学生答题未完成时可保存试卷

app/controllers/exercise_controller.rb

@@ -359,7 +359,7 @@ class ExerciseController < ApplicationController
   def commit_answer
     eq = ExerciseQuestion.find(params[:exercise_question_id])
     # 已提交过的且是限时的则不允许答题
-    if has_commit_exercise?(@exercise.id,User.current.id) && (!User.current.admin?) && @exercise.time != -1
+    if (has_commit_exercise?(@exercise.id,User.current.id) && (!User.current.admin?) && @exercise.time != -1) || Time.parse(format_time(@exercise.end_time)).strftime("%Y-%m-%d %H:%M:%S") < Time.now.strftime("%Y-%m-%d %H:%M:%S")
       render :json => {:text => "failure"}
       return
     end
@@ -376,8 +376,14 @@ class ExerciseController < ApplicationController
       ea.exercise_choice_id = params[:exercise_choice_id]
       if ea.save
         # 保存成功返回成功信息及当前以答题百分比
+        uncomplete_question = get_uncomplete_question(@exercise, User.current)
+        if uncomplete_question.count < 1
+          complete = 1;
+        else
+          complete = 0;
+        end
         @percent = get_percent(@exercise,User.current)
-        render :json => {:text => "ok" ,:percent => format("%.2f" ,@percent)}
+        render :json => {:text => "ok" ,:complete => complete,:percent => format("%.2f" ,@percent)}
       else
         #返回失败信息
         render :json => {:text => "failure"}
@@ -392,8 +398,14 @@ class ExerciseController < ApplicationController
         ea.exercise_question_id = params[:exercise_question_id]
         ea.exercise_choice_id = params[:exercise_choice_id]
         if ea.save
+          uncomplete_question = get_uncomplete_question(@exercise, User.current)
+          if uncomplete_question.count < 1
+            complete = 1;
+          else
+            complete = 0;
+          end
           @percent = get_percent(@exercise,User.current)
-          render :json => {:text => "ok",:percent => format("%.2f" ,@percent)}
+          render :json => {:text => "ok",:complete => complete,:percent => format("%.2f" ,@percent)}
         else
           render :json => {:text => "failure"}
         end
@@ -422,8 +434,14 @@ class ExerciseController < ApplicationController
           ea.exercise_question_id = params[:exercise_question_id]
           ea.answer_text = params[:answer_text]
           if ea.save
+            uncomplete_question = get_uncomplete_question(@exercise, User.current)
+            if uncomplete_question.count < 1
+              complete = 1;
+            else
+              complete = 0;
+            end
             @percent = get_percent(@exercise,User.current)
-            render :json => {:text => ea.answer_text,:percent => format("%.2f",@percent)}
+            render :json => {:text => ea.answer_text,:complete => complete,:percent => format("%.2f",@percent)}
           else
             render :json => {:text => "failure"}
           end
@@ -513,7 +531,7 @@ class ExerciseController < ApplicationController
     exercise_qustions.each do |question|
       answer = get_user_answer(question, user)
       standard_answer = get_user_standard_answer(question, user)
-      unless answer.nil?
+      unless answer.empty?
         # 问答题有多个答案
         if question.question_type == 3
           if standard_answer.include?(answer.first.answer_text)
@@ -555,19 +573,6 @@ class ExerciseController < ApplicationController
     eu
   end
 
-  #获取未完成的题目
-  def get_uncomplete_question exercise,user
-    all_questions = exercise.exercise_questions
-    uncomplete_question = []
-    all_questions.each do |question|
-      answers = get_user_answer(question, user)
-      if answers.nil?
-        uncomplete_question << question
-      end
-    end
-    uncomplete_question
-  end
-
   # 获取当前学生回答问题的答案
   def get_user_answer(question,user)
     # user_answer = ExerciseAnswer.where("user_id=? and exercise_question_id=?", user.id, question.id).first
@@ -586,7 +591,8 @@ class ExerciseController < ApplicationController
       standard_answer = question.exercise_standard_answers.first
     end
     standard_answer
-  end  # 是否完成了答题
+  end
+  # 是否完成了答题
   def get_complete_question(exercise,user)
     questions = exercise.exercise_questions
     complete_question = []

app/helpers/exercise_helper.rb

@@ -107,6 +107,19 @@ module ExerciseHelper
     end
   end
 
+  #获取未完成的题目
+  def get_uncomplete_question exercise,user
+    all_questions = exercise.exercise_questions
+    uncomplete_question = []
+    all_questions.each do |question|
+      answers = get_user_answer(question, user)
+      if answers.empty?
+        uncomplete_question << question
+      end
+    end
+    uncomplete_question
+  end
+
   #获取文本题答案
   def get_anwser_vote_text(question_id,user_id)
     pv = ExerciseAnswer.find_by_exercise_question_id_and_user_id(question_id,user_id)

