F4: rebuild Act PDF from locked and sealed snapshot
This commit is contained in:
@@ -1,88 +1,212 @@
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import { createHash } from 'node:crypto';
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function asRecord(value: unknown): Record<string, unknown> { return value && typeof value === 'object' && !Array.isArray(value) ? value as Record<string, unknown> : {}; }
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function asArray(value: unknown): Array<Record<string, unknown>> { return Array.isArray(value) ? value.map(asRecord) : []; }
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function text(value: unknown, fallback='-'): string { const out=String(value ?? '').trim(); return out || fallback; }
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function date(value: unknown): string { const d=new Date(String(value ?? '')); return Number.isFinite(d.getTime()) ? d.toLocaleDateString('es-AR') : '-'; }
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function clean(value: string): string { return value.normalize('NFKD').replace(/[\u0300-\u036f]/g,'').replace(/[–—]/g,'-').replace(/[“”]/g,'"').replace(/[‘’]/g,"'").replace(/[^\x20-\xFF]/g,'?'); }
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function escapePdf(value: string): string { return clean(value).replaceAll('\\','\\\\').replaceAll('(','\\(').replaceAll(')','\\)'); }
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function wrap(value: string, max=92): string[] { const words=clean(value).split(/\s+/).filter(Boolean); const out:string[]=[]; let line=''; for(const word of words){ const next=line?`${line} ${word}`:word; if(next.length>max&&line){out.push(line);line=word;}else line=next;} if(line)out.push(line); return out.length?out:['-']; }
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function asRecord(value: unknown): Record<string, unknown> {
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return value && typeof value === 'object' && !Array.isArray(value)
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? value as Record<string, unknown>
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: {};
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}
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function asArray(value: unknown): Array<Record<string, unknown>> {
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return Array.isArray(value) ? value.map(asRecord) : [];
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}
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function text(value: unknown, fallback = '-'): string {
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const out = String(value ?? '').trim();
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return out || fallback;
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}
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function date(value: unknown): string {
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const parsed = new Date(String(value ?? ''));
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return Number.isFinite(parsed.getTime()) ? parsed.toLocaleDateString('es-AR') : '-';
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}
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function clean(value: string): string {
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return value
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.normalize('NFKD')
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.replace(/[\u0300-\u036f]/g, '')
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.replace(/[–—]/g, '-')
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.replace(/[“”]/g, '"')
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.replace(/[‘’]/g, "'")
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.replace(/[^\x20-\xFF]/g, '?');
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}
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function escapePdf(value: string): string {
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return clean(value).replaceAll('\\', '\\\\').replaceAll('(', '\\(').replaceAll(')', '\\)');
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}
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function wrap(value: string, max = 92): string[] {
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const words = clean(value).split(/\s+/).filter(Boolean);
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const out: string[] = [];
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let line = '';
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for (const word of words) {
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const next = line ? `${line} ${word}` : word;
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if (next.length > max && line) {
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out.push(line);
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line = word;
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} else {
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line = next;
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}
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}
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if (line) out.push(line);
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return out.length ? out : ['-'];
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}
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function lockedSnapshot(snapshot: Record<string, unknown>): {
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locked: Record<string, unknown>;
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signatures: Array<Record<string, unknown>>;
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finalSha256: unknown;
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} {
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const sealed = asRecord(snapshot);
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const locked = asRecord(sealed.lockedSnapshot ?? sealed.preparedSnapshot);
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return {
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locked,
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signatures: asArray(sealed.signatures),
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finalSha256: sealed.finalSha256 ?? sealed.lockedSha256 ?? sealed.preparedSha256,
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};
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}
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function urgencyLabel(value: unknown): string {
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return text(value, '') === 'URGENT' ? 'Urgente' : 'No urgente';
