Package com.bytedesk.social.meta

Class MetaMaterialService

java.lang.Object

com.bytedesk.social.meta.MetaMaterialService

@Service
public class MetaMaterialService
extends Object

Meta平台素材服务 用于上传附件并获取attachment_id，用于媒体模板 参考文档： https://developers.facebook.com/docs/messenger-platform/send-messages/saving-assets https://developers.facebook.com/docs/messenger-platform/reference/attachment-upload-api/ 注意：附件编号将于90天后过期。附件编号过期后，您将需要重新上传素材，才能获取新附件编号。

Field Summary

Fields

Modifier and Type	Field	Description
private final com.fasterxml.jackson.databind.ObjectMapper	objectMapper
private final org.springframework.web.client.RestTemplate	restTemplate

Constructor Summary

Constructors

Constructor	Description
MetaMaterialService()

Method Summary

Modifier and Type	Method	Description
String	getAttachmentTypeDescription(String type)	获取附件类型描述
boolean	isValidAttachmentType(String type)	验证附件类型是否有效
String	saveMaterialByFile(String pageId, String accessToken, String type, org.springframework.web.multipart.MultipartFile file)	通过文件上传保存素材，返回attachment_id
String	saveMaterialByUrl(String pageId, String accessToken, String type, String url)	通过URL保存素材，返回attachment_id

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

restTemplate

private final org.springframework.web.client.RestTemplate restTemplate

objectMapper

private final com.fasterxml.jackson.databind.ObjectMapper objectMapper

Constructor Details

MetaMaterialService

public MetaMaterialService()

Method Details

saveMaterialByUrl

public String saveMaterialByUrl(String pageId,
 String accessToken,
 String type,
 String url)

通过URL保存素材，返回attachment_id

Parameters:

pageId - 页面ID

accessToken - 访问令牌

type - 附件类型 (image, video, audio, file)

url - 文件URL

Returns:

attachment_id，失败时返回null

saveMaterialByFile

public String saveMaterialByFile(String pageId,
 String accessToken,
 String type,
 org.springframework.web.multipart.MultipartFile file)

通过文件上传保存素材，返回attachment_id

Parameters:

pageId - 页面ID

accessToken - 访问令牌

type - 附件类型 (image, video, audio, file)

file - 上传的文件

Returns:

attachment_id，失败时返回null

isValidAttachmentType

public boolean isValidAttachmentType(String type)

验证附件类型是否有效

Parameters:

type - 附件类型

Returns:

是否有效

getAttachmentTypeDescription

public String getAttachmentTypeDescription(String type)

获取附件类型描述

Parameters:

type - 附件类型

Returns:

类型描述