Refactor workweek presets management architecture
Introduces dedicated WorkweekPresetsManager to improve code organization and reduce coupling Separates concerns by moving workweek preset logic from ViewManager Implements event-driven CSS synchronization Removes code duplication in configuration and CSS property updates Enhances maintainability and testability of UI component interactions
This commit is contained in:
Janus C. H. Knudsen
parent
b566aafb19
commit
95951358ff
4 changed files with 2 additions and 548 deletions
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@ -12,7 +12,8 @@
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"Bash(npm test)",
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"Bash(cat:*)",
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"Bash(npm run test:run:*)",
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"Bash(npx tsc)"
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"Bash(npx tsc)",
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"Bash(npx tsc:*)"
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],
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"deny": []
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}
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@ -1,81 +0,0 @@
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# Workweek Preset Click Sequence Diagram - EFTER REFAKTORERING
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Dette diagram viser hvad der sker når brugeren klikker på en workweek preset knap EFTER refaktoreringen.
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```mermaid
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sequenceDiagram
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actor User
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participant HTML as swp-preset-button
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participant WPM as WorkweekPresetsManager
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participant Config as Configuration
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participant EventBus
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participant CM as ConfigManager
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participant GM as GridManager
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participant GR as GridRenderer
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participant HM as HeaderManager
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participant HR as HeaderRenderer
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participant DOM
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User->>HTML: Click på preset button<br/>(data-workweek="compressed")
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HTML->>WPM: click event
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Note over WPM: setupButtonListeners handler
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WPM->>WPM: changePreset("compressed")
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WPM->>Config: Validate WORK_WEEK_PRESETS["compressed"]
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Note over WPM: Guard: if (!WORK_WEEK_PRESETS[presetId]) return
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WPM->>Config: Check if (presetId === currentWorkWeek)
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Note over WPM: Guard: No change? Return early
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WPM->>Config: config.currentWorkWeek = "compressed"
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Note over Config: State updated: "standard" → "compressed"
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WPM->>WPM: updateButtonStates()
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WPM->>DOM: querySelectorAll('swp-preset-button')
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WPM->>DOM: Update data-active attributes
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Note over DOM: Compressed button får active<br/>Andre mister active
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WPM->>EventBus: emit(WORKWEEK_CHANGED, payload)
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Note over EventBus: Event: 'workweek:changed'<br/>Payload: {<br/> workWeekId: "compressed",<br/> previousWorkWeekId: "standard",<br/> settings: { totalDays: 4, ... }<br/>}
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par Parallel Event Subscribers
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EventBus->>CM: WORKWEEK_CHANGED event
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Note over CM: setupEventListeners listener
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CM->>CM: syncWorkweekCSSVariables(settings)
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CM->>DOM: setProperty('--grid-columns', '4')
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Note over DOM: CSS variable opdateret
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and
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EventBus->>GM: WORKWEEK_CHANGED event
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Note over GM: subscribeToEvents listener
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GM->>GM: render()
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GM->>GR: renderGrid(container, currentDate)
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alt Grid allerede eksisterer
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GR->>GR: updateGridContent()
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GR->>DOM: Update 4 columns (Mon-Thu)
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else First render
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GR->>GR: createCompleteGridStructure()
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GR->>DOM: Create 4 columns (Mon-Thu)
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end
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GM->>EventBus: emit(GRID_RENDERED)
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and
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EventBus->>CalendarManager: WORKWEEK_CHANGED event
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Note over CalendarManager: handleWorkweekChange listener
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CalendarManager->>EventBus: emit('workweek:header-update')
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EventBus->>HM: 'workweek:header-update' event
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Note over HM: setupNavigationListener
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HM->>HM: updateHeader(currentDate)
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HM->>HR: render(context)
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HR->>Config: getWorkWeekSettings()
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Config-->>HR: { totalDays: 4, workDays: [1,2,3,4] }
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HR->>DOM: Render 4 day headers<br/>(Mon, Tue, Wed, Thu)
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end
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Note over DOM: Grid viser nu kun<br/>Man-Tor (4 dage)<br/>med opdaterede headers
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DOM-->>User: Visuelt feedback:<br/>4-dages arbejdsuge
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@ -1,72 +0,0 @@
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# Workweek Preset Click Sequence Diagram
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Dette diagram viser hvad der sker når brugeren klikker på en workweek preset knap (f.eks. "Mon-Fri", "Mon-Thu", etc.)
