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| @ -39,7 +39,6 @@ jobs: | ||||
|                       rooftopenergy/powermeter-frontend:${{ steps.extract_tag.outputs.tag }} | ||||
|                   build-args: | | ||||
|                       NEXT_PUBLIC_FASTAPI_URL=${{ secrets.NEXT_PUBLIC_FASTAPI_URL }}         | ||||
|                       NEXT_PUBLIC_GOOGLE_DRIVE_FOLDER_ID=${{ secrets.NEXT_PUBLIC_GOOGLE_DRIVE_FOLDER_ID }}         | ||||
| 
 | ||||
|             - name: SSH and Deploy | ||||
|               uses: appleboy/ssh-action@master | ||||
|  | ||||
| @ -8,10 +8,8 @@ WORKDIR /app | ||||
| ENV NEXT_TELEMETRY_DISABLED=1 | ||||
| 
 | ||||
| # Build-time public env hook | ||||
| ARG NEXT_PUBLIC_FASTAPI_URL\ | ||||
|     NEXT_PUBLIC_GOOGLE_DRIVE_FOLDER_ID | ||||
| ENV NEXT_PUBLIC_FASTAPI_URL=${NEXT_PUBLIC_FASTAPI_URL}\ | ||||
|     NEXT_PUBLIC_GOOGLE_DRIVE_FOLDER_ID=${NEXT_PUBLIC_GOOGLE_DRIVE_FOLDER_ID} | ||||
| ARG NEXT_PUBLIC_FASTAPI_URL | ||||
| ENV NEXT_PUBLIC_FASTAPI_URL=${NEXT_PUBLIC_FASTAPI_URL} | ||||
| 
 | ||||
| # 1) Install deps with caching | ||||
| COPY package.json package-lock.json* ./ | ||||
|  | ||||
| @ -14,7 +14,6 @@ import KpiBottom from '@/components/dashboards/kpibottom'; | ||||
| import { formatAddress } from '@/app/utils/formatAddress'; | ||||
| import { formatCrmTimestamp } from '@/app/utils/datetime'; | ||||
| import LoggingControlCard from '@/components/dashboards/LoggingControl'; | ||||
| import { buildExportUrl, getFilenameFromCD } from "@/utils/export"; | ||||
| 
 | ||||
| const EnergyLineChart = dynamic(() => import('@/components/dashboards/EnergyLineChart'), { ssr: false }); | ||||
| const MonthlyBarChart  = dynamic(() => import('@/components/dashboards/MonthlyBarChart'), { ssr: false }); | ||||
| @ -337,95 +336,6 @@ useEffect(() => { | ||||
|     } | ||||
|   }; | ||||
| 
 | ||||
|   // helpers
 | ||||
| // helpers
 | ||||
| const ymd = (d: Date) => d.toISOString().slice(0, 10); | ||||
| const excelUrl = (site: string, device: string, fn: 'grid' | 'solar', dateYMD: string) => | ||||
|   `${API}/excel-fs/${encodeURIComponent(site)}/${encodeURIComponent(device)}/${fn}/${dateYMD}.xlsx`; | ||||
| 
 | ||||
| // popup state
 | ||||
| const [isDownloadOpen, setIsDownloadOpen] = useState(false); | ||||
| const [meter, setMeter] = useState('01');                         // ADW300 device id
 | ||||
| const [fn, setFn] = useState<'grid' | 'solar'>('grid');           // which function
 | ||||
| const [downloadDate, setDownloadDate] = useState(ymd(new Date())); // YYYY-MM-DD
 | ||||
| const [downloading, setDownloading] = useState(false); | ||||
| 
 | ||||
| // action
 | ||||
| // util: parse filename from Content-Disposition
 | ||||
| function getFilenameFromCD(h: string | null): string | null { | ||||
|   if (!h) return null; | ||||
|   // filename*=UTF-8''name.ext  (RFC 5987)
 | ||||
|   const star = /filename\*\s*=\s*([^']*)''([^;]+)/i.exec(h); | ||||
|   if (star && star[2]) return decodeURIComponent(star[2]); | ||||
| 
 | ||||
|   // filename="name.ext" or filename=name.ext
 | ||||
|   const plain = /filename\s*=\s*("?)([^";]+)\1/i.exec(h); | ||||
|   if (plain && plain[2]) return plain[2]; | ||||
| 
 | ||||
|   return null; | ||||
| } | ||||
| 
 | ||||
| const downloadExcel = async () => { | ||||
|   if (!selectedProject) return; | ||||
|   try { | ||||
|     setDownloading(true); | ||||
| 
 | ||||
|     // Prefer the simple day-based export
 | ||||
|     const url = buildExportUrl({ | ||||
|       baseUrl: process.env.NEXT_PUBLIC_FASTAPI_URL, | ||||
|       site: selectedProject.name, | ||||
|       suffix: fn, | ||||
|       serial: meter?.trim() || undefined, | ||||
|       day: downloadDate, // "YYYY-MM-DD"
 | ||||
|     }); | ||||
| 
 | ||||
| 
 | ||||
|     const resp = await fetch(url, { credentials: "include" }); | ||||
