45 lines
		
	
	
		
			816 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			816 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// for Node.js interpret
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const { default: DriveFile } = require('../../built/api/models/drive-file')
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const migrate = async (doc) => {
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	const result = await DriveFile.update(doc._id, {
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		$set: {
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			contentType: doc.metadata.type
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		},
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		$unset: {
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			'metadata.type': ''
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		}
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	})
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	return result.ok === 1
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}
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async function main() {
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	let i = 0;
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	const count = await DriveFile.count({});
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	const iterate = async () => {
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		if (i == count) return true;
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		console.log(`${i} / ${count}`);
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		const doc = (await DriveFile.find({}, { limit: 1, skip: i }))[0]
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		const res = await migrate(doc);
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		if (!res) {
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			return false;
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		} else {
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			i++
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			return await iterate();
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		}
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	}
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	const res = await iterate();
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	if (res) {
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		return 'ok';
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	} else {
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		throw 'something happened';
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	}
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}
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main().then(console.dir).catch(console.error)
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