Rails BeatDB draft

rails/app/models/beatdb.rb

@@ -0,0 +1,33 @@
+class BeatDB
+  @@db_root = '/www/beatdb'
+  
+  def self.get key
+    unless self.exists(key) || File.readable?(self.filePathByKey(key))
+      return false
+    end
+    h = File.open(self.filePathByKey(key), 'r')
+    JSON.decode(h.readline)
+  end
+  
+  def self.set key, data
+    unless self.exists(key) || File.writable?(self.filePathByKey(key))
+      return false
+    end
+    h = File.open(self.filePathByKey(key), 'w')
+    h.puts(JSON.encode(data))
+  end
+  
+  def self.delete key
+    
+  end
+  
+  def self.exists key
+    File.exists?(self.filePathByKey(key))
+  end
+  
+  def self.filePathByKey key
+    path = ''
+    key.to_s.each_char {|c| path << '/' + c}
+    @@db_root + path[0..(path.length-2)] <<  key.to_s + '.json'
+  end
+end