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'use strict';
const OperationBase = require('./operation').OperationBase;
const removeDocuments = require('./common_functions').removeDocuments;
const Aspect = require('./operation').Aspect;
const defineAspects = require('./operation').defineAspects;
class DeleteManyOperation extends OperationBase {
constructor(collection, filter, options) {
super(options);
this.collection = collection;
this.filter = filter;
}
execute(callback) {
const coll = this.collection;
const filter = this.filter;
const options = this.options;
options.single = false;
removeDocuments(coll, filter, options, (err, r) => {
if (callback == null) return;
if (err && callback) return callback(err);
if (r == null) return callback(null, { result: { ok: 1 } });
// If an explain operation was executed, don't process the server results
if (this.explain) return callback(undefined, r.result);
r.deletedCount = r.result.n;
callback(null, r);
});
}
}
defineAspects(DeleteManyOperation, [Aspect.EXPLAINABLE]);
module.exports = DeleteManyOperation;