1 files changed, 69 insertions, 0 deletions
diff --git a/lib/tapicero/config.rb b/lib/tapicero/config.rb
new file mode 100644
index 0000000..cb22792
--- /dev/null
+++ b/lib/tapicero/config.rb
@@ -0,0 +1,69 @@
+require 'yaml'
+
+module Tapicero
+  module Config
+    extend self
+
+    attr_accessor :users_db_name
+    attr_accessor :db_prefix
+    attr_accessor :couch_connection
+
+    def self.load(base_dir, *configs)
+      configs.each do |file_path|
+        load_config find_file(base_dir, file_path)
+      end
+    end
+
+    # TODO: enable username and password
+    def couch_host
+      couch_connection[:protocol] + '://' +
+        couch_connection[:host] + ':' +
+        couch_connection[:port] + '/'
+    end
+
+    private
+
+    def load_config(file_path)
+      return unless file_path
+      puts " * Loading configuration #{file_path}"
+      load_settings YAML.load(File.read(file_path))
+    rescue NoMethodError => exc
+      STDERR.puts "ERROR in file #{file_path}"
+      exit(1)
+    end
+
+    def load_settings(hash)
+      return unless hash
+      hash.each do |key, value|
+        apply_setting(key, value)
+      end
+    end
+
+    def apply_setting(key, value)
+      if value.is_a? Hash
+        value = symbolize_keys(value)
+      end
+      self.send("#{key}=", value)
+    rescue NoMethodError => exc
+      STDERR.puts "'#{key}' is not a valid option"
+      raise exc
+    end
+
+    def self.symbolize_keys(hsh)
+      newhsh = {}
+      hsh.keys.each do |key|
+        newhsh[key.to_sym] = hsh[key]
+      end
+      newhsh
+    end
+
+    def self.find_file(base_dir, file_path)
+      return nil unless file_path
+      if defined? CWD
+        return File.expand_path(file_path, CWD)  if File.exists?(File.expand_path(file_path, CWD))
+      end
+      return File.expand_path(file_path, base_dir) if File.exists?(File.expand_path(file_path, base_dir))
+      return nil
+    end
+  end
+end