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 42.85714% with 48 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.49%. Comparing base (c572b53) to head (f820ec7).

Files with missing lines	Patch %	Lines
pkg/database/alerts.go	44.18%	24 Missing ⚠️
pkg/database/decisions.go	41.46%	23 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3906      +/-   ##
==========================================
- Coverage   61.50%   61.49%   -0.02%     
==========================================
  Files         407      407              
  Lines       42014    42026      +12     
==========================================
+ Hits        25839    25842       +3     
- Misses      14045    14053       +8     
- Partials     2130     2131       +1     

Flag	Coverage Δ
bats	45.64% <42.85%> (-0.02%)	⬇️
unit-linux	34.46% <42.85%> (+<0.01%)	⬆️
unit-windows	24.45% <0.00%> (+0.01%)	⬆️

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