castBulkWrite.js
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'use strict';
const applyTimestampsToChildren = require('../update/applyTimestampsToChildren');
const applyTimestampsToUpdate = require('../update/applyTimestampsToUpdate');
const cast = require('../../cast');
const castUpdate = require('../query/castUpdate');
const setDefaultsOnInsert = require('../setDefaultsOnInsert');
/*!
* Given a model and a bulkWrite op, return a thunk that handles casting and
* validating the individual op.
*/
module.exports = function castBulkWrite(model, op, options) {
const now = model.base.now();
if (op['insertOne']) {
return (callback) => {
const doc = new model(op['insertOne']['document']);
if (model.schema.options.timestamps != null) {
doc.initializeTimestamps();
}
if (options.session != null) {
doc.$session(options.session);
}
op['insertOne']['document'] = doc;
op['insertOne']['document'].validate({ __noPromise: true }, function(error) {
if (error) {
return callback(error, null);
}
callback(null);
});
};
} else if (op['updateOne']) {
op = op['updateOne'];
return (callback) => {
try {
if (!op['filter']) throw new Error('Must provide a filter object.');
if (!op['update']) throw new Error('Must provide an update object.');
op['filter'] = cast(model.schema, op['filter']);
op['update'] = castUpdate(model.schema, op['update'], {
strict: model.schema.options.strict,
overwrite: false
});
if (op.setDefaultsOnInsert) {
setDefaultsOnInsert(op['filter'], model.schema, op['update'], {
setDefaultsOnInsert: true,
upsert: op.upsert
});
}
if (model.schema.$timestamps != null) {
const createdAt = model.schema.$timestamps.createdAt;
const updatedAt = model.schema.$timestamps.updatedAt;
applyTimestampsToUpdate(now, createdAt, updatedAt, op['update'], {});
}
applyTimestampsToChildren(now, op['update'], model.schema);
} catch (error) {
return callback(error, null);
}
callback(null);
};
} else if (op['updateMany']) {
op = op['updateMany'];
return (callback) => {
try {
if (!op['filter']) throw new Error('Must provide a filter object.');
if (!op['update']) throw new Error('Must provide an update object.');
op['filter'] = cast(model.schema, op['filter']);
op['update'] = castUpdate(model.schema, op['update'], {
strict: model.schema.options.strict,
overwrite: false
});
if (op.setDefaultsOnInsert) {
setDefaultsOnInsert(op['filter'], model.schema, op['update'], {
setDefaultsOnInsert: true,
upsert: op.upsert
});
}
if (model.schema.$timestamps != null) {
const createdAt = model.schema.$timestamps.createdAt;
const updatedAt = model.schema.$timestamps.updatedAt;
applyTimestampsToUpdate(now, createdAt, updatedAt, op['update'], {});
}
applyTimestampsToChildren(now, op['update'], model.schema);
} catch (error) {
return callback(error, null);
}
callback(null);
};
} else if (op['replaceOne']) {
return (callback) => {
try {
op['replaceOne']['filter'] = cast(model.schema,
op['replaceOne']['filter']);
} catch (error) {
return callback(error, null);
}
// set `skipId`, otherwise we get "_id field cannot be changed"
const doc = new model(op['replaceOne']['replacement'], null, true);
if (model.schema.options.timestamps != null) {
doc.initializeTimestamps();
}
if (options.session != null) {
doc.$session(options.session);
}
op['replaceOne']['replacement'] = doc;
op['replaceOne']['replacement'].validate({ __noPromise: true }, function(error) {
if (error) {
return callback(error, null);
}
callback(null);
});
};
} else if (op['deleteOne']) {
return (callback) => {
try {
op['deleteOne']['filter'] = cast(model.schema,
op['deleteOne']['filter']);
} catch (error) {
return callback(error, null);
}
callback(null);
};
} else if (op['deleteMany']) {
return (callback) => {
try {
op['deleteMany']['filter'] = cast(model.schema,
op['deleteMany']['filter']);
} catch (error) {
return callback(error, null);
}
callback(null);
};
} else {
return (callback) => {
callback(new Error('Invalid op passed to `bulkWrite()`'), null);
};
}
};