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package_table.rb
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package_table.rb
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# -*- coding: utf-8 -*-
#
# @file
# @brief
# @author ongaeshi
# @date 2012/05/29
require 'milkode/common/util'
module Milkode
class PackageTable
include Enumerable
def self.define_schema
Groonga::Schema.define do |schema|
schema.create_table("packages", :type => :hash) do |table|
table.string("name")
table.string("directory")
table.time("addtime")
table.time("updatetime")
table.time("viewtime")
table.time("favtime")
end
end
end
def initialize(table)
@table = table
end
def size
@table.size
end
def add(name, directory, options)
now = Time.now
@table.add(name,
:name => name,
:directory => directory,
:addtime => now,
:updatetime => options[:same_add] ? now : Time.at(0),
:viewtime => options[:same_add] ? now : Time.at(0),
:favtime => options[:fav] ? now : Time.at(0))
end
def remove(name)
@table[name].delete
end
def remove_all
self.each do |r|
remove(r.name)
end
end
def [](name)
@table[name]
end
def each
@table.select.each do |r|
yield r
end
end
def sort(kind, order = "descending")
Util.groonga_table_sort(@table, [{:key => kind, :order => order}])
end
def dump
self.each do |r|
p [r.name, r.addtime, r.updatetime, r.viewtime, r.favtime]
end
end
def touch(name, kind, time = Time.now)
@table[name][kind] = time
end
def touch_if(name, kind, time = Time.now)
record = @table[name]
if record
record[kind] = time
else
nil
end
end
def favs
sorted = sort('favtime')
zero_time = Time.at(0)
index = sorted.find_index {|v| v.favtime == zero_time}
unless index.nil?
sorted[0...index]
else
sorted
end
end
def fav?(name)
@table[name].favtime != Time.at(0)
end
end
end