md兼容KE问题

app/views/shixuns/index.json.jbuilder

@@ -8,3 +8,25 @@ json.search_tags @search_tags
 json.shixuns do
   json.partial! 'shixun', locals: {shixuns: @shixuns}
 end
+
+s_s = '<p>
+	作业要求：
+</p>
+<p>
+	&nbsp;&nbsp;&nbsp;&nbsp; 1、本作业要求分组完成一个大型程序
+</p>
+<p>
+	&nbsp;&nbsp;&nbsp;&nbsp; 2、请按任课教师要求分组
+</p>
+<p>
+	&nbsp;&nbsp;&nbsp;&nbsp; 3、每组建议为1-2人，
+</p>
+<p>
+	&nbsp;&nbsp;&nbsp;&nbsp; 4、每个人都需要完成必要的工作任务并及时提交个人的过程材料
+</p>
+<p>
+	&nbsp;&nbsp;&nbsp;&nbsp; 5、上传的单个文件大小不能超过2GB
+</p>'
+
+json.html_contents sanitize(s_s, tags: %w(img a table tr td tbody pre), attributes: %w(src href target style)).gsub(">\n<", "><")
+                       .gsub(/^\n/, "").gsub("    ", "").gsub(/(\n)+/, "<br />").gsub("\t", "  ").gsub("\n", "").gsub("    ", "  ")

db/migrate/20190805010546_modify_ke_contents_for_markdown.rb

@@ -1,48 +0,0 @@
-class ModifyKeContentsForMarkdown < ActiveRecord::Migration[5.2]
-  include ActionView::Helpers::SanitizeHelper
-  def change
-    # def ke_transform_to_md content
-    #   return content if content.blank?
-    #   s_contents = sanitize(content, tags: %w(img a span table td tr tbody pre), attributes: %w(src href target style))
-    #   s_contents.gsub(/^(\n)/, "").gsub(/(\n)+/, "<br>").gsub(/$(\n)/, "")
-    #       .gsub(/(\n)+/, "<br>").gsub("\t", "  ")
-    # end
-    #
-    # # 课程讨论区
-    # MessageDetail.find_each do |m|
-    #   content = ke_transform_to_md m.content
-    #   m.update_column(:content, content)
-    # end
-    #
-    # # 试卷的标题
-    # ExerciseQuestion.find_each do |eq|
-    #   question_title = ke_transform_to_md eq.question_title
-    #   eq.update_column(:question_title, question_title)
-    # end
-    #
-    # # 试卷的答案
-    # ExerciseStandardAnswer.find_each do |esa|
-    #   answer_text = ke_transform_to_md esa.answer_text
-    #   esa.update_column(:answer_text, answer_text)
-    # end
-    #
-    # # 试卷题库的问题标题
-    # ExerciseBankQuestion.find_each do |ebq|
-    #   question_title = ke_transform_to_md ebq.question_title
-    #   ebq.update_column(:question_title, question_title)
-    # end
-    #
-    # # 试卷答案
-    # ExerciseBankStandardAnswer.find_each do |ebsa|
-    #   answer_text = ke_transform_to_md ebsa.answer_text
-    #   ebsa.update_column(:answer_text, answer_text)
-    # end
-    #
-    # # 问卷的标题
-    # PollQuestion.find_each do |pq|
-    #   question_title = ke_transform_to_md pq.question_title
-    #   pq.update_column(:question_title, question_title)
-    # end
-
-  end
-end

