♻️ Adhere to principle of single responsibility through class redesign (#1807) #1820
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WalkthroughThe changes refactor how contest tables are managed by removing multiple bespoke filter and table generator classes and replacing them with a unified provider-based system. The TaskTable component now uses methods from a new ContestTableProvider interface, and corresponding TypeScript types and abstract/concrete provider classes have been added. Legacy files handling task results filtering and table generation have been removed, streamlining the overall code structure. Changes
Sequence Diagram(s)sequenceDiagram
participant UI as TaskTable.svelte
participant Provider as ContestTableProvider
UI->>Provider: filter(taskResults)
Provider-->>UI: filteredTaskResults
UI->>Provider: generateTable(filteredTaskResults)
Provider-->>UI: contestTable
UI->>Provider: getContestRoundLabel(contestId)
Provider-->>UI: contestRoundLabel
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Actionable comments posted: 1
🧹 Nitpick comments (1)
src/lib/components/TaskTables/TaskTable.svelte (1)
34-34: Setting the default active contest type.Providing
'abcLatest20Rounds'as the initial value is a logical choice. Consider later storing this state for user preference if needed.
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📒 Files selected for processing (5)
src/lib/components/TaskTables/TaskTable.svelte(4 hunks)src/lib/types/contest_table_provider.ts(1 hunks)src/lib/utils/contest_table_provider.ts(1 hunks)src/lib/utils/task_results_filter.ts(0 hunks)src/lib/utils/task_table_generator.ts(0 hunks)
💤 Files with no reviewable changes (2)
- src/lib/utils/task_results_filter.ts
- src/lib/utils/task_table_generator.ts
🔇 Additional comments (15)
src/lib/types/contest_table_provider.ts (1)
1-106: Well-structured interface definitions and thorough documentation.This new file effectively sets a clear contract for building contest tables in a modular way. The interface specification is coherent, and the method signatures are aligned with their documented responsibilities. No performance or security concerns identified, and naming is consistent. Great job.
src/lib/utils/contest_table_provider.ts (3)
1-78: Solid abstract class design.Using an abstract base class to encapsulate shared logic for filtering and generating contest tables is a clean approach that supports the single responsibility principle. The JSDoc is clear, and there are no apparent performance or concurrency concerns. Good work.
80-114: Straightforward logic for limited rounds retrieval.By sorting, reversing, and slicing down to 20 contests, this provider correctly captures the latest contests without adding unnecessary complexity. The O(N log N) overhead from sorting is likely acceptable for typical data volumes. Looks good.
163-168: Centralized export of contest table providers.Bundling different provider instances in one object is a clean way to manage expansions or additions later. No issues here.
src/lib/components/TaskTables/TaskTable.svelte (11)
15-15: Correct type-only import usage.Importing
ContestTableProvideras a type ensures minimal overhead and clarifies that it's not a runtime dependency. Looks good.
21-23: Provider-based approach adoption.Importing
contestTableProvidersandContestTableProvidersaligns with the new architecture, enabling a cleaner, more modular code flow.
49-49: Dynamically retrieving table title.Sourcing the table title directly from the provider’s metadata fosters consistency across various contest types. No issues here.
51-52: Round label delegation.Using the provider’s
getContestRoundLabelmethod ensures consistent naming and cleanly delegates label logic. Good separation of concerns.
87-87: Iterating contest providers.Employing
Object.entries(contestTableProviders)is an elegant approach to dynamically render button choices. Straightforward and well-organized.
89-89: Inline click handler for changing the active provider.Assigning the active contest type within an arrow function is clear. This triggers the reactive chain appropriately in Svelte.
91-91: ARIA label for accessibility.Leveraging
ariaLabelfrom the provider’s metadata helps ensure screen readers correctly describe each button. Great accessibility practice.
93-93: Context-sensitive button labels.Fetching the button label from the provider fosters a flexible UI design that’s easy to extend for new contest types.
99-99: Header title binding.Displaying the provider’s title in the heading ensures accurate reflection of the selected contest range without manual updates.
125-125: Consistent round label usage.Passing
providerandcontestIdtogetContestRoundLabelseamlessly externalizes labeling logic, reducing duplication. No issues found.
36-47:Details
❓ Verification inconclusive
Reactive derivation of data.
Utilizing
$derivedforprovider,filteredTaskResults, andtaskTableis a neat, maintainable pattern for automatically updating wheneveractiveContestTypechanges. Confirm$derivedis correctly implemented in your environment.
🏁 Script executed:
#!/bin/bash ast-grep --pattern $'function $derived($_) {\n $$$\n}'Length of output: 54
Attention: Please Manually Verify the
$derivedImplementationThe reactive derivation using
$derivedforprovider,filteredTaskResults,taskTable, andtaskTableHeaderIdsis a neat and maintainable approach to update data whenactiveContestTypechanges. However, automated searches (via the provided ast-grep query) did not locate an explicit definition for$derivedin the codebase. Please double-check that its implementation exists and behaves as expected when integrated into your environment.
- Location:
src/lib/components/TaskTables/TaskTable.svelte(lines 36–47)- Action: Manually confirm that
$derivedis correctly implemented and imported, ensuring it properly triggers reactivity whenactiveContestTypechanges.
close #1807
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