84 lines
2.5 KiB
Ruby
84 lines
2.5 KiB
Ruby
module JamRuby
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class Country < ActiveRecord::Base
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@@log = Logging.logger[Country]
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self.table_name = 'countries'
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def self.get_all()
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self.order('countryname asc').all
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end
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def self.import_from_iso3166(options)
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file = options[:file]
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use_copy = options[:use_copy] ||= false
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start = Time.now
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copied_table_name = Database.copy_table(self.table_name)
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if use_copy
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Database.copy(copied_table_name, file)
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else
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File.open(file, 'r:ISO-8859-1') do |io|
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saved_level = ActiveRecord::Base.logger ? ActiveRecord::Base.logger.level : 0
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count = 0
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stmt = "INSERT INTO #{copied_table_name} (countrycode, countryname) VALUES"
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vals = ''
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sep = ''
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i = 0
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n = 20
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csv = ::CSV.new(io, {encoding: 'ISO-8859-1', headers: false})
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csv.each do |row|
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vals = vals+sep+"(#{ActiveRecord::Base.quote_value(row[0], nil)}, #{ActiveRecord::Base.quote_value(row[1], nil)})"
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sep = ','
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i += 1
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if count == 0 or i >= n then
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self.connection.execute stmt+vals
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count += i
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vals = ''
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sep = ''
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i = 0
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if ActiveRecord::Base.logger and ActiveRecord::Base.logger.level > 1 then
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ActiveRecord::Base.logger.debug "... logging inserts into #{copied_table_name} suspended ..."
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ActiveRecord::Base.logger.level = 1
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end
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if ActiveRecord::Base.logger and count%10000 < n then
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ActiveRecord::Base.logger.level = saved_level
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ActiveRecord::Base.logger.debug "... inserted #{count} into #{copied_table_name} ..."
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ActiveRecord::Base.logger.level = 1
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end
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end
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end
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if i > 0
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self.connection.execute stmt+vals
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count += i
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end
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if ActiveRecord::Base.logger then
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ActiveRecord::Base.logger.level = saved_level
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ActiveRecord::Base.logger.debug "loaded #{count} records into #{copied_table_name}"
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end
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end # file
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end
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elapsed = Time.now - start
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@@log.debug("#{copied_table_name} import took #{elapsed} seconds")
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end
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def self.after_maxmind_import
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self.connection.execute("DROP TABLE #{self.table_name}").check
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self.connection.execute("ALTER TABLE #{self.table_name}_copied RENAME TO #{self.table_name}").check
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end
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end
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end
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