Add autolink (#25)

* feat: Add autolink

* test: Add autolink test cases

shard.lock

@@ -4,6 +4,10 @@ shards:
     github: Amber-Crystal/amber
     version: 0.1.6
 
+  autolink:
+    github: hugoabonizio/autolink.cr
+    version: 0.1.1
+
   baked_file_system:
     github: schovi/baked_file_system
     version: 0.9.4

shard.yml

@@ -38,6 +38,10 @@ dependencies:
   hashids:
     github: splattael/hashids.cr
 
+  autolink:
+    github: hugoabonizio/autolink.cr
+    version: 0.1.1
+
 development_dependencies:
   spec2:
     github: waterlink/spec2.cr

spec/models/announcement_spec.cr

@@ -62,6 +62,29 @@ describe Announcement do
       ann = announcement(description: "<script>console.log('hello')</script>")
       expect(ann.content).to eq "<p>&lt;script>console.log('hello')&lt;/script></p>"
     end
+
+    it "autolinks" do
+      anns = [
+        announcement(description: "http://www.myproj.com/"),
+        announcement(description: "Some new project at http://www.myproj.com/."),
+        announcement(description: "(link: http://www.myproj.com/)."),
+        announcement(description: "# Bigger example\nLorem ipsum http://www.myproj.com/."),
+      ]
+      results = [
+        "<p><a href=\"http://www.myproj.com/\">http://www.myproj.com/</a></p>",
+        "<p>Some new project at <a href=\"http://www.myproj.com/\">http://www.myproj.com/</a>.</p>",
+        "<p>(link: <a href=\"http://www.myproj.com/\">http://www.myproj.com/</a>).</p>",
+        "<h1>Bigger example</h1>\n\n<p>Lorem ipsum <a href=\"http://www.myproj.com/\">http://www.myproj.com/</a>.</p>",
+      ]
+      anns.size.times do |i|
+        expect(anns[i].content).to eq(results[i])
+      end
+    end
+
+    pending "autolink/markdown edge case" do
+      content = "<a href=\"hello\">http://example.com</a>"
+      expect(announcement(description: content).content).to eq content
+    end
   end
 
   describe "#short_path" do

src/models/announcement.cr

@@ -1,5 +1,6 @@
 require "granite_orm/adapter/pg"
 require "markdown"
+require "autolink"
 
 class Announcement < Granite::ORM
   TYPES = {
@@ -97,6 +98,6 @@ class Announcement < Granite::ORM
   end
 
   def content
-    Markdown.to_html(description.not_nil!)
+    Autolink.auto_link(Markdown.to_html(description.not_nil!))
   end
 end