From 4b8a8856debbc66770ede4d779dc451a03f656bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Paul=20W=C3=BCrtz?= <paulwuertz@posteo.de>
Date: Fri, 24 Apr 2020 03:42:16 +0200
Subject: [PATCH] closes #28 - adding a .py script to download the original
 problems texts, saving it localy as a json and displaying it in the
 translation view

---
 app/controllers/euler_problem_texts.py        | 20 +++++++++++++++++++
 app/controllers/translations_controller.rb    |  6 ++++++
 .../_translation-tips.de.html.erb             | 14 ++++++++-----
 3 files changed, 35 insertions(+), 5 deletions(-)
 create mode 100755 app/controllers/euler_problem_texts.py

diff --git a/app/controllers/euler_problem_texts.py b/app/controllers/euler_problem_texts.py
new file mode 100755
index 0000000..af4345b
--- /dev/null
+++ b/app/controllers/euler_problem_texts.py
@@ -0,0 +1,20 @@
+import requests, json
+from bs4 import BeautifulSoup
+
+URL = "https://projecteuler.net/problem={}"
+
+def getBS(url):
+    r  = requests.get(url)
+    data = r.text
+    return BeautifulSoup(data,"lxml")
+
+problems = {}
+for i in range(1, 701):
+    print(i)
+    problem = getBS(URL.format(i))
+    problem_tag = problem.find("div", {"class":"problem_content"})
+    problem_title = problem.find("h2").text
+    problem_html = str(problem_tag).replace("project/images/", "https://projecteuler.net/project/images/")
+    problems[i] = {"title":problem_title, "problem":problem_html}
+
+open("problems.json", "w"). write(json.dumps(problems, ensure_ascii=False, indent=4))
\ No newline at end of file
diff --git a/app/controllers/translations_controller.rb b/app/controllers/translations_controller.rb
index 63495e9..e6702db 100644
--- a/app/controllers/translations_controller.rb
+++ b/app/controllers/translations_controller.rb
@@ -1,9 +1,15 @@
+require "json"
+
 class TranslationsController < ApplicationController
   before_action :set_problem, only: [:new, :create]
   before_action :set_accept, only: [:create]
 
   # GET /translations/new
   def new
+    file = File.open "app/controllers/problems.json"
+    problem_json = JSON.load file
+    @original_title = problem_json[@problem.id.to_s]["title"]
+    @original_problem = problem_json[@problem.id.to_s]["problem"]
     @translation = @problem.translations.build
     if @problem.is_translated?
       @translation.title = @problem.translation.title
diff --git a/app/views/translations/_translation-tips.de.html.erb b/app/views/translations/_translation-tips.de.html.erb
index e0bb687..d02d798 100644
--- a/app/views/translations/_translation-tips.de.html.erb
+++ b/app/views/translations/_translation-tips.de.html.erb
@@ -4,15 +4,19 @@
   </div>
   <div class='card-body'>
     <ul>
-      <li>Als Basis für jede Übersetzung dient der HTML-Quelltext von projecteuler.net.
-        Dazu gehen Sie auf die entsprechende <%= link_to "Problem-Seite", @problem.original_url, target: '_blank' %>.
-        Dort öffnen Sie den HTML-Quelltext (z.B. mit <code>Strg+U</code> in Firefox) und kopieren alles zwischen <code>&lt;div class=&quot;problem_content&quot; role=&quot;problem&quot;&gt;</code> und <code>&lt;/div&gt;</code>.
-        Diesen Quelltext fügen Sie auf dieser Seite ein.
-        In Zukunft sollen diese Schritte automatisch passieren.</li>
+      <li>Als Basis für jede Übersetzung dient der <%= link_to "Text von projecteuler.net", @problem.original_url, target: '_blank' %>.</li>
       <li>Der HTML-Quelltext sollte im Allgemeinen unverändert bleiben.</li>
       <li>Querverweise zu anderen Problemen sollten in der Form <code>/problem=??</code> erfolgen.</li>
       <li>Wenn Grafiken oder Dateien verwendet werden, sollte die URL <code>https://projecteuler.net/...</code> verwendet werden.</li>
       <li>Die Sie-Form benutzen.</li>
     </ul>
   </div>
+</div>
+<div class="card mt-3 mb-3">
+  <div class="card-header">
+    Originaler Text der Aufgabe <i>"<%= @original_title %>"<i>
+  </div>
+  <div class='card-body'>
+  <%= raw(@original_problem) %>
+  </div>
 </div>
\ No newline at end of file