feat(analytics): add sessionized_metrics for refunds analytics

[maverox]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

Description

Add sessionized metrics module and implement backwards compatibility.

Fixes #6417

Additional Changes

• This PR modifies the API contract
• This PR modifies the database schema
• This PR modifies application configuration/environment variables

Motivation and Context

Refund metrics didn't have a sessionized_metrics module and implementation as were there in payments and payment_intents metrics

How did you test it?

curl 'http://localhost:8080/analytics/v1/org/metrics/refunds' \
  -H 'Accept: */*' \
  -H 'Accept-Language: en-GB,en-US;q=0.9,en;q=0.8' \
  -H 'Connection: keep-alive' \
  -H 'Content-Type: application/json' \
  -H 'Origin: http://localhost:9000' \
  -H 'QueryType: SingleStat' \
  -H 'Referer: http://localhost:9000/' \
  -H 'Sec-Fetch-Dest: empty' \
  -H 'Sec-Fetch-Mode: cors' \
  -H 'Sec-Fetch-Site: same-site' \
  -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36' \
  -H 'api-key: hyperswitch' \
  -H 'authorization: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1c2VyX2lkIjoiMDZlOGRmZWYtMzI0Zi00Yjc0LTg2MTItYzdkZjNhOGZmZTcyIiwibWVyY2hhbnRfaWQiOiJtZXJjaGFudF8xNzI3NDM0NTkzIiwicm9sZV9pZCI6Im9yZ19hZG1pbiIsImV4cCI6MTcyOTgzNzUwNywib3JnX2lkIjoib3JnXzl3Y0kxQ2hTOGVEdnRRQmRXak9IIiwicHJvZmlsZV9pZCI6InByb19FNW5lek43YjZUbVB1WlUzbEU1VSJ9.KlBRpu8DpGZ43u9hsB4xE2oSXNM21HC0RadRdfMe2VI' \
  -H 'sec-ch-ua: "Chromium";v="130", "Google Chrome";v="130", "Not?A_Brand";v="99"' \
  -H 'sec-ch-ua-mobile: ?0' \
  -H 'sec-ch-ua-platform: "macOS"' \
  --data-raw '[{"timeRange":{"startTime":"2024-10-15T18:30:00Z","endTime":"2024-10-23T18:06:00Z"},"mode":"ORDER","source":"BATCH","metrics":["refund_success_rate","refund_count","refund_success_count","refund_processed_amount","sessionized_refund_success_rate","sessionized_refund_count","sessionized_refund_success_count","sessionized_refund_processed_amount"],"delta":true}]'

Checklist

• I formatted the code cargo +nightly fmt --all
• I addressed lints thrown by cargo clippy
• I reviewed the submitted code
• I added unit tests for my changes where possible

[semanticdiff-com]

Review changes with SemanticDiff.

Analyzed 8 of 8 files.

Overall, the semantic diff is 3% smaller than the GitHub diff.

	Filename	Status
✔️	crates/api_models/src/analytics/refunds.rs	Analyzed
✔️	crates/analytics/src/refunds/core.rs	79.38% smaller
✔️	crates/analytics/src/refunds/metrics.rs	Analyzed
✔️	crates/analytics/src/refunds/metrics/sessionized_metrics/mod.rs	Analyzed
✔️	crates/analytics/src/refunds/metrics/sessionized_metrics/refund_count.rs	Analyzed
✔️	crates/analytics/src/refunds/metrics/sessionized_metrics/refund_processed_amount.rs	Analyzed
✔️	crates/analytics/src/refunds/metrics/sessionized_metrics/refund_success_count.rs	Analyzed
✔️	crates/analytics/src/refunds/metrics/sessionized_metrics/refund_success_rate.rs	Analyzed