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This is quite a technical article, which covers lots of detail about different possible set-ups for PathCheck GPS Test Environments, how to choose between them and how to set them up. |
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Key Concepts
Safe Places & PathCheck GPS Mobile App
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Alpha, Beta and Production builds all point to the Production YAML file
Developer & Develop builds point to the Staging YAML file.
Note that while these builds can easily be distributed on Android as APKs, there are technical difficulties distributing these builds on iOS.
Custom builds can be created to point to bespoke YAML files.
It is also possible, using a Feature Flag, to manually conigure any YAML file in the app. When this is configured, this YAML file is used in addition to to the data in the hardcoded YAML file.
Data
You can enable Feature Flags in the “About” screen by tapping 10x on “PathCheck GPS” to then add data points into the app, see Getting 14d of data onto a phone (or into Safe Places)
Examples:
10 data points: https://diarmidmackenzie.pythonanywhere.com/location-data?latitude=42&longitude=13&points=10
4032 data points: https://diarmidmackenzie.pythonanywhere.com/location-data?longitude=42&latitude=13&points=4032
Privacy and Safe Places
At the time of writing (July 8 2020) Safe Places is implemented in such a way that any user who has access to the system, has access to all the location data that has been uploaded to the system.
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Setting up a personal Safe Places instance is not trivial, and it’s beyond the scope of this article to explain how to do that - there is some guidance in the Safe Places repos:
https://github.com/Path-Check/safeplaces-backend
https://github.com/Path-Check/safeplaces-frontend
For end-to-end testign testiness with a personal Safe Places instance, anaswers answers to the setup questions will typically be:
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In Safe Places [https://safeplaces.extremesolution.com/trace], click “Add New Record”, and note the code provided as . See example below:
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Note that at this point you could also “Create Record Manually” by selecting location points on the map. The following instructions relate to “Check Data Upload”
In the Mobile App, click “Share Location History” icon, allow Location Sharing (if you haven’t done so already), select the appropriate Health Department, then enter the code that was generated by Safe Places.
Agree to all the various consents, until you get to “Done”
Back in Safe Places, click on “Check Data Upload” - if all is well, you should now see the data points on a map.
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Enable Feature Flags in the “About” screen by tapping 10x on “PathCheck GPS”
Under More / Feature Flags, enable “Custom Yaml URL”
Under Health Departments, choose “Manually Add Via URL”
Enter the URL of the YAML file that contains details of the Health Department (see “Key Concepts” and “Example Setups” above if you aren’t clear what this means!)
Once this is entered, your Health Department should now be available in the App for Location Sharing, so you can now perform the process above.
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Select “Publish Data” from the top menu
Click “Load Data For Publishing”
A popup will appear, select the correct data record and click “Open Selected Data”
Select “Submit All Data For Publishing” and the following popup screen will appear..
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The App should now download the this published location data.
If you published location data that came from this device, then it should generate Exposure Notifications for all the times that it had recorded locations (except for any data you may have redacted in Safe Places).
If you published location data that came from a different device, or was created manually, then results will vary depending on the level of overlap with location points stored on this device.
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