db/migrate/20190805010547_modify_ke_contents_for_markdown.rb

@@ -0,0 +1,48 @@
+class ModifyKeContentsForMarkdown < ActiveRecord::Migration[5.2]
+  include ActionView::Helpers::SanitizeHelper
+  def change
+    def ke_transform_to_md content
+      return content if content.blank?
+      s_contents = sanitize(content, tags: %w(img a span table td tr tbody pre), attributes: %w(src href target style))
+      s_contents.gsub(">\n<", "><").gsub(/^\n/, "").gsub("    ", "").gsub(/(\n)+/, "<br />")
+          .gsub("\t", "  ").gsub("\n", "").gsub("    ", "  ")
+    end
+
+    # 课程讨论区
+    MessageDetail.find_each do |m|
+      content = ke_transform_to_md m.content
+      m.update_column(:content, content)
+    end
+
+    # 试卷的标题
+    ExerciseQuestion.find_each do |eq|
+      question_title = ke_transform_to_md eq.question_title
+      eq.update_column(:question_title, question_title)
+    end
+
+    # 试卷的答案
+    ExerciseStandardAnswer.find_each do |esa|
+      answer_text = ke_transform_to_md esa.answer_text
+      esa.update_column(:answer_text, answer_text)
+    end
+
+    # 试卷题库的问题标题
+    ExerciseBankQuestion.find_each do |ebq|
+      question_title = ke_transform_to_md ebq.question_title
+      ebq.update_column(:question_title, question_title)
+    end
+
+    # 试卷答案
+    ExerciseBankStandardAnswer.find_each do |ebsa|
+      answer_text = ke_transform_to_md ebsa.answer_text
+      ebsa.update_column(:answer_text, answer_text)
+    end
+
+    # 问卷的标题
+    PollQuestion.find_each do |pq|
+      question_title = ke_transform_to_md pq.question_title
+      pq.update_column(:question_title, question_title)
+    end
+
+  end
+end

db/migrate/20190806062209_second_mofidy_ke_contents_for_md.rb

@@ -1,63 +1,64 @@
 class SecondMofidyKeContentsForMd < ActiveRecord::Migration[5.2]
   include ActionView::Helpers::SanitizeHelper
   def change
-    # def ke_transform_to_md content
-    #   return content if content.blank?
-    #   s_contents = sanitize(content, tags: %w(img a span table td tr tbody pre), attributes: %w(src href target style))
-    #   s_contents.gsub(/^(\n)/, "").gsub(/(\n)+/, "<br>").gsub(/$(\n)/, "")
-    #       .gsub(/(\n)+/, "<br>").gsub("\t", "  ")
-    # end
-    #
-    # # 作业
-    # HomeworkCommon.find_each do |hc|
-    #   description = ke_transform_to_md hc.description
-    #   reference_answer = ke_transform_to_md hc.reference_answer
-    #   explanation = ke_transform_to_md hc.explanation
-    #   hc.update_attributes(description: description, reference_answer: reference_answer, explanation: explanation)
-    # end
-    #
-    # # 作业题库
-    # HomeworkBank.find_each do |hb|
-    #   description = ke_transform_to_md hb.description
-    #   reference_answer = ke_transform_to_md hb.reference_answer
-    #   hb.update_attributes(description: description, reference_answer: reference_answer)
-    # end
-    #
-    # # 毕业任务
-    # GraduationTask.find_each do |gt|
-    #   description = ke_transform_to_md gt.description
-    #   gt.update_column(:description, description)
-    # end
-    #
-    # # 毕设选题
-    # GraduationTopic.find_each do |gt|
-    #   description = ke_transform_to_md gt.description
-    #   gt.update_column(:description, description)
-    # end
-    #
-    # # 毕设作品
-    # GraduationWork.find_each do |gw|
-    #   description = ke_transform_to_md gw.description
-    #   gw.update_column(:description, description)
-    # end
-    #
-    # # 毕设任务题库
-    # GtaskBank.find_each do |gb|
-    #   description = ke_transform_to_md gb.description
-    #   gb.update_column(:description, description)
-    # end
-    #
-    # # 毕设选题题库
-    # GtopicBank.find_each do |gb|
-    #   description = ke_transform_to_md gb.description
-    #   gb.update_column(:description, description)
-    # end
-    #
-    # # 交流问答
-    # Memo.find_each do |m|
-    #   content = ke_transform_to_md m.content
-    #   m.update_column(:content, content)
-    # end
+    def ke_transform_to_md content
+      return content if content.blank?
+      s_contents = sanitize(content, tags: %w(img a span table td tr tbody pre), attributes: %w(src href target style))
+      s_contents.gsub(">\n<", "><").gsub(/^\n/, "").gsub("    ", "").gsub(/(\n)+/, "<br />")
+          .gsub("\t", "  ").gsub("\n", "").gsub("    ", "  ")
+
+    end
+
+    # 作业
+    HomeworkCommon.find_each do |hc|
+      description = ke_transform_to_md hc.description
+      reference_answer = ke_transform_to_md hc.reference_answer
+      explanation = ke_transform_to_md hc.explanation
+      hc.update_attributes(description: description, reference_answer: reference_answer, explanation: explanation)
+    end
+
+    # 作业题库
+    HomeworkBank.find_each do |hb|
+      description = ke_transform_to_md hb.description
+      reference_answer = ke_transform_to_md hb.reference_answer
+      hb.update_attributes(description: description, reference_answer: reference_answer)
+    end
+
+    # 毕业任务
+    GraduationTask.find_each do |gt|
+      description = ke_transform_to_md gt.description
+      gt.update_column(:description, description)
+    end
+
+    # 毕设选题
+    GraduationTopic.find_each do |gt|
+      description = ke_transform_to_md gt.description
+      gt.update_column(:description, description)
+    end
+
+    # 毕设作品
+    GraduationWork.find_each do |gw|
+      description = ke_transform_to_md gw.description
+      gw.update_column(:description, description)
+    end
+
+    # 毕设任务题库
+    GtaskBank.find_each do |gb|
+      description = ke_transform_to_md gb.description
+      gb.update_column(:description, description)
+    end
+
+    # 毕设选题题库
+    GtopicBank.find_each do |gb|
+      description = ke_transform_to_md gb.description
+      gb.update_column(:description, description)
+    end
+
+    # 交流问答
+    Memo.find_each do |m|
+      content = ke_transform_to_md m.content
+      m.update_column(:content, content)
+    end
 
