import { z } from 'zod';
import { FeedRepository, CredibilityRepository } from '../database/repository.js';
import { CredibilityScorer } from '../services/credibility-scorer.js';
/**
* Input schema for rss_credibility_score tool
*/
export const RssCredibilityInputSchema = z.object({
feed_id: z.string().optional().describe('Specific feed ID (optional, leave empty for all feeds)')
});
/**
* Output schema for rss_credibility_score tool
*/
export const RssCredibilityOutputSchema = z.object({
scores: z.array(z.object({
feed_id: z.string(),
feed_title: z.string(),
score: z.number(),
label: z.string(),
metrics: z.object({
https_enabled: z.boolean(),
update_frequency: z.number(),
metadata_quality: z.number()
}),
recommendations: z.array(z.string())
}))
});
export type RssCredibilityInput = z.infer<typeof RssCredibilityInputSchema>;
export type RssCredibilityOutput = z.infer<typeof RssCredibilityOutputSchema>;
/**
* Calculate credibility scores for feeds
*/
export async function handleRssCredibility(
input: RssCredibilityInput,
feedRepository: FeedRepository,
credibilityRepository: CredibilityRepository
): Promise<RssCredibilityOutput> {
const { feed_id } = input;
const feeds = feed_id
? [feedRepository.findById(feed_id)].filter(Boolean)
: feedRepository.findAll();
const scores = feeds.map(feed => {
const httpsEnabled = feed!.url.startsWith('https://');
const metadataQuality = CredibilityScorer.assessMetadataQuality(feed);
const updateFreq = 5; // Simplified - in production, calculate from article history
const metrics = {
httpsEnabled,
updateFrequency: updateFreq,
metadataQuality,
hasDescription: !!feed!.description,
hasImage: false
};
const score = CredibilityScorer.calculateScore(feed, metrics);
const label = CredibilityScorer.getLabel(score);
const recommendations = CredibilityScorer.getRecommendations(score, metrics);
// Save to database
credibilityRepository.upsert(
feed!.id,
score,
httpsEnabled,
updateFreq,
metadataQuality
);
return {
feed_id: feed!.id,
feed_title: feed!.title,
score,
label,
metrics: {
https_enabled: httpsEnabled,
update_frequency: updateFreq,
metadata_quality: metadataQuality
},
recommendations
};
});
return { scores };
}