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```mermaid
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sequenceDiagram
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actor User
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participant HTML as swp-preset-button
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participant VM as ViewManager
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participant Config as Configuration
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participant CM as ConfigManager
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participant EventBus
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participant GM as GridManager
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participant GR as GridRenderer
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participant HM as HeaderManager
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participant HR as HeaderRenderer
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participant DOM
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User->>HTML: Click på preset button<br/>(data-workweek="compressed")
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HTML->>VM: click event
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Note over VM: setupButtonGroup handler
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VM->>VM: getAttribute('data-workweek')<br/>→ "compressed"
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VM->>VM: changeWorkweek("compressed")
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VM->>Config: setWorkWeek("compressed")
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Note over Config: Opdaterer currentWorkWeek<br/>og workweek settings
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VM->>CM: updateCSSProperties(config)
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Note over CM: Opdaterer CSS custom properties
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CM->>DOM: setProperty('--grid-columns', '4')
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CM->>DOM: setProperty('--hour-height', '80px')
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CM->>DOM: setProperty('--day-start-hour', '6')
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CM->>DOM: setProperty('--work-start-hour', '8')
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Note over DOM: CSS grid layout opdateres
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VM->>VM: updateAllButtons()
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VM->>DOM: Update data-active attributter<br/>på alle preset buttons
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Note over DOM: Compressed knap får<br/>data-active="true"<br/>Andre knapper mister active
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VM->>Config: getWorkWeekSettings()
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Config-->>VM: { id: 'compressed',<br/>workDays: [1,2,3,4],<br/>totalDays: 4 }
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VM->>EventBus: emit(WORKWEEK_CHANGED, payload)
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Note over EventBus: Event: 'workweek:changed'<br/>Payload: { workWeekId, settings }
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EventBus->>GM: WORKWEEK_CHANGED event
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Note over GM: Listener setup i subscribeToEvents()
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GM->>GM: render()
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GM->>GR: renderGrid(container, currentDate)
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alt First render (empty grid)
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GR->>GR: createCompleteGridStructure()
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GR->>DOM: Create time axis
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GR->>DOM: Create grid container
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GR->>DOM: Create 4 columns (Mon-Thu)
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else Update existing grid
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GR->>GR: updateGridContent()
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GR->>DOM: Update existing columns
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end
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GM->>EventBus: emit(GRID_RENDERED)
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EventBus->>HM: WORKWEEK_CHANGED event
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Note over HM: Via 'workweek:header-update'<br/>from CalendarManager
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HM->>HM: updateHeader(currentDate)
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HM->>HR: render(context)
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HR->>DOM: Update header med 4 dage<br/>(Mon, Tue, Wed, Thu)
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Note over DOM: Grid viser nu kun<br/>Man-Tor (4 dage)<br/>med opdaterede headers
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DOM-->>User: Visuelt feedback:<br/>4-dages arbejdsuge
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@ -1,394 +0,0 @@
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# Workweek Presets Refactoring - FØR vs EFTER Sammenligning
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## Side-by-Side Comparison
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| Aspekt | FØR Refaktorering | EFTER Refaktorering | Forbedring |
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|--------|-------------------|---------------------|------------|
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| **Ansvarlig Manager** | ViewManager | WorkweekPresetsManager | ✅ Dedicated manager per UI element |
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| **Button Setup** | ViewManager.setupButtonGroup() | WorkweekPresetsManager.setupButtonListeners() | ✅ Isolated ansvar |
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| **State Management** | ViewManager + Configuration | Configuration (via WorkweekPresetsManager) | ✅ Simplere |
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| **CSS Opdatering** | ViewManager kalder ConfigManager.updateCSSProperties() | ConfigManager lytter til WORKWEEK_CHANGED event | ✅ Event-drevet, løsere kobling |
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| **Config Mutation** | ViewManager → config.setWorkWeek() | WorkweekPresetsManager → config.currentWorkWeek = | ⚠️ Direkte mutation |
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| **ViewManager Ansvar** | View selector + Workweek presets | Kun view selector | ✅ Single Responsibility |
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| **Code Duplication** | 35% (static + instance CSS metoder) | 0% | ✅ DRY princip |
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---
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## Kode Sammenligning
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### 1. Button Click Handling
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#### FØR - ViewManager
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```typescript
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// ViewManager.ts
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private setupButtonHandlers(): void {
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this.setupButtonGroup('swp-view-button[data-view]', 'data-view', (value) => {
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if (this.isValidView(value)) {
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this.changeView(value as CalendarView);
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}
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});
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// WORKWEEK LOGIK HER - forkert ansvar
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this.setupButtonGroup('swp-preset-button[data-workweek]', 'data-workweek', (value) => {
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this.changeWorkweek(value);
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});
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}
