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111 lines
3.4 KiB
JavaScript

'use strict';
const applyTimestampsToChildren = require('../update/applyTimestampsToChildren');
const applyTimestampsToUpdate = require('../update/applyTimestampsToUpdate');
const get = require('../get');
const handleTimestampOption = require('../schema/handleTimestampOption');
const setDocumentTimestamps = require('./setDocumentTimestamps');
const symbols = require('../../schema/symbols');
const replaceOps = new Set([
'replaceOne',
'findOneAndReplace'
]);
module.exports = function setupTimestamps(schema, timestamps) {
const childHasTimestamp = schema.childSchemas.find(withTimestamp);
function withTimestamp(s) {
const ts = s.schema.options.timestamps;
return !!ts;
}
if (!timestamps && !childHasTimestamp) {
return;
}
const createdAt = handleTimestampOption(timestamps, 'createdAt');
const updatedAt = handleTimestampOption(timestamps, 'updatedAt');
const currentTime = timestamps != null && timestamps.hasOwnProperty('currentTime') ?
timestamps.currentTime :
null;
const schemaAdditions = {};
schema.$timestamps = { createdAt: createdAt, updatedAt: updatedAt };
if (createdAt && !schema.paths[createdAt]) {
const baseImmutableCreatedAt = schema.base != null ? schema.base.get('timestamps.createdAt.immutable') : null;
const immutable = baseImmutableCreatedAt != null ? baseImmutableCreatedAt : true;
schemaAdditions[createdAt] = { [schema.options.typeKey || 'type']: Date, immutable };
}
if (updatedAt && !schema.paths[updatedAt]) {
schemaAdditions[updatedAt] = Date;
}
schema.add(schemaAdditions);
schema.pre('save', function timestampsPreSave(next) {
const timestampOption = get(this, '$__.saveOptions.timestamps');
if (timestampOption === false) {
return next();
}
setDocumentTimestamps(this, timestampOption, currentTime, createdAt, updatedAt);
next();
});
schema.methods.initializeTimestamps = function() {
const ts = currentTime != null ?
currentTime() : this.constructor.base.now();
if (createdAt && !this.get(createdAt)) {
this.$set(createdAt, ts);
}
if (updatedAt && !this.get(updatedAt)) {
this.$set(updatedAt, ts);
}
if (this.$isSubdocument) {
return this;
}
const subdocs = this.$getAllSubdocs();
for (const subdoc of subdocs) {
if (subdoc.initializeTimestamps) {
subdoc.initializeTimestamps();
}
}
return this;
};
_setTimestampsOnUpdate[symbols.builtInMiddleware] = true;
const opts = { query: true, model: false };
schema.pre('findOneAndReplace', opts, _setTimestampsOnUpdate);
schema.pre('findOneAndUpdate', opts, _setTimestampsOnUpdate);
schema.pre('replaceOne', opts, _setTimestampsOnUpdate);
schema.pre('update', opts, _setTimestampsOnUpdate);
schema.pre('updateOne', opts, _setTimestampsOnUpdate);
schema.pre('updateMany', opts, _setTimestampsOnUpdate);
function _setTimestampsOnUpdate(next) {
const now = currentTime != null ?
currentTime() :
this.model.base.now();
// Replacing with null update should still trigger timestamps
if (replaceOps.has(this.op) && this.getUpdate() == null) {
this.setUpdate({});
}
applyTimestampsToUpdate(
now,
createdAt,
updatedAt,
this.getUpdate(),
this._mongooseOptions,
this.schema
);
applyTimestampsToChildren(now, this.getUpdate(), this.model.schema);
next();
}
};