Add trivia command (closes #78)

royalnet/bots/generic.py

@@ -27,6 +27,7 @@ class GenericBot:
         self.commands = {}
         self.network_handlers: typing.Dict[str, typing.Type[NetworkHandler]] = {}
         for SelectedCommand in commands:
+            log.debug(f"Binding {SelectedCommand.name}...")
             interface = self._Interface()
             self.commands[f"{interface.prefix}{SelectedCommand.name}"] = SelectedCommand(interface)
         log.debug(f"Successfully bound commands")

royalnet/bots/telegram.py

@@ -152,17 +152,30 @@ class TelegramBot(GenericBot):
     async def _handle_callback_query(self, update: telegram.Update):
         query: telegram.CallbackQuery = update.callback_query
         source: telegram.Message = query.message
+        callback: typing.Optional[typing.Callable] = None
+        command: typing.Optional[Command] = None
         for command in self.commands.values():
-            try:
+            if query.data in command.interface.keys_callbacks:
                 callback = command.interface.keys_callbacks[query.data]
-            except KeyError:
-                continue
-            await callback(data=self._Data(interface=command.interface, update=update))
-            await asyncify(query.answer)
                 break
-        else:
+        if callback is None:
             await asyncify(source.edit_reply_markup, reply_markup=None)
             await asyncify(query.answer, text="⛔️ This keyboard has expired.")
+            return
+        try:
+            response = await callback(data=self._Data(interface=command.interface, update=update))
+        except KeyboardExpiredError:
+            # FIXME: May cause a memory leak, as keys are not deleted after use
+            await asyncify(source.edit_reply_markup, reply_markup=None)
+            await asyncify(query.answer, text="⛔️ This keyboard has expired.")
+            return
+        except Exception as e:
+            error_text = f"⛔️ {e.__class__.__name__}\n"
+            error_text += '\n'.join(e.args)
+            await asyncify(query.answer, text=error_text)
+            return
+        else:
+            await asyncify(query.answer, text=response)
 
     async def run(self):
         while True:

royalnet/commands/royalgames/__init__.py

@@ -22,6 +22,7 @@ from .summon import SummonCommand
 from .videochannel import VideochannelCommand
 from .dnditem import DnditemCommand
 from .dndspell import DndspellCommand
+from .trivia import TriviaCommand
 
 __all__ = [
     "CiaoruoziCommand",
@@ -42,5 +43,6 @@ __all__ = [
     "SummonCommand",
     "VideochannelCommand",
     "DnditemCommand",
-    "DndspellCommand"
+    "DndspellCommand",
+    "TriviaCommand"
 ]

royalnet/commands/royalgames/trivia.py

@@ -0,0 +1,94 @@
+import typing
+import asyncio
+import aiohttp
+import random
+import uuid
+from ..command import Command
+from ..commandargs import CommandArgs
+from ..commanddata import CommandData
+from ..commandinterface import CommandInterface
+from ...error import *
+
+
+class TriviaCommand(Command):
+    name: str = "trivia"
+
+    description: str = "Manda una domanda dell'OpenTDB in chat."
+
+    _letter_emojis = ["🇦", "🇧", "🇨", "🇩"]
+
+    _correct_emoji = "✅"
+
+    _wrong_emoji = "❌"
+
+    _answer_time = 15
+
+    def __init__(self, interface: CommandInterface):
+        super().__init__(interface)
+        self.answerers: typing.Dict[uuid.UUID, typing.Dict[..., bool]] = {}
+
+    async def run(self, args: CommandArgs, data: CommandData) -> None:
+        # Fetch the question
+        async with aiohttp.ClientSession() as session:
+            async with session.get("https://opentdb.com/api.php?amount=1") as response:
+                j = await response.json()
+        # Parse the question
+        if j["response_code"] != 0:
+            raise ExternalError(f"OpenTDB returned {j['response_code']} response_code")
+        question = j["results"][0]
+        text = f'❓ [b]{question["category"]} - {question["difficulty"].capitalize()}[/b]\n' \
+               f'{question["question"]}'
+        # Prepare answers
+        correct_answer: str = question["correct_answer"]
+        wrong_answers: typing.List[str] = question["incorrect_answers"]
+        answers = [correct_answer, *wrong_answers]
+        random.shuffle(answers)
+        # Find the correct index
+        for index, answer in enumerate(answers):
+            if answer == correct_answer:
+                correct_index = index
+                break
+        else:
+            raise ValueError("correct_index not found")
+        # Add emojis
+        for index, answer in enumerate(answers):
+            answers[index] = f"{self._letter_emojis[index]} {answers[index]}"
+        # Create the question id
+        question_id = uuid.uuid4()
+        self.answerers[question_id] = {}
+
+        # Create the correct and wrong functions
+        async def correct(data: CommandData):
+            answerer_ = await data.get_author(error_if_none=True)
+            try:
+                self.answerers[question_id][answerer_] = True
+            except KeyError:
+                raise KeyboardExpiredError("Question time ran out.")
+            return "🆗 Hai risposto alla domanda. Ora aspetta un attimo per i risultati!"
+
+        async def wrong(data: CommandData):
+            answerer_ = await data.get_author(error_if_none=True)
+            try:
+                self.answerers[question_id][answerer_] = False
+            except KeyError:
+                raise KeyboardExpiredError("Question time ran out.")
+            return "🆗 Hai risposto alla domanda. Ora aspetta un attimo per i risultati!"
+
+        # Add question
+        keyboard = {}
+        for index, answer in enumerate(answers):
+            if index == correct_index:
+                keyboard[answer] = correct
+            else:
+                keyboard[answer] = wrong
+        await data.keyboard(text, keyboard)
+        await asyncio.sleep(self._answer_time)
+        results = f"❗️ Tempo scaduto!\n" \
+                  f"La risposta corretta era [b]{answers[correct_index]}[/b]!\n\n"
+        for answerer in self.answerers[question_id]:
+            if self.answerers[question_id][answerer]:
+                results += self._correct_emoji
+            else:
+                results += self._wrong_emoji
+            results += f" {answerer}"
+        await data.reply(results)

royalnet/error.py

@@ -49,3 +49,7 @@ class FileTooBigError(Exception):
 
 class CurrentlyDisabledError(Exception):
     """This feature is temporarely disabled and is not available right now."""
+
+
+class KeyboardExpiredError(Exception):
+    """A special type of exception that can be raised in keyboard handlers to mark a specific keyboard as expired."""

royalnet/royalgames.py

@@ -19,14 +19,12 @@ stream_handler.formatter = logging.Formatter("{asctime}\t{name}\t{levelname}\t{m
 log.addHandler(stream_handler)
 
 
-
 sentry_dsn = os.environ.get("SENTRY_DSN")
 
 # noinspection PyUnreachableCode
 if __debug__:
     commands = [
-        DebugErrorCommand,
-        DebugKeyboardCommand
+
     ]
     log.setLevel(logging.DEBUG)
 else:
@@ -49,7 +47,8 @@ else:
         SummonCommand,
         VideochannelCommand,
         DnditemCommand,
-        DndspellCommand
+        DndspellCommand,
+        TriviaCommand
     ]
     log.setLevel(logging.INFO)