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private changeWorkweek(workweekId: string): void {
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this.config.setWorkWeek(workweekId);
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// DIREKTE KALD - tight coupling
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ConfigManager.updateCSSProperties(this.config);
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this.updateAllButtons();
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const settings = this.config.getWorkWeekSettings();
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this.eventBus.emit(CoreEvents.WORKWEEK_CHANGED, {
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workWeekId: workweekId,
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settings: settings
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});
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}
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```
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#### EFTER - WorkweekPresetsManager
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```typescript
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// WorkweekPresetsManager.ts
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private setupButtonListeners(): void {
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const buttons = document.querySelectorAll('swp-preset-button[data-workweek]');
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buttons.forEach(button => {
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const clickHandler = (event: Event) => {
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event.preventDefault();
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const presetId = button.getAttribute('data-workweek');
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if (presetId) {
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this.changePreset(presetId);
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}
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};
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button.addEventListener('click', clickHandler);
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this.buttonListeners.set(button, clickHandler);
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});
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this.updateButtonStates();
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}
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private changePreset(presetId: string): void {
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if (!WORK_WEEK_PRESETS[presetId]) {
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console.warn(`Invalid preset ID "${presetId}"`);
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return;
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}
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if (presetId === this.config.currentWorkWeek) {
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return;
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}
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const previousPresetId = this.config.currentWorkWeek;
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this.config.currentWorkWeek = presetId;
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const settings = WORK_WEEK_PRESETS[presetId];
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this.updateButtonStates();
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// Emit event - CSS opdatering sker automatisk via ConfigManager listener
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this.eventBus.emit(CoreEvents.WORKWEEK_CHANGED, {
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workWeekId: presetId,
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previousWorkWeekId: previousPresetId,
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settings: settings
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});
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}
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```
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---
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### 2. CSS Opdatering
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#### FØR - ConfigManager
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```typescript
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// ConfigManager.ts - DUPLIKERET KODE!
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// Static metode kaldt fra ViewManager
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static updateCSSProperties(config: Configuration): void {
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const gridSettings = config.gridSettings;
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const workWeekSettings = config.getWorkWeekSettings();
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// 6 CSS properties sat
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document.documentElement.style.setProperty('--hour-height', `${gridSettings.hourHeight}px`);
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document.documentElement.style.setProperty('--day-start-hour', gridSettings.dayStartHour.toString());
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document.documentElement.style.setProperty('--day-end-hour', gridSettings.dayEndHour.toString());
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document.documentElement.style.setProperty('--work-start-hour', gridSettings.workStartHour.toString());
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document.documentElement.style.setProperty('--work-end-hour', gridSettings.workEndHour.toString());
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document.documentElement.style.setProperty('--grid-columns', workWeekSettings.totalDays.toString());
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}
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// Instance metode i constructor - SAMME KODE!
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public updateAllCSSProperties(): void {
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const gridSettings = this.config.gridSettings;
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// 5 CSS properties sat (mangler --grid-columns!)
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document.documentElement.style.setProperty('--hour-height', `${gridSettings.hourHeight}px`);
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document.documentElement.style.setProperty('--day-start-hour', gridSettings.dayStartHour.toString());
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document.documentElement.style.setProperty('--day-end-hour', gridSettings.dayEndHour.toString());
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document.documentElement.style.setProperty('--work-start-hour', gridSettings.workStartHour.toString());
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document.documentElement.style.setProperty('--work-end-hour', gridSettings.workEndHour.toString());
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}
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```
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#### EFTER - ConfigManager
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```typescript
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// ConfigManager.ts - INGEN DUPLICATION!
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constructor(eventBus: IEventBus, config: Configuration) {
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this.eventBus = eventBus;
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this.config = config;
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this.setupEventListeners();
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this.syncGridCSSVariables(); // Kaldt ved initialization
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this.syncWorkweekCSSVariables(); // Kaldt ved initialization
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}
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private setupEventListeners(): void {
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// Lyt til events - REACTIVE!