| 
 | ||||
|     if (!resp.ok) { | ||||
|       // server might return JSON error; try to surface it nicely
 | ||||
|       const ctype = resp.headers.get("Content-Type") || ""; | ||||
|       let msg = `HTTP ${resp.status}`; | ||||
|       if (ctype.includes("application/json")) { | ||||
|         const j = await resp.json().catch(() => null); | ||||
|         if (j?.detail) msg = String(j.detail); | ||||
|       } else { | ||||
|         const t = await resp.text().catch(() => ""); | ||||
|         if (t) msg = t; | ||||
|       } | ||||
|       throw new Error(msg); | ||||
|     } | ||||
| 
 | ||||
|     const blob = await resp.blob(); | ||||
| 
 | ||||
|     // 1) use server-provided filename if present
 | ||||
|     const cd = resp.headers.get("Content-Disposition"); | ||||
|     let downloadName = getFilenameFromCD(cd); | ||||
| 
 | ||||
|     // 2) client-side fallback (date-only as requested)
 | ||||
|     if (!downloadName) { | ||||
|       const serialPart = meter?.trim() ? meter.trim() : "ALL"; | ||||
|       downloadName = `${selectedProject.name}_${serialPart}_${fn}_${downloadDate}.xlsx`; | ||||
|     } | ||||
| 
 | ||||
|     const a = document.createElement("a"); | ||||
|     const href = URL.createObjectURL(blob); | ||||
|     a.href = href; | ||||
|     a.download = downloadName; | ||||
|     document.body.appendChild(a); | ||||
|     a.click(); | ||||
|     a.remove(); | ||||
|     URL.revokeObjectURL(href); | ||||
|     setIsDownloadOpen(false); | ||||
|   } catch (e: any) { | ||||
|     alert(`Download failed: ${e?.message ?? e}`); | ||||
|   } finally { | ||||
|     setDownloading(false); | ||||
|   } | ||||
| }; | ||||
| 
 | ||||
| 
 | ||||
| 
 | ||||
|   // ---------- RENDER ----------
 | ||||
|   if (!authChecked) { | ||||
|     return <div>Checking authentication…</div>; | ||||
| @ -552,151 +462,10 @@ const downloadExcel = async () => { | ||||
|               <button onClick={handlePDFExport} className="text-sm lg:text-lg btn-primary"> | ||||
|                 Export Chart Images to PDF | ||||
|               </button> | ||||
| 
 | ||||
|               <button | ||||
|                 onClick={() => setIsDownloadOpen(true)} | ||||
|                 className="text-sm lg:text-lg btn-primary" | ||||
|               > | ||||
|                 Download Excel Log | ||||
|               </button> | ||||
|             </div> | ||||
| 
 | ||||
|           </> | ||||
|         )} | ||||
| 
 | ||||
|         {isDownloadOpen && ( | ||||
|   <div | ||||
|     className="fixed inset-0 z-50 flex items-center justify-center" | ||||
|     aria-modal="true" | ||||
|     role="dialog" | ||||
|     onKeyDown={(e) => e.key === 'Escape' && setIsDownloadOpen(false)} | ||||
|   > | ||||
|     {/* Backdrop */} | ||||
|     <div | ||||
|       className="absolute inset-0 bg-black/50" | ||||
|       onClick={() => setIsDownloadOpen(false)} | ||||
|     /> | ||||
| 
 | ||||
|     {/* Modal */} | ||||
|     <div className="relative w-full max-w-lg mx-4 rounded-2xl bg-white dark:bg-rtgray-800 shadow-2xl"> | ||||
|       <div className="p-5 sm:p-6 border-b border-black/5 dark:border-white/10"> | ||||
|         <h3 className="text-lg font-semibold text-black/90 dark:text-white"> | ||||
|           Download Excel Log | ||||
|         </h3> | ||||
|         <p className="mt-1 text-sm text-black/60 dark:text-white/60"> | ||||
|           Choose device, function, and date to export the .xlsx generated by the logger. | ||||
|         </p> | ||||
|       </div> | ||||
| 
 | ||||
|       <div className="p-5 sm:p-6 space-y-5"> | ||||
|         {/* Site (read-only preview) */} | ||||
|         <div> | ||||
|           <label className="block text-sm opacity-80 mb-1 dark:text-white">Site</label> | ||||
