jkevan opened a new pull request, #531:
URL: https://github.com/apache/unomi/pull/531
The goal is to clean and refactor the control group implementation to be
able:
- correctly persist the status of the control group in the session/profile
even when control group is false
- improve the response for personalization results to ease client side usage
of this new informations
Now the control group are stored in the profile or session system
properties, in the format:
```
{
"systemProperties": {
"personalizationStrategyStatus": [{
"personalizationId": "40a6bca-348a-40c2-a00d-48c4346e8e2c",
"inControlGroup": false,
"timeStamp": "2022-11-08"
}]
}
}
```
This way we can persist personalization strategy status on profile or
session in a generic way that could be reuse for other strategies than control
groups.
The control group will also be returned in the personalization results in
the context response, using this format:
Before:
```
{
"personalizations": {
"40a6bca-348a-40c2-a00d-48c4346e8e2c": ["variant_1_id", "variant_2_id"]
}
}
```
Now (We keep old syntax for retro-compatibility):
```
{
"personalizations": {
"40a6bca-348a-40c2-a00d-48c4346e8e2c": ["variant_1_id", "variant_2_id"]
},
"additionalResponseData": {
"personalizationResults": {
"40a6bca-348a-40c2-a00d-48c4346e8e2c": {
"contentIds": ["variant_1_id", "variant_2_id"],
"additionalResultInfos": {
"inControlGroup": true
}
}
}
}
}
```
This way we can return additional informations related to the personalized
results that will be useful for the client side.
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