet": "Test 2 2017-02-26 13:51 GMT+01:00 Emil Tholin <[e-mail]>: Test 1",
 "historyId": "1138108",
 "internalDate": "1488113495000",
 "payload": {
  "mimeType": "multipart/alternative",
  "headers": [
   {
    "name": "In-Reply-To",
    "value": "\u003cCADsZLRzQ8UQ1HJ8=YsvRv-jtpRY=[e-mail]\u003e"
   },
   {
    "name": "References",
    "value": "\u003cCADsZLRzQ8UQ1HJ8=YsvRv-jtpRY=[e-mail]\u003e"
   },
   {
    "name": "Message-ID",
    "value": "\[e-mail]\u003e"
   },
   {
    "name": "Subject",
    "value": "Re: Test"
   }
  ]
 },
 "sizeEstimate": 1333
}

Then I just make a draft, url-safe base64 encode it, and create it in the thread:

// replace '+' with '-', replace '/' with '_', remove trailing '=' to make it url-safe
var draft = btoa([
  'In-Reply-To: <[e-mail]>\r\n',
  'References: <CADsZLRzQ8UQ1HJ8=YsvRv-jtpRY=[e-mail]> <[e-mail]>\r\n',
  'From: [e-mail]\r\n',
  'To: [e-mail]\r\n',
  'Subject: Re: Test\r\n'
].join('')).replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '');

Request

POST https://www.googleapis.com/upload/gmail/v1/users/me/drafts?access_token={access_token}

{
  "message": {
    "raw": "SW4tUmVwbHktVG86IDxDQURzWkxSekhDX3NSNlRIZ2VyNmdrRGpKMzQ4WGJYZWhRMFlzRndIQWg3NjJodDIxNkFAbWFpbC5nbWFpbC5jb20-DQpSZWZlcmVuY2VzOiA8Q0FEc1pMUnpROFVRMUhKOD1Zc3ZSdi1qdHBSWT1zX3dabWJMOFJ6U2JDdHc0VDVBK3ZnQG1haWwuZ21haWwuY29tPiA8Q0FEc1pMUnpIQ19zUjZUSGdlcjZna0RqSjM0OFhiWGVoUTBZc0Z3SEFoNzYyaHQyMTZBQG1haWwuZ21haWwuY29tPg0KRnJvbTogZW10aG9saW5AZ21haWwuY29tDQpUbzogZW10aG9saW5AZ21haWwuY29tDQpTdWJqZWN0OiBSZTogVGVzdA0K",
    "threadId": "15a7a79d389926b3"
  }
}

Result

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