1 files changed, 66 insertions, 0 deletions
diff --git a/lib/error.rb b/lib/error.rb
new file mode 100644
index 0000000..39b3c76
--- /dev/null
+++ b/lib/error.rb
@@ -0,0 +1,66 @@
+module OpenToxError
+  attr_accessor :http_code, :message, :cause
+  def initialize message=nil
+    message = message.to_s.gsub(/\A"|"\Z/, '') if message # remove quotes
+    super message
+    @http_code ||= 500
+    @message = message.to_s
+    @cause = cut_backtrace(caller)
+    $logger.error("\n"+JSON.pretty_generate({
+      :http_code => @http_code,
+      :message => @message,
+      :cause => @cause
+    })) 
+  end
+  
+  def cut_backtrace(trace)
+    if trace.is_a?(Array)
+      cut_index = trace.find_index{|line| line.match(/sinatra|minitest/)}
+      cut_index ||= trace.size
+      cut_index -= 1
+      cut_index = trace.size-1 if cut_index < 0
+      trace[0..cut_index]
+    else
+      trace
+    end
+  end
+
+end
+
+class RuntimeError
+  include OpenToxError
+end
+
+# clutters log file with library errors 
+#class NoMethodError
+  #include OpenToxError
+#end
+
+module OpenTox
+
+  class Error < RuntimeError
+    include OpenToxError
+    
+    def initialize(code, message=nil)
+      @http_code = code
+      super message
+    end
+  end
+
+  # OpenTox errors
+  RestClientWrapper.known_errors.each do |error|
+    # create error classes 
+    c = Class.new Error do
+      define_method :initialize do |message=nil|
+        super error[:code], message
+      end
+    end
+    OpenTox.const_set error[:class],c
+    
+    # define global methods for raising errors, eg. bad_request_error
+    Object.send(:define_method, error[:method]) do |message|
+      raise c.new(message)
+    end
+  end
+  
+end