diff options
Diffstat (limited to 'node_modules/mongoose/lib/helpers/timestamps')
-rw-r--r-- | node_modules/mongoose/lib/helpers/timestamps/setupTimestamps.js | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/node_modules/mongoose/lib/helpers/timestamps/setupTimestamps.js b/node_modules/mongoose/lib/helpers/timestamps/setupTimestamps.js new file mode 100644 index 0000000..752a565 --- /dev/null +++ b/node_modules/mongoose/lib/helpers/timestamps/setupTimestamps.js @@ -0,0 +1,104 @@ +'use strict'; + +const applyTimestampsToChildren = require('../update/applyTimestampsToChildren'); +const applyTimestampsToUpdate = require('../update/applyTimestampsToUpdate'); +const get = require('../get'); +const handleTimestampOption = require('../schema/handleTimestampOption'); +const symbols = require('../../schema/symbols'); + +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.$timestamps = { createdAt: createdAt, updatedAt: updatedAt }; + + if (updatedAt && !schema.paths[updatedAt]) { + schemaAdditions[updatedAt] = Date; + } + + if (createdAt && !schema.paths[createdAt]) { + schemaAdditions[createdAt] = Date; + } + + schema.add(schemaAdditions); + + schema.pre('save', function(next) { + const timestampOption = get(this, '$__.saveOptions.timestamps'); + if (timestampOption === false) { + return next(); + } + + const skipUpdatedAt = timestampOption != null && timestampOption.updatedAt === false; + const skipCreatedAt = timestampOption != null && timestampOption.createdAt === false; + + const defaultTimestamp = currentTime != null ? + currentTime() : + (this.ownerDocument ? this.ownerDocument() : this).constructor.base.now(); + const auto_id = this._id && this._id.auto; + + if (!skipCreatedAt && createdAt && !this.get(createdAt) && this.isSelected(createdAt)) { + this.$set(createdAt, auto_id ? this._id.getTimestamp() : defaultTimestamp); + } + + if (!skipUpdatedAt && updatedAt && (this.isNew || this.isModified())) { + let ts = defaultTimestamp; + if (this.isNew) { + if (createdAt != null) { + ts = this.$__getValue(createdAt); + } else if (auto_id) { + ts = this._id.getTimestamp(); + } + } + this.$set(updatedAt, ts); + } + + next(); + }); + + schema.methods.initializeTimestamps = function() { + const ts = currentTime != null ? + currentTime() : + this.constructor.base.now(); + if (createdAt && !this.get(createdAt)) { + this.$set(createdAt, ts); + } + if (updatedAt && !this.get(updatedAt)) { + this.$set(updatedAt, ts); + } + return this; + }; + + _setTimestampsOnUpdate[symbols.builtInMiddleware] = true; + + const opts = { query: true, model: false }; + 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(); + applyTimestampsToUpdate(now, createdAt, updatedAt, this.getUpdate(), + this.options, this.schema); + applyTimestampsToChildren(now, this.getUpdate(), this.model.schema); + next(); + } +};
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