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Closes https://github.com/coder/internal/issues/510 <details> <summary> Refactoring Summary </summary> ### 1) `CalculateActions` Function #### Issues Before Refactoring: - Large function (~150 lines), making it difficult to read and maintain. - The control flow is hard to follow due to complex conditional logic. - The `ReconciliationActions` struct was partially initialized early, then mutated in multiple places, making the flow error-prone. Original source:fe60b569ad/coderd/prebuilds/state.go (L13-L167)
#### Improvements After Refactoring: - Simplified and broken down into smaller, focused helper methods. - The flow of the function is now more linear and easier to understand. - Struct initialization is cleaner, avoiding partial and incremental mutations. Refactored function:eeb0407d78/coderd/prebuilds/state.go (L67-L84)
--- ### 2) `ReconciliationActions` Struct #### Issues Before Refactoring: - The struct mixed both actionable decisions and diagnostic state, which blurred its purpose. - It was unclear which fields were necessary for reconciliation logic, and which were purely for logging/observability. #### Improvements After Refactoring: - Split into two clear, purpose-specific structs: - **`ReconciliationActions`** — defines the intended reconciliation action. - **`ReconciliationState`** — captures runtime state and metadata, primarily for logging and diagnostics. Original struct:fe60b569ad/coderd/prebuilds/reconcile.go (L29-L41)
</details> --------- Signed-off-by: Danny Kopping <dannykopping@gmail.com> Co-authored-by: Sas Swart <sas.swart.cdk@gmail.com> Co-authored-by: Danny Kopping <dannykopping@gmail.com> Co-authored-by: Dean Sheather <dean@deansheather.com> Co-authored-by: Spike Curtis <spike@coder.com> Co-authored-by: Danny Kopping <danny@coder.com>