def check_to_photos_task(update, context):
_ = set_lang(update, context)
text = update.effective_message.text
if text in [_(PHOTOS), _(COMPRESSED)]:
return pdf_to_photos(update, context)
elif text == _(BACK):
return ask_doc_task(update, context)
def check_scale_task(update, context):
_ = set_lang(update, context)
text = update.effective_message.text
if text in [_(BY_PERCENT), _(TO_DIMENSIONS)]:
return ask_scale_value(update, context)
elif text == _(BACK):
return ask_doc_task(update, context)
def check_crop_task(update, context):
_ = set_lang(update, context)
text = update.effective_message.text
if text in [_(BY_PERCENT), _(BY_SIZE)]:
return ask_crop_value(update, context)
elif text == _(BACK):
return ask_doc_task(update, context)
def check_rotate_degree(update, context):
_ = set_lang(update, context)
text = update.effective_message.text
if text in [_(ROTATE_90), _(ROTATE_180), _(ROTATE_270)]:
return rotate_pdf(update, context)
elif text == _(BACK):
return ask_doc_task(update, context)
def check_text_task(update, context):
_ = set_lang(update, context)
text = update.effective_message.text
if text == _(TEXT_MESSAGE):
return get_pdf_text(update, context, is_file=False)
elif text == _(TEXT_FILE):
return get_pdf_text(update, context, is_file=True)
elif text == _(BACK):
return ask_doc_task(update, context)
def check_doc(update, context):
doc = update.effective_message.document
if doc.mime_type.startswith("image"):
return ask_photo_task(update, context, doc)
elif not doc.mime_type.endswith("pdf"):
return ConversationHandler.END
elif doc.file_size >= MAX_FILESIZE_DOWNLOAD:
_ = set_lang(update, context)
update.effective_message.reply_text(
_("Your PDF file is too big for me to download\n\nI can't perform any tasks on it"
))
return ConversationHandler.END
context.user_data[PDF_INFO] = doc.file_id, doc.file_name
return ask_doc_task(update, context)
def check_back_user_data(update, context):
"""
Check for back action and if user data is valid
Args:
update: the update object
context: the context object
Returns:
A state if it is a back action of the user data is invalid, else None
"""
_ = set_lang(update, context)
result = None
if update.effective_message.text == _(BACK):
result = ask_doc_task(update, context)
elif not check_user_data(update, context, PDF_INFO):
result = ConversationHandler.END
return result