refact pkg/database batching

[mmetc]

add cancellation checks, don't use recursion

[github-actions]

@mmetc: There are no 'kind' label on this PR. You need a 'kind' label to generate the release automatically.

• /kind feature
• /kind enhancement
• /kind refactoring
• /kind fix
• /kind chore
• /kind dependencies

Details

I am a bot created to help the crowdsecurity developers manage community feedback and contributions. You can check out my manifest file to understand my behavior and what I can do. If you want to use this for your project, you can check out the BirthdayResearch/oss-governance-bot repository.

[github-actions]

@mmetc: There are no area labels on this PR. You can add as many areas as you see fit.

• /area agent
• /area local-api
• /area cscli
• /area appsec
• /area security
• /area configuration

Details

I am a bot created to help the crowdsecurity developers manage community feedback and contributions. You can check out my manifest file to understand my behavior and what I can do. If you want to use this for your project, you can check out the BirthdayResearch/oss-governance-bot repository.

[codecov]

Codecov Report

❌ Patch coverage is 43.20988% with 46 lines in your changes missing coverage. Please review.
✅ Project coverage is 62.68%. Comparing base (cbdc2d4) to head (6c0c979).

Files with missing lines	Patch %	Lines
pkg/database/alerts.go	44.18%	24 Missing ⚠️
pkg/database/decisions.go	42.10%	21 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3906      +/-   ##
==========================================
+ Coverage   61.51%   62.68%   +1.16%     
==========================================
  Files         410      410              
  Lines       42093    32971    -9122     
==========================================
- Hits        25895    20668    -5227     
+ Misses      14073    10180    -3893     
+ Partials     2125     2123       -2     

Flag	Coverage Δ
bats	46.38% <43.20%> (+0.81%)	⬆️
unit-linux	35.29% <43.20%> (+0.78%)	⬆️
unit-windows	24.70% <0.00%> (+0.23%)	⬆️

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