implement iqdb wrapper

app/logical/iqdb/responses/base.rb

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+module Iqdb
+  module Responses
+    class Base
+    end
+  end
+end

app/logical/iqdb/responses/collection.rb

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+module Iqdb
+  module Responses
+    class Collection
+      def initialize(response_string)
+        @responses = response_string.split(/\n/).map do |string|
+          ::Iqdb::Responses.const_get("Response_#{string[0..2]}").new(string[4..-1])
+        end
+      end
+
+      def matches
+        @matches ||= responses.select {|x| x.is_a?(Iqdb::Responses::Response_200) && x.score >= 0.9}
+      end
+
+      def empty?
+        matches.empty?
+      end
+
+      def errored?
+        errors.any?
+      end
+
+      def errors
+        @errors ||= responses.select {|x| x.is_a?(Iqdb::Responses::Error)}.map {|x| x.to_s}
+      end
+    end
+  end
+end

app/logical/iqdb/responses/error.rb

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+module Iqdb
+  module Responses
+    class Error < Base
+    end
+  end
+end

app/logical/iqdb/responses/response_000.rb

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+module Iqdb
+  module Responses
+    class Response_000 < Base
+      def initialize(response_string)
+      end
+    end
+  end
+end

app/logical/iqdb/responses/response_100.rb

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+module Iqdb
+  module Responses
+    class Response_100 < Base
+      attr_reader :message
+
+      def initialize(response_string)
+        @message = response_string
+      end
+    end
+  end
+end

app/logical/iqdb/responses/response_101.rb

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+module Iqdb
+  module Responses
+    class Response_101 < Base
+      attr_reader :key, :value
+
+      def initialize(response_string)
+        @key, @value = response_string.split(/\=/)
+      end
+    end
+  end
+end

app/logical/iqdb/responses/response_102.rb

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+module Iqdb
+  module Responses
+    class Response_102 < Base
+      attr_reader :dbid, :filename
+
+      def initialize(response_string)
+        @dbid, @filename = response_string.split(/ /)
+      end
+    end
+  end
+end

app/logical/iqdb/responses/response_200.rb

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+module Iqdb
+  module Responses
+    class Response_200 < Base
+      attr_reader :imgid, :score, :width, :height
+
+      def initialize(response_string)
+        @imgid, @score, @width, @height = response_string.split(/ /)
+        @score = score.to_f
+        @width = width.to_i
+        @height = height.to_i
+      end
+
+      def post_id
+        imgid.to_i(16)
+      end
+    end
+  end
+end

app/logical/iqdb/responses/response_201.rb

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+module Iqdb
+  module Responses
+    class Response_201 < Base
+      attr_reader :dbid, :imgid, :score, :width, :height
+
+      def initialize(response_string)
+        @dbid, @imgid, @score, @width, @height = response_string.split(/ /)
+        @dbid = dbid.to_i
+        @score = score.to_f
+        @width = width.to_i
+        @height = height.to_i
+      end
+
+      def post_id
+        imgid.to_i(16)
+      end
+    end
+  end
+end

app/logical/iqdb/responses/response_202.rb

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+module Iqdb
+  module Responses
+    class Response_202 < Base
+      attr_reader :original_id, :stddev, :dupes
+
+      def initialize(response_string)
+        response_string =~ /^(\d+)=([0-9.]+)/
+        @original_id = $1
+        @stddev = $2
+
+        @dupes = response_string.scan(/(\d+):([0-9.]+)/).map {|x| [x[0].to_i(16), x[1].to_f]}
+      end
+
+      def original_post_id
+        original_id.to_i(16)
+      end
+    end
+  end
+end

app/logical/iqdb/responses/response_300.rb

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+module Iqdb
+  module Responses
+    class Response_300 < Error
+      attr_reader :message
+
+      def initialize(response_string)
+        @message = response_string
+      end
+
+      def to_s
+        "Error: #{message}"
+      end
+    end
+  end
+end

app/logical/iqdb/responses/response_301.rb

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+module Iqdb
+  module Responses
+    class Response_301 < Error
+      attr_reader :exception, :description
+
+      def initialize(response_string)
+        response_string =~ /^(\S+) (.+)/
+        @exception = $1
+        @description = $2
+      end
+
+      def to_s
+        "Exception: #{exception}: #{description}"
+      end
+    end
+  end
+end

app/logical/iqdb/responses/response_302.rb

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+module Iqdb
+  module Responses
+    class Response_302 < Error
+      attr_reader :exception, :description
+
+      def initialize(response_string)
+        response_string =~ /^(\S+) (.+)/
+        @exception = $1
+        @description = $2
+      end
+
+      def to_s
+        "Fatal Exception: #{exception}: #{description}"
+      end
+    end
+  end
+end