F4: generate Act PDF only from SEALED Acts
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@@ -8,20 +8,112 @@ import { buildInspectionActPdf } from './inspection-act-pdf-builder';
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@Injectable()
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export class InspectionActPdfService {
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private readonly root:string;
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constructor(private readonly dataSource:DataSource, config:ConfigService){ const configured=config.get<string>('INSPECTION_ACT_PDF_ROOT')??'/app/storage/asset-media/inspection-acts-pdf'; if(!isAbsolute(configured))throw new Error('INSPECTION_ACT_PDF_ROOT must be an absolute path'); this.root=resolve(configured); if(this.root===parse(this.root).root)throw new Error('INSPECTION_ACT_PDF_ROOT cannot be the filesystem root'); }
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private readonly root: string;
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async ensure(actId:string):Promise<void>{
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const [row]=await this.dataSource.query(`SELECT a.id,a.code,a.closure_sha256 AS "closureSha256",c.final_snapshot AS "finalSnapshot",p.status,p.stored_name AS "storedName" FROM inspection_acts a JOIN inspection_act_closures c ON c.act_id=a.id LEFT JOIN inspection_act_pdf_artifacts p ON p.act_id=a.id WHERE a.id=$1 AND a.status='CLOSED'`,[actId]) as Array<{id:string;code:string;closureSha256:string;finalSnapshot:Record<string,unknown>;status:string|null;storedName:string|null}>;
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if(!row)throw new NotFoundException({code:'INSPECTION_ACT_NOT_CLOSED',message:'El acta cerrada no está disponible'});
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if(row.status==='READY'&&row.storedName){ try{ await this.content(actId); return; }catch{} }
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await this.dataSource.query(`INSERT INTO inspection_act_pdf_artifacts (act_id,status) VALUES ($1,'PENDING') ON CONFLICT (act_id) DO UPDATE SET status='PENDING',error=NULL,updated_at=CURRENT_TIMESTAMP`,[actId]);
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try{
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const snapshot={...row.finalSnapshot,finalSha256:row.closureSha256}; const built=buildInspectionActPdf(snapshot); await mkdir(this.root,{recursive:true,mode:0o700}); const storedName=`${actId}.pdf`; const originalName=`${row.code}.pdf`; const filePath=resolve(this.root,storedName); await writeFile(filePath,built.buffer,{mode:0o600});
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await this.dataSource.query(`UPDATE inspection_act_pdf_artifacts SET status='READY',original_name=$2,stored_name=$3,mime_type='application/pdf',size_bytes=$4,sha256=$5,generated_at=CURRENT_TIMESTAMP,error=NULL,updated_at=CURRENT_TIMESTAMP WHERE act_id=$1`,[actId,originalName,storedName,built.buffer.length,built.sha256]);
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}catch(error){ const message=error instanceof Error?error.message.slice(0,500):'Error desconocido'; await this.dataSource.query(`UPDATE inspection_act_pdf_artifacts SET status='FAILED',error=$2,updated_at=CURRENT_TIMESTAMP WHERE act_id=$1`,[actId,message]).catch(()=>undefined); }
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constructor(private readonly dataSource: DataSource, config: ConfigService) {
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const configured = config.get<string>('INSPECTION_ACT_PDF_ROOT')
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?? '/app/storage/asset-media/inspection-acts-pdf';
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if (!isAbsolute(configured)) throw new Error('INSPECTION_ACT_PDF_ROOT must be an absolute path');
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this.root = resolve(configured);
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if (this.root === parse(this.root).root) throw new Error('INSPECTION_ACT_PDF_ROOT cannot be the filesystem root');
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}
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async content(actId:string):Promise<{buffer:Buffer;originalName:string;mimeType:string}>{ const [row]=await this.dataSource.query(`SELECT original_name AS "originalName",stored_name AS "storedName",mime_type AS "mimeType",size_bytes::integer AS "sizeBytes",sha256 FROM inspection_act_pdf_artifacts WHERE act_id=$1 AND status='READY'`,[actId]) as Array<{originalName:string;storedName:string;mimeType:string;sizeBytes:number;sha256:string}>; if(!row)throw new NotFoundException({code:'INSPECTION_ACT_PDF_NOT_READY',message:'El PDF del acta todavía no está disponible'}); const filePath=resolve(this.root,row.storedName); if(!filePath.startsWith(`${this.root}/`))throw this.storageError(); const st=await stat(filePath).catch(()=>null); if(!st?.isFile()||st.size!==row.sizeBytes)throw this.storageError(); const buffer=await readFile(filePath); if(createHash('sha256').update(buffer).digest('hex')!==row.sha256)throw this.storageError(); return {buffer,originalName:row.originalName,mimeType:row.mimeType}; }
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private storageError(){return new InternalServerErrorException({code:'INSPECTION_ACT_PDF_STORAGE_ERROR',message:'El PDF del acta no está disponible o no supera la validación de integridad'});}
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async ensure(actId: string): Promise<void> {
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const [row] = await this.dataSource.query(`
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SELECT
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act.id,
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act.code,
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act.closure_sha256 AS "closureSha256",
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closure.final_snapshot AS "finalSnapshot",
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artifact.status,
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artifact.stored_name AS "storedName"
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FROM inspection_acts act
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JOIN inspection_act_closures closure ON closure.act_id=act.id
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LEFT JOIN inspection_act_pdf_artifacts artifact ON artifact.act_id=act.id
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WHERE act.id=$1 AND act.status='SEALED'
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`, [actId]) as Array<{
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id: string;
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code: string;
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closureSha256: string;
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finalSnapshot: Record<string, unknown>;
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status: string | null;
