Refactor complex conditionals#441
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Pull request overview
Refactors conditional-heavy logic in the explainability layer to improve readability and structure, addressing Issue #370.
Changes:
- Extracted dominant-signal explanation generation into a dedicated helper (
extractDominantSignalExplanation). - Replaced chained
if/elseconditionals withswitchstatements for clearer branching. - Added/expanded guard-clause style early exits in some logic paths.
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| private extractDominantSignalExplanation( | ||
| dominantSignal: string, | ||
| rankingSignal: any, | ||
| userProfile: Types.UserProfile, | ||
| similarUsers?: string[] |
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| case 'collaborativeSignal': | ||
| if (!similarUsers || similarUsers.length === 0) break; // Guard clause | ||
| result.primaryReason = `Users like you enjoyed this content`; | ||
| result.supportingSignals.push(`Liked by ${similarUsers.length} similar learners`); | ||
| result.featureAttribution.push({ | ||
| feature: 'user_similarity', | ||
| importance: rankingSignal.collaborativeSignal, | ||
| contribution: `Based on similar learning patterns`, | ||
| }); |
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| if (!userProfile) return ''; // Guard clause | ||
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Xhristin3
approved these changes
Apr 27, 2026
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Closes #370
Fixed Issue #370