From e973c9724829d962ff9e233ef16f489296f9fe3d Mon Sep 17 00:00:00 2001
From: alex <alexander.vrabel@proton.me>
Date: Tue, 28 Jul 2026 00:30:55 +0200
Subject: added Posting type to the reverse index struct which will be later
 used for scoring results

---
 index/index.go | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

(limited to 'index/index.go')

diff --git a/index/index.go b/index/index.go
index 7456213..53f9fca 100644
--- a/index/index.go
+++ b/index/index.go
@@ -2,31 +2,39 @@
 
 import "sync"
 
+type Posting struct {
+	DocId int
+	Count int
+}
 type InvertedIndex struct {
 	Mu       sync.RWMutex
-	Data     map[string][]int
+	Data     map[string][]Posting
 	DocNames map[int]string
 }
 
 func New() *InvertedIndex {
 	return &InvertedIndex{
-		Data:     make(map[string][]int),
+		Data:     make(map[string][]Posting),
 		DocNames: make(map[int]string),
 	}
 }
 
 func (idx *InvertedIndex) Add(docID int, title string, tokens []string) {
+
+	tokenCounts := make(map[string]int)
+	for _, token := range tokens {
+		tokenCounts[token]++
+	}
+
 	idx.Mu.Lock()
 	defer idx.Mu.Unlock()
 
 	idx.DocNames[docID] = title
-	seen := make(map[string]struct{})
-
-	for _, token := range tokens {
-		if _, exists := seen[token]; !exists {
-			idx.Data[token] = append(idx.Data[token], docID)
 
-			seen[token] = struct{}{}
-		}
+	for token, count := range tokenCounts {
+		idx.Data[token] = append(idx.Data[token], Posting{
+			DocId: docID,
+			Count: count,
+		})
 	}
 }
-- 
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