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import fs from 'fs';
import crypto from 'crypto';
// load in google credentials json file
const credentialsPath = 'google_credentials.json';
const { private_key_id, client_email, token_uri, private_key }
= JSON.parse(fs.readFileSync(credentialsPath, 'utf8'));
const spreadsheetId = '1csTrnR5LwSBft1wtczDdxk0aPnHIdIOHX3MTP-IkpPk';
const templateSheetId = 2006563664; // the ID of the template sheet in the spreadsheet
// url base encoder helper
const urlBase64Encode = (str) => {
return Buffer.from(str)
.toString('base64')
.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/=+$/, '');
}
// auth using JWT
// (https://developers.google.com/identity/protocols/oauth2/service-account#httprest)
const createJWT = () => {
const jwtHeader = {
alg: 'RS256',
typ: 'JWT',
kid: private_key_id
};
const jetClaimSet = {
iss: client_email,
scope: 'https://www.googleapis.com/auth/spreadsheets',
aud: token_uri,
exp: Math.floor(Date.now() / 1000) + 3600, // 1 hour expiration
iat: Math.floor(Date.now() / 1000)
};
const signedHeader = urlBase64Encode(JSON.stringify(jwtHeader));
const signedClaimSet = urlBase64Encode(JSON.stringify(jetClaimSet));
const signature = urlBase64Encode(
crypto.createSign('RSA-SHA256')
.update(`${signedHeader}.${signedClaimSet}`)
.sign(private_key)
);
return `${signedHeader}.${signedClaimSet}.${signature}`;
}
const postAuthRequest = async () => {
// get the JWT
const jwt = createJWT();
// prepare the encoded body
let body = {
'grant_type': 'urn:ietf:params:oauth:grant-type:jwt-bearer',
'assertion': jwt
}
body = new URLSearchParams(body).toString();
// make the POST request to the token URI
const options = {
method: 'POST',
headers: {
'Host': 'oauth2.googleapis.com',
'Content-Type': 'application/x-www-form-urlencoded'
},
body,
};
const response = await fetch(token_uri, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}, message: ${await response.text()}`);
}
// return the access token
const data = await response.json();
return data.access_token;
}
const randomSheetId = () => {
// use date without dashes
const date = new Date().toISOString().split('T')[0].replace(/-/g, '');
return parseInt(date);
}
const appendCellsRequest = (sheetId, row) => {
const rowsArray = row.map(cell => {
return {
values: cell.map(value => {
return {
userEnteredValue: {
stringValue: value
}
};
})
};
});
return {
sheetId,
rows: rowsArray,
fields: '*',
};
}
const duplicateSheetRequest = (sheetId) => {
const date = new Date().toISOString().split('T')[0];
return {
sourceSheetId: templateSheetId,
insertSheetIndex: 0,
newSheetId: sheetId,
newSheetName: date,
}
}
const batchUpdateSpreadsheet = (sheetId, rows) => {
return {
"requests": [
{
"duplicateSheet": duplicateSheetRequest(sheetId)
},
{
"appendCells": appendCellsRequest(sheetId, rows)
}
],
};
}
const postBatchUpdateRequest = async (batchUpdateRequest) => {
const accessToken = await postAuthRequest();
const url = `https://sheets.googleapis.com/v4/spreadsheets/${spreadsheetId}:batchUpdate`;
const options = {
method: 'POST',
headers: {
'Authorization': `Bearer ${accessToken}`,
'Content-Type': 'application/json'
},
body: JSON.stringify({
requests: batchUpdateRequest.requests
})
};
const response = await fetch(url, options);
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}, message: ${await response.text()}`);
}
const data = await response.json();
return data;
}
const getRowsFromTSV = (tsvPath) => {
const tsvData = fs.readFileSync(tsvPath, 'utf8');
const rows = tsvData.split('\n').map(line => line.split('\t').map(cell => cell.trim()));
// remove the first row (header)
rows.shift();
return rows;
}
export const runUpload = async () => {
// // get the data from the tsv
// const tsvPath = 'sp500_formatted_data.tsv';
// const tsvData = fs.readFileSync(tsvPath, 'utf8');
// const rows = tsvData.split('\n').map(line => line.split('\t').map(cell => cell.trim()));
// // remove the first row (header)
// rows.shift();
// // create a random sheet id
// const sheetId = randomSheetId();
// // create the batch update request
// const batchUpdateRequest = batchUpdateSpreadsheet(sheetId, rows);
// // write the request to a file
// const outputPath = 'batch_update_request.json';
// fs.writeFileSync(outputPath, JSON.stringify(batchUpdateRequest, null, 2));
// console.log(`Batch update request written to ${outputPath}`);
// Authenticate and get access token
// try {
// const accessToken = await postAuthRequest();
// console.log('Access Token:', accessToken);
// } catch (error) {
// console.error('Error:', error);
// }
// create a random sheet id
const sheetId = randomSheetId();
// get the rows from the tsv file
const tsvPath = 'sp500_formatted_data.tsv';
const rows = getRowsFromTSV(tsvPath);
// create the batch update request
const batchUpdateRequest = batchUpdateSpreadsheet(sheetId, rows);
// write the request to a file
const outputPath = 'batch_update_request.json';
fs.writeFileSync(outputPath, JSON.stringify(batchUpdateRequest, null, 2));
console.log(`Batch update request written to ${outputPath}`);
// post the batch update request
try {
const response = await postBatchUpdateRequest(batchUpdateRequest);
console.log('Batch update response:', response);
} catch (error) {
console.error('Error:', error);
}
}
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