|           <div className="px-3 py-2 rounded-lg bg-black/5 dark:bg-white/5 text-sm truncate dark:text-white"> | ||||
|             {selectedProject?.project_name || selectedProject?.name} | ||||
|           </div> | ||||
|         </div> | ||||
| 
 | ||||
|         {/* Device + Function */} | ||||
|         <div className="grid grid-cols-1 sm:grid-cols-2 gap-4"> | ||||
|           <div> | ||||
|             <label className="block text-sm opacity-80 mb-1 dark:text-white">Meter (Device)</label> | ||||
|             <input | ||||
|               value={meter} | ||||
|               onChange={(e) => setMeter(e.target.value)} | ||||
|               placeholder="01" | ||||
|               className="input input-bordered w-full pl-2 rounded-lg" | ||||
|             /> | ||||
|             <p className="mt-1 text-xs opacity-70 dark:text-white"> | ||||
|               Matches topic: <code>ADW300/<site>/<b>{meter || '01'}</b>/…</code> | ||||
|             </p> | ||||
|           </div> | ||||
| 
 | ||||
|           <div> | ||||
|             <label className="block text-sm opacity-80 mb-1 dark:text-white">Function</label> | ||||
|             <div className="flex rounded-xl overflow-hidden border border-black/10 dark:border-white/10"> | ||||
|               <button | ||||
|                 type="button" | ||||
|                 onClick={() => setFn('grid')} | ||||
|                 className={`flex-1 px-3 py-2 text-sm ${ | ||||
|                   fn === 'grid' | ||||
|                     ? 'bg-rtyellow-200 text-black' | ||||
|                     : 'bg-black/5 dark:bg-white/5 hover:bg-black/10 dark:hover:bg-white/10 dark:text-white' | ||||
|                 }`}
 | ||||
|               > | ||||
|                 Grid | ||||
|               </button> | ||||
|               <button | ||||
|                 type="button" | ||||
|                 onClick={() => setFn('solar')} | ||||
|                 className={`flex-1 px-3 py-2 text-sm ${ | ||||
|                   fn === 'solar' | ||||
|                     ? 'bg-rtyellow-200 text-black' | ||||
|                     : 'bg-black/5 dark:bg-white/5 hover:bg-black/10 dark:hover:bg-white/10 dark:text-white' | ||||
|                 }`}
 | ||||
|               > | ||||
|                 Solar | ||||
|               </button> | ||||
|             </div> | ||||
|           </div> | ||||
|         </div> | ||||
| 
 | ||||
|         {/* Date + quick picks */} | ||||
|         <div> | ||||
|           <label className="block text-sm opacity-80 mb-1 dark:text-white">Date</label> | ||||
|           <div className="flex items-center gap-3"> | ||||
|             <input | ||||
|               type="date" | ||||
|               value={downloadDate} | ||||
|               onChange={(e) => setDownloadDate(e.target.value)} | ||||
|               className="input input-bordered w-48 pl-2 rounded-lg" | ||||
|             /> | ||||
|             <div className="flex gap-2"> | ||||
|               <button | ||||
|                 type="button" | ||||
|                 className="px-3 py-1 rounded-full text-xs border border-black/10 dark:border-white/15 hover:bg-black/5 dark:hover:bg-white/10 dark:text-white" | ||||
|                 onClick={() => setDownloadDate(ymd(new Date()))} | ||||
|               > | ||||
|                 Today | ||||
|               </button> | ||||
|               <button | ||||
|                 type="button" | ||||
|                 className="px-3 py-1 rounded-full text-xs border border-black/10 dark:border-white/15 hover:bg-black/5 dark:hover:bg:white/10 dark:text-white" | ||||
|                 onClick={() => { | ||||
|                   const d = new Date(); | ||||
|                   d.setDate(d.getDate() - 1); | ||||
|                   setDownloadDate(ymd(d)); | ||||
|                 }} | ||||
