T2792 Ensure child protection on children page

[Shayan105]

This PR is linked to this one : CompassionCH/compassion-website#211

[gemini-code-assist]

Summary of Changes

Hello @Shayan105, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request enhances child protection by implementing a mechanism to obfuscate the precise geographical coordinates of projects. It introduces new data fields and logic to retrieve and store less precise location data, ensuring that sensitive information is not directly exposed while still providing a general sense of location. This change is crucial for maintaining privacy on public-facing pages, such as the children's page.

Highlights

• New Obfuscated Coordinate Fields: Two new fields, gps_latitude_obfuscated and gps_longitude_obfuscated, have been added to the CompassionProject model to store privacy-preserving location data.
• Google Maps Geocoding Integration: A new method update_obfuscated_coordinates was introduced to fetch and store obfuscated coordinates for projects using the Google Maps Geocoding API, ensuring an API key is configured before making requests.
• Safe Coordinate Exposure: A get_obfuscated_coordinates_json method has been added to provide obfuscated coordinates in JSON format. If obfuscated coordinates are not available, it falls back to returning the integer part of the real coordinates for a rough, non-precise location.

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[gemini-code-assist]

Code Review

This pull request introduces a feature to obfuscate project coordinates to enhance child protection, which is a great initiative. The implementation involves adding new fields and a method to fetch obfuscated coordinates from the Google Geocoding API. While the overall approach is sound, I've identified a critical bug in the fallback logic for coordinates, which could lead to incorrect location data being sent. Additionally, there are several opportunities to improve the robustness and performance of the external API communication, such as adding timeouts, handling exceptions more specifically, and considering the performance impact of making API calls in a loop. Addressing these points will make the feature more reliable and resilient.