   end
 end

db/migrate/20190806063903_third_modify_ke_for_student_work.rb

@@ -1,17 +1,17 @@
 class ThirdModifyKeForStudentWork < ActiveRecord::Migration[5.2]
   include ActionView::Helpers::SanitizeHelper
   def change
-    # def ke_transform_to_md content
-    #   return content if content.blank?
-    #   s_contents = sanitize(content, tags: %w(img a span table td tr tbody pre), attributes: %w(src href target style))
-    #   s_contents.gsub(/^(\n)/, "").gsub(/(\n)+/, "<br>").gsub(/$(\n)/, "")
-    #       .gsub(/(\n)+/, "<br>").gsub("\t", "  ")
-    # end
-    #
-    # # 学生的作品 过滤掉一些描述的ke图片的作品
-    # StudentWork.where("description is not null and LENGTH(description) < 1000000").find_each do |sw|
-    #     description  = ke_transform_to_md sw.description
-    #     sw.update_column(:description, description)
-    # end
+    def ke_transform_to_md content
+      return content if content.blank?
+      s_contents = sanitize(content, tags: %w(img a span table td tr tbody pre), attributes: %w(src href target style))
+      s_contents.gsub(">\n<", "><").gsub(/^\n/, "").gsub("    ", "").gsub(/(\n)+/, "<br />")
+          .gsub("\t", "  ").gsub("\n", "").gsub("    ", "  ")
+    end
+
+    # 学生的作品 过滤掉一些描述的ke图片的作品
+    StudentWork.where("description is not null and LENGTH(description) < 1000000").find_each do |sw|
+        description  = ke_transform_to_md sw.description
+        sw.update_column(:description, description)
+    end
   end
 end