|               > | ||||
|                 Yesterday | ||||
|               </button> | ||||
|             </div> | ||||
|           </div> | ||||
|         </div> | ||||
|       </div> | ||||
| 
 | ||||
|       {/* Footer */} | ||||
|       <div className="p-5 sm:p-6 flex justify-end gap-3 border-t border-black/5 dark:border-white/10"> | ||||
|         <button | ||||
|           type="button" | ||||
|           className="btn btn-primary bg-red-500 hover:bg-red-600 border-transparent" | ||||
|           onClick={() => setIsDownloadOpen(false)} | ||||
|           disabled={downloading} | ||||
|         > | ||||
|           Cancel | ||||
|         </button> | ||||
|         <button | ||||
|           type="button" | ||||
|           className="btn btn-primary border-transparent" | ||||
|           onClick={downloadExcel} | ||||
|           disabled={downloading || !meter || !downloadDate} | ||||
|         > | ||||
|           {downloading ? 'Preparing…' : 'Download'} | ||||
|         </button> | ||||
|       </div> | ||||
|     </div> | ||||
|   </div> | ||||
| )} | ||||
| 
 | ||||
|       </div> | ||||
|     </DashboardLayout> | ||||
|  | ||||
| @ -87,7 +87,8 @@ function groupTimeSeries( | ||||
|         const local = new Date( | ||||
|           date.toLocaleString('en-US', { timeZone: 'Asia/Kuala_Lumpur' }) | ||||
|         ); | ||||
|         local.setSeconds(0, 0); | ||||
|         const snappedMin = Math.floor(local.getMinutes() / 5) * 5; | ||||
|         local.setMinutes(snappedMin, 0, 0); | ||||
|         key = local.toISOString(); | ||||
|         break; | ||||
|       } | ||||
| @ -334,15 +335,27 @@ const EnergyLineChart = ({ siteId }: EnergyLineChartProps) => { | ||||
| 
 | ||||
|   const forecastMap = Object.fromEntries(groupedForecast.map(d => [d.time, d.value])); | ||||
| 
 | ||||
|     const dataTimesDay = [ | ||||
|     ...groupedConsumption.map(d => Date.parse(d.time)), | ||||
|     ...groupedGeneration.map(d => Date.parse(d.time)), | ||||
|     ...groupedForecast.map(d => Date.parse(d.time)), | ||||
|   ].filter(Number.isFinite).sort((a, b) => a - b); | ||||
|   const dataTimesDay = [ | ||||
|   ...groupedConsumption.map(d => Date.parse(d.time)), | ||||
|   ...groupedGeneration.map(d => Date.parse(d.time)), | ||||
|   ...groupedForecast.map(d => Date.parse(d.time)), | ||||
| ].filter(Number.isFinite).sort((a, b) => a - b); | ||||
| 
 | ||||
|   const dayGrid = viewMode === 'day' | ||||
|   ? buildTimeGrid(startOfDay(selectedDate), endOfDay(selectedDate), 1) | ||||
|   : []; | ||||
|   // ---- CHANGED: use a 5-minute grid for day view
 | ||||
|   const dayGrid = | ||||
|   viewMode === 'day' | ||||
|     ? (() => { | ||||
|         const dayStart = startOfDay(selectedDate).getTime(); | ||||
|         const dayEnd   = endOfDay(selectedDate).getTime(); | ||||
|         if (dataTimesDay.length) { | ||||
|           const minT = Math.max(dayStart, dataTimesDay[0]); | ||||
|           const maxT = Math.min(dayEnd,   dataTimesDay[dataTimesDay.length - 1]); | ||||
|           return buildTimeGrid(new Date(minT), new Date(maxT), 5) | ||||
|         } | ||||
|         // no data → keep full day
 | ||||
|         return buildTimeGrid(new Date(dayStart), new Date(dayEnd), 5); | ||||
|       })() | ||||
|     : []; | ||||
|    | ||||
|        | ||||
|   const unionTimes = Array.from(new Set([ | ||||
| @ -432,15 +445,6 @@ const selectableIndices = | ||||
| 
 | ||||
|   const filteredLabels = allTimes.slice(startIndex, endIndex + 1); | ||||
| 
 | ||||
|   const minutesOfDayForLabels = | ||||
|   viewMode === 'day' | ||||
|     ? filteredLabels.map((iso) => { | ||||
|         const d = new Date(iso); | ||||
|         const kl = new Date(d.toLocaleString('en-US', { timeZone: 'Asia/Kuala_Lumpur' })); | ||||
|         return kl.getHours() * 60 + kl.getMinutes(); | ||||
