24 lines
No EOL
871 B
Markdown
24 lines
No EOL
871 B
Markdown
```mermaid
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sequenceDiagram
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participant User
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participant PaymentGateway
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participant Application
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participant Database
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User->>Application: Initiate Payment
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Application->>PaymentGateway: Process Payment
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alt Successful Payment
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PaymentGateway-->>Application: Payment Approved
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Application->>Database: Commit Transaction
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Database-->>Application: Transaction Committed
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Application-->>User: Payment Successful
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else External Failure
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PaymentGateway-->>Application: Payment Error
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Application-->>User: Payment Failed
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else DB Failure
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Application->>Database: Attempt Transaction
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Database-->>Application: Transaction Error
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Application->>Database: Rollback Transaction
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Database-->>Application: Transaction Rolled Back
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Application-->>User: Payment Failed
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end
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``` |