kimai-plugin-heatmap/.planning/phases/05-polish/05-01-PLAN.md
Christopher Mühl 843ac84805
docs: phase 5 planning artifacts
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-08 16:05:50 +02:00

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# Plan 05-01: Streak, Stats, Weekend Styling, Week Start
**Phase:** 5 — Polish
**Requirements:** POLI-01, POLI-02, POLI-03 + start-of-week preference
**Estimated tasks:** 6
## Goal
Add streak indicator, summary stats row, weekend cell styling, and configurable week start to the heatmap widget.
## Tasks
### Task 1: Add week start to PHP widget data
**File:** `Widget/HeatmapWidget.php`
**Action:** In `getData()`, read `$user->getFirstDayOfWeek()` and include it in the returned array as `'weekStart'`.
**File:** `Resources/views/widget/heatmap.html.twig`
**Action:** Add `data-week-start="{{ data.weekStart }}"` to the `#heatmap-container` div.
### Task 2: Make week start configurable in TypeScript
**File:** `assets/src/heatmap.ts`
**Changes:**
- In `init()`, read `data-week-start` attribute from container (default: `'monday'`)
- Pass `weekStart` string to `renderHeatmap()` via a new optional parameter
- In `generateCells()`, replace hardcoded `timeMonday` with the appropriate d3 time interval based on `weekStart`:
- `'sunday'``timeSunday` (import from d3-time)
- `'monday'``timeMonday` (existing)
- Update `DAY_LABELS` to rotate based on week start
- Update `dayOfWeek` calculation to match (row 0 = first day of week)
### Task 3: Add weekend cell styling
**File:** `assets/src/heatmap.ts`
**Changes:**
- In `generateCells()`, add `isWeekend: boolean` to `DayCell` interface (Saturday=6, Sunday=0 in JS `getDay()`)
- In the cell rendering `.attr('class', ...)`, append `heatmap-weekend` class for weekend cells
**File:** `Resources/public/heatmap.css`
**Add:**
```css
.heatmap-weekend {
opacity: 0.8;
}
.heatmap-weekend:hover {
opacity: 0.65;
}
```
### Task 4: Add streak calculation
**File:** `assets/src/heatmap.ts`
**Add function** `calculateStreak(days: DayEntry[]): number`:
- Sort days by date descending
- Starting from today (or yesterday if today has no entry), count consecutive calendar days with entries
- Return the count
- A day with `hours > 0` counts as tracked
### Task 5: Add summary stats calculation
**File:** `assets/src/heatmap.ts`
**Add function** `calculateStats(days: DayEntry[]): { totalHours: number, avgHours: number, busiestDay: { date: string, hours: number } | null }`:
- `totalHours`: sum of all hours, rounded to 1 decimal
- `avgHours`: total hours / number of days with entries, rounded to 1 decimal
- `busiestDay`: day entry with maximum hours
### Task 6: Render streak and stats below heatmap
**File:** `assets/src/heatmap.ts`
**In `init()`**, after `renderHeatmap()` resolves:
- Call `calculateStreak()` and `calculateStats()` with the fetched data
- Create a stats row div below the SVG area with class `heatmap-stats`
- Content: `🔥 N days | Total: Xh | Avg: Xh/day | Busiest: Mon, Mar 15 — Xh`
- When filter changes and data reloads, recalculate and update stats
**File:** `Resources/public/heatmap.css`
**Add:**
```css
.heatmap-stats {
display: flex;
gap: 16px;
padding: 8px 0 0;
font-size: 0.8125rem;
color: var(--tblr-secondary, #6c757d);
flex-wrap: wrap;
}
.heatmap-stats .stat-value {
color: var(--tblr-body-color);
font-weight: 600;
}
```
## Verification
- `npm run build` succeeds
- Widget shows streak count, three stat values, weekend cells with reduced opacity
- Changing week start preference changes grid layout and labels
- Filter change recalculates stats
## Commit
`feat: add streak, stats, weekend styling, week-start preference`