added crud operations for Course

bot/handlers/courses.py

@@ -0,0 +1,30 @@
+import logging
+from telebot import types
+from database.models import Courses
+
+logger = logging.getLogger(__name__)
+
+
+def register(bot):
+    @bot.message_handler(func=lambda message: message.text == "Show Courses")
+    def get_students(message):
+        try:
+            data = Courses.getAllCourses()
+            if data:
+                markup = types.InlineKeyboardMarkup(row_width=2)
+                for row in data:
+                    btn = types.InlineKeyboardButton(
+                        f"{row[1][:26] + "..."} | id#{row[0]}", callback_data=f"course_{row[0]}")
+                    markup.add(btn)
+
+                # add button for creating a new course
+                markup.add(types.InlineKeyboardButton(
+                    "➕ Create New Course", callback_data="create_course"))
+
+                bot.send_message(
+                    message.chat.id, "Here is the data:", reply_markup=markup)
+            else:
+                bot.reply_to(message, "No data found.")
+        except Exception as e:
+            logger.error(f"Error in (Show Courses) handler: {e}")
+            bot.reply_to(message, "Sorry, an error occurred.")