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55 lines
1.7 KiB
55 lines
1.7 KiB
3 years ago
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'use strict';
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const OperationBase = require('./operation').OperationBase;
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const updateDocuments = require('./common_functions').updateDocuments;
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const hasAtomicOperators = require('../utils').hasAtomicOperators;
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class ReplaceOneOperation extends OperationBase {
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constructor(collection, filter, replacement, options) {
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super(options);
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if (hasAtomicOperators(replacement)) {
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throw new TypeError('Replacement document must not contain atomic operators');
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}
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this.collection = collection;
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this.filter = filter;
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this.replacement = replacement;
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}
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execute(callback) {
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const coll = this.collection;
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const filter = this.filter;
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const replacement = this.replacement;
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const options = this.options;
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// Set single document update
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options.multi = false;
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// Execute update
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updateDocuments(coll, filter, replacement, options, (err, r) =>
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replaceCallback(err, r, replacement, callback)
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);
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}
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}
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function replaceCallback(err, r, doc, callback) {
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if (callback == null) return;
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if (err && callback) return callback(err);
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if (r == null) return callback(null, { result: { ok: 1 } });
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r.modifiedCount = r.result.nModified != null ? r.result.nModified : r.result.n;
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r.upsertedId =
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Array.isArray(r.result.upserted) && r.result.upserted.length > 0
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? r.result.upserted[0] // FIXME(major): should be `r.result.upserted[0]._id`
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: null;
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r.upsertedCount =
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Array.isArray(r.result.upserted) && r.result.upserted.length ? r.result.upserted.length : 0;
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r.matchedCount =
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Array.isArray(r.result.upserted) && r.result.upserted.length > 0 ? 0 : r.result.n;
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r.ops = [doc]; // TODO: Should we still have this?
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if (callback) callback(null, r);
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}
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module.exports = ReplaceOneOperation;
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