实践课程

lib/tasks/statistic_subject_info.rake

@@ -56,14 +56,14 @@ namespace :subjects do
         puts("---------------------course_info_statistic: #{subject.id}")
         Rails.logger.info("---------------------course_info_statistic: #{subject.id}")
         data = Subjects::CourseUsedInfoService.call(subject)
-        Parallel.map_with_index(data) do |key, index|
+        data.each do |key|
           next if key[:school_id].nil?
           str += ", " unless str.empty?
           str += ("(#{subject.id}, #{key[:school_id]}, '#{key[:school_name]}', #{key[:course_count]}, " +
               "#{key[:student_count]}, #{key[:choice_shixun_num]}, #{key[:choice_shixun_frequency]}, " +
               "'#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')")
           buffer_size += 1
-          if buffer_size == 1000 || (index + 1) == data.size
+          if buffer_size == 1000 || key == data.last
             sql = "REPLACE INTO subject_course_records(#{column_value}) VALUES #{str}"
             puts sql
             ActiveRecord::Base.connection.execute sql
@@ -95,7 +95,7 @@ namespace :subjects do
         puts("---------------------shixun_info_statistic: #{subject.id}")
         Rails.logger.info("---------------------shixun_info_statistic: #{subject.id}")
         data = Subjects::ShixunUsedInfoService.call(subject)
-        data.each_with_index do |key, index|
+        data.each do |key|
           next if key[:shixun_id].nil?
           str += ", " unless str.empty?
           str += ("(#{subject.id}, #{key[:shixun_id]}, '#{key[:stage]}', '#{key[:name]}', #{key[:challenge_count]}, " +
@@ -103,7 +103,7 @@ namespace :subjects do
               "#{key[:evaluate_count]}, #{key[:passed_ave_time]}, " +
               "'#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')")
           buffer_size += 1
-          if buffer_size == 1000 || (index+1) == data.size
+          if buffer_size == 1000 || key == data.last
             sql = "REPLACE INTO subject_shixun_infos(#{column_value}) VALUES #{str}"
             puts sql
             ActiveRecord::Base.connection.execute sql
@@ -142,7 +142,7 @@ namespace :subjects do
               "#{key[:passed_games_count]}, #{key[:code_line_count]}, #{key[:evaluate_count]}, #{key[:cost_time]}, " +
               "'#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')")
           buffer_size += 1
-          if buffer_size == 1000 || (index+1 == data.size)
+          if buffer_size == 1000 || (key == data.last)
             sql = "REPLACE INTO subject_user_infos(#{column_value}) VALUES #{str}"
             ActiveRecord::Base.connection.execute sql
             str = ""