fix: only get balance data when msisdn is known

[geertmeersman]

Summary by CodeRabbit

• Bug Fixes
  • Improved subscription balance retrieval logic to prevent unnecessary API calls
  • Added conditional check to fetch balance only for valid SIM subscriptions

[coderabbitai]

Walkthrough

The changes modify the MobileVikingsClient class in the mobile Vikings client implementation. The primary modification involves adding a conditional check in the balance retrieval logic to ensure that balance information is only fetched for subscriptions with a non-empty 'sim' field containing an 'msisdn'. This change aims to optimize the balance retrieval process by preventing unnecessary API calls for subscriptions that do not meet specific criteria.

Changes

File	Change Summary
custom_components/mobile_vikings/client.py	Added conditional check to retrieve subscription balance only for subscriptions with a valid 'sim' and 'msisdn'

Sequence Diagram

sequenceDiagram
    participant Client as MobileVikingsClient
    participant API as Mobile Vikings API
    
    Client->>Client: Check subscription has valid 'sim' and 'msisdn'
    alt Valid Subscription
        Client->>API: Fetch Subscription Balance
        API-->>Client: Return Balance
    else Invalid Subscription
        Client->>Client: Skip Balance Retrieval
    end

Loading

Poem

🐰 A Viking's SIM, a digital quest
Balance check, put to the test
Only msisdn shall pass
No empty fields shall amass
Efficiency, our rabbit's zest! 📱✨

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📥 Commits

Reviewing files that changed from the base of the PR and between d3a21b1 and f5f0fc9.

📒 Files selected for processing (1)

• custom_components/mobile_vikings/client.py (1 hunks)

🔇 Additional comments (2)

custom_components/mobile_vikings/client.py (2)

237-246: LGTM! Good performance optimization.

The conditional check ensures that balance data is only retrieved for subscriptions with a valid msisdn, preventing unnecessary API calls. The implementation is clean, safe, and aligns well with the PR objective.

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237-246: Consider adding test cases and updating docstring.

To ensure robustness, consider:

1. Adding test cases for:
   • Subscription with valid msisdn
   • Subscription without sim field
   • Subscription with empty msisdn
2. Updating the method's docstring to document this behavior

Would you like me to help with:

• Generating test cases for the new condition?
• Updating the docstring to reflect this behavior?

Finishing Touches

• 📝 Generate Docstrings

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