advanced usage of callbackdata was added

examples/callback_data_examples/advanced_calendar_example/keyboards.py

@@ -0,0 +1,92 @@
+import calendar
+from datetime import date, timedelta
+
+from examples.callback_data_examples.advanced_calendar_example.filters import calendar_factory, calendar_zoom
+from telebot.types import InlineKeyboardMarkup, InlineKeyboardButton
+
+EMTPY_FIELD = '1'
+WEEK_DAYS = [calendar.day_abbr[i] for i in range(7)]
+MONTHS = [(i, calendar.month_name[i]) for i in range(1, 13)]
+
+
+def generate_calendar_days(year: int, month: int):
+    keyboard = InlineKeyboardMarkup(row_width=7)
+    today = date.today()
+
+    keyboard.add(
+        InlineKeyboardButton(
+            text=date(year=year, month=month, day=1).strftime('%b %Y'),
+            callback_data=EMTPY_FIELD
+        )
+    )
+    keyboard.add(*[
+        InlineKeyboardButton(
+            text=day,
+            callback_data=EMTPY_FIELD
+        )
+        for day in WEEK_DAYS
+    ])
+
+    for week in calendar.Calendar().monthdayscalendar(year=year, month=month):
+        week_buttons = []
+        for day in week:
+            day_name = ' '
+            if day == today.day and today.year == year and today.month == month:
+                day_name = '🔘'
+            elif day != 0:
+                day_name = str(day)
+            week_buttons.append(
+                InlineKeyboardButton(
+                    text=day_name,
+                    callback_data=EMTPY_FIELD
+                )
+            )
+        keyboard.add(*week_buttons)
+
+    previous_date = date(year=year, month=month, day=1) - timedelta(days=1)
+    next_date = date(year=year, month=month, day=1) + timedelta(days=31)
+
+    keyboard.add(
+        InlineKeyboardButton(
+            text='Previous month',
+            callback_data=calendar_factory.new(year=previous_date.year, month=previous_date.month)
+        ),
+        InlineKeyboardButton(
+            text='Zoom out',
+            callback_data=calendar_zoom.new(year=year)
+        ),
+        InlineKeyboardButton(
+            text='Next month',
+            callback_data=calendar_factory.new(year=next_date.year, month=next_date.month)
+        ),
+    )
+
+    return keyboard
+
+
+def generate_calendar_months(year: int):
+    keyboard = InlineKeyboardMarkup(row_width=3)
+    keyboard.add(
+        InlineKeyboardButton(
+            text=date(year=year, month=1, day=1).strftime('Year %Y'),
+            callback_data=EMTPY_FIELD
+        )
+    )
+    keyboard.add(*[
+        InlineKeyboardButton(
+            text=month,
+            callback_data=calendar_factory.new(year=year, month=month_number)
+        )
+        for month_number, month in MONTHS
+    ])
+    keyboard.add(
+        InlineKeyboardButton(
+            text='Previous year',
+            callback_data=calendar_zoom.new(year=year - 1)
+        ),
+        InlineKeyboardButton(
+            text='Next year',
+            callback_data=calendar_zoom.new(year=year + 1)
+        )
+    )
+    return keyboard