/
compile-db.js
executable file
·137 lines (121 loc) · 3.36 KB
/
compile-db.js
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#!/usr/bin/env node
console.info("Node Version", process.version);
if (!process.argv[3]) {
console.error("Usage: " + process.argv[1] + " [source] [dest]");
process.exit();
}
const fs = require("fs");
const readline = require("readline");
const path = require("path");
const jsonSrc = process.argv[2];
const jsonDest = process.argv[3];
const selectedKeys = [
"aspect_ratio",
"audio_channels",
"channel_id",
"channel_url",
"description",
"display_id",
"duration_string",
"duration",
"fps",
"fulltitle",
"height",
"id",
"playlist_id",
"playlist_title",
"playlist",
"tags",
"thumbnail",
"title",
"upload_date",
"webpage_url",
"width",
];
const descMetaDelim = "======\n";
const getAllFiles = (dirPath, fileArray) => {
const files = fs.readdirSync(dirPath);
fileArray = fileArray || [];
files.forEach(function (file) {
if (fs.statSync(dirPath + "/" + file).isDirectory()) {
fileArray = getAllFiles(dirPath + "/" + file, fileArray);
} else {
if (path.extname(file) === ".json") {
fileArray.push(path.join(dirPath, "/", file));
}
}
});
return fileArray;
};
const saveOutput = (outputJson) => {
try {
fs.writeFileSync(jsonDest, JSON.stringify(outputJson));
} catch (err) {
console.error(err);
}
};
const allFiles = getAllFiles(jsonSrc);
let outputJson = { videos: [] };
for (let i = 0; i < allFiles.length; i++) {
const fileName = allFiles[i];
var originalJson = JSON.parse(fs.readFileSync(fileName, "utf8"));
const reduced = Object.keys(originalJson).reduce((obj, key) => {
if (selectedKeys.includes(key)) obj[key] = originalJson[key];
return obj;
}, {});
// get festival year from file path
const year = path.parse(path.dirname(fileName)).name;
reduced.festival_year = year;
// parse additional metadata in Description
// example metadata in description field
// ======
// featured: <featured person(s) or group in video>
// featured_url: <featured url>
// festival_year: <festival year, ie, 2015>
const descSplit = reduced.description.split(descMetaDelim);
if (descSplit.length > 1) {
descSplit[1].split("\n").forEach((str) => {
const index = str.indexOf(":");
const first = str.substr(0, index);
const second = str.substring(index + 1);
reduced["meta_" + first.trim()] = second.trim();
});
}
// parse small thumbnail
const thumb196 = originalJson.thumbnails.filter(
(thumb) => thumb.width === 196
);
if (thumb196.length > 0) {
reduced.thumbnail_small = thumb196[0].url;
}
// local .vtt if it exists (generate with `bin/get-all-subs.sh`)
// get subtile name
let pathParts = fileName.split("]");
const sub = `./${pathParts[0]}].en.vtt`;
if (fs.existsSync(sub)) {
reduced.subtitlesFile = sub;
}
outputJson.videos.push(reduced);
}
// write output
fs.access(jsonDest, fs.constants.F_OK, (err) => {
if (err) {
saveOutput(outputJson);
} else {
// File exists, prompt user to confirm overwrite
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
rl.question(
`File '${jsonDest}' already exists. Do you want to overwrite it? (y/n) `,
(answer) => {
if (answer.toLowerCase() === "y") {
console.log(`Overwriting file '${jsonDest}'...`);
saveOutput(outputJson);
}
rl.close();
}
);
}
});