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File migration between Salesforce Orgs using Node.js
const jsforce = require("jsforce");
const axios = require("axios");
var FormData = require("form-data");
const getStream = require("get-stream");
const mime = require("mime-types");
const conn = new jsforce.Connection({
loginUrl: "https://login.salesforce.com",
});
const username = "";
const password = "";
const main = async () => {
await conn.login(username, password);
const sourceContentVersionFile =
await conn.query(`SELECT Id, Title, ContentSize, VersionData, PathOnClient
FROM ContentVersion
ORDER BY CreatedDate DESC
LIMIT 1`);
const contentVersionRecord = sourceContentVersionFile.records[0];
if (contentVersionRecord.ContentSize > 37000000) {
// size greater than 37Mb use multipart blob insert.
const fileStream = await getFile(contentVersionRecord, false);
const formData = createFormData(contentVersionRecord, fileStream);
const URL =
conn.instanceUrl + "/services/data/v51.0/sobjects/ContentVersion";
await axios({
method: "post",
maxContentLength: Infinity,
maxBodyLength: Infinity,
url: URL,
headers: {
Authorization: "Bearer " + conn.accessToken,
"Content-Type": `multipart/form-data; boundary=\"boundary_string\"`,
},
data: formData,
});
} else {
const base64Body = await getFile(contentVersionRecord, true);
await conn.sobject("ContentVersion").insert({
Title: contentVersionRecord.Title,
PathOnClient: contentVersionRecord.PathOnClient,
VersionData: base64Body,
FirstPublishLocationId: "0012w00000rTbXNAA0", //Id to which the content version needs to be linked
Origin: "H",
});
}
};
const getFile = async (data, generateBase64String) => {
const file = await axios({
method: "get",
url: conn.instanceUrl + data.VersionData,
headers: {
Authorization: "Bearer " + conn.accessToken,
},
responseType: "stream",
});
if (generateBase64String) {
return await getStream(file.data, { encoding: "base64" });
} else {
return file.data; // return the stream;
}
};
const createFormData = (data, file) => {
const contentVersion = {
FirstPublishLocationId: "0012w00000rTbXNAA0",
Title: data.Title,
PathOnClient: data.PathOnClient,
Origin: "H",
};
const form = new FormData();
form.setBoundary("boundary_string");
form.append("entity_content", JSON.stringify(contentVersion), {
contentType: "application/json",
});
form.append("VersionData", file, {
filename: data.PathOnClient,
contentType: mime.lookup(data.PathOnClient),
});
return form;
};
main();
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