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}
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function dayTypeLabel(value: unknown): string {
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return text(value, '') === 'CALENDAR' ? 'dias corridos' : 'dias habiles';
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}
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function lines(snapshot: Record<string, unknown>): string[] {
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const prepared=asRecord(asRecord(snapshot).preparedSnapshot);
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const act=asRecord(prepared.act);
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const visit=asRecord(act.visit);
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const responsible=asRecord(prepared.responsible);
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const team=asArray(prepared.team);
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const assets=asArray(prepared.assets);
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const findings=asArray(prepared.findings);
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const signatures=asArray(snapshot.signatures);
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const companySignature=signatures.find(item=>text(item.signerType,'')==='COMPANY_RESPONSIBLE');
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const companies=[...new Set(assets.map(x=>text(asRecord(x.operatorCompany).name,'')).filter(Boolean))];
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const areas=[...new Set(assets.map(x=>text(asRecord(x.operationalArea).name,'')).filter(Boolean))];
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const inspectors=team.map(x=>`${text(x.firstName,'')} ${text(x.lastName,'')}`.trim()).filter(Boolean);
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const out:string[]=[
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const source = lockedSnapshot(snapshot);
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const locked = source.locked;
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const act = asRecord(locked.act);
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const inspection = asRecord(act.inspection ?? asRecord(act).visit);
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const responsible = asRecord(locked.responsible);
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const inventories = asArray(locked.inventories ?? locked.assets);
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const findings = asArray(locked.findings);
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const signatures = source.signatures;
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const companySignature = signatures.find((item) => text(item.signerType, '') === 'COMPANY_RESPONSIBLE');
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const inspectorSignatures = signatures.filter((item) => text(item.signerType, '') === 'INSPECTOR');
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const deadlineText = act.deadlineAt
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? `${date(act.deadlineAt)} (${text(act.deadlineDays)} ${dayTypeLabel(act.deadlineDayType)})`
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: act.deadlineBasis === 'GEDO_DATE'
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? `${text(act.deadlineDays)} ${dayTypeLabel(act.deadlineDayType)} desde fecha GEDO`
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: '-';
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const out: string[] = [
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'ACTA DE INSPECCION',
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'Documento automatico - diseno institucional pendiente de definicion',
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'',
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`Acta: ${text(act.code)}`,
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`Inspeccion: ${text(visit.code)}`,
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`Inspeccion: ${text(inspection.code)}`,
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`Fecha: ${date(act.occurredAt)}`,
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`Empresa: ${companies.join(' / ') || 'Segun alcance del acta'}`,
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`Area: ${areas.join(' / ') || 'Segun alcance del acta'}`,
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`Inspector/es: ${inspectors.join(' / ') || '-'}`,
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`Urgencia: ${urgencyLabel(act.urgency)}`,
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`Plazo: ${deadlineText}`,
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`Responsable empresa: ${text(responsible.fullName)}`,
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`Cargo: ${text(responsible.position)}`,
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'',
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'OBJETIVO', ...wrap(text(visit.objective)), '',
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'RESUMEN', ...wrap(text(act.summary)), '',
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'OBSERVACIONES', ...wrap(text(act.observations)), '',
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'ELEMENTOS INSPECCIONADOS',
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'RESUMEN',
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...wrap(text(act.summary)),
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'',
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'OBSERVACIONES',
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...wrap(text(act.observations)),
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'',
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'INVENTARIO INSPECCIONADO',
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];
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if(!assets.length) out.push('-');
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for(const item of assets) out.push(...wrap(`${text(item.code)} | ${text(item.name)}${text(item.commonName,'') ? ` | ${text(item.commonName,'')}` : ''} | ${text(item.typeName)}`));
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out.push('', 'HALLAZGOS');
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if(!findings.length) out.push('Sin hallazgos registrados.');
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for(const item of findings){ out.push(...wrap(`${text(item.code)} | ${text(item.title)} | Vencimiento: ${date(item.correctionDueOn)}`)); out.push(...wrap(text(item.description))); }
