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recommender/packages/backend/src/agents/retrieval.ts
Jose Henrique a7d12acce6
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fixing api calls
2026-04-03 01:15:47 -03:00

55 lines
2.9 KiB
TypeScript

import { openai, defaultModel, serviceOptions, supportsWebSearch, parseWithRetry } from '../agent.js';
import type { InterpreterOutput, RetrievalOutput, MediaType } from '../types/agents.js';
import { z } from 'zod';
import { zodTextFormat } from 'openai/helpers/zod';
const RetrievalSchema = z.object({
candidates: z.array(z.object({
title: z.string(),
reason: z.string()
}))
});
export async function runRetrieval(
input: InterpreterOutput,
brainstormCount = 100,
mediaType: MediaType = 'tv_show',
useWebSearch = false,
hardRequirements = false,
previousFullMatches: string[] = [],
): Promise<RetrievalOutput> {
const mediaLabel = mediaType === 'movie' ? 'movie' : 'TV show';
const mediaLabelPlural = mediaType === 'movie' ? 'movies' : 'TV shows';
const canSearch = useWebSearch && supportsWebSearch;
const response = await parseWithRetry(() => openai.responses.parse({
model: defaultModel,
temperature: 0.9,
max_completion_tokens: 16384,
...serviceOptions,
...(canSearch ? { tools: [{ type: 'web_search' as const }] } : {}),
text: { format: zodTextFormat(RetrievalSchema, "candidates") },
instructions: `You are a ${mediaLabel} candidate generator. Your goal is to brainstorm a LARGE, DIVERSE pool of ${brainstormCount} ${mediaLabel} candidates that match the user's structured preferences.${useWebSearch ? '\n\nUse web search to find recent and accurate titles, including newer releases.' : ''}
Rules:
- Include both well-known and obscure ${mediaLabelPlural}
- Prioritize RECALL over precision — it's better to include too many than too few
- Each "reason" should briefly explain why the ${mediaLabel} matches the preferences
- Avoid duplicates
- Include ${mediaLabelPlural} from different decades, countries${mediaType === 'tv_show' ? ', and networks' : ', and directors'}
- Aim for ${brainstormCount} candidates minimum${previousFullMatches.length > 0 ? '\n- Do NOT suggest titles already in the Previous Full Matches list — generate NEW candidates inspired by what made those successful' : ''}${hardRequirements ? '\n\nIMPORTANT: Strictly follow ALL requirements. Exclude any candidate that does not meet every stated requirement.' : ''}`,
input: `Structured preferences:
Liked ${mediaLabelPlural}: ${input.liked.join(', ') || '(none)'}
Disliked ${mediaLabelPlural}: ${input.disliked.join(', ') || '(none)'}
Themes: ${input.themes.join(', ') || '(none)'}
Character preferences: ${input.character_preferences.join(', ') || '(none)'}
Tone: ${input.tone.join(', ') || '(none)'}
Avoid: ${input.avoid.join(', ') || '(none)'}
Requirements: ${input.requirements.join(', ') || '(none)'}${previousFullMatches.length > 0 ? `\n\nPrevious Full Match titles (DO NOT repeat these; use them as inspiration for NEW candidates with similar qualities): ${previousFullMatches.join(', ')}` : ''}
Generate a large, diverse pool of ${mediaLabel} candidates.`,
}));
return (response.output_parsed as RetrievalOutput) ?? { candidates: [] };
}