63 lines
3.2 KiB
TypeScript
63 lines
3.2 KiB
TypeScript
import { EntityDict } from '../oak-app-domain';
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import { BRC } from '..';
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export type UploadFn = (file: File | string, name: string, // 文件的part name
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uploadUrl: string, // 上传的url
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formData: Record<string, any>, // 上传的其它part参数
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autoInform?: boolean, // 上传成功是否会自动通知server（若不会则需要前台显式通知
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getPercent?: Function, uploadId?: string, method?: "POST" | "PUT") => Promise<any>;
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export type UploadToAspect = (file: File | string, name: string, // 文件的part name
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aspectName: string, // 上传的aspect名
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formData: Record<string, any>, // 上传的其它part参数
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autoInform?: boolean) => Promise<any>;
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/**
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* Complicated Object Storage
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* 用于定义在extraFile对象上对文件进行操作的目标类
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* 根据不同的cos服务提供方法实现，如七牛、阿里等
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*/
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export interface Cos<ED extends EntityDict> {
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name: string;
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/**
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* 是否自动通知服务器（不需要主动更新extraFile的uploadState)
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*/
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autoInform(): boolean;
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/**
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* 前台在生成extraFile返回之后调用此函数，获得上传OSS的相应参数
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* 上传成功后，OSS服务器尽量使用通过后台回调服务器的方式去确认上传，若OSS不提供此能力则将autoInform置为false，前台主动在上传成功之后去更新
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* @param extraFile
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* @returns
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*/
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upload: (extraFile: ED['extraFile']['OpSchema'], uploadFn: UploadFn, file: string | File, uploadToAspect?: UploadToAspect, getPercent?: Function) => Promise<void>;
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/**
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* 构建出访问图片的url，注意这个url应当和objectId一对一映射，这样才可以实现多个extraFile之间共享cos上的路径
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*/
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composeFileUrl: (application: Partial<ED['application']['Schema']>, extraFile: Partial<ED['extraFile']['OpSchema']>, style?: string) => string;
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}
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export interface CosBackend<ED extends EntityDict> {
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name: string;
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/**
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* 注入在后台extrafile生成之前，将上传所需要的token等信息生成并存放在uploadMeta属性中
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* @param application applciation
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* @param extraFile，要生成的extraFile数据
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* @param context 后台上下文
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* @returns
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*/
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formUploadMeta: (application: ED['application']['Schema'], extraFile: ED['extraFile']['OpSchema'], context: BRC<ED>) => Promise<void>;
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/**
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* 构建出访问图片的url，注意这个url应当和objectId一对一映射，这样才可以实现多个extraFile之间共享cos上的路径
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*/
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composeFileUrlBackend: (application: ED['application']['Schema'], extraFile: ED['extraFile']['OpSchema'], context: BRC<ED>, style?: string) => Promise<string>;
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/**
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* 后台对upload是否成功不确定的文件，向OSS发起主动确认
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* @param extraFile
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* @returns 是否已经上传OSS成功
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*/
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checkWhetherSuccess: (application: ED['application']['Schema'], extraFile: ED['extraFile']['OpSchema'], context: BRC<ED>) => Promise<boolean>;
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/**
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* 后台向OSS发起删除命令
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* @param extraFile
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* @param config
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* @returns
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*/
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removeFile: (application: ED['application']['Schema'], extraFile: ED['extraFile']['OpSchema'], context: BRC<ED>) => Promise<void>;
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}
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