Merge pull request #3 from azul/refactor/transport-adapters

Refactor em specifics into http adapter

2 files changed, 90 insertions, 0 deletions

diff --git a/lib/nickserver/couch_db/response.rb b/lib/nickserver/couch_db/response.rb
new file mode 100644
index 0000000..c6afe03
--- /dev/null
+++ b/lib/nickserver/couch_db/response.rb
@@ -0,0 +1,51 @@
+require 'nickserver/couch_db'
+require 'json'
+
+module Nickserver::CouchDB
+  class Response
+
+    def initialize(nick, couch_response = {})
+      @nick = nick
+      @couch_status = couch_response[:status]
+      @json = JSON.load(couch_response[:body]) if couch_status == 200
+    end
+
+    def status
+      if ok? && empty? then 404
+      else couch_status
+      end
+    end
+
+    def content
+      key_response if ok? && !empty?
+    end
+
+    protected
+
+    def key_response
+      format address: nick.to_s, openpgp: key
+    end
+
+    def format(response)
+      response.to_json
+    end
+
+    def key
+      rows.first["value"]
+    end
+
+    def ok?
+      couch_status == 200
+    end
+
+    def empty?
+      rows.empty?
+    end
+
+    def rows
+      json["rows"]
+    end
+
+    attr_reader :couch_status, :json, :nick
+  end
+end
diff --git a/lib/nickserver/couch_db/source.rb b/lib/nickserver/couch_db/source.rb
new file mode 100644
index 0000000..874fe4f
--- /dev/null
+++ b/lib/nickserver/couch_db/source.rb
@@ -0,0 +1,39 @@
+#
+# This class allows querying couch for public keys.
+#
+require 'nickserver/couch_db/response'
+require 'nickserver/config'
+
+module Nickserver::CouchDB
+  class Source
+
+    VIEW = '/_design/Identity/_view/pgp_key_by_email'
+
+    def initialize(adapter)
+      @adapter = adapter
+    end
+
+    def query(nick)
+      adapter.get url, query: query_for(nick) do |status, body|
+        yield Response.new(nick, status: status, body: body)
+      end
+    end
+
+    protected
+
+    def url
+      Nickserver::Config.couch_url + VIEW
+    end
+
+    def query_for(nick)
+      { reduce: "false", key: "\"#{nick}\"" }
+    end
+
+    def adapter
+      @adapter
+      # Nickserver::Adapters::Http.new(config)
+    end
+
+    attr_reader :config
+  end
+end