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Add Brave freshness option #1235

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Add Brave freshness option #1235

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3 changes: 3 additions & 0 deletions src/api/crawler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1021,6 +1021,9 @@ export class CrawlerHost extends RPCHost {
if (opts.markdown) {
this.threadLocal.set('turndownOpts', opts.markdown);
}
if (opts.freshness) {
this.threadLocal.set('x-brave-freshness', opts.freshness);
}

const crawlOpts: ExtraScrappingOptions = {
proxyUrl: opts.proxyUrl,
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8 changes: 8 additions & 0 deletions src/dto/crawler-options.ts
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Expand Up @@ -429,6 +429,9 @@ export class CrawlerOptions extends AutoCastable {
})
respondTiming?: RESPOND_TIMING;

@Prop()
freshness?: string;

_hintIps?: string[];

static override from(input: any) {
Expand Down Expand Up @@ -589,6 +592,11 @@ export class CrawlerOptions extends AutoCastable {
instance.respondTiming ??= respondTiming as RESPOND_TIMING;
}

const freshness = ctx?.get('x-brave-freshness');
if (freshness && /^(pd|pw|pm|py|\d{4}-\d{2}-\d{2}to\d{4}-\d{2}-\d{2})$/.test(freshness)) {
instance.freshness ??= freshness;
}

if (instance.cacheTolerance) {
instance.cacheTolerance = instance.cacheTolerance * 1000;
}
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9 changes: 7 additions & 2 deletions src/services/brave-search.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ export class BraveSearchService extends AsyncService {
this.braveSearchHTTP = new BraveSearchHTTP(this.secretExposer.BRAVE_SEARCH_API_KEY);
}

async webSearch(query: WebSearchQueryParams) {
async webSearch(query: WebSearchQueryParams & { freshness?: string }) {
const ip = this.threadLocal.get('ip');
const extraHeaders: WebSearchOptionalHeaderOptions = {};
if (ip) {
Expand Down Expand Up @@ -61,11 +61,16 @@ export class BraveSearchService extends AsyncService {
extraHeaders['User-Agent'] = this.threadLocal.get('userAgent');
}

const encoded = { ...query };
const encoded: Record<string, any> = { ...query };
if (encoded.q) {
encoded.q = (Buffer.from(encoded.q).toString('ascii') === encoded.q) ? encoded.q : encodeURIComponent(encoded.q);
}

const freshness = this.threadLocal.get('x-brave-freshness') || query.freshness;
if (freshness) {
encoded.freshness = freshness;
}

let maxTries = 11;

while (maxTries--) {
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