|       }) | ||||
|     : []; | ||||
| 
 | ||||
|   // ---- CHANGED: use nulls for missing buckets (not zeros)
 | ||||
|   const filteredConsumption = filteredLabels.map(t => (t in consumptionMap ? consumptionMap[t] : null)); | ||||
|   const filteredGeneration  = filteredLabels.map(t => (t in generationMap  ? generationMap[t]  : null)); | ||||
| @ -482,9 +486,9 @@ const selectableIndices = | ||||
|         borderColor: consumptionColor, | ||||
|         backgroundColor: (ctx: any) => areaGradient(ctx, consumptionColor), | ||||
|         fill: true, | ||||
|         tension: 0.2, | ||||
|         tension: 0.4, | ||||
|         spanGaps: true, | ||||
|         pointRadius: 0.7,        // default is 3, make smaller
 | ||||
|         pointRadius: 1,        // default is 3, make smaller
 | ||||
|         pointHoverRadius: 4,   // a bit bigger on hover
 | ||||
|         borderWidth: 2, | ||||
|       }, | ||||
| @ -494,9 +498,9 @@ const selectableIndices = | ||||
|         borderColor: generationColor, | ||||
|         backgroundColor: (ctx: any) => areaGradient(ctx, generationColor), | ||||
|         fill: true, | ||||
|         tension: 0.2, | ||||
|         tension: 0.4, | ||||
|         spanGaps: true, | ||||
|         pointRadius: 0.7,        // default is 3, make smaller
 | ||||
|         pointRadius: 1,        // default is 3, make smaller
 | ||||
|         pointHoverRadius: 4,   // a bit bigger on hover
 | ||||
|         borderWidth: 2, | ||||
|       }, | ||||
| @ -509,7 +513,7 @@ const selectableIndices = | ||||
|         borderDash: [5, 5], | ||||
|         fill: true, | ||||
|         spanGaps: true, | ||||
|         pointRadius: 1,        // default is 3, make smaller
 | ||||
|         pointRadius: 2,        // default is 3, make smaller
 | ||||
|         pointHoverRadius: 4,   // a bit bigger on hover
 | ||||
|         borderWidth: 2, | ||||
|       } | ||||
| @ -519,13 +523,7 @@ const selectableIndices = | ||||
|   const options = { | ||||
|     responsive: true, | ||||
|     maintainAspectRatio: false, | ||||
|     normalized: true,                // faster lookup
 | ||||
|     plugins: { | ||||
|       decimation: { | ||||
|       enabled: true, | ||||
|       algorithm: 'lttb',           // best visual fidelity
 | ||||
|       samples: 400,                // cap points actually drawn (~400 is a good default)
 | ||||
|     }, | ||||
|       legend: { | ||||
|         position: 'top', | ||||
|         labels: { | ||||
| @ -560,7 +558,6 @@ const selectableIndices = | ||||
|     }, | ||||
|     scales: { | ||||
|       x: { | ||||
|         type: 'category' as const, | ||||
|         title: { | ||||
|           display: true, | ||||
|           color: axisColor, | ||||
| @ -577,35 +574,8 @@ const selectableIndices = | ||||
|           font: { weight: 'normal' as const }, | ||||
|         }, | ||||
|         ticks: { | ||||
|     color: axisColor, | ||||
|     autoSkip: false,          // let our callback decide
 | ||||
|     maxRotation: 0, | ||||
|     callback( | ||||
|         this: any, | ||||
|         tickValue: string | number, | ||||
|         index: number, | ||||
|         ticks: any[] | ||||
|       ) { | ||||
|         if (viewMode !== 'day') return this.getLabelForValue(tickValue as number); | ||||
| 
 | ||||
|         const scale = this.chart.scales.x; | ||||
|         const min = Math.max(0, Math.floor(scale.min ?? 0)); | ||||
|         const max = Math.min(ticks.length - 1, Math.ceil(scale.max ?? ticks.length - 1)); | ||||
|         const visibleCount = Math.max(1, max - min + 1); | ||||
| 
 | ||||
|         let step = 30;                 // ≥ 6h
 | ||||
|         if (visibleCount < 80) step = 10;// 2–6h
 | ||||
| 
 | ||||
|         // On a category scale, tickValue is usually the index (number).