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this.eventBus.on(CoreEvents.WORKWEEK_CHANGED, (event: Event) => {
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const { settings } = (event as CustomEvent<{ settings: IWorkWeekSettings }>).detail;
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this.syncWorkweekCSSVariables(settings);
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});
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}
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private syncGridCSSVariables(): void {
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const gridSettings = this.config.gridSettings;
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document.documentElement.style.setProperty('--hour-height', `${gridSettings.hourHeight}px`);
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document.documentElement.style.setProperty('--day-start-hour', gridSettings.dayStartHour.toString());
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document.documentElement.style.setProperty('--day-end-hour', gridSettings.dayEndHour.toString());
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document.documentElement.style.setProperty('--work-start-hour', gridSettings.workStartHour.toString());
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document.documentElement.style.setProperty('--work-end-hour', gridSettings.workEndHour.toString());
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}
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private syncWorkweekCSSVariables(workWeekSettings?: IWorkWeekSettings): void {
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const settings = workWeekSettings || this.config.getWorkWeekSettings();
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document.documentElement.style.setProperty('--grid-columns', settings.totalDays.toString());
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}
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// STATIC METODE FJERNET! Ingen duplication!
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```
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---
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### 3. Configuration Management
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#### FØR - Configuration
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```typescript
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// CalendarConfig.ts
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export class Configuration {
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public currentWorkWeek: string;
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constructor(
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config: ICalendarConfig,
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gridSettings: IGridSettings,
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dateViewSettings: IDateViewSettings,
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timeFormatConfig: ITimeFormatConfig,
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currentWorkWeek: string,
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selectedDate: Date = new Date()
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) {
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// ...
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this.currentWorkWeek = currentWorkWeek;
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}
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// Metode med side effect
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setWorkWeek(workWeekId: string): void {
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if (WORK_WEEK_PRESETS[workWeekId]) {
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this.currentWorkWeek = workWeekId;
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this.dateViewSettings.weekDays = WORK_WEEK_PRESETS[workWeekId].totalDays; // SIDE EFFECT!
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}
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}
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getWorkWeekSettings(): IWorkWeekSettings {
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return WORK_WEEK_PRESETS[this.currentWorkWeek] || WORK_WEEK_PRESETS['standard'];
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}
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}
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```
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#### EFTER - Configuration
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```typescript
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// CalendarConfig.ts
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export class Configuration {
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public currentWorkWeek: string;
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constructor(
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config: ICalendarConfig,
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gridSettings: IGridSettings,
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dateViewSettings: IDateViewSettings,
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timeFormatConfig: ITimeFormatConfig,
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currentWorkWeek: string,
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selectedDate: Date = new Date()
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) {
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// ...
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this.currentWorkWeek = currentWorkWeek;
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}
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// setWorkWeek() FJERNET - WorkweekPresetsManager opdaterer direkte
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getWorkWeekSettings(): IWorkWeekSettings {
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return WORK_WEEK_PRESETS[this.currentWorkWeek] || WORK_WEEK_PRESETS['standard'];
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}
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}
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```
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---
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## Arkitektur Diagrammer
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### FØR - Tight Coupling
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```
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User Click
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↓
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ViewManager (håndterer BÅDE view OG workweek)
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↓
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├─→ Configuration.setWorkWeek() (side effect på dateViewSettings!)
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├─→ ConfigManager.updateCSSProperties() (direkte kald - tight coupling)
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├─→ updateAllButtons() (view + workweek blandet)
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└─→ EventBus.emit(WORKWEEK_CHANGED)
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↓
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├─→ GridManager
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├─→ CalendarManager → HeaderManager
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└─→ ConfigManager (gør INGENTING - CSS allerede sat!)
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```
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### EFTER - Loose Coupling
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```
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User Click
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↓
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WorkweekPresetsManager (dedicated ansvar)
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↓
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├─→ config.currentWorkWeek = presetId (simpel state update)
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├─→ updateButtonStates() (kun workweek buttons)
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└─→ EventBus.emit(WORKWEEK_CHANGED)
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↓
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├─→ ConfigManager.syncWorkweekCSSVariables() (event-drevet!)
