Initial commit

node_modules/mongodb/lib/operations/rename.js

@@ -0,0 +1,61 @@
+'use strict';
+
+const OperationBase = require('./operation').OperationBase;
+const applyWriteConcern = require('../utils').applyWriteConcern;
+const checkCollectionName = require('../utils').checkCollectionName;
+const executeDbAdminCommand = require('./db_ops').executeDbAdminCommand;
+const handleCallback = require('../utils').handleCallback;
+const loadCollection = require('../dynamic_loaders').loadCollection;
+const toError = require('../utils').toError;
+
+class RenameOperation extends OperationBase {
+  constructor(collection, newName, options) {
+    super(options);
+
+    this.collection = collection;
+    this.newName = newName;
+  }
+
+  execute(callback) {
+    const coll = this.collection;
+    const newName = this.newName;
+    const options = this.options;
+
+    let Collection = loadCollection();
+    // Check the collection name
+    checkCollectionName(newName);
+    // Build the command
+    const renameCollection = coll.namespace;
+    const toCollection = coll.s.namespace.withCollection(newName).toString();
+    const dropTarget = typeof options.dropTarget === 'boolean' ? options.dropTarget : false;
+    const cmd = { renameCollection: renameCollection, to: toCollection, dropTarget: dropTarget };
+
+    // Decorate command with writeConcern if supported
+    applyWriteConcern(cmd, { db: coll.s.db, collection: coll }, options);
+
+    // Execute against admin
+    executeDbAdminCommand(coll.s.db.admin().s.db, cmd, options, (err, doc) => {
+      if (err) return handleCallback(callback, err, null);
+      // We have an error
+      if (doc.errmsg) return handleCallback(callback, toError(doc), null);
+      try {
+        return handleCallback(
+          callback,
+          null,
+          new Collection(
+            coll.s.db,
+            coll.s.topology,
+            coll.s.namespace.db,
+            newName,
+            coll.s.pkFactory,
+            coll.s.options
+          )
+        );
+      } catch (err) {
+        return handleCallback(callback, toError(err), null);
+      }
+    });
+  }
+}
+
+module.exports = RenameOperation;