User Notification

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sequenceDiagram
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    autonumber
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    Institution->>Advania:adds new message in mailbox
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    Advania->>User-Notification-Service:xroad:sends message notification
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    User-Notification-Service->>AWS SQS:adds processed notification to queue
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    loop
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    User-Notification-Worker->>AWS SQS:requests 10 notifications
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    AWS SQS->>User-Notification-Worker:responds with 0-10 notifications
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    end
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    loop if worker throws an unexpected error, it will try 2 more times with 10 minute interval
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    User-Notification-Worker->>User-Profile-Service:requests notification settings
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    User-Profile-Service->>User-Notification-Worker:returns user settings and tokens
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    end
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    User-Notification-Worker->>Firebase Cloud Messaging: sends notification
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    Firebase Cloud Messaging->>island.is app:sends notification
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About
This service manages queueing up messages to send push notifications / sms / emails.
running the project:
Dev setup & running:
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yarn dev-services services-user-notification
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yarn start services-user-notification
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Starting a worker
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yarn nx run services-user-notification:worker
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