refactor file structure

browser/lib/search.js

@@ -0,0 +1,40 @@
+'use strict'
+
+var _ = require('lodash')
+
+const TEXT_FILTER = 'TEXT_FILTER'
+const FOLDER_FILTER = 'FOLDER_FILTER'
+const TAG_FILTER = 'TAG_FILTER'
+
+export default function search (articles, search) {
+  let filters = search.split(' ').map(key => key.trim()).filter(key => key.length > 0 && !key.match(/^#$/)).map(key => {
+    if (key.match(/^in:.+$/)) {
+      return {type: FOLDER_FILTER, value: key.match(/^in:(.+)$/)[1]}
+    }
+    if (key.match(/^#(.+)/)) {
+      return {type: TAG_FILTER, value: key.match(/^#(.+)$/)[1]}
+    }
+    return {type: TEXT_FILTER, value: key}
+  })
+  // let folderFilters = filters.filter(filter => filter.type === FOLDER_FILTER)
+  let textFilters = filters.filter(filter => filter.type === TEXT_FILTER)
+  let tagFilters = filters.filter(filter => filter.type === TAG_FILTER)
+
+  if (textFilters.length > 0) {
+    articles = textFilters.reduce((articles, textFilter) => {
+      return articles.filter(article => {
+        return article.title.match(new RegExp(textFilter.value, 'i')) || article.content.match(new RegExp(textFilter.value, 'i'))
+      })
+    }, articles)
+  }
+
+  if (tagFilters.length > 0) {
+    articles = tagFilters.reduce((articles, tagFilter) => {
+      return articles.filter(article => {
+        return _.find(article.Tags, tag => tag.name.match(new RegExp(tagFilter.value, 'i')))
+      })
+    }, articles)
+  }
+
+  return articles
+}