1 files changed, 60 insertions, 0 deletions
diff --git a/python/edu/learn-python/src/com/jetbrains/python/edu/course/LessonInfo.java b/python/edu/learn-python/src/com/jetbrains/python/edu/course/LessonInfo.java
new file mode 100644
index 000000000000..85e2eb8be1a9
--- /dev/null
+++ b/python/edu/learn-python/src/com/jetbrains/python/edu/course/LessonInfo.java
@@ -0,0 +1,60 @@
+package com.jetbrains.python.edu.course;
+
+/**
+ * Implementation of class which contains information about student progress in current lesson
+ */
+public class LessonInfo {
+  private int myTaskNum;
+  private int myTaskFailed;
+  private int myTaskSolved;
+  private int myTaskUnchecked;
+
+  public int getTaskNum() {
+    return myTaskNum;
+  }
+
+  public void setTaskNum(int taskNum) {
+    myTaskNum = taskNum;
+  }
+
+  public int getTaskFailed() {
+    return myTaskFailed;
+  }
+
+  public void setTaskFailed(int taskFailed) {
+    myTaskFailed = taskFailed;
+  }
+
+  public int getTaskSolved() {
+    return myTaskSolved;
+  }
+
+  public void setTaskSolved(int taskSolved) {
+    myTaskSolved = taskSolved;
+  }
+
+  public int getTaskUnchecked() {
+    return myTaskUnchecked;
+  }
+
+  public void setTaskUnchecked(int taskUnchecked) {
+    myTaskUnchecked = taskUnchecked;
+  }
+
+  public void update(StudyStatus status, int delta) {
+    switch (status) {
+      case Solved: {
+        myTaskSolved += delta;
+        break;
+      }
+      case Failed: {
+        myTaskFailed += delta;
+        break;
+      }
+      case Unchecked: {
+        myTaskUnchecked += delta;
+        break;
+      }
+    }
+  }
+}