 | ||||
|         const idx = typeof tickValue === 'number' ? tickValue : index; | ||||
|         const m = minutesOfDayForLabels[idx]; | ||||
| 
 | ||||
|         if (m != null && m % step === 0) { | ||||
|           return this.getLabelForValue(idx); | ||||
|         } | ||||
|         return ''; // hide crowded labels
 | ||||
|       }, | ||||
|   }, | ||||
|           color: axisColor, | ||||
|         }, | ||||
|       }, | ||||
|       y: { | ||||
|         beginAtZero: true, | ||||
| @ -704,3 +674,11 @@ const selectableIndices = | ||||
| }; | ||||
| 
 | ||||
| export default EnergyLineChart; | ||||
| 
 | ||||
| 
 | ||||
| 
 | ||||
| 
 | ||||
| 
 | ||||
| 
 | ||||
| 
 | ||||
| 
 | ||||
|  | ||||
| @ -1,70 +0,0 @@ | ||||
| // utils/export.ts
 | ||||
| export type ExportParams = { | ||||
|   baseUrl?: string;               // e.g. process.env.NEXT_PUBLIC_API_URL
 | ||||
|   site: string;                   // PROJ-0028
 | ||||
|   suffix?: "grid" | "solar";      // default "grid"
 | ||||
|   serial?: string | null;         // device id like "01"
 | ||||
|   day?: string;                   // "YYYY-MM-DD" (preferred)
 | ||||
|   start?: string;                 // ISO string (if not using day)
 | ||||
|   end?: string;                   // ISO string (if not using day)
 | ||||
|   columns?: string[];             // optional list of columns
 | ||||
|   localTz?: string;               // default "Asia/Kuala_Lumpur"
 | ||||
| }; | ||||
| 
 | ||||
| export function buildExportUrl(p: ExportParams): string { | ||||
|   const { | ||||
|     baseUrl = "", | ||||
|     site, | ||||
|     suffix = "grid", | ||||
|     serial, | ||||
|     day, | ||||
|     start, | ||||
|     end, | ||||
|     columns, | ||||
|     localTz = "Asia/Kuala_Lumpur", | ||||
|   } = p; | ||||
| 
 | ||||
|   const params = new URLSearchParams(); | ||||
|   params.set("site", site); | ||||
|   params.set("suffix", suffix); | ||||
|   params.set("local_tz", localTz); | ||||
| 
 | ||||
|   const s = serial?.trim(); | ||||
|   if (s) params.set("serial", s); | ||||
| 
 | ||||
|   if (day) { | ||||
|     params.set("day", day); // simple whole-day export
 | ||||
|   } else { | ||||
|     if (!start || !end) throw new Error("Provide either day=YYYY-MM-DD or both start and end."); | ||||
|     params.set("start", start); // URLSearchParams will encode '+' correctly
 | ||||
|     params.set("end", end); | ||||
|   } | ||||
| 
 | ||||
|   if (columns?.length) { | ||||
|     // backend expects ?columns=... repeated; append each
 | ||||
|     columns.forEach(c => params.append("columns", c)); | ||||
|   } | ||||
| 
 | ||||
|   // ensure there's a single slash join for /export/xlsx
 | ||||
|   const root = baseUrl.replace(/\/+$/, ""); | ||||
|   return `${root}/export/xlsx?${params.toString()}`; | ||||
| } | ||||
| 
 | ||||
| /** Parse filename from Content-Disposition (handles RFC5987 filename*) */ | ||||
| export function getFilenameFromCD(cd: string | null): string | null { | ||||
|   if (!cd) return null; | ||||
| 
 | ||||
|   // filename*=UTF-8''encoded-name.xlsx
 | ||||
|   const star = /filename\*\s*=\s*([^']*)''([^;]+)/i.exec(cd); | ||||
|   if (star && star[2]) { | ||||
|     try { | ||||
|       return decodeURIComponent(star[2]); | ||||
|     } catch { | ||||
|       return star[2]; | ||||
|     } | ||||
|   } | ||||
| 
 | ||||
|   // filename="name.xlsx" OR filename=name.xlsx
 | ||||
|   const plain = /filename\s*=\s*("?)([^";]+)\1/i.exec(cd); | ||||
|   return plain ? plain[2] : null; | ||||
| } | ||||
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