wip

apps/api/src/controllers/v1/extract.ts

@@ -1,22 +1,326 @@
 import { Request, Response } from "express";
 import {
-  Document,
+  // Document,
   RequestWithAuth,
   ExtractRequest,
   extractRequestSchema,
   ExtractResponse,
   MapDocument,
+  scrapeOptions,
 } from "./types";
+import { Document } from "../../lib/entities";
+import { StoredCrawl, crawlToCrawler } from "../../lib/crawl-redis";
+import { fireEngineMap } from "../../search/fireEngine";
+import Redis from "ioredis";
+import { configDotenv } from "dotenv";
+import { performRanking } from "../../lib/ranker";
+import { checkAndUpdateURLForMap } from "../../lib/validateUrl";
+import { isSameDomain } from "../../lib/validateUrl";
+import { isSameSubdomain } from "../../lib/validateUrl";
+import { removeDuplicateUrls } from "../../lib/validateUrl";
+import { billTeam } from "../../services/billing/credit_billing";
+import { logJob } from "../../services/logging/log_job";
+import { logger } from "../../lib/logger";
+import { getScrapeQueue } from "../../services/queue-service";
+import { waitForJob } from "../../services/queue-jobs";
+import { addScrapeJob } from "../../services/queue-jobs";
+import { PlanType } from "../../types";
+import { getJobPriority } from "../../lib/job-priority";
+import { generateCompletions } from "../../lib/LLM-extraction";
+
+configDotenv();
+const redis = new Redis(process.env.REDIS_URL!);
+
+const MAX_EXTRACT_LIMIT = 100;
+const MAX_RANKING_LIMIT = 3;
 
 export async function extractController(
   req: RequestWithAuth<{}, ExtractResponse, ExtractRequest>,
-  res: Response<ExtractResponse>
+  res: Response<any> //ExtractResponse>
 ) {
   req.body = extractRequestSchema.parse(req.body);
 
