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Informations about the package telegram
Telegram Package
Allow your users to connect Telegram with your app and receive notifications;
Prerequisites
- PHP 7.0+
- furqansiddiqui/http-client >= 0.2.1
Installation
composer require furqansiddiqui/telegram
Integrating Telegram
Get Telegram
instance by passing your telegram bot API key to constructor
Setting up a web hook
Custom Handlers
Create a handler class that extends AbstractHandler
with each method for every command you wish to respond to.
- Any user sent message that doesn't start with leading slash "/" is considered a chat message and will be handled in "chat" method.
- All user messages starting with leading slash "/" are commands, and have individual methods as per their names.
- Your custom handler class must have "start" and "help" methods.
- Ideally, You should associate "chat_id" param with users in your DB.
- On start command, you should generate a temp. authentication code and send it to telegram chat asking them to enter this code at your website after proper authentication as a user.
- Once user enters this code at your website, you can safely associate "chat_id" param associated with this temp. code with your user.
- How you generate/store and secure this code is entirely up to you.
- You should name your methods in "camelCase", i.e. when user enters command "/get_balance", handler will look for and call "getBalance" method if available.
- Any word followed by a command (after a leading slash "/") will be considered as param.
- All parameters are stored in "params" prop as indexed array.
- All non-command messages can be handled with in "chat" method. See
BasicHandler
class for an example.
Listening
- You should use secret tokens in your web hook URL as well as cross-check data received from Telegram web hook server for security. This has to be done entirely at your own end. Calling listen/handle method assumes you have already successfully validated this request.
Refer to class BasicHandler
for better understanding on writing your own custom handler.
Sending a Message
Use sendMessage
method to send a message to specific user or chat.
If you have associated a "chat_id" param with one of your users, retrieve this value to send a notification/message to that specific user at any time.
NOTE: This method is ideal for Non-interactive messaging, i.e. User had previously subscribed to your bot via "start" or any other custom command and now you can send alerts/notification to this user.
For interactive messaging, You can use sendReply
method in your custom handler as a quicker way around.