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/**
* Copyright (c) 2023 MERCENARIES.AI PTE. LTD.
* All rights reserved.
*/
import CustomSocket from './CustomSocket';
import { type WorkerContext } from '../openapi/types';
import { type Socket } from 'rete';
interface ICdnResource {
ticket: { fid: string; url: string; publicUrl: string; count?: number };
fileName: string;
size: number;
data?: any;
url: string;
furl: string;
expires?: number;
mimeType?: string;
fileType?: string;
meta: {
type?: string;
dimensions?: { width: number; height: number };
created?: number;
creator?: string;
};
}
class FileObjectSocket extends CustomSocket {
override compatibleWith(socket: Socket, noReverse: boolean): boolean {
const cs: Partial<CustomSocket> = this;
if (cs.type) {
return ['string', 'image', 'audio', 'document', 'file'].includes(cs.type);
} else {
return socket instanceof FileObjectSocket;
}
}
detectMimeType(ctx: WorkerContext, value: any): string | undefined {
return undefined;
}
async persistObject(ctx: WorkerContext, value: any, opts?: any): Promise<ICdnResource> {
if ((value.ticket || value.fid) && value.url && !value.data) {
// If we don't have data, it means we are already persisted
return await Promise.resolve(value);
}
opts ??= {};
opts.mimeType ??= this.detectMimeType?.(ctx, value);
const finalOpts = { userId: ctx.userId, jobId: ctx.jobId, ...opts };
return ctx.app.cdn.putTemp(value, finalOpts) as ICdnResource;
}
async persistObjects(ctx: WorkerContext, value: any, opts?: any): Promise<ICdnResource[]> {
return await Promise.all(
value.map(async (v: any) => {
return await this.persistObject(ctx, v, opts);
})
);
}
protected async _inputFromString(ctx: WorkerContext, value: any): Promise<ICdnResource[]> {
if (typeof value !== 'string') {
return value;
}
const objects = value.split('\n');
const ret = objects.map((x) => x.trim()).filter((x) => x.length);
return await Promise.all(
ret.map(async (v: string) => {
return await this.persistObject(ctx, v);
})
);
}
private async _handleSingleObject(
ctx: WorkerContext,
value: any,
getValue: boolean = false
): Promise<ICdnResource | string | null> {
if (!value) {
return null;
}
let cdnResource = null
const format = this.format?.includes('base64') ? 'base64' : undefined
const addHeader = format && this.format?.includes('withHeader')
// Case 1: We have an object with a fid:
if (value.fid)
{
// If it's base64, we always have to pull data to convert it
if (!getValue && format !== 'base64')
{
cdnResource = await ctx.app.cdn.find(value.fid)
}
else
{
cdnResource = await ctx.app.cdn.get(value, null, format)
}
}
else if (value instanceof Buffer)
{
cdnResource = await this.persistObject(ctx, value)
}
else if (typeof value === 'string')
{
if ( this.isValidUrl(value))
{
cdnResource = await this.persistObject(ctx, value.trim());
}
else if (value?.startsWith?.('fid://'))
{
const [fid, extension] = value.split('://')[1].split('.');
cdnResource = await ctx.app.cdn.get({ fid }, null, format);
}
else (value.length>0)
{
cdnResource = await this.persistObject(ctx, value);
}
}
let socketValue = null
if (cdnResource && cdnResource.fid)
{
if (format === "base64")
{
socketValue = cdnResource.asBase64(addHeader)
}
else
{
socketValue = cdnResource
}
}
else
{
console.error("File socket: Failure to process value", value)
}
// wipe data if needed
if (socketValue !== null && this.customSettings?.do_no_return_data && format !== 'base64') {
delete socketValue.data;
}
return socketValue
}
private async _handleObjectArray(
ctx: WorkerContext,
value: any[],
getValue: boolean = false
): Promise<ICdnResource[] | null> {
if (!value) {
return null;
}
if (!Array.isArray(value)) {
value = [value];
}
value = value.filter((x) => x !== null);
return (await Promise.all(
value.map(async (v: any) => {
return await this._handleSingleObject(ctx, v, getValue);
})
)) as ICdnResource[];
}
async _handlePort(
ctx: WorkerContext,
value: any,
getValue: boolean
): Promise<ICdnResource[] | ICdnResource | string | null> {
value = await this._inputFromString(ctx, value);
if (!Array.isArray(value)) {
value = [value];
}
if (this.array) {
return await this._handleObjectArray(ctx, value, getValue);
}
return await this._handleSingleObject(ctx, value[0], getValue);
}
async handleInput(ctx: WorkerContext, value: any): Promise<ICdnResource[] | ICdnResource | string | null> {
return await this._handlePort(ctx, value, true);
}
async handleOutput(ctx: WorkerContext, value: any): Promise<ICdnResource[] | ICdnResource | string | null> {
// Don't get data on output, any input port will get data as needed
return await this._handlePort(ctx, value, false);
}
}
export default FileObjectSocket;
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