+  const id = crypto.randomUUID();
+  let links: string[] = req.body.urls;
+
+  const sc: StoredCrawl = {
+    originUrl: req.body.urls[0],
+    crawlerOptions: {
+      // ...crawlerOptions,
+      scrapeOptions: undefined,
+    },
+    scrapeOptions: scrapeOptions.parse({}),
+    internalOptions: {},
+    team_id: req.auth.team_id,
+    createdAt: Date.now(),
+    plan: req.auth.plan!,
+  };
+
+  const crawler = crawlToCrawler(id, sc);
+
+  let urlWithoutWww = req.body.urls[0].replace("www.", "");
+
+  let mapUrl = req.body.prompt
+    ? `"${req.body.prompt}" site:${urlWithoutWww}`
+    : `site:${req.body.urls[0]}`;
+
+  const resultsPerPage = 100;
+  const maxPages = Math.ceil(MAX_EXTRACT_LIMIT / resultsPerPage);
+
+  const cacheKey = `fireEngineMap:${mapUrl}`;
+  const cachedResult = null;
+
+  let allResults: any[] = [];
+  let pagePromises: Promise<any>[] = [];
+
+  if (cachedResult) {
+    allResults = JSON.parse(cachedResult);
+  } else {
+    const fetchPage = async (page: number) => {
+      return fireEngineMap(mapUrl, {
+        numResults: resultsPerPage,
+        page: page,
+      });
+    };
+
+    pagePromises = Array.from({ length: maxPages }, (_, i) => fetchPage(i + 1));
+    allResults = await Promise.all(pagePromises);
+
+    await redis.set(cacheKey, JSON.stringify(allResults), "EX", 24 * 60 * 60); // Cache for 24 hours
+  }
+
+  console.log("allResults", allResults);
+  // Parallelize sitemap fetch with serper search
+  const [sitemap, ...searchResults] = await Promise.all([
+    req.body.ignoreSitemap ? null : crawler.tryGetSitemap(),
+    ...(cachedResult ? [] : pagePromises),
+  ]);
+
+  if (!cachedResult) {
+    allResults = searchResults;
+  }
+
+  if (sitemap !== null) {
+    sitemap.forEach((x) => {
+      links.push(x.url);
+    });
+  }
+
+  let mapResults = allResults
+    .flat()
+    .filter((result) => result !== null && result !== undefined);
+
+  const minumumCutoff = Math.min(MAX_EXTRACT_LIMIT, req.body.limit ?? MAX_EXTRACT_LIMIT);
+  if (mapResults.length > minumumCutoff) {
+    mapResults = mapResults.slice(0, minumumCutoff);
+  }
+
+  if (mapResults.length > 0) {
+    if (req.body.prompt) {
+      // Ensure all map results are first, maintaining their order
+      links = [
+        mapResults[0].url,
+        ...mapResults.slice(1).map((x) => x.url),
+        ...links,
+      ];
+    } else {
+      mapResults.map((x) => {
+        links.push(x.url);
+      });
+    }
+  }
+
+  // console.log("links", links);
+  let linksAndScores: { link: string; score: number }[] = [];
+  // Perform cosine similarity between the search query and the list of links
+  if (req.body.prompt) {
+    const searchQuery = req.body.prompt.toLowerCase();
+    linksAndScores = await performRanking(links, searchQuery);
+  }
+
+  console.log("linksAndScores", linksAndScores);
+
+  links = links
+    .map((x) => {
+      try {
+        return checkAndUpdateURLForMap(x).url.trim();
+      } catch (_) {
+        return null;
+      }
+    })
+    .filter((x) => x !== null) as string[];
+
+  // allows for subdomains to be included
+  links = links.filter((x) => isSameDomain(x, req.body.urls[0]));
+
+  // if includeSubdomains is false, filter out subdomains
+  if (!req.body.includeSubdomains) {
+    links = links.filter((x) => isSameSubdomain(x, req.body.urls[0]));
+  }
+
+  // remove duplicates that could be due to http/https or www
+  links = removeDuplicateUrls(links);
+
+  // get top N links
+  links = links.slice(0, MAX_RANKING_LIMIT);
+
+  // scrape the links
+  let earlyReturn = false;
+  let docs: Document[] = [];
+
+  for (const url of links) {
+    const origin = req.body.origin || "api";
+    const timeout = req.body.timeout;
+    const jobId = crypto.randomUUID();
+
+    const startTime = new Date().getTime();
+    const jobPriority = await getJobPriority({
+      plan: req.auth.plan as PlanType,
+      team_id: req.auth.team_id,
+      basePriority: 10,
+    });
+
+    await addScrapeJob(
+      {
+        url,
+        mode: "single_urls",
+        team_id: req.auth.team_id,
+        scrapeOptions: scrapeOptions.parse({}),
+        internalOptions: {},
+        plan: req.auth.plan!,
+        origin,
+        is_scrape: true,
+      },
+      {},
+      jobId,
+      jobPriority
+    );
+
+    const totalWait = 60000 // (req.body.waitFor ?? 0) + (req.body.actions ?? []).reduce((a,x) => (x.type === "wait" ? x.milliseconds ?? 0 : 0) + a, 0);
+
+    let doc: Document;
+    try {
+      doc = await waitForJob<Document>(jobId, timeout + totalWait); // TODO: better types for this
+    } catch (e) {
+      logger.error(`Error in scrapeController: ${e}`);
+      if (e instanceof Error && (e.message.startsWith("Job wait") || e.message === "timeout")) {
+        return res.status(408).json({
+          success: false,
+          error: "Request timed out",
+        });
+      } else {
+        return res.status(500).json({
+          success: false,
+          error: `(Internal server error) - ${(e && e.message) ? e.message : e}`,
+        });
+      }
+    }
+
+    await getScrapeQueue().remove(jobId);
+
+    const endTime = new Date().getTime();
+    const timeTakenInSeconds = (endTime - startTime) / 1000;
+    // const numTokens =
+    //   doc && doc.extract
+    //     // ? numTokensFromString(doc.markdown, "gpt-3.5-turbo")
+    //   ? 0 // TODO: fix
+    //   : 0;
+
+    let creditsToBeBilled = 1; // Assuming 1 credit per document
+    if (earlyReturn) {
+      // Don't bill if we're early returning
+      return;
+    }
+    docs.push(doc);
+  }
+
+
+  console.log("docs", docs);
+
+  // reduce to 1 document
+  const completions = await generateCompletions(
+    docs, {
+      extractionSchema: req.body.schema,
+      extractionPrompt: req.body.prompt,
+      userPrompt: req.body.prompt,
+      mode: "markdown"
+    },
+    "markdown"
+  );
+
+  console.log("completions", completions.map(x => x.llm_extraction));
+
+  // if(req.body.extract && req.body.formats.includes("extract")) {
+  //   creditsToBeBilled = 5;
+  // }
+
+  // billTeam(req.auth.team_id, req.acuc?.sub_id, creditsToBeBilled).catch(error => {
+  //   logger.error(`Failed to bill team ${req.auth.team_id} for ${creditsToBeBilled} credits: ${error}`);
+  //   // Optionally, you could notify an admin or add to a retry queue here
+  // });
+
+  // if (!req.body.formats.includes("rawHtml")) {
+  //   if (doc && doc.rawHtml) {
+  //     delete doc.rawHtml;
+  //   }
+  // }
+
+  // logJob({
+  //   job_id: jobId,
+  //   success: true,
+  //   message: "Scrape completed",
+  //   num_docs: 1,
+  //   docs: [doc],
+  //   time_taken: timeTakenInSeconds,
+  //   team_id: req.auth.team_id,
+  //   mode: "scrape",
+  //   url: req.body.url,
+  //   scrapeOptions: req.body,
+  //   origin: origin,
+  //   num_tokens: numTokens,
+  // });
+
+
+
+  // billTeam(teamId, subId, 1).catch((error) => {
+  //   logger.error(
+  //     `Failed to bill team ${teamId} for 1 credit: ${error}`
+  //   );
+  // });
+
+  // const linksToReturn = links.slice(0, limit);
+
+  // logJob({
+  //   job_id: id,
+  //   success: links.length > 0,
+  //   message: "Extract completed", 
+  //   num_docs: linksToReturn.length,
+  //   docs: linksToReturn,
+  //   time_taken: (new Date().getTime() - Date.now()) / 1000,
+  //   team_id: teamId,
+  //   mode: "extract",
+  //   url: urls[0],
+  //   crawlerOptions: {},
+  //   scrapeOptions: {},
+  //   origin: origin ?? "api",
+  //   num_tokens: 0,
+  // });
+
+  // return {
+
+  // };
+
+
+
+  // const response = {
+  //   success: true as const,
+  //   data: result.data,
+  //   scrape_id: result.scrape_id
+  // };
+
   return res.status(200).json({
     success: true,
-    data: {} as Document,
-    scrape_id: undefined,
+    data: {}, // includeMetadata ? mapResults : linksToReturn,
+    scrape_id: id, //origin?.includes("website") ? id : undefined,
   });
-}
+}