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storedName: string | null;
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}>;
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if (!row) {
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throw new NotFoundException({
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code: 'INSPECTION_ACT_NOT_SEALED',
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message: 'El PDF sólo puede generarse desde un Acta SELLADA',
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});
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}
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if (row.status === 'READY' && row.storedName) {
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try {
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await this.content(actId);
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return;
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} catch {}
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}
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await this.dataSource.query(`
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INSERT INTO inspection_act_pdf_artifacts(act_id,status)
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VALUES($1,'PENDING')
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ON CONFLICT (act_id) DO UPDATE SET
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status='PENDING',error=NULL,updated_at=CURRENT_TIMESTAMP
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`, [actId]);
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try {
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const snapshot = { ...row.finalSnapshot, finalSha256: row.closureSha256 };
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const built = buildInspectionActPdf(snapshot);
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await mkdir(this.root, { recursive: true, mode: 0o700 });
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const storedName = `${actId}.pdf`;
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const originalName = `${row.code}.pdf`;
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const filePath = resolve(this.root, storedName);
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await writeFile(filePath, built.buffer, { mode: 0o600 });
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await this.dataSource.query(`
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UPDATE inspection_act_pdf_artifacts
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SET status='READY',original_name=$2,stored_name=$3,mime_type='application/pdf',
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size_bytes=$4,sha256=$5,generated_at=CURRENT_TIMESTAMP,error=NULL,
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updated_at=CURRENT_TIMESTAMP
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WHERE act_id=$1
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`, [actId, originalName, storedName, built.buffer.length, built.sha256]);
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} catch (error) {
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const message = error instanceof Error ? error.message.slice(0, 500) : 'Error desconocido';
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await this.dataSource.query(`
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UPDATE inspection_act_pdf_artifacts
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SET status='FAILED',error=$2,updated_at=CURRENT_TIMESTAMP
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WHERE act_id=$1
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`, [actId, message]).catch(() => undefined);
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}
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}
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async content(actId: string): Promise<{ buffer: Buffer; originalName: string; mimeType: string }> {
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const [row] = await this.dataSource.query(`
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SELECT original_name AS "originalName",stored_name AS "storedName",
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mime_type AS "mimeType",size_bytes::integer AS "sizeBytes",sha256
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FROM inspection_act_pdf_artifacts
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WHERE act_id=$1 AND status='READY'
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`, [actId]) as Array<{
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originalName: string;
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storedName: string;
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mimeType: string;
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sizeBytes: number;
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sha256: string;
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}>;
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if (!row) {
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throw new NotFoundException({
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code: 'INSPECTION_ACT_PDF_NOT_READY',
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message: 'El PDF del Acta todavía no está disponible',
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});
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}
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const filePath = resolve(this.root, row.storedName);
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if (!filePath.startsWith(`${this.root}/`)) throw this.storageError();
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const fileStat = await stat(filePath).catch(() => null);
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if (!fileStat?.isFile() || fileStat.size !== row.sizeBytes) throw this.storageError();
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const buffer = await readFile(filePath);
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if (createHash('sha256').update(buffer).digest('hex') !== row.sha256) throw this.storageError();
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return { buffer, originalName: row.originalName, mimeType: row.mimeType };
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}
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private storageError(): InternalServerErrorException {
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return new InternalServerErrorException({
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code: 'INSPECTION_ACT_PDF_STORAGE_ERROR',
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message: 'El PDF del Acta no está disponible o no supera la validación de integridad',
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});
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}
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}
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