From dfd1b47fd5159d4d93a0aafa918419ff5c547dcd Mon Sep 17 00:00:00 2001
From: Takuya Okada <pitipitiunsyumikan@gmail.com>
Date: Thu, 8 Oct 2015 18:15:21 +0900
Subject: [PATCH] Add cleaner reporter

To use this function, write the following setting to ~/.config/nomrat/cleaner.yml

---
token:     "hoge-0123456789-0123456789-0123456789-a1aa11"
channel:   "sandbox"
---
 bin/nomnichi_bot               |  2 +-
 lib/nomrat/reporter.rb         |  5 +--
 lib/nomrat/reporter/cleaner.rb | 27 ++++++++++++++++
 lib/nomrat/scrap.rb            |  4 ++-
 lib/nomrat/scrap/cleaner.rb    | 56 ++++++++++++++++++++++++++++++++++
 5 files changed, 90 insertions(+), 4 deletions(-)
 create mode 100644 lib/nomrat/reporter/cleaner.rb
 create mode 100644 lib/nomrat/scrap/cleaner.rb

diff --git a/bin/nomnichi_bot b/bin/nomnichi_bot
index 89d47e2..2c53774 100755
--- a/bin/nomnichi_bot
+++ b/bin/nomnichi_bot
@@ -58,7 +58,7 @@ if str = ARGV.shift
     sender.send_message(str, $NOMRAT_CHANNEL)
   end
 else
-  subjects = [:nomnichi, :tvshow, :weather, :security_advisory, :calendar]
+  subjects = [:nomnichi, :tvshow, :weather, :security_advisory, :calendar, :cleaner]
 
   subjects.each do |subject|
     print "* #{subject}:\n" if $NOMRAT_TEST || $NOMRAT_DEBUG
diff --git a/lib/nomrat/reporter.rb b/lib/nomrat/reporter.rb
index 80c377f..6d45ae0 100644
--- a/lib/nomrat/reporter.rb
+++ b/lib/nomrat/reporter.rb
@@ -7,7 +7,8 @@ def self.report(subject)
         :nomnichi          => Nomnichi,
         :security_advisory => SecurityAdvisory,
         :tvshow            => Tvshow,
-        :weather           => Weather
+        :weather           => Weather,
+        :cleaner           => Cleaner,
       }
       return reporters[subject].new.report if reporters[subject]
       raise ArgumentError, "unknown subject #{subject}"
@@ -19,6 +20,6 @@ def self.report(subject)
     autoload :SecurityAdvisory, "#{dir}/security_advisory.rb"
     autoload :Tvshow,           "#{dir}/tvshow.rb"
     autoload :Weather,          "#{dir}/weather.rb"
-
+    autoload :Cleaner,          "#{dir}/cleaner.rb"
   end # module Reporter
 end # module Nomrat
diff --git a/lib/nomrat/reporter/cleaner.rb b/lib/nomrat/reporter/cleaner.rb
new file mode 100644
index 0000000..1676a7f
--- /dev/null
+++ b/lib/nomrat/reporter/cleaner.rb
@@ -0,0 +1,27 @@
+module Nomrat
+  module Reporter
+    class Cleaner
+      CLEAN_WDAY = 1 # Monday
+
+      def report
+        return nil unless Date.today.wday == CLEAN_WDAY
+        before_cleaner = Nomrat::Scrap.open(:cleaner).last.cleaner
+        return "今週の掃除当番は #{next_cleaner(before_cleaner)} です．掃除後に報告をお願いします．"
+      end
+
+      private
+
+      def cleaners
+        return %w(
+           okada kitagaki masuda-y
+           ikeda-y ichikawa kobayashi nakamura fujita
+           emi suetake sugi date yoshida-h
+        )
+      end
+
+      def next_cleaner(before_cleaner)
+        cleaners[cleaners.index(before_cleaner) + 1]
+      end
+    end # class Cleaner
+  end # module Reporter
+end # module Nomrat
diff --git a/lib/nomrat/scrap.rb b/lib/nomrat/scrap.rb
index 4215dfa..8f95964 100644
--- a/lib/nomrat/scrap.rb
+++ b/lib/nomrat/scrap.rb
@@ -10,7 +10,8 @@ def self.open(scrap_name)
         :debian_security_advisory => DebianSecurityAdvisory,
         :nomnichi                 => Nomnichi,
         :kinro                    => Kinro,
-        :weather                  => Weather
+        :weather                  => Weather,
+        :cleaner                  => Cleaner
       }
       if scraps[scrap_name]
         config = Config.load(scrap_name)
@@ -26,6 +27,7 @@ def self.open(scrap_name)
     autoload :Nomnichi,               "#{dir}/nomnichi.rb"
     autoload :Kinro,                  "#{dir}/kinro.rb"
     autoload :Weather,                "#{dir}/weather.rb"
+    autoload :Cleaner,                "#{dir}/cleaner.rb"
 
   end # module Scrap
 end # module Nomrat
diff --git a/lib/nomrat/scrap/cleaner.rb b/lib/nomrat/scrap/cleaner.rb
new file mode 100644
index 0000000..30fc322
--- /dev/null
+++ b/lib/nomrat/scrap/cleaner.rb
@@ -0,0 +1,56 @@
+require "json"
+
+module Nomrat
+  module Scrap
+    class Cleaner < Base
+      class Article
+        attr_reader :date, :cleaner
+
+        def initialize(date, cleaner)
+          @date, @cleaner = date, cleaner
+          @date = Date.parse(date) if date.is_a?(String)
+        end
+      end # class Article
+
+      def initialize(config = nil)
+        @token   = config["token"]
+        @channel = config["channel"]
+        @members = create_members
+
+        @articles = create_articles(fetch_content(config))
+      end
+
+      private
+
+      def create_articles(content)
+        messages = JSON.parse(content)["messages"]
+        cleaner_messages = messages.select{|m| m["text"] =~ /掃除を完了しました/}
+        articles = cleaner_messages.map do |m|
+          time = Time.at(m["ts"].to_i)
+          date = Date.new(time.year, time.month, time.day)
+          cleaner = @members[m["user"]]
+          Article.new(date, cleaner)
+        end
+        return articles
+      end
+
+      def page_url
+        "https://slack.com/api/channels.history?token=#{@token}&channel=#{channel_id}"
+      end
+
+      def create_members
+        members_info = JSON.parse(open("https://slack.com/api/users.list?token=#{@token}").read)["members"]
+        h = Hash.new
+        members_info.each do |m|
+          h[m["id"]] = m["name"]
+        end
+        h
+      end
+
+      def channel_id
+        channels_info = JSON.parse(open("https://slack.com/api/channels.list?token=#{@token}").read)["channels"]
+        channel_info = channels_info.select{|c| c["name"] == @channel}.first["id"]
+      end
+    end # class Cleaner
+  end # module Scrap
+end # module Nomrat