update,

002_source/cms/src/constants.ts

@@ -3,27 +3,30 @@
 // e.g. COL_APPLE = "Apple" table in dbml
 const COL_LESSON_TYPES = 'LessonsTypes';
 const COL_LESSON_CATEGORIES = 'LessonsCategories';
-const NO_VALUE = 'NO_VALUE';
-const NO_NUM = -Infinity;
-const NS_LESSON_CATEGORY = 'lesson_category';
 const COL_USERS = 'users';
 const COL_USER_METAS = 'UserMetas';
 
-//
-const COL_CUSTOMERS = 'Customers';
-
 // RULES:
 // do not use LP_CATEGORIES anymore
+// LP, listening practice
 const COL_QUIZ_LP_CATEGORIES = 'QuizLPCategories';
 const COL_QUIZ_LP_QUESTIONS = 'QuizLPQuestions';
-//
+// MF, matching frenzy
 const COL_QUIZ_MF_CATEGORIES = 'QuizMFCategories';
 const COL_QUIZ_MF_QUESTIONS = 'QuizMFQuestions';
-
-// New CR versions
+// CR, connective revision
 const COL_QUIZ_CR_CATEGORIES = 'QuizCRCategories';
 const COL_QUIZ_CR_QUESTIONS = 'QuizCRQuestions';
-//
+
+// ROLES:
+const COL_CUSTOMERS = 'Customers';
+const COL_TEACHERS = 'Teachers';
+const COL_STUDENTS = 'Students';
+
+// FOR page display
+const NO_VALUE = 'NO_VALUE';
+const NO_NUM = -Infinity;
+const NS_LESSON_CATEGORY = 'lesson_category';
 
 export {
   COL_LESSON_TYPES,
@@ -44,5 +47,7 @@ export {
   COL_QUIZ_CR_QUESTIONS,
   //
   COL_CUSTOMERS,
+  COL_TEACHERS,
+  COL_STUDENTS,
   //
 };