58 lines
5.2 KiB
TypeScript
58 lines
5.2 KiB
TypeScript
import type { SleepEntry, SleepEventType, SleepSnapshot } from '../api/sleepDiary'
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const ascii = (value: string) => value.normalize('NFD').replace(/[\u0300-\u036f]/g, '').replace(/[^\x20-\x7e]/g, '?')
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const text = (x: number, y: number, size: number, value: string) => `0 g BT /F1 ${size} Tf ${x.toFixed(1)} ${y.toFixed(1)} Td (${ascii(value).replace(/([\\()])/g, '\\$1')}) Tj ET\n`
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const minute = (iso: string, night: string) => Math.max(0, Math.min(1440,
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(new Date(iso).getTime() - new Date(`${night}T18:00:00`).getTime()) / 60000))
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const labels: Record<SleepEventType, string> = { bed_time: 'v', final_get_up: '^', night_get_up: '^',
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sleep: 'SLEEP', nap: 'NAP', long_awake: 'AWAKE', half_sleep: 'HALF', daytime_sleepiness: 'S' }
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function row(stream: string[], entry: SleepEntry, y: number) {
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const timelineX = 112; const width = 530
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stream.push(`0.7 G 30 ${y - 40} 782 40 re S\n`)
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stream.push(text(33, y - 16, 7, `${entry.night_start_date} > ${entry.night_end_date}`))
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for (let hour = 0; hour <= 24; hour++) { const x = timelineX + hour / 24 * width; stream.push(`0.9 G ${x} ${y - 40} m ${x} ${y} l S\n`) }
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entry.events.forEach((event) => {
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const x = timelineX + minute(event.start_at, entry.night_start_date) / 1440 * width
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if (event.end_at) {
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const eventWidth = Math.max(2, timelineX + minute(event.end_at, entry.night_start_date) / 1440 * width - x)
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const shade = event.type === 'sleep' ? 0.75 : event.type === 'half_sleep' ? 0.87 : 0.93
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stream.push(`${shade} g ${x} ${y - 29} ${eventWidth} 18 re f 0 G ${x} ${y - 29} ${eventWidth} 18 re S\n`)
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if (eventWidth > 24) stream.push(text(x + 2, y - 23, 5, labels[event.type]))
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} else stream.push(text(x, y - 25, 8, labels[event.type]))
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})
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stream.push(text(648, y - 16, 7, entry.sleep_quality ?? '-')); stream.push(text(680, y - 16, 7, entry.wake_quality ?? '-'))
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stream.push(text(712, y - 16, 7, entry.day_form ?? '-')); stream.push(text(744, y - 13, 5, entry.treatment_and_notes.slice(0, 24)))
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stream.push(text(744, y - 22, 5, entry.treatment_and_notes.slice(24, 48)))
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}
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function page(snapshot: SleepSnapshot, entries: SleepEntry[], index: number, count: number, language: 'fr' | 'en') {
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const stream = ['0 G 0 g\n', text(30, 565, 14, language === 'fr' ? 'AGENDA TRAINLOG DE VIGILANCE ET DE SOMMEIL' : 'TRAINLOG SLEEP AND ALERTNESS DIARY'), text(740, 565, 7, `${index + 1}/${count}`), text(30, 548, 7, 'DATE')]
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for (let hour = 0; hour <= 24; hour++) stream.push(text(112 + hour / 24 * 530, 548, 5, String((18 + hour) % 24)))
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stream.push(text(646, 548, 5, 'SLEEP'), text(678, 548, 5, 'WAKE'), text(710, 548, 5, 'DAY'), text(744, 548, 5, 'NOTES'))
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entries.forEach((entry, rowIndex) => row(stream, entry, 538 - rowIndex * 40))
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const y = 520 - entries.length * 40
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stream.push(text(30, y, 9, 'OBSERVATIONS'), text(30, y - 14, 6, `${snapshot.summary.nights} nights; sleep ${Math.round(snapshot.summary.sleep_duration_seconds / 60)} min; long awake ${snapshot.summary.long_awake_count}; naps ${snapshot.summary.nap_count}; sleepiness ${snapshot.summary.sleepiness_count}`))
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entries.filter((entry) => entry.treatment_and_notes).slice(0, 3).forEach((entry, noteIndex) => stream.push(text(30, y - 27 - noteIndex * 10, 6, `${entry.night_start_date}: ${entry.treatment_and_notes.slice(0, 110)}`)))
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stream.push(text(30, 18, 6, 'Legend: v bedtime; ^ get-up; S sleepiness; SLEEP sleep; NAP nap; AWAKE long awakening; HALF half-sleep.'))
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return stream.join('')
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}
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/** Builds a deterministic local vector document from the Core snapshot, never from screen pixels. */
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export function buildSleepDiaryPdf(snapshot: SleepSnapshot, language: 'fr' | 'en'): Blob {
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const groups = Array.from({ length: Math.max(1, Math.ceil(snapshot.entries.length / 9)) }, (_, index) => snapshot.entries.slice(index * 9, (index + 1) * 9))
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const objects = ['<< /Type /Catalog /Pages 2 0 R >>', `<< /Type /Pages /Kids [${groups.map((_, index) => `${4 + index * 2} 0 R`).join(' ')}] /Count ${groups.length} >>`, '<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>']
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groups.forEach((entries, index) => { const content = page(snapshot, entries, index, groups.length, language); objects.push(`<< /Type /Page /Parent 2 0 R /MediaBox [0 0 842 595] /Resources << /Font << /F1 3 0 R >> >> /Contents ${5 + index * 2} 0 R >>`, `<< /Length ${new TextEncoder().encode(content).length} >>\nstream\n${content}endstream`) })
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let output = '%PDF-1.4\n%Trainlog\n'; const offsets: number[] = []
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objects.forEach((object, index) => { offsets.push(new TextEncoder().encode(output).length); output += `${index + 1} 0 obj\n${object}\nendobj\n` })
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const xref = new TextEncoder().encode(output).length
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output += `xref\n0 ${objects.length + 1}\n0000000000 65535 f \n${offsets.map((value) => `${String(value).padStart(10, '0')} 00000 n \n`).join('')}trailer\n<< /Size ${objects.length + 1} /Root 1 0 R >>\nstartxref\n${xref}\n%%EOF\n`
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return new Blob([new TextEncoder().encode(output)], { type: 'application/pdf' })
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}
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export function presentSleepDiaryPdf(blob: Blob, download: boolean) {
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const url = URL.createObjectURL(blob)
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if (download) { const link = document.createElement('a'); link.href = url; link.download = 'trainlog-sleep-diary.pdf'; link.click() }
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else window.open(url, '_blank', 'noopener,noreferrer')
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window.setTimeout(() => URL.revokeObjectURL(url), 60_000)
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}
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