Hello world

First open source release of Campfire 🎉

app/models/application_platform.rb

@@ -0,0 +1,61 @@
+class ApplicationPlatform < PlatformAgent
+  def ios?
+    match? /iPhone|iPad/
+  end
+
+  def android?
+    match? /Android/
+  end
+
+  def mac?
+    match? /Macintosh/
+  end
+
+  def chrome?
+    user_agent.browser.match? /Chrome/
+  end
+
+  def firefox?
+    user_agent.browser.match? /Firefox|FxiOS/
+  end
+
+  def safari?
+    user_agent.browser.match? /Safari/
+  end
+
+  def edge?
+    user_agent.browser.match? /Edg/
+  end
+
+  def apple_messages?
+    # Apple Messages pretends to be Facebook and Twitter bots via spoofed user agent.
+    # We want to avoid showing "Unsupported browser" message when a Campfire link
+    # is shared via Messages.
+    match?(/facebookexternalhit/i) && match?(/Twitterbot/i)
+  end
+
+  def mobile?
+    ios? || android?
+  end
+
+  def desktop?
+    !mobile?
+  end
+
+  def windows?
+    operating_system == "Windows"
+  end
+
+  def operating_system
+    case user_agent.platform
+    when /Android/   then "Android"
+    when /iPad/      then "iPad"
+    when /iPhone/    then "iPhone"
+    when /Macintosh/ then "macOS"
+    when /Windows/   then "Windows"
+    when /CrOS/      then "ChromeOS"
+    else
+      os =~ /Linux/ ? "Linux" : os
+    end
+  end
+end