8eb8f551fc
Story 6-4 — Chat with PDF: - Feature déjà implémentée (document-qa-overlay.tsx, ingestion, search) - Marquée done dans sprint-status Story 6-5 — PPTX Export Watermark (PLG viral loop): - lib/brainstorm/export-pptx.ts: addWatermark + withWatermark helpers - lib/ai/tools/pptx.tool.ts: même pattern monkey-patch addSlide - Watermark 'memento-note.com' 7pt gris bas-droite sur chaque slide - Zéro modification des 14+ fonctions de slides existantes - 174 tests passent, aucune erreur TS Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
346 lines
12 KiB
TypeScript
346 lines
12 KiB
TypeScript
import type PptxGenJSModule from 'pptxgenjs'
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let _PptxGenJS: (new () => PptxGenJSModule) | null = null
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async function getPptxGenClass(): Promise<new () => PptxGenJSModule> {
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if (!_PptxGenJS) {
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const mod = await import('pptxgenjs')
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_PptxGenJS = (mod.default ?? mod) as unknown as new () => PptxGenJSModule
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}
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return _PptxGenJS
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}
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// ── Theme — cohérent avec l'identité visuelle Momento ───────────────────────
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const T = {
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bg: 'F2F0E9',
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primary: '1C1C1C',
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accent: 'A47148',
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secondary: 'D4A373',
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muted: '9A8C87',
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wave1: 'fb923c',
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wave2: '60a5fa',
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wave3: 'a78bfa',
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green: '10b981',
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}
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const WAVE_LABELS: Record<number, string> = {
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1: '🔄 Variations',
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2: '🔗 Analogies',
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3: '💥 Disruptions',
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}
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const WAVE_COLORS: Record<number, string> = {
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1: T.wave1,
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2: T.wave2,
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3: T.wave3,
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}
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// ── Types (minimal subset) ──────────────────────────────────────────────────
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interface IdeaLike {
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id: string
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title: string
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description: string
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waveNumber: number
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status: string
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isStarred: boolean
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convertedToNoteId: string | null
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}
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interface SessionLike {
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seedIdea: string
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createdAt: Date
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ideas: IdeaLike[]
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}
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// ── Helpers ─────────────────────────────────────────────────────────────────
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function slugify(text: string): string {
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return text
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.toLowerCase()
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.replace(/[^a-z0-9\s-]/g, '')
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.replace(/\s+/g, '-')
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.slice(0, 40)
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}
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function truncate(text: string, max: number): string {
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return text.length > max ? text.slice(0, max - 1) + '…' : text
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}
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/**
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* PLG viral watermark — added to every slide automatically via addSlide monkey-patch.
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* Subtle branding in bottom-right corner to drive organic acquisition.
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*/
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function addWatermark(slide: any) {
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slide.addText('memento-note.com', {
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x: 7.0, y: 5.35, w: 2.7, h: 0.2,
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fontSize: 7, fontFace: 'Arial', color: 'B8B0A8',
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align: 'right', italic: true,
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})
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}
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/** Wrap pres.addSlide so every new slide gets the Momento watermark automatically */
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function withWatermark(pres: PptxGenJSModule): PptxGenJSModule {
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const original = pres.addSlide.bind(pres)
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;(pres as any).addSlide = (...args: any[]) => {
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const slide = original(...args)
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addWatermark(slide)
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return slide
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}
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return pres
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}
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// Add a consistent slide background
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function addBg(slide: any) {
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slide.background = { color: T.bg }
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}
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// Accent bar at the top of a slide
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function addTopBar(slide: any, color: string = T.accent) {
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slide.addShape('rect', { x: 0, y: 0, w: '100%', h: 0.12, fill: { color } })
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}
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// ── Slide builders ───────────────────────────────────────────────────────────
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function buildCoverSlide(pres: PptxGenJSModule, session: SessionLike, stats: { total: number; converted: number; starred: number }) {
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const slide = pres.addSlide()
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addBg(slide)
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// Left accent panel
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slide.addShape('rect', { x: 0, y: 0, w: 3.6, h: '100%', fill: { color: T.primary } })
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// Brand label on accent panel
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slide.addText('MOMENTO', {
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x: 0.3, y: 0.4, w: 3.0, h: 0.4,
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fontSize: 9, fontFace: 'Arial', color: T.accent, bold: true,
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charSpacing: 4, align: 'left',
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})
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// Seed idea (big) on right