apps/api/src/controllers/v1/types.ts

@@ -158,6 +158,9 @@ export const extractV1Options = z.object({
   urls: url.array(),
   prompt: z.string().optional(),
   schema: z.any().optional(),
+  limit: z.number().int().positive().finite().safe().optional(),
+  ignoreSitemap: z.boolean().default(false),
+  includeSubdomains: z.boolean().default(true),
   origin: z.string().optional().default("api"),
   timeout: z.number().int().positive().finite().safe().default(60000),
 }).strict(strictMessage)

apps/api/src/lib/ranker.ts

@@ -0,0 +1,69 @@
+import axios from 'axios';
+import { configDotenv } from 'dotenv';
+import OpenAI from "openai";
+
+configDotenv();
+
+const openai = new OpenAI({
+  apiKey: process.env.OPENAI_API_KEY,
+});
+
+async function getEmbedding(text: string) {
+  const embedding = await openai.embeddings.create({
+    model: "text-embedding-ada-002",
+    input: text,
+    encoding_format: "float",
+  });
+
+  return embedding.data[0].embedding;
+}
+
+const cosineSimilarity = (vec1: number[], vec2: number[]): number => {
+  const dotProduct = vec1.reduce((sum, val, i) => sum + val * vec2[i], 0);
+  const magnitude1 = Math.sqrt(
+    vec1.reduce((sum, val) => sum + val * val, 0)
+  );
+  const magnitude2 = Math.sqrt(
+    vec2.reduce((sum, val) => sum + val * val, 0)
+  );
+  if (magnitude1 === 0 || magnitude2 === 0) return 0;
+  return dotProduct / (magnitude1 * magnitude2);
+};
+
+// Function to convert text to vector
+const textToVector = (searchQuery: string, text: string): number[] => {
+  const words = searchQuery.toLowerCase().split(/\W+/);
+  return words.map((word) => {
+    const count = (text.toLowerCase().match(new RegExp(word, "g")) || [])
+      .length;
+    return count / text.length;
+  });
+};
+
+async function performRanking(links: string[], searchQuery: string) {
+  try {
+    // Generate embeddings for the search query
+    const queryEmbedding = await getEmbedding(searchQuery);
+
+    // Generate embeddings for each link and calculate similarity
+    const linksAndScores = await Promise.all(links.map(async (link) => {
+      const linkEmbedding = await getEmbedding(link);
+
+      console.log("linkEmbedding", linkEmbedding);
+      // const linkVector = textToVector(searchQuery, link);
+      const score = cosineSimilarity(queryEmbedding, linkEmbedding);
+      console.log("score", score);
+      return { link, score };
+    }));
+
+    // Sort links based on similarity scores
+    linksAndScores.sort((a, b) => b.score - a.score);
+
+    return linksAndScores;
+  } catch (error) {
+    console.error(`Error performing semantic search: ${error}`);
+    return [];
+  }
+}
+
+export { performRanking };