Add support for creating downloads

lib/octokit/client/downloads.rb

@@ -24,6 +24,39 @@ def downloads(repo, options={})
       def download(repo, id, options={})
         get("repos/#{Repository.new(repo)}/downloads/#{id}", options, 3)
       end
+
+
+      def create_download(repo, name, options={})
+        options[:content_type] ||= 'text/plain'
+        file = Faraday::UploadIO.new(name, options[:content_type])
+        resource = create_download_resource(repo, file.original_filename, file.size, options)
+
+        resource_hash = {
+          'key' => resource.path,
+          'acl' => resource.acl,
+          'success_action_status' => 201,
+          'Filename' => resource.name,
+          'AWSAccessKeyId' => resource.accesskeyid,
+          'Policy' => resource.policy,
+          'Signature' => resource.signature,
+          'Content-Type' => resource.mime_type,
+          'file' => file
+        }
+
+        conn = Faraday.new(resource.s3_url) do |builder|
+          builder.request :multipart
+          builder.request :url_encoded
+          builder.adapter :net_http
+        end
+
+        response = conn.post '/', resource_hash
+        response.status == 201  
+      end
+
+      private
+      def create_download_resource(repo, name, size, options={})
+        post("/repos/#{Repository.new(repo)}/downloads", options.merge({:name => name, :size => size}))
+      end
     end
   end
 end

spec/fixtures/v3/download_create.json

@@ -0,0 +1,21 @@
+{
+  "url": "https://api.github.com/repos/octocat/Hello-World/downloads/1",
+  "html_url": "https://github.com/repos/octocat/Hello-World/downloads/new_file.jpg",
+  "id": 1,
+  "name": "new_file.jpg",
+  "description": "Description of your download",
+  "size": 1024,
+  "download_count": 40,
+  "content_type": ".jpg",
+  "policy": "ewogICAg...",
+  "signature": "mwnFDC...",
+  "bucket": "github",
+  "accesskeyid": "1ABCDEFG...",
+  "path": "downloads/ocotocat/Hello-World/new_file.jpg",
+  "acl": "public-read",
+  "expirationdate": "2011-04-14T16:00:49Z",
+  "prefix": "downloads/octocat/Hello-World/",
+  "mime_type": "image/jpeg",
+  "redirect": false,
+  "s3_url": "https://github.s3.amazonaws.com/"
+}

spec/octokit/client/downloads_spec.rb

@@ -7,7 +7,7 @@
     @client = Octokit::Client.new(:login => 'sferik')
   end
 
-  describe ".downloads" do
+  describe ".getting downloads" do
 
     it "should list available downloads" do
       stub_get("/repos/github/hubot/downloads").
@@ -16,10 +16,6 @@
       downloads.first.description.should == "Robawt"
     end
 
-  end
-
-  describe ".download" do 
-
     it "should get a single download" do
       stub_get("/repos/github/hubot/downloads/165347").
         to_return(:body => fixture("v3/download.json"))
@@ -30,4 +26,25 @@
 
   end
 
+  describe ".create a download" do
+    before(:each) do 
+      stub_post("/repos/octocat/Hello-World/downloads").
+        with(:body => {:name => "download_create.json", :size => 690, 
+                       :description => "Description of your download",
+                       :content_type => "text/plain" }).
+        to_return(:body => fixture("v3/download_create.json"))
+    end
+    it "should create a download resource" do
+      resource = @client.send(:create_download_resource, "octocat/Hello-World", "download_create.json", 690, {:description => "Description of your download", :content_type => "text/plain"})
+      resource.s3_url.should == "https://github.s3.amazonaws.com/"
+    end
+
+    it "should post to a S3 url" do
+      stub_post("https://github.s3.amazonaws.com/").
+        to_return(:status => 201)
+      file_path = File.expand_path 'spec/fixtures/v3/download_create.json'
+      @client.create_download("octocat/Hello-World", file_path, {:description => "Description of your download", :content_type => "text/plain"}).should == true
+    end
+  end
+
 end