34 lines
1 KiB
Markdown
34 lines
1 KiB
Markdown
sequenceDiagram
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participant User
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participant Payment Service
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participant DB
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participant External Gateway
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User->>Payment Service: Initiate Payment
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activate Payment Service
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Payment Service->>DB: Begin Transaction
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activate DB
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DB-->>Payment Service: Transaction Started
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deactivate DB
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Payment Service->>External Gateway: Request Payment Authorization
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activate External Gateway
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alt Successful Authorization
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External Gateway-->>Payment Service: Authorization Success
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Payment Service->>DB: Commit Transaction
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activate DB
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DB-->>Payment Service: Transaction Committed
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deactivate DB
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Payment Service-->>User: Payment Successful
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else Authorization Failed
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External Gateway-->>Payment Service: Authorization Failure
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Payment Service->>DB: Rollback Transaction
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activate DB
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DB-->>Payment Service: Transaction Rolled Back
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deactivate DB
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Payment Service-->>User: Payment Failed
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end
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autonumber
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