Search indexer (#2445)

* add a bare bones indexer
* use constant to fallback to legacy indexer

platform/search/bundle.js

@@ -29,6 +29,7 @@ define([
     "./res/templates/search.html",
     "./res/templates/search-menu.html",
     "raw-loader!./src/services/GenericSearchWorker.js",
+    "raw-loader!./src/services/BareBonesSearchWorker.js",
     'legacyRegistry'
 ], function (
     SearchController,
@@ -39,6 +40,7 @@ define([
     searchTemplate,
     searchMenuTemplate,
     searchWorkerText,
+    BareBonesSearchWorkerText,
     legacyRegistry
 ) {
 
@@ -53,6 +55,11 @@ define([
                         "ROOT"
                     ],
                     "priority": "fallback"
+                },
+                {
+                    "key": "USE_LEGACY_INDEXER",
+                    "value": false,
+                    "priority": 2
                 }
             ],
             "controllers": [
@@ -101,6 +108,7 @@ define([
                         "workerService",
                         "topic",
                         "GENERIC_SEARCH_ROOTS",
+                        "USE_LEGACY_INDEXER",
                         "openmct"
                     ]
                 },
@@ -115,6 +123,10 @@ define([
                 }
             ],
             "workers": [
+                {
+                    "key": "bareBonesSearchWorker",
+                    "scriptText": BareBonesSearchWorkerText
+                },
                 {
                     "key": "genericSearchWorker",
                     "scriptText": searchWorkerText

platform/search/src/services/BareBonesSearchWorker.js

@@ -0,0 +1,80 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2018, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+/*global self*/
+
+/**
+ * Module defining BareBonesSearchWorker. Created by deeptailor on 10/03/2019.
+ */
+(function () {
+
+    // An array of objects composed of domain object IDs and names
+    // {id: domainObject's ID, name: domainObject's name}
+    var indexedItems = [];
+
+    function indexItem(id, model) {
+        indexedItems.push({
+            id: id,
+            name: model.name.toLowerCase()
+        });
+    }
+
+    /**
+     * Gets search results from the indexedItems based on provided search
+     *   input. Returns matching results from indexedItems
+     *
+     * @param data An object which contains:
+     *           * input: The original string which we are searching with
+     *           * maxResults: The maximum number of search results desired
+     *           * queryId: an id identifying this query, will be returned.
+     */
+    function search(data) {
+        // This results dictionary will have domain object ID keys which
+        // point to the value the domain object's score.
+        var results,
+            input = data.input.trim().toLowerCase(),
+            message = {
+                request: 'search',
+                results: {},
+                total: 0,
+                queryId: data.queryId
+            };
+
+        results = indexedItems.filter((indexedItem) => {
+            return indexedItem.name.includes(input);
+        });
+
+        message.total = results.length;
+        message.results = results
+            .slice(0, data.maxResults);
+
+        return message;
+    }
+
+    self.onmessage = function (event) {
+        if (event.data.request === 'index') {
+            indexItem(event.data.id, event.data.model);
+        } else if (event.data.request === 'search') {
+            self.postMessage(search(event.data));
+        }
+    };
+}());

platform/search/src/services/GenericSearchProvider.js

@@ -44,7 +44,7 @@ define([
      * @param {TopicService} topic the topic service.
      * @param {Array} ROOTS An array of object Ids to begin indexing.
      */
-    function GenericSearchProvider($q, $log, modelService, workerService, topic, ROOTS, openmct) {
+    function GenericSearchProvider($q, $log, modelService, workerService, topic, ROOTS, USE_LEGACY_INDEXER, openmct) {
         var provider = this;
         this.$q = $q;
         this.$log = $log;
@@ -58,6 +58,8 @@ define([
 
         this.pendingQueries = {};
 
+        this.USE_LEGACY_INDEXER = USE_LEGACY_INDEXER;
+
         this.worker = this.startWorker(workerService);
         this.indexOnMutation(topic);
 
@@ -101,8 +103,14 @@ define([
      * @returns worker the created search worker.
      */
     GenericSearchProvider.prototype.startWorker = function (workerService) {
-        var worker = workerService.run('genericSearchWorker'),
-            provider = this;
+        var provider = this,
+            worker;
+
+        if (this.USE_LEGACY_INDEXER) {
+            worker = workerService.run('genericSearchWorker');
+        } else {
+            worker = workerService.run('bareBonesSearchWorker');
+        }
 
         worker.addEventListener('message', function (messageEvent) {
             provider.onWorkerMessage(messageEvent);
@@ -242,18 +250,34 @@ define([
             return;
         }
 
-        var pendingQuery = this.pendingQueries[event.data.queryId],
+        var pendingQuery,
+            modelResults;
+
+        if (this.USE_LEGACY_INDEXER) {
+            pendingQuery = this.pendingQueries[event.data.queryId];
             modelResults = {
                 total: event.data.total
             };
 
-        modelResults.hits = event.data.results.map(function (hit) {
-            return {
-                id: hit.item.id,
-                model: hit.item.model,
-                score: hit.matchCount
+            modelResults.hits = event.data.results.map(function (hit) {
+                return {
+                    id: hit.item.id,
+                    model: hit.item.model,
+                    score: hit.matchCount
+                };
+            });
+        } else {
+            pendingQuery = this.pendingQueries[event.data.queryId];
+            modelResults = {
+                total: event.data.total
             };
-        });
+
+            modelResults.hits = event.data.results.map(function (hit) {
+                return {
+                    id: hit.id
+                };
+            });
+        }
 
         pendingQuery.resolve(modelResults);
         delete this.pendingQueries[event.data.queryId];

src/ui/layout/tree-item.vue

@@ -69,8 +69,8 @@
             let removeListener = this.openmct.objects.observe(this.domainObject, '*', (newObject) => {
                 this.domainObject = newObject;
             });
-            this.$once('hook:destroyed', removeListener);
 
+            this.$once('hook:destroyed', removeListener);
             if (this.openmct.composition.get(this.node.object)) {
                 this.hasChildren = true;
             }