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fitness: limit workouts-per-week chart to 10 weeks and trim empty leading weeks

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Reduce the chart window from 12 to 10 weeks and trim leading weeks
with zero workouts so the chart starts from the first week with data.
This commit is contained in:
Alexander Bocken
2026-03-19 09:14:45 +01:00
parent 6c6abe9f6c
commit 292ec20320
1 changed files with 16 additions and 7 deletions
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23
src/routes/api/fitness/stats/profile/+server.ts
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@@ -16,8 +16,8 @@ export const GET: RequestHandler = async ({ locals }) => {
await dbConnect();
console.timeEnd('[stats/profile] dbConnect');
const twelveWeeksAgo = new Date();
twelveWeeksAgo.setDate(twelveWeeksAgo.getDate() - 84);
const tenWeeksAgo = new Date();
tenWeeksAgo.setDate(tenWeeksAgo.getDate() - 70);
console.time('[stats/profile] countDocuments');
const totalWorkouts = await WorkoutSession.countDocuments({ createdBy: user.nickname });
@@ -28,7 +28,7 @@ export const GET: RequestHandler = async ({ locals }) => {
{
$match: {
createdBy: user.nickname,
startTime: { $gte: twelveWeeksAgo }
startTime: { $gte: tenWeeksAgo }
}
},
{
@@ -62,18 +62,27 @@ export const GET: RequestHandler = async ({ locals }) => {
weekMap.set(`${item._id.year}-${item._id.week}`, item.count);
}
const workoutsChart: { labels: string[]; data: number[] } = { labels: [], data: [] };
const allLabels: string[] = [];
const allData: number[] = [];
const now = new Date();
for (let i = 11; i >= 0; i--) {
for (let i = 9; i >= 0; i--) {
const d = new Date(now);
d.setDate(d.getDate() - i * 7);
const year = getISOWeekYear(d);
const week = getISOWeek(d);
const key = `${year}-${week}`;
workoutsChart.labels.push(`W${week}`);
workoutsChart.data.push(weekMap.get(key) ?? 0);
allLabels.push(`W${week}`);
allData.push(weekMap.get(key) ?? 0);
}
// Trim leading empty weeks, but always keep from first week with data
let firstNonZero = allData.findIndex((v) => v > 0);
if (firstNonZero === -1) firstNonZero = allData.length - 1; // show at least current week
const workoutsChart = {
labels: allLabels.slice(firstNonZero),
data: allData.slice(firstNonZero)
};
// Build chart-ready weight data with SMA ± 1 std dev confidence band
const weightChart: {
labels: string[];