From a2345f55d64c041f7da079cf36eb4039c43013df Mon Sep 17 00:00:00 2001
From: Shin'ya Ueoka <ueokande@i-beam.org>
Date: Sun, 22 Jul 2018 11:13:21 +0900
Subject: [PATCH] Search engine completions

---
 src/background/usecases/completions.js | 70 +++++++++++++++++---------
 1 file changed, 46 insertions(+), 24 deletions(-)

diff --git a/src/background/usecases/completions.js b/src/background/usecases/completions.js
index 1c0fe38..18174bd 100644
--- a/src/background/usecases/completions.js
+++ b/src/background/usecases/completions.js
@@ -4,12 +4,14 @@ import Completions from '../domains/completions';
 import CompletionRepository from '../repositories/completions';
 import CommandDocs from 'background/shared/commands/docs';
 import * as filters from './filters';
+import SettingRepository from '../repositories/setting';
 
 const COMPLETION_ITEM_LIMIT = 10;
 
 export default class CompletionsInteractor {
   constructor() {
     this.completionRepository = new CompletionRepository();
+    this.settingRepository = new SettingRepository();
   }
 
   queryConsoleCommand(prefix) {
@@ -31,34 +33,18 @@ export default class CompletionsInteractor {
   }
 
   async queryOpen(name, keywords) {
-    // TODO get search engines from settings
     let groups = [];
-    let histories = await this.completionRepository.queryHistories(keywords);
+    let engines = await this.querySearchEngineItems(name, keywords);
+    if (engines.length > 0) {
+      groups.push(new CompletionGroup('Search Engines', engines));
+    }
+    let histories = await this.queryHistoryItems(name, keywords);
     if (histories.length > 0) {
-      histories = [histories]
-        .map(filters.filterBlankTitle)
-        .map(filters.filterHttp)
-        .map(filters.filterByTailingSlash)
-        .map(pages => filters.filterByPathname(pages, COMPLETION_ITEM_LIMIT))
-        .map(pages => filters.filterByOrigin(pages, COMPLETION_ITEM_LIMIT))[0]
-        .sort((x, y) => x.visitCount < y.visitCount)
-        .slice(0, COMPLETION_ITEM_LIMIT);
-      let items = histories.map(page => new CompletionItem({
-        caption: page.title,
-        content: name + ' ' + page.url,
-        url: page.url
-      }));
-      groups.push(new CompletionGroup('History', items));
+      groups.push(new CompletionGroup('History', histories));
     }
-
-    let bookmarks = await this.completionRepository.queryBookmarks(keywords);
+    let bookmarks = await this.queryBookmarkItems(name, keywords);
     if (bookmarks.length > 0) {
-      let items = bookmarks.map(page => new CompletionItem({
-        caption: page.title,
-        content: name + ' ' + page.url,
-        url: page.url
-      }));
-      groups.push(new CompletionGroup('Bookmarks', items));
+      groups.push(new CompletionGroup('Bookmarks', bookmarks));
     }
     return new Completions(groups);
   }
@@ -89,4 +75,40 @@ export default class CompletionsInteractor {
     }));
     return new Completions([new CompletionGroup('Buffers', items)]);
   }
+
+  async querySearchEngineItems(name, keywords) {
+    let settings = await this.settingRepository.get();
+    let engines = Object.keys(settings.search.engines)
+      .filter(key => key.startsWith(keywords));
+    return engines.map(key => new CompletionItem({
+      caption: key,
+      content: name + ' ' + key,
+    }));
+  }
+
+  async queryHistoryItems(name, keywords) {
+    let histories = await this.completionRepository.queryHistories(keywords);
+    histories = [histories]
+      .map(filters.filterBlankTitle)
+      .map(filters.filterHttp)
+      .map(filters.filterByTailingSlash)
+      .map(pages => filters.filterByPathname(pages, COMPLETION_ITEM_LIMIT))
+      .map(pages => filters.filterByOrigin(pages, COMPLETION_ITEM_LIMIT))[0]
+      .sort((x, y) => x.visitCount < y.visitCount)
+      .slice(0, COMPLETION_ITEM_LIMIT);
+    return histories.map(page => new CompletionItem({
+      caption: page.title,
+      content: name + ' ' + page.url,
+      url: page.url
+    }));
+  }
+
+  async queryBookmarkItems(name, keywords) {
+    let bookmarks = await this.completionRepository.queryBookmarks(keywords);
+    return bookmarks.map(page => new CompletionItem({
+      caption: page.title,
+      content: name + ' ' + page.url,
+      url: page.url
+    }));
+  }
 }