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slide.addText(truncate(session.seedIdea, 80), {
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x: 4.0, y: 1.2, w: 5.6, h: 2.4,
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fontSize: 26, fontFace: 'Georgia', color: T.primary,
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bold: false, align: 'left', valign: 'middle', wrap: true,
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})
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// Date
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slide.addText(session.createdAt.toLocaleDateString('fr-FR', { day: 'numeric', month: 'long', year: 'numeric' }), {
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x: 4.0, y: 4.0, w: 5.6, h: 0.4,
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fontSize: 10, fontFace: 'Arial', color: T.muted, align: 'left',
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})
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// Stats row
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const statItems = [
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{ label: 'idées', value: String(stats.total) },
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{ label: 'converties', value: String(stats.converted) },
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{ label: 'favorites', value: String(stats.starred) },
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]
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statItems.forEach((s, i) => {
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const x = 4.0 + i * 2.0
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slide.addText(s.value, { x, y: 4.8, w: 1.8, h: 0.55, fontSize: 22, fontFace: 'Georgia', color: T.accent, bold: true, align: 'left' })
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slide.addText(s.label, { x, y: 5.35, w: 1.8, h: 0.3, fontSize: 9, fontFace: 'Arial', color: T.muted, align: 'left', charSpacing: 1 })
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})
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// Vertical label "BRAINSTORM" on left panel
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slide.addText('BRAINSTORM', {
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x: 0.1, y: 2.0, w: 3.2, h: 0.5,
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fontSize: 11, fontFace: 'Arial', color: 'FFFFFF', bold: true,
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charSpacing: 6, align: 'center',
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rotate: 270,
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})
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}
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function buildWaveSlide(pres: PptxGenJSModule, wave: number, ideas: IdeaLike[]) {
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const slide = pres.addSlide()
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addBg(slide)
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addTopBar(slide, WAVE_COLORS[wave] || T.accent)
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// Wave label
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slide.addText(WAVE_LABELS[wave] || `Wave ${wave}`, {
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x: 0.5, y: 0.25, w: 9.0, h: 0.5,
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fontSize: 14, fontFace: 'Arial', color: WAVE_COLORS[wave] || T.accent, bold: true, charSpacing: 2,
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})
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// Count badge
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slide.addShape('roundRect', { x: 9.0, y: 0.28, w: 0.6, h: 0.4, fill: { color: WAVE_COLORS[wave] || T.accent }, rectRadius: 0.1 })
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slide.addText(String(ideas.length), { x: 9.0, y: 0.28, w: 0.6, h: 0.4, fontSize: 11, fontFace: 'Arial', color: 'FFFFFF', bold: true, align: 'center', valign: 'middle' })
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const maxPerSlide = 6
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const shown = ideas.slice(0, maxPerSlide)
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const colW = 4.5
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const rowH = 1.3
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const startY = 1.0
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shown.forEach((idea, i) => {
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const col = i % 2
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const row = Math.floor(i / 2)
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const x = 0.4 + col * (colW + 0.3)
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const y = startY + row * (rowH + 0.15)
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// Card background
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slide.addShape('roundRect', { x, y, w: colW, h: rowH, fill: { color: 'FFFFFF' }, line: { color: 'E8E6E0', width: 0.75 }, rectRadius: 0.08 })
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// Star / converted badge
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if (idea.isStarred || idea.convertedToNoteId) {
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const badge = idea.convertedToNoteId ? '✓' : '⭐'
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const badgeColor = idea.convertedToNoteId ? T.green : T.wave1
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slide.addText(badge, { x: x + colW - 0.45, y: y + 0.08, w: 0.35, h: 0.35, fontSize: 10, fontFace: 'Arial', color: badgeColor, align: 'center' })
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}
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// Title
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slide.addText(truncate(idea.title, 55), {
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x: x + 0.18, y: y + 0.12, w: colW - 0.55, h: 0.4,
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fontSize: 11, fontFace: 'Arial', color: T.primary, bold: true, wrap: true,
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})
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// Description
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slide.addText(truncate(idea.description, 120), {
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x: x + 0.18, y: y + 0.52, w: colW - 0.36, h: 0.65,
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fontSize: 9, fontFace: 'Arial', color: T.muted, wrap: true, valign: 'top',
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})
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})
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if (ideas.length > maxPerSlide) {
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slide.addText(`+ ${ideas.length - maxPerSlide} autres idées`, {
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x: 0.4, y: 5.5, w: 9.2, h: 0.3,
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fontSize: 9, fontFace: 'Arial', color: T.muted, align: 'center', italic: true,
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})
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}
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}
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function buildTopIdeasSlide(pres: PptxGenJSModule, starred: IdeaLike[], converted: IdeaLike[]) {
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const slide = pres.addSlide()
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addBg(slide)
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addTopBar(slide, T.accent)
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slide.addText('Top Idées', {
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x: 0.5, y: 0.25, w: 9.0, h: 0.5,
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fontSize: 14, fontFace: 'Arial', color: T.accent, bold: true, charSpacing: 2,
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})
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const all = [
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...starred.map(i => ({ ...i, badge: '⭐', badgeColor: T.wave1 })),
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...converted.filter(i => !i.isStarred).map(i => ({ ...i, badge: '✓', badgeColor: T.green })),
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].slice(0, 6)
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if (all.length === 0) {
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slide.addText('Aucune idée favorite ou convertie.', {
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x: 0.5, y: 3.0, w: 9.0, h: 0.5,
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fontSize: 12, fontFace: 'Georgia', color: T.muted, align: 'center', italic: true,
