文件列表:

.browserslistrc (38, 2023-08-21)
.nvmrc (6, 2023-08-21)
.ruby-version (6, 2023-08-21)
Capfile (56, 2023-08-21)
Gemfile (1597, 2023-08-21)
Gemfile.lock (33090, 2023-08-21)
Guardfile (976, 2023-08-21)
LICENSE.txt (1099, 2023-08-21)
Rakefile (245, 2023-08-21)
app/ (0, 2023-08-21)
app/assets/ (0, 2023-08-21)
app/assets/images/ (0, 2023-08-21)
svg (5887, 2023-08-21)
app/assets/images/algolia-logo-white.svg (5645, 2023-08-21)
app/assets/images/favicon.ico (20502, 2023-08-21)
app/assets/images/grayarrow.gif (96, 2023-08-21)
app/assets/images/hn-mask-240x180.png (1350, 2023-08-21)
app/assets/images/hn-mask-600x315.png (1716, 2023-08-21)
app/assets/images/logo-algolia-blue.svg (5334, 2023-08-21)
app/assets/images/logo-algolia-white.svg (4532, 2023-08-21)
app/assets/images/logo-hn-search.png (2912, 2023-08-21)
app/controllers/ (0, 2023-08-21)
app/controllers/api/ (0, 2023-08-21)
app/controllers/api/admin/ (0, 2023-08-21)
app/controllers/api/admin/v1/ (0, 2023-08-21)
app/controllers/api/admin/v1/admin_controller.rb (409, 2023-08-21)
app/controllers/api/v1/ (0, 2023-08-21)
app/controllers/api/v1/base_controller.rb (4443, 2023-08-21)
app/controllers/api/v1/items_controller.rb (271, 2023-08-21)
app/controllers/api/v1/search_controller.rb (316, 2023-08-21)
app/controllers/api/v1/users_controller.rb (211, 2023-08-21)
app/controllers/application_controller.rb (602, 2023-08-21)
app/controllers/home_controller.rb (1862, 2023-08-21)
app/controllers/pages_controller.rb (253, 2023-08-21)
app/javascript/ (0, 2023-08-21)
app/javascript/components/ (0, 2023-08-21)
app/javascript/components/Datepicker/ (0, 2023-08-21)
app/javascript/components/Datepicker/Datepicker.tsx (5629, 2023-08-21)
... ...

HN Search powered by Algolia ================== This is the Rails 5 application providing [HN Search](https://hn.algolia.com). It's leveraging [react](https://reactjs.org) on the frontend, [algoliasearch-rails](https://github.com/algolia/algoliasearch-rails) for the search and uses [wkhtmltoimage](https://code.google.com/p/wkhtmltopdf/) to crawl+render thumbnails. Development/Contributions ------------- We *love* pull-requests :) ### Setup ```sh # clone the repository git clone https://github.com/algolia/hn-search cd hn-search # install dependencies bundle install # setup credentials cp config/database.example.yml config/database.yml # feel free to edit, default configuration is OK for search-only cp config/application.example.yml config/application.yml # feel free to edit, default configuration is OK for search-only # setup your (sqlite3) database bundle exec rake db:migrate # start contributing enjoying Guard (watchers, livereload, notifications, ...) bundle exec guard # done! open http://localhost:3000 ``` ### Code If you want to contribute to the UI, the only directory you need to look at is `app/assets`. This directory contains all the JS, HTML & CSS code. ### Deployment To deploy, we're using capistrano and therefore you need SSH access to the underlying machines and run from your own computer: ```shell bundle exec cap deploy ``` There is currently (December 2018) a bug with `bluepill` stopping the deployment. To workaround it, you need to force a restart with the following command instead: ```shell bundle exec cap deploy:restart ``` There seems to as well be an issue with thin server, where after deployment orphaned thin processes are not killed. This means that the server tries serving previous version of the app and causes `ChunkLoadErrors` as the manifest points to no longer existing files. To fix the intermittent errors, you need to ssh to both servers, check for any orphaned thin processes and kill them manually. ```shell ps aux | grep thin kill ``` Indexing Configuration -------------- The indexing is configured using the following `algoliasearch` block: ```ruby class Item < ActiveRecord::Base include AlgoliaSearch algoliasearch per_environment: true do # the list of attributes sent to Algolia's API attribute :created_at, :title, :url, :author, :points, :story_text, :comment_text, :author, :num_comments, :story_id, :story_title attribute :created_at_i do created_at.to_i end # `title` is more important than `{story,comment}_text`, `{story,comment}_text` more than `url`, `url` more than `author` # btw, do not take into account position in most fields to avoid first word match boost attributesToIndex ['unordered(title)', 'unordered(story_text)', 'unordered(comment_text)', 'unordered(url)', 'author', 'created_at_i'] # list of attributes to highlight attributesToHighlight ['title', 'story_text', 'comment_text', 'url', 'story_url', 'author', 'story_title'] # tags used for filtering tags do [item_type, "author_#{author}", "story_#{story_id}"] end # use associated number of HN points to sort results (last sort criteria) customRanking ['desc(points)', 'desc(num_comments)'] # controls the way results are sorted sorting on the following 4 criteria (one after another) # I removed the 'exact' match critera (improve 1-words query relevance, doesn't fit HNSearch needs) ranking ['typo', 'proximity', 'attribute', 'custom'] # google+, $1.5M raises, C#: we love you separatorsToIndex '+#$' end def story_text item_type_cd != Item.comment ? text : nil end def story_title comment? && story ? story.title : nil end def story_url comment? && story ? story.url : nil end def comment_text comment? ? text : nil end def comment? item_type_cd == Item.comment end end ``` Credits -------- * [HackerNews](https://news.ycombinator.com) * [Firebase](https://www.firebase.com) for the real-time crawling API * [wkhtmltoimage](https://code.google.com/p/wkhtmltopdf/) to back the thumbnails' crawl+rendering

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