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out.push('', 'CONSTANCIA DE LA EMPRESA');
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if(!companySignature) out.push('Firma o constancia pendiente.');
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else if(text(companySignature.status,'')==='SIGNED'){
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const manifestation=text(companySignature.companyManifestation,'CONFORMITY');
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out.push(manifestation==='DISSENT'?'Firma en disidencia':'Firma en conformidad');
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if(manifestation==='DISSENT') out.push(...wrap(text(companySignature.companyStatement)));
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} else {
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out.push(...wrap(`${text(companySignature.status)}: ${text(companySignature.reason)}`));
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if (!inventories.length) out.push('-');
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for (const item of inventories) {
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out.push(...wrap(`${text(item.code)} | ${text(item.name)} | ${text(item.typeName ?? item.typeCode)}`));
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}
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out.push('', 'INTEGRIDAD', `Hash de cierre: ${text(asRecord(snapshot).finalSha256 ?? asRecord(snapshot).preparedSha256)}`);
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out.push('', 'HALLAZGOS');
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if (!findings.length) out.push('Sin hallazgos registrados.');
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for (const item of findings) {
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const recurrence = item.isRecurrence
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? ` | REINCIDENCIA${item.recurrenceOfFindingId ? ` de ${text(item.recurrenceOfFindingCode ?? item.recurrenceOfFindingId)}` : ''}`
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: '';
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out.push(...wrap(`${text(item.code)} | ${text(item.title)}${recurrence}`));
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out.push(...wrap(`Descripcion: ${text(item.description)}`));
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if (item.legalBasis) out.push(...wrap(`Base legal: ${text(item.legalBasis)}`));
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}
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out.push('', 'FIRMAS Y CONSTANCIAS');
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if (!inspectorSignatures.length) out.push('Firma de inspector: pendiente.');
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for (const signature of inspectorSignatures) {
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out.push(...wrap(`Inspector: ${text(signature.signerName)} | ${text(signature.status)} | ${date(signature.signedAt ?? signature.createdAt)}`));
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}
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if (!companySignature) {
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out.push('Manifestacion de empresa: pendiente.');
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} else if (text(companySignature.status, '') === 'SIGNED') {
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const manifestation = text(companySignature.companyManifestation, 'CONFORMITY');
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out.push(manifestation === 'DISSENT' ? 'Empresa: firma en disidencia' : 'Empresa: firma en conformidad');
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if (manifestation === 'DISSENT') out.push(...wrap(text(companySignature.companyStatement)));
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} else {
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out.push(...wrap(`Empresa: ${text(companySignature.status)} - ${text(companySignature.reason)}`));
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}
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out.push(
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'',
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'INTEGRIDAD',
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`Hash del Acta sellada: ${text(source.finalSha256)}`,
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`Hash del contenido bloqueado: ${text(snapshot.lockedSha256 ?? snapshot.preparedSha256)}`,
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);
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return out;
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}
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function objectBuffer(id: number, body: Buffer|string): Buffer { const data=Buffer.isBuffer(body)?body:Buffer.from(body,'latin1'); return Buffer.concat([Buffer.from(`${id} 0 obj\n`,'ascii'),data,Buffer.from('\nendobj\n','ascii')]); }
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function objectBuffer(id: number, body: Buffer | string): Buffer {
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const data = Buffer.isBuffer(body) ? body : Buffer.from(body, 'latin1');
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return Buffer.concat([
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Buffer.from(`${id} 0 obj\n`, 'ascii'),
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data,
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Buffer.from('\nendobj\n', 'ascii'),
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]);
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}
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export function buildInspectionActPdf(snapshot: Record<string, unknown>): { buffer: Buffer; sha256: string } {
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const all=lines(snapshot);
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const chunks:Array<string[]>=[];
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for(let i=0;i<all.length;i+=56) chunks.push(all.slice(i,i+56));
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if(!chunks.length) chunks.push(['ACTA DE INSPECCION']);
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const pageCount=chunks.length;
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const pageIds=Array.from({length:pageCount},(_,i)=>4+i*2);
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const contentIds=Array.from({length:pageCount},(_,i)=>5+i*2);
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const objects:Buffer[]=[];
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objects.push(objectBuffer(1,'<< /Type /Catalog /Pages 2 0 R >>'));
