1 files changed, 51 insertions, 0 deletions
diff --git a/lib/shogun/github_score.rb b/lib/shogun/github_score.rb
new file mode 100644
index 0000000..48947a0
--- /dev/null
+++ b/lib/shogun/github_score.rb
@@ -0,0 +1,51 @@
+module Shogun
+  class UserNotFound < ArgumentError
+  end
+
+  class GithubScore
+    DEFAULT_POINTS = {
+      "IssuesEvent" => 1,
+      "IssueCommentEvent" => 2,
+      "PushEvent" => 3,
+      "PullRequestReviewCommentEvent" => 4,
+      "WatchEvent" => 5,
+      "CreateEvent" => 6
+    }.freeze
+
+    def initialize(handle, points: DEFAULT_POINTS)
+      @handle = handle
+      @points = points
+    end
+
+    def score
+      calculate_score_for(events)
+    end
+
+    private
+
+    attr_reader :points, :handle
+
+    def build_url
+      "https://api.github.com/users/#{handle}/events/public"
+    end
+
+    def events
+      response = Net::HTTP.get_response(URI.parse(build_url))
+      raise UserNotFound.new(handle) if response.code == "404"
+
+      JSON.parse(response.body)
+    end
+
+    def calculate_score_for(events)
+      grouped = events.group_by { |h| h["type"] }.values
+      score = grouped.map { |g|
+        event_type = g.first["type"].strip
+        event_score = points[event_type] || 1
+        event_score * g.count
+      }.sum
+      score
+    end
+  end
+
+
+end