import path from "path";
import { projPath } from "../../..";
import { convertAll } from "./bpmnLib";
import { glob } from "glob";
import { mkdtemp, readFile, rm } from "fs/promises";
// returns base64 image png
export const getiFlowToImage = async (iflowPath: string): Promise<string> => {
const iflowXmPath = (await glob(iflowPath.replace(/\\/g, '/') + "/**/*.iflw"))[0];
if (!iflowXmPath) {
throw new Error("Could not locate iflow XML");
}
const tempPngPath = path.join(
await mkdtemp(path.join(projPath, "temp", "file")),
"output.png"
);
await convertAll(
[
{
input: iflowXmPath,
outputs: [tempPngPath],
},
],
{
minDimensions: { width: 1200, height: 800 },
deviceScaleFactor: 2,
}
);
const encodedPngStr = await readFile(tempPngPath, {encoding: 'base64'});
await rm(tempPngPath);
return encodedPngStr;
};
