38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
const BASE = `${process.env.DATAVERSE_URL}/api/data/v9.2`;
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const MAX_RETRIES = 3;
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function sleep(ms) {
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return new Promise((resolve) => setTimeout(resolve, ms));
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}
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// Reintenta 429 (throttling de Dataverse) respetando Retry-After — ver migration.md §8.
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export async function dv(path, accessToken, attempt = 0) {
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const r = await fetch(`${BASE}/${path}`, {
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headers: {
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Authorization: `Bearer ${accessToken}`,
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Accept: "application/json",
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"OData-MaxVersion": "4.0",
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"OData-Version": "4.0",
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Prefer: 'odata.include-annotations="OData.Community.Display.V1.FormattedValue"',
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},
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cache: "no-store", // decisión: sin caché, datos en vivo
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});
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if (r.status === 401) throw new Error("TOKEN_EXPIRED");
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if (r.status === 429 && attempt < MAX_RETRIES) {
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const retryAfter = Number(r.headers.get("Retry-After")) || 2 ** attempt;
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await sleep(retryAfter * 1000);
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return dv(path, accessToken, attempt + 1);
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}
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if (!r.ok) throw new Error(`DATAVERSE_${r.status}: ${(await r.text()).slice(0, 300)}`);
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return r.json();
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}
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// Etiqueta legible de un option set, entregada por el header Prefer de arriba.
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export function fv(o, key) {
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return o[`${key}@OData.Community.Display.V1.FormattedValue`] || null;
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}
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export function odataString(s) {
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return String(s).replace(/'/g, "''");
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}
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