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objects.push(objectBuffer(2,`<< /Type /Pages /Count ${pageCount} /Kids [${pageIds.map(id=>`${id} 0 R`).join(' ')}] >>`));
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objects.push(objectBuffer(3,'<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>'));
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chunks.forEach((chunk,index)=>{
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const content=chunk.map((line,i)=>`${i===0?'':'T* '}(${escapePdf(line)}) Tj`).join('\n');
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const stream=Buffer.from(`BT\n/F1 9 Tf\n40 800 Td\n12 TL\n${content}\nET`,'latin1');
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objects.push(objectBuffer(pageIds[index]!,`<< /Type /Page /Parent 2 0 R /MediaBox [0 0 595 842] /Resources << /Font << /F1 3 0 R >> >> /Contents ${contentIds[index]} 0 R >>`));
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objects.push(objectBuffer(contentIds[index]!,Buffer.concat([Buffer.from(`<< /Length ${stream.length} >>\nstream\n`,'ascii'),stream,Buffer.from('\nendstream','ascii')])));
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const all = lines(snapshot);
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const chunks: Array<string[]> = [];
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for (let index = 0; index < all.length; index += 56) chunks.push(all.slice(index, index + 56));
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if (!chunks.length) chunks.push(['ACTA DE INSPECCION']);
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const pageCount = chunks.length;
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const pageIds = Array.from({ length: pageCount }, (_, index) => 4 + index * 2);
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const contentIds = Array.from({ length: pageCount }, (_, index) => 5 + index * 2);
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const objects: Buffer[] = [];
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objects.push(objectBuffer(1, '<< /Type /Catalog /Pages 2 0 R >>'));
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objects.push(objectBuffer(2, `<< /Type /Pages /Count ${pageCount} /Kids [${pageIds.map((id) => `${id} 0 R`).join(' ')}] >>`));
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objects.push(objectBuffer(3, '<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica >>'));
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chunks.forEach((chunk, index) => {
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const content = chunk
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.map((line, lineIndex) => `${lineIndex === 0 ? '' : 'T* '}(${escapePdf(line)}) Tj`)
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.join('\n');
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const stream = Buffer.from(`BT\n/F1 9 Tf\n40 800 Td\n12 TL\n${content}\nET`, 'latin1');
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objects.push(objectBuffer(
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pageIds[index]!,
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`<< /Type /Page /Parent 2 0 R /MediaBox [0 0 595 842] /Resources << /Font << /F1 3 0 R >> >> /Contents ${contentIds[index]} 0 R >>`,
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));
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objects.push(objectBuffer(
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contentIds[index]!,
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Buffer.concat([
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Buffer.from(`<< /Length ${stream.length} >>\nstream\n`, 'ascii'),
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stream,
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Buffer.from('\nendstream', 'ascii'),
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]),
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));
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});
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const header=Buffer.from('%PDF-1.4\n%\xE2\xE3\xCF\xD3\n','binary');
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const offsets:number[]=[0]; let pos=header.length;
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for(const obj of objects){ offsets.push(pos); pos+=obj.length; }
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const xrefOffset=pos;
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const xref=[`xref\n0 ${objects.length+1}\n`,`0000000000 65535 f \n`,...objects.map((_,i)=>`${String(offsets[i+1]).padStart(10,'0')} 00000 n \n`)].join('');
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const trailer=`trailer\n<< /Size ${objects.length+1} /Root 1 0 R >>\nstartxref\n${xrefOffset}\n%%EOF\n`;
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const buffer=Buffer.concat([header,...objects,Buffer.from(xref+trailer,'ascii')]);
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return { buffer, sha256:createHash('sha256').update(buffer).digest('hex') };
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const header = Buffer.from('%PDF-1.4\n%\xE2\xE3\xCF\xD3\n', 'binary');
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const offsets: number[] = [0];
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let position = header.length;
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for (const object of objects) {
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offsets.push(position);
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position += object.length;
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}
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const xrefOffset = position;
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const xref = [
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`xref\n0 ${objects.length + 1}\n`,
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'0000000000 65535 f \n',
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...objects.map((_, index) => `${String(offsets[index + 1]).padStart(10, '0')} 00000 n \n`),
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].join('');
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const trailer = `trailer\n<< /Size ${objects.length + 1} /Root 1 0 R >>\nstartxref\n${xrefOffset}\n%%EOF\n`;
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const buffer = Buffer.concat([header, ...objects, Buffer.from(xref + trailer, 'ascii')]);
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return { buffer, sha256: createHash('sha256').update(buffer).digest('hex') };
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}
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