From d2344aa14bc80b93b8f14ebc211c1884d98b104c Mon Sep 17 00:00:00 2001
From: Nicolas <nicolascamara29@gmail.com>
Date: Mon, 21 Oct 2024 16:11:32 -0300
Subject: [PATCH] Revert "Nick: improved map ranking algorithm"

This reverts commit 7acd8d2edb6abc45a63fe1060377d2acb398ec36.
---
 apps/api/src/controllers/v1/map.ts   | 13 +------------
 apps/api/src/controllers/v1/types.ts |  8 --------
 apps/api/src/lib/map-cosine.ts       | 15 +++++++--------
 3 files changed, 8 insertions(+), 28 deletions(-)

diff --git a/apps/api/src/controllers/v1/map.ts b/apps/api/src/controllers/v1/map.ts
index 112c06b4..5ed3dd51 100644
--- a/apps/api/src/controllers/v1/map.ts
+++ b/apps/api/src/controllers/v1/map.ts
@@ -2,7 +2,6 @@ import { Response } from "express";
 import { v4 as uuidv4 } from "uuid";
 import {
   legacyCrawlerOptions,
-  LinkInfo,
   mapRequestSchema,
   RequestWithAuth,
 } from "./types";
@@ -110,10 +109,6 @@ export async function mapController(
     mapResults = mapResults.slice(0, minumumCutoff);
   }
 
-
-
-  let linkInfos: LinkInfo[] = [];
-
   if (mapResults.length > 0) {
     if (req.body.search) {
       // Ensure all map results are first, maintaining their order
@@ -122,12 +117,6 @@ export async function mapController(
         ...mapResults.slice(1).map((x) => x.url),
         ...links,
       ];
-      
-      linkInfos = [
-        mapResults[0],
-        ...mapResults.slice(1),
-        ...links.map((x) => ({ url: x })),
-      ]
     } else {
       mapResults.map((x) => {
         links.push(x.url);
@@ -139,7 +128,7 @@ export async function mapController(
   if (req.body.search) {
     const searchQuery = req.body.search.toLowerCase();
 
-    links = performCosineSimilarity(linkInfos, searchQuery);
+    links = performCosineSimilarity(links, searchQuery);
   }
 
   links = links
diff --git a/apps/api/src/controllers/v1/types.ts b/apps/api/src/controllers/v1/types.ts
index 91618e1a..033de6e0 100644
--- a/apps/api/src/controllers/v1/types.ts
+++ b/apps/api/src/controllers/v1/types.ts
@@ -478,11 +478,3 @@ export function legacyDocumentConverter(doc: any): Document {
     },
   };
 }
-
-
-
-export interface LinkInfo {
-  url: string;
-  title?: string;
-  description?: string;
-}
\ No newline at end of file
diff --git a/apps/api/src/lib/map-cosine.ts b/apps/api/src/lib/map-cosine.ts
index 8804aa58..db2491a9 100644
--- a/apps/api/src/lib/map-cosine.ts
+++ b/apps/api/src/lib/map-cosine.ts
@@ -1,7 +1,6 @@
 import { Logger } from "./logger";
-import { LinkInfo } from "../controllers/v1/types";
 
-export function performCosineSimilarity(links: LinkInfo[], searchQuery: string) {
+export function performCosineSimilarity(links: string[], searchQuery: string) {
   try {
     // Function to calculate cosine similarity
     const cosineSimilarity = (vec1: number[], vec2: number[]): number => {
@@ -28,20 +27,20 @@ export function performCosineSimilarity(links: LinkInfo[], searchQuery: string)
 
     // Calculate similarity scores
     const similarityScores = links.map((link) => {
-      const linkText = `${link.url} ${link.title || ''} ${link.description || ''}`.trim();
-      const linkVector = textToVector(linkText);
+      const linkVector = textToVector(link);
       const searchVector = textToVector(searchQuery);
       return cosineSimilarity(linkVector, searchVector);
     });
 
-    // Sort links based on similarity scores
-    const sortedLinks = links
+    // Sort links based on similarity scores and print scores
+    const a = links
       .map((link, index) => ({ link, score: similarityScores[index] }))
       .sort((a, b) => b.score - a.score);
 
-    return sortedLinks.map((item) => item.link.url);
+    links = a.map((item) => item.link);
+    return links;
   } catch (error) {
     Logger.error(`Error performing cosine similarity: ${error}`);
-    return links.map(link => link.url);
+    return links;
   }
 }