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sequenceDiagram
autonumber
participant Partner as Partner Integration
participant API as REST API
participant GCS as Google Cloud Storage
rect rgb(250,238,218)
Note over Partner,API: 1. Request Latest Feed
Partner->>+API: GET /[locationId]/productFeed/latest
end
rect rgb(250,238,218)
Note over API,GCS: 2. File Lookup & URL Generation
API->>+GCS: Lookup latest feed file for [locationId]
GCS-->>-API: Return file metadata
API->>+GCS: Request Signed URL (Valid for 15 minutes)
GCS-->>-API: Return Signed URL
end
rect rgb(250,238,218)
Note over Partner,API: 3. Response
API-->>-Partner: 200 OK { "locationId": "...", "url": "Signed_URL" }
end
rect rgb(250,238,218)
Note over Partner,GCS: 4. Data Consumption (Within 15m)
Partner->>+GCS: HTTP GET Request using Signed URL
GCS-->>-Partner: Return product feed file
end
