Integriere Telegram-Funktionen, wie sendPhoto, sendVideo, sendDocument, etc. in utilites.lua und update alle Plugins, damit sie diese Funktion nutzen

otouto/plugins/9gag.lua

@@ -26,6 +26,7 @@ function ninegag:get_9GAG()
 end
 
 function ninegag:action(msg, config)
+  utilities.send_typing(self, msg.chat.id, 'upload_photo')
   local url, title = ninegag:get_9GAG()
   if not url then
 	utilities.send_reply(self, msg, config.errors.connection)
@@ -33,9 +34,7 @@ function ninegag:action(msg, config)
   end
 
   local file = download_to_file(url)
-  bindings.sendPhoto(self, {chat_id = msg.chat.id, caption = title}, {photo = file} )
-  os.remove(file)
-  print("Deleted: "..file)
+  utilities.send_photo(self, msg.chat.id, file, title)
 end
 
 return ninegag

otouto/plugins/gImages.lua

@@ -47,6 +47,7 @@ function gImages:action(msg, config)
 	return
   end
 
+  utilities.send_typing(self, msg.chat.id, 'upload_photo')
   local apikey = cred_data.google_apikey
   local cseid = cred_data.google_cse_id
   local BASE_URL = 'https://www.googleapis.com/customsearch/v1'
@@ -68,9 +69,7 @@ function gImages:action(msg, config)
   local img_url = jdat.items[i].link
   
   local file = download_to_file(img_url)
-  bindings.sendPhoto(self, {chat_id = msg.chat.id, caption = img_url}, {photo = file} )
-  os.remove(file)
-  print("Deleted: "..file)
+  utilities.send_photo(self, msg.chat.id, file, img_url)
 end
 
 return gImages

otouto/plugins/imdb.lua

@@ -51,7 +51,7 @@ function imdb:action(msg, config)
 	
 	if jdat.Poster ~= "N/A" then
 	  local file = download_to_file(jdat.Poster)
-      bindings.sendPhoto(self, {chat_id = msg.chat.id}, {photo = file} )
+	  utilities.send_photo(self, msg.chat.id, file)
 	end
 
 end

otouto/plugins/twitter.lua

@@ -140,15 +140,11 @@ function twitter:action(msg)
   utilities.send_reply(self, msg, header .. "\n" .. text.."\n"..footer)
   for k, v in pairs(images) do
     local file = download_to_file(v)
-    bindings.sendPhoto(self, {chat_id = msg.chat.id}, {photo = file} )
-	os.remove(file)
-    print("Deleted: "..file)
+	utilities.send_photo(self, msg.chat.id, file, nil, msg.message_id)
   end
   for k, v in pairs(videos) do
     local file = download_to_file(v)
-	bindings.sendVideo(self, {chat_id = msg.chat.id}, {video = file} )
-	os.remove(file)
-    print("Deleted: "..file)
+	utilities.send_video(self, msg.chat.id, file, nil, msg.message_id)
   end
 end
 

otouto/plugins/youtube.lua

@@ -142,9 +142,7 @@ function send_youtube_data(data, msg, self, link, sendpic)
       text = text..'\nACHTUNG, In Deutschland gesperrt!'
     end
     local file = download_to_file(image_url)
-    bindings.sendPhoto(self, {chat_id = msg.chat.id, reply_to_message_id = msg.message_id, caption = text }, {photo = file} )
-    os.remove(file)
-    print("Deleted: "..file)
+	utilities.send_photo(self, msg.chat.id, file, text, msg.message_id)
   else
     utilities.send_reply(self, msg, text, true)
   end

otouto/utilities.lua

@@ -34,6 +34,107 @@ function utilities:send_reply(old_msg, text, use_markdown)
 		parse_mode = use_markdown and 'Markdown' or nil
 	} )
 end
+
+-- NOTE: Telegram currently only allows file uploads up to 50 MB
+-- https://core.telegram.org/bots/api#sendphoto
+function utilities:send_photo(chat_id, file, text, reply_to_message_id)
+	local output = bindings.request(self, 'sendPhoto', {
+		chat_id = chat_id,
+		caption = text or nil,
+		reply_to_message_id = reply_to_message_id
+	}, {photo = file} )
+	os.remove(file)
+	print("Deleted: "..file)
+	return output
+end
+
+-- https://core.telegram.org/bots/api#sendaudio
+function utilities:send_audio(chat_id, file, text, reply_to_message_id, duration, performer, title)
+	local output = bindings.request(self, 'sendAudio', {
+		chat_id = chat_id,
+		caption = text or nil,
+		duration = duration or nil,
+		performer = performer or nil,
+		title = title or nil,
+		reply_to_message_id = reply_to_message_id
+	}, {audio = file} )
+	os.remove(file)
+	print("Deleted: "..file)
+	return output
+end
+
+-- https://core.telegram.org/bots/api#senddocument
+function utilities:send_document(chat_id, file, text, reply_to_message_id)
+	local output = bindings.request(self, 'sendDocument', {
+		chat_id = chat_id,
+		caption = text or nil,
+		reply_to_message_id = reply_to_message_id
+	}, {document = file} )
+	os.remove(file)
+	print("Deleted: "..file)
+	return output
+end
+
+-- https://core.telegram.org/bots/api#sendvideo
+function utilities:send_video(chat_id, file, text, reply_to_message_id, duration, width, height)
+	local output = bindings.request(self, 'sendVideo', {
+		chat_id = chat_id,
+		caption = text or nil,
+		duration = duration or nil,
+		width = width or nil,
+		height = height or nil,
+		reply_to_message_id = reply_to_message_id
+	}, {video = file} )
+	os.remove(file)
+	print("Deleted: "..file)
+	return output
+end
+
+-- NOTE: Voice messages are .ogg files encoded with OPUS
+-- https://core.telegram.org/bots/api#sendvoice
+function utilities:send_voice(chat_id, file, text, reply_to_message_id, duration)
+	local output = bindings.request(self, 'sendVoice', {
+		chat_id = chat_id,
+		duration = duration or nil,
+		reply_to_message_id = reply_to_message_id
+	}, {voice = file} )
+	os.remove(file)
+	print("Deleted: "..file)
+	return output
+end
+
+-- https://core.telegram.org/bots/api#sendlocation
+function utilities:send_location(chat_id, latitude, longitude, reply_to_message_id)
+	return bindings.request(self, 'sendLocation', {
+		chat_id = chat_id,
+		latitude = latitude,
+		longitude = longitude,
+		reply_to_message_id = reply_to_message_id
+	} )
+end
+
+-- NOTE: Venue is different from location: it shows information, such as the street adress or
+-- title of the location with it.
+-- https://core.telegram.org/bots/api#sendvenue
+function utilities:send_venue(chat_id, latitude, longitude, reply_to_message_id, title, address)
+	return bindings.request(self, 'sendVenue', {
+		chat_id = chat_id,
+		latitude = latitude,
+		longitude = longitude,
+		title = title,
+		address = address,
+		reply_to_message_id = reply_to_message_id
+	} )
+end
+
+-- https://core.telegram.org/bots/api#sendchataction
+function utilities:send_typing(chat_id, action)
+	return bindings.request(self, 'sendChatAction', {
+		chat_id = chat_id,
+		action = action
+	} )
+end
+
  -- get the indexed word in a string
 function utilities.get_word(s, i)
 	s = s or ''