New feature: if work is mastered is shown for active user by checkbox

rep_cli.py

@@ -61,8 +61,13 @@ class Session:
                 is_mastered = True
         return is_mastered
     
-    def work_is_mastered(self, work):
-        pass
+    def percentage_of_work_is_mastered(self, work): # work, not work_id, as a work-object is created anyway when there's need to check
+        number_of_movements = len(work.values['movements'])
+        count_mastered = 0
+        for key in work.values['movements']:
+            if self.movement_is_mastered(work.id(), key):
+                count_mastered += 1
+        return int(count_mastered / number_of_movements * 100)
 
     def create_new_user(self, arguments):
         first_name, name = arguments[0], arguments[1]
@@ -166,6 +171,13 @@ class Session:
             list_of_works.append(work_under_id(item[0], self.db_agent))
         fun_resultstring = ''
         for work in list_of_works:
+            mastered = self.percentage_of_work_is_mastered(work)
+            if mastered == 100:
+                fun_resultstring += '[x] '
+            elif mastered > 0:
+                fun_resultstring += '[/] '
+            else:
+                fun_resultstring += '[ ] '
             fun_resultstring += f'{work.id()}: {work.pretty_string()}\n'
         return fun_resultstring