iqdb changes

app/logical/iqdb/command.rb

@@ -0,0 +1,29 @@
+module Iqdb
+  class Command
+    attr_reader :database
+
+    def initialize(database)
+      @database = database
+    end
+
+    def process(&block)
+      IO.popen("iqdb #{database}", "w", &block)
+    end
+
+    def add(post)
+      hex = post.id.to_s(16)
+      process do |io|
+        io.puts "add 0 #{hex} :#{post.preview_file_path}"
+        io.puts "quit"
+      end
+    end
+
+    def remove(post_id)
+      hex = post_id.to_s(16)
+      process do |io|
+        io.puts "remove 0 #{hex}"
+        io.puts "quit"
+      end
+    end
+  end
+end