Initial commit

node_modules/mongodb/lib/operations/replace_one.js

@@ -0,0 +1,54 @@
+'use strict';
+
+const OperationBase = require('./operation').OperationBase;
+const updateDocuments = require('./common_functions').updateDocuments;
+const hasAtomicOperators = require('../utils').hasAtomicOperators;
+
+class ReplaceOneOperation extends OperationBase {
+  constructor(collection, filter, replacement, options) {
+    super(options);
+
+    if (hasAtomicOperators(replacement)) {
+      throw new TypeError('Replacement document must not contain atomic operators');
+    }
+
+    this.collection = collection;
+    this.filter = filter;
+    this.replacement = replacement;
+  }
+
+  execute(callback) {
+    const coll = this.collection;
+    const filter = this.filter;
+    const replacement = this.replacement;
+    const options = this.options;
+
+    // Set single document update
+    options.multi = false;
+
+    // Execute update
+    updateDocuments(coll, filter, replacement, options, (err, r) =>
+      replaceCallback(err, r, replacement, callback)
+    );
+  }
+}
+
+function replaceCallback(err, r, doc, callback) {
+  if (callback == null) return;
+  if (err && callback) return callback(err);
+  if (r == null) return callback(null, { result: { ok: 1 } });
+
+  r.modifiedCount = r.result.nModified != null ? r.result.nModified : r.result.n;
+  r.upsertedId =
+    Array.isArray(r.result.upserted) && r.result.upserted.length > 0
+      ? r.result.upserted[0] // FIXME(major): should be `r.result.upserted[0]._id`
+      : null;
+  r.upsertedCount =
+    Array.isArray(r.result.upserted) && r.result.upserted.length ? r.result.upserted.length : 0;
+  r.matchedCount =
+    Array.isArray(r.result.upserted) && r.result.upserted.length > 0 ? 0 : r.result.n;
+  r.ops = [doc]; // TODO: Should we still have this?
+  if (callback) callback(null, r);
+}
+
+module.exports = ReplaceOneOperation;