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})
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return
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}
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const colW = 4.5
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const rowH = 1.25
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all.forEach((idea, i) => {
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const col = i % 2
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const row = Math.floor(i / 2)
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const x = 0.4 + col * (colW + 0.3)
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const y = 1.1 + row * (rowH + 0.15)
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const waveColor = WAVE_COLORS[idea.waveNumber] || T.muted
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slide.addShape('roundRect', { x, y, w: colW, h: rowH, fill: { color: 'FFFFFF' }, line: { color: waveColor, width: 1.5 }, rectRadius: 0.08 })
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slide.addText(idea.badge, { x: x + 0.1, y: y + 0.1, w: 0.4, h: 0.4, fontSize: 14, fontFace: 'Arial', color: idea.badgeColor, align: 'center' })
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slide.addText(truncate(idea.title, 55), {
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x: x + 0.55, y: y + 0.1, w: colW - 0.7, h: 0.4,
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fontSize: 11, fontFace: 'Arial', color: T.primary, bold: true, wrap: true,
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})
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slide.addText(truncate(idea.description, 110), {
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x: x + 0.18, y: y + 0.55, w: colW - 0.36, h: 0.6,
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fontSize: 9, fontFace: 'Arial', color: T.muted, wrap: true, valign: 'top',
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})
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})
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}
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function buildSummarySlide(pres: PptxGenJSModule, session: SessionLike, stats: { total: number; converted: number; starred: number; dismissed: number }) {
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const slide = pres.addSlide()
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addBg(slide)
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// Dark left panel
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slide.addShape('rect', { x: 0, y: 0, w: '100%', h: '100%', fill: { color: T.primary } })
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slide.addText('BILAN DE SESSION', {
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x: 0.8, y: 0.8, w: 8.4, h: 0.6,
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fontSize: 10, fontFace: 'Arial', color: T.accent, bold: true, charSpacing: 5, align: 'left',
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})
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slide.addText(truncate(session.seedIdea, 70), {
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x: 0.8, y: 1.55, w: 8.4, h: 1.0,
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fontSize: 20, fontFace: 'Georgia', color: 'FFFFFF', align: 'left', wrap: true,
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})
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// Divider
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slide.addShape('rect', { x: 0.8, y: 2.8, w: 8.4, h: 0.02, fill: { color: T.accent } })
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// Stats grid
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const statCols = [
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{ label: 'IDÉES GÉNÉRÉES', value: String(stats.total), color: T.wave2 },
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{ label: 'CONVERTIES EN NOTES', value: String(stats.converted), color: T.green },
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{ label: 'FAVORITES', value: String(stats.starred), color: T.wave1 },
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{ label: 'REJETÉES', value: String(stats.dismissed), color: T.muted },
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]
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statCols.forEach((s, i) => {
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const x = 0.8 + i * 2.3
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slide.addText(s.value, { x, y: 3.2, w: 2.2, h: 0.9, fontSize: 36, fontFace: 'Georgia', color: s.color, bold: true, align: 'left' })
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slide.addText(s.label, { x, y: 4.1, w: 2.2, h: 0.5, fontSize: 8, fontFace: 'Arial', color: T.muted, align: 'left', charSpacing: 1.5, wrap: true })
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})
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slide.addText('Généré par Momento', {
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x: 0.8, y: 5.5, w: 8.4, h: 0.3,
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fontSize: 8, fontFace: 'Arial', color: T.muted, align: 'right', italic: true,
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})
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}
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// ── Main export function ─────────────────────────────────────────────────────
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export async function generateBrainstormPptx(session: SessionLike): Promise<{ buffer: Buffer; filename: string }> {
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const PptxGenJS = await getPptxGenClass()
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const pres = withWatermark(new PptxGenJS())
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pres.layout = 'LAYOUT_WIDE'
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pres.author = 'Momento'
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pres.subject = `Brainstorm: ${session.seedIdea}`
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const activeIdeas = session.ideas.filter(i => i.status !== 'dismissed')
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const dismissedCount = session.ideas.filter(i => i.status === 'dismissed').length
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const converted = activeIdeas.filter(i => i.convertedToNoteId !== null)
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const starred = activeIdeas.filter(i => i.isStarred)
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const stats = {
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total: activeIdeas.length,
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converted: converted.length,
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starred: starred.length,
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dismissed: dismissedCount,
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}
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// Slide 1 — Cover
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buildCoverSlide(pres, session, stats)
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// Slides 2-4 — One per active wave
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for (const wave of [1, 2, 3]) {
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const waveIdeas = activeIdeas.filter(i => i.waveNumber === wave)
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if (waveIdeas.length === 0) continue
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buildWaveSlide(pres, wave, waveIdeas)
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}
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// Slide N — Top ideas (starred + converted)
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if (starred.length > 0 || converted.length > 0) {
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buildTopIdeasSlide(pres, starred, converted)
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}
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// Last slide — Summary
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buildSummarySlide(pres, session, stats)
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const buffer = (await pres.write({ outputType: 'nodebuffer' })) as unknown as Buffer
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const filename = `brainstorm-${slugify(session.seedIdea)}.pptx`
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return { buffer, filename }
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}
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