36 lines
1.8 KiB
TypeScript
36 lines
1.8 KiB
TypeScript
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import { assertReadOnly, paramNames } from './sapdb-sql.js';
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import { CLIENT_SAPDB_QUERIES } from './sapdb.extensions.js';
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import type { SapDbQuery } from './sapdb.types.js';
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/** Consultas del proyecto base: solo una de comprobación (la base responde). Las de negocio van en `sapdb.extensions.ts`. */
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export const BASE_SAPDB_QUERIES: readonly SapDbQuery[] = [
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{
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name: 'ping',
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title: 'Comprobar la conexión con la base de datos',
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sql: { hana: 'SELECT 1 AS "ok" FROM "DUMMY"' },
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params: {},
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menu: null,
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},
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];
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/** Comprueba que los nombres no se repitan, que el SQL sea de solo lectura y que use justo los parámetros declarados. Lanza si no. */
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export function validateQueries(queries: readonly SapDbQuery[]): readonly SapDbQuery[] {
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const seen = new Set<string>();
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for (const q of queries) {
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if (!/^[a-z0-9][a-z0-9-]{0,59}$/.test(q.name)) throw new Error(`Nombre de consulta inválido: ${q.name}`);
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if (seen.has(q.name)) throw new Error(`Consulta repetida: ${q.name}`);
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seen.add(q.name);
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const engines = Object.entries(q.sql);
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if (!engines.length) throw new Error(`La consulta ${q.name} no tiene SQL`);
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for (const [engine, sql] of engines) {
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assertReadOnly(`${q.name} (${engine})`, sql);
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const used = new Set(paramNames(sql));
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const declared = new Set(Object.keys(q.params));
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for (const n of used) if (!declared.has(n)) throw new Error(`La consulta ${q.name} (${engine}) usa :${n} sin declararlo`);
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for (const n of declared) if (!used.has(n)) throw new Error(`La consulta ${q.name} (${engine}) declara ${n} y no lo usa`);
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}
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}
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return queries;
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}
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export const SAPDB_QUERIES: ReadonlyMap<string, SapDbQuery> = new Map(validateQueries([...BASE_SAPDB_QUERIES, ...CLIENT_SAPDB_QUERIES]).map((q) => [q.name, q]));
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