Add HN Proxy

index.bliz

@@ -1,3 +1,7 @@
+%%%
+gem_header 20 'text/gemini'
+%%%
+
 ```
       ███╗   ███╗██╗   ██╗███████╗██╗██████╗  █████╗ ██████╗ ██████╗ 
       ████╗ ████║╚██╗ ██╔╝██╔════╝██║██╔══██╗██╔══██╗██╔══██╗██╔══██╗
@@ -28,6 +32,9 @@ Some information about the server running this capsule.
 This contains my gemlog, the Gemini version of a blog. On here, I will be posting about various topics that interest me, so be sure to check out the About Me page to find out what that might be.
 
 ## Projects and Services
+=> services/hackernews/index.bliz 📰Hacker News Proxy
+A Gemini proxy for Hacker News
+
 => services/todo.gmi 📝Planned Services (To-Do List)
 I am planning on writing a few proxy services on here. You can see what I have planned on this site.
 

services/hackernews/comments.bliz

@@ -5,6 +5,5 @@ set b_words (bliz_word_count)
 %%%
 
 %%%
-set directory (dirname $blizfile)
-ruby serve/test/test.rb
+ruby serve/services/hackernews/comments.rb $req_query
 %%% 

services/hackernews/comments.rb

@@ -0,0 +1,53 @@
+require 'uri'
+require 'net/http'
+require 'json'
+require 'date'
+require 'nokogiri'
+
+puts "=> index.bliz 📰 Back To Overview"
+
+
+def get_article(id)
+  json = String.new
+
+  uri = URI("https://hacker-news.firebaseio.com/v0/item/#{id}.json?print=pretty)")
+  res = Net::HTTP.get_response(uri)
+
+  json << res.body if res.is_a?(Net::HTTPSuccess)
+  puts "# Comments for: #{JSON.parse(json)['title']}\n" 
+  return json
+end
+
+def get_comment_ids(num, article)
+  counter = 0
+  comment_ids = Array.new
+
+  JSON.parse(article)["kids"].each do |comment|
+    comment_ids << comment
+    counter += 1
+    break if counter == num
+  end
+
+  return comment_ids
+end
+
+def display_comments(num, article_id)
+  json = Array.new
+
+  get_comment_ids(num, get_article(article_id)).each do |id|
+    uri = URI("https://hacker-news.firebaseio.com/v0/item/#{id}.json?print=pretty)")
+    res = Net::HTTP.get_response(uri)
+
+    json << res.body if res.is_a?(Net::HTTPSuccess)
+  end
+
+  json.each do |comment|
+    puts "## Comment by " + JSON.parse(comment)["by"]
+    puts Nokogiri::HTML(JSON.parse(comment)["text"]).text
+    puts DateTime.strptime(JSON.parse(comment)["time"].to_s, "%s").strftime("↳🕰 Published on %d/%m/%Y at %H:%M") 
+
+    puts ""
+  end
+end
+
+display_comments(10, ARGV[0])

services/hackernews/hackernews.rb

@@ -0,0 +1,8 @@
+require_relative 'main.rb'
+
+num_of_articles = ARGV[0]
+if num_of_articles.numeric?() then
+  parse_and_print(num_of_articles.to_i)
+else
+  parse_and_print(10)
+end

services/hackernews/index.bliz

@@ -0,0 +1,11 @@
+%%%
+if [ $req_query = "" ]
+	gem_header 10 'How many articles do you want to load?'
+else
+	gem_header 20 'text/gemini'
+end
+%%%
+
+%%%
+ruby serve/services/hackernews/hackernews.rb $req_query
+%%% 

services/hackernews/main.rb

@@ -0,0 +1,66 @@
+require 'uri'
+require 'net/http'
+require 'json'
+require 'date'
+
+puts "# Hacker News Proxy 📰"
+puts "This is a small Hacker News Proxy written in Ruby. It is still a work in progress, but it already allows for the fetching of articles from the main page and reading of their comments."
+puts ""
+
+class String
+  def numeric?
+    !self.match(/[^0-9]/)
+  end
+end
+
+def get_ids(url)
+  uri = URI(url)
+  res = Net::HTTP.get_response(uri)
+  ids = Array.new
+
+  if res.is_a?(Net::HTTPSuccess) then
+    res.body.gsub("[", "").gsub("]", "").split(",").each do |item|
+      ids << item
+    end
+  end
+  return ids
+end
+
+def get_stories(num)
+  counter = 0
+  json = Array.new
+
+  get_ids('https://hacker-news.firebaseio.com/v0/topstories.json?print=pretty').each do |story|
+    story = story.gsub(" ", "")
+    uri = URI("https://hacker-news.firebaseio.com/v0/item/#{story}.json?print=pretty)")
+    res = Net::HTTP.get_response(uri)
+
+    if res.is_a?(Net::HTTPSuccess) then
+      json << res.body
+      counter += 1
+      break if counter == num
+    end
+
+  end
+  return json
+end
+
+def parse_and_print(num)
+  puts "#{num} article(s) have been loaded."
+  get_stories(num).each do |story|
+    puts "## " + JSON.parse(story)["title"] + " (⇧ " + JSON.parse(story)["score"].to_s + ")"
+
+    begin
+      puts "=> " + JSON.parse(story)["url"]
+    rescue TypeError
+      puts ""
+    end
+
+    puts "✍️ By: " + JSON.parse(story)["by"]
+    puts DateTime.strptime(JSON.parse(story)["time"].to_s, "%s").strftime("🕰 Published on %d/%m/%Y at %H:%M") 
+    puts "=> comments.bliz?#{JSON.parse(story)['id']}" + " 📝 Comments (#{JSON.parse(story)['descendants']})"
+
+    puts ""
+  end
+end
+

test/greet.bliz

@@ -1,13 +0,0 @@
-%%%
-if [ $req_query = "" ]
-	gem_header 10 'text/gemini'
-else
-	gem_header 20 'text/gemini'
-end
-%%%
-
-# Greeting test
-%%%
-set name $req_query
-echo "Hello and welcome to my test, $name"
-%%%

test/test.rb

@@ -1 +0,0 @@
-puts "# This is a heading"