app/views/exercise/_commit_alert.html.erb

@@ -5,9 +5,12 @@
   <% elsif status == 0 && Time.parse(format_time(exercise.end_time)).strftime("%Y-%m-%d %H:%M:%S") > Time.now.strftime("%Y-%m-%d %H:%M:%S") %>
       <h3 style="font-weight: normal;color: green">提交成功!</h3>
       <%= link_to "确定", exercise_index_path(:course_id => @course.id),:class => 'commit'%>
-  <% elsif status == 1 %>
-      <h3 style="font-weight: normal;color: red">您还有尚未作答的题目请完成后再提交!</h3>
-      <%= link_to "确定", "javascript:void(0)",:onclick => 'hidden_atert_form();',:class => 'commit'%>
+  <% elsif status == 1 && Time.parse(format_time(exercise.end_time)).strftime("%Y-%m-%d %H:%M:%S") > Time.now.strftime("%Y-%m-%d %H:%M:%S")%>
+      <h3 style="font-weight: normal;color: red">保存成功!</h3>
+      <%= link_to "确定",exercise_index_path(:course_id => @course.id),:class => 'commit'%>
+  <% elsif status == 1 && Time.parse(format_time(exercise.end_time)).strftime("%Y-%m-%d %H:%M:%S") <= Time.now.strftime("%Y-%m-%d %H:%M:%S")%>
+      <h3 style="font-weight: normal;color: red">时间已到!</h3>
+      <%= link_to "确定", exercise_path(),:class => 'commit'%>
   <% elsif status == 2 %>
       <h3 style="font-weight: normal;color: red">发生未知错误，请检查您的网络。</h3>
       <%= link_to "确定", "javascript:void(0)",:onclick => 'hidden_atert_form();',:class => 'commit'%>

app/views/exercise/_exercise_student.html.erb

@@ -3,7 +3,11 @@
         $("#RSide").removeAttr("id");
         $("#homework_page_right").css("min-height",$("#LSide").height()-30);
         $("#Container").css("width","1000px");
-        end_time = <%=exercise.end_time.to_i%>
+        <%uncomplete_question =get_uncomplete_question(exercise, User.current) %>;
+        <% if (uncomplete_question.count < 1) %>
+            $("#exercise_submit_btn").html("提交");
+        <% end %>
+        var end_time = <%=exercise.end_time.to_i%>;
         getTime(end_time);
         /*start_time = new Date();
         start_time.setFullYear(<%#=exercise_user.start_at.year%>);
@@ -100,6 +104,11 @@
                                               {
                                                   obj.checked = false;
                                               }
+                                              if(dataObj.complete == 1) {
+                                                  $("#exercise_submit_btn").html("提交");
+                                              } else {
+                                                  $("#exercise_submit_btn").html("保存");
+                                              }
                                           }
                                       });
                                   }
@@ -154,6 +163,11 @@
                                               {
                                                   obj.checked = false;
                                               }
+                                              if(dataObj.complete == 1) {
+                                                  $("#exercise_submit_btn").html("提交");
+                                              } else {
+                                                  $("#exercise_submit_btn").html("保存");
+                                              }
                                           }
                                       });
                                   }
@@ -196,6 +210,11 @@
                               success: function (data) {
                                   var dataObj = eval(data);
                                   obj.value = dataObj.text;
+                                  if(dataObj.complete == 1) {
+                                      $("#exercise_submit_btn").html("提交");
+                                  } else {
+                                      $("#exercise_submit_btn").html("保存");
+                                  }
                               }
                           });
 
@@ -209,7 +228,7 @@
       <% end %>
     </div>
     <div class="ur_buttons">
-      <%= link_to l(:button_submit),commit_exercise_exercise_path(exercise),:id=>"exercise_submit_btn", :method => :post,:class => "ur_button_submit",:style => "margin-left:80px;",:format => 'js',:remote=>true %>
+      <%= link_to "保存",commit_exercise_exercise_path(exercise),:id=>"exercise_submit_btn", :method => :post,:class => "ur_button_submit",:style => "margin-left:80px;",:format => 'js',:remote=>true %>
     </div>
     <div class="cl"></div>
     <!--contentbox end-->

app/views/exercise/_exercise_teacher.html.erb

@@ -96,7 +96,7 @@
               <div>
                 <div class="testEditTitle"> 第<%= list_index+1%>题：<%= exercise_question.question_title %>&nbsp;&nbsp;(<%= exercise_question.question_score %>分)
                   <br />
-                  标准答案：<%= convert_to_char(exercise_question.exercise_standard_answers.first.exercise_choice_id.to_s) %>
+                  标准答案：<%= convert_to_char(exercise_question.exercise_standard_answers.first.exercise_choice_id.to_s) if exercise_question.exercise_standard_answers.first%>
                 </div>
                 <div class="cl"></div>
                 <div>