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template.session.yaml
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template.session.yaml
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AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Telegram Bot Connector
Parameters:
EventBus:
Type: String
Description: "The connector event bus name"
UsernameWhitelist:
Type: CommaDelimitedList
Description: "Allowed usernames, separated by comma"
Default: ""
WelcomeText:
Type: String
Description: "Bot welcome text"
Default: "Hello, I am a bot that ask you few inputs. Start session sending command /ask. Stop session in any moment sending command /cancel"
Conditions:
IsUsernameWhitelistEnabled: !Not [ !Equals [ !Join [ "", !Ref UsernameWhitelist ], "" ] ]
Resources:
SessionTable:
Type: AWS::Serverless::SimpleTable
Properties:
TableName: !Sub "${AWS::StackName}-session"
PrimaryKey:
Name: chat_id
Type: Number
StartReceivedStateMachine:
Type: AWS::Serverless::StateMachine
Properties:
Name: !Sub "${AWS::StackName}-start"
DefinitionUri: states/session/start.asl.yaml
DefinitionSubstitutions:
EventBusName: !Ref EventBus
EventSource: !Ref AWS::StackName
WelcomeText: !Ref WelcomeText
SessionTable: !Ref SessionTable
Policies:
- EventBridgePutEventsPolicy:
EventBusName: !Ref EventBus
- DynamoDBWritePolicy:
TableName: !Ref SessionTable
Events:
ReceivedEvent:
Type: EventBridgeRule
Properties:
EventBusName: !Ref EventBus
Pattern:
source:
- org.telegram.webhook
detail-type:
- 'Webhook Event Received'
detail:
message:
from:
username: !If
- IsUsernameWhitelistEnabled
- !Ref UsernameWhitelist
- - exists: true
text:
- "/start"
MessageReceivedStateMachine:
Type: AWS::Serverless::StateMachine
Properties:
Name: !Sub "${AWS::StackName}-message"
DefinitionUri: states/session/message.asl.yaml
DefinitionSubstitutions:
EventBusName: !Ref EventBus
EventSource: !Ref AWS::StackName
SessionTable: !Ref SessionTable
Policies:
- EventBridgePutEventsPolicy:
EventBusName: !Ref EventBus
- DynamoDBReadPolicy:
TableName: !Ref SessionTable
- DynamoDBWritePolicy:
TableName: !Ref SessionTable
Events:
ReceivedEvent:
Type: EventBridgeRule
Properties:
EventBusName: !Ref EventBus
Pattern:
source:
- org.telegram.webhook
detail-type:
- 'Webhook Event Received'
detail:
message:
from:
username: !If
- IsUsernameWhitelistEnabled
- !Ref UsernameWhitelist
- - exist: true
text:
- anything-but:
- "/start"