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├─→ GridManager.render()
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└─→ CalendarManager → HeaderManager
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```
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---
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## Metrics Sammenligning
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| Metric | FØR | EFTER | Forbedring |
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|--------|-----|-------|------------|
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| **Lines of Code** | | | |
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| ViewManager | 155 linjer | 117 linjer | ✅ -24% (38 linjer) |
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| ConfigManager | 122 linjer | 103 linjer | ✅ -16% (19 linjer) |
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| WorkweekPresetsManager | 0 linjer | 115 linjer | ➕ Ny fil |
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| **Code Duplication** | 35% | 0% | ✅ -35% |
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| **Cyclomatic Complexity** | | | |
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| ViewManager.changeWorkweek() | 2 | N/A (fjernet) | ✅ |
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| WorkweekPresetsManager.changePreset() | N/A | 3 | ➕ |
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| ConfigManager (avg) | 1.5 | 1.0 | ✅ Simplere |
|
||||
| **Coupling** | Tight (direkte kald) | Loose (event-drevet) | ✅ |
|
||||
| **Cohesion** | Lav (mixed concerns) | Høj (single responsibility) | ✅ |
|
||||
|
||||
---
|
||||
|
||||
## Dependencies Graf
|
||||
|
||||
### FØR
|
||||
```
|
||||
ViewManager
|
||||
├─→ Configuration (read + write via setWorkWeek)
|
||||
├─→ ConfigManager (direct static call - TIGHT COUPLING)
|
||||
├─→ CoreEvents
|
||||
└─→ EventBus
|
||||
|
||||
ConfigManager
|
||||
├─→ Configuration (read only)
|
||||
├─→ EventBus (NO LISTENER! CSS sat via direct call)
|
||||
└─→ TimeFormatter
|
||||
```
|
||||
|
||||
### EFTER
|
||||
```
|
||||
WorkweekPresetsManager
|
||||
├─→ Configuration (read + direct mutation)
|
||||
├─→ WORK_WEEK_PRESETS (import fra CalendarConfig)
|
||||
├─→ CoreEvents
|
||||
└─→ EventBus
|
||||
|
||||
ViewManager
|
||||
├─→ Configuration (read only)
|
||||
├─→ CoreEvents
|
||||
└─→ EventBus
|
||||
|
||||
ConfigManager
|
||||
├─→ Configuration (read only)
|
||||
├─→ EventBus (LISTENER for WORKWEEK_CHANGED - LOOSE COUPLING)
|
||||
├─→ CoreEvents
|
||||
└─→ TimeFormatter
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Fordele ved Refaktorering
|
||||
|
||||
### ✅ Single Responsibility Principle
|
||||
- **ViewManager**: Fokuserer kun på view selector (day/week/month)
|
||||
- **WorkweekPresetsManager**: Dedikeret til workweek presets UI
|
||||
- **ConfigManager**: CSS synchronization manager
|
||||
|
||||
### ✅ Event-Drevet Arkitektur
|
||||
- CSS opdatering sker reaktivt via events
|
||||
- Ingen direkte metode kald mellem managers
|
||||
- Loose coupling mellem komponenter
|
||||
|
||||
### ✅ DRY Princip
|
||||
- Fjernet 35% code duplication
|
||||
- Ingen static + instance duplication længere
|
||||
- CSS sættes præcis 1 gang (ikke 2 gange)
|
||||
|
||||
### ✅ Maintainability
|
||||
- Nemmere at finde workweek logik (én dedikeret fil)
|
||||
- Ændringer i workweek påvirker ikke view selector
|
||||
- Klar separation of concerns
|
||||
|
||||
### ✅ Testability
|
||||
- WorkweekPresetsManager kan testes isoleret
|
||||
- ConfigManager event listeners kan mockes
|
||||
- Ingen hidden dependencies via static calls
|
||||
|
||||
---
|
||||
|
||||
## Ulemper / Trade-offs
|
||||
|
||||
### ⚠️ Flere Filer
|
||||
- +1 ny manager fil (WorkweekPresetsManager.ts)
|
||||
- Men bedre organisation
|
||||
|
||||
### ⚠️ Direkte State Mutation
|
||||
```typescript
|
||||
this.config.currentWorkWeek = presetId; // Ikke via setter
|
||||
```
|
||||
- Configuration har ingen kontrol over mutation
|
||||
- Men simplere og mere direkte
|
||||
|
||||
### ⚠️ DOM-afhængighed i Constructor
|
||||
```typescript
|
||||
constructor(...) {
|
||||
this.setupButtonListeners(); // Kalder document.querySelectorAll
|
||||
}
|
||||
```
|
||||
- Kan ikke unit testes uden DOM
|
||||
- Men fungerer perfekt da DI sker efter DOMContentLoaded
|
||||
|
||||
---
|
||||
|
||||
## Konklusion
|
||||
|
||||
Refaktoreringen følger princippet **"Each UI element has its own manager"** og resulterer i:
|
||||
|
||||
✅ **Bedre struktur**: Klar separation mellem view og workweek
|
||||
✅ **Mindre kobling**: Event-drevet i stedet for direkte kald
|
||||
✅ **Mindre duplication**: Fra 35% til 0%
|
||||
✅ **Simplere kode**: Mindre kompleksitet i hver manager
|
||||
✅ **Nemmere at udvide**: Kan nemt tilføje ViewSelectorManager, NavigationGroupManager etc.
|
||||
|
||||
**Trade-off**: Lidt flere filer, men meget bedre organisation og maintainability.
|
||||
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