Merge branch 'main' of https://git.dev-null.rocks/alexohneander/gosearch

Reviewed-on: #3

.gitea/workflows/renovate.yaml

@@ -10,7 +10,7 @@ on:
 jobs:
   renovate:
     runs-on: ubuntu-latest
-    container: ghcr.io/renovatebot/renovate:39.215.2
+    container: ghcr.io/renovatebot/renovate:39.216.1
     steps:
       - uses: actions/checkout@v4
       - run: renovate

.gitea/workflows/sonarqube.yaml

@@ -0,0 +1,23 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+      types: [opened, synchronize, reopened]
+
+name: SonarQube Scan
+jobs:
+  sonarqube:
+    name: SonarQube Trigger
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checking out
+      uses: actions/checkout@v4
+      with:
+        # Disabling shallow clone is recommended for improving relevancy of reporting
+        fetch-depth: 0
+    - name: SonarQube Scan
+      uses: kitabisa/sonarqube-action@v1.2.0
+      with:
+        host: ${{ secrets.SONARQUBE_HOST }}
+        login: ${{ secrets.SONARQUBE_TOKEN }}

CHANGELOG.md

@@ -6,6 +6,16 @@ All notable changes to this project will be documented in this file.
 
 ### 🚀 Features
 
+- *(index)* Add save and load functionality for Index using gob encoding/decoding
+
+### 📚 Documentation
+
+- Add first release in Changelog
+
+## [0.1.0] - 2025-03-25
+
+### 🚀 Features
+
 - Added documentation for gosearch system architecture and updated Go module version to 1.23.5
 - Update internal HTTP server to use Fiber v2 with new routes and middleware configuration
 - Added new search route and metric endpoint to internal controller
@@ -30,5 +40,6 @@ All notable changes to this project will be documented in this file.
 - Added golang workflow for building and testing project
 - Update Go version in build-and-test workflow to 1.23
 - Added renovate configuration files for Gitea workflow automation
+- Add release pipeline
 
 <!-- generated by git-cliff -->

internal/controller/search.go

@@ -12,7 +12,7 @@ import (
 
 func SearchQuery(c *fiber.Ctx) error {
 	query := c.Params("query")
-	query = strings.TrimSpace(strings.ToLower(query))
+	query = strings.TrimSpace(query)
 
 	terms, queryType := parseQuery(query)
 	results := search.Search(terms, queryType, index.Index, index.DocFreq, len(index.Documents))
@@ -29,12 +29,12 @@ func SearchQuery(c *fiber.Ctx) error {
 
 // parseQuery parses the query to determine query type and terms
 func parseQuery(query string) ([]string, string) {
-	if strings.Contains(query, "AND") {
+	if strings.Contains(strings.ToLower(query), "AND") {
-		return strings.Split(query, " AND "), "AND"
+		return strings.Split(strings.ToLower(query), " AND "), "AND"
-	} else if strings.Contains(query, "OR") {
+	} else if strings.Contains(strings.ToLower(query), "OR") {
-		return strings.Split(query, " OR "), "OR"
+		return strings.Split(strings.ToLower(query), " OR "), "OR"
 	}
-	return strings.Fields(query), "SIMPLE"
+	return strings.Fields(strings.ToLower(query)), "SIMPLE"
 }
 
 // phraseMatch checks if all terms appear in the given document in sequence

main.go

@@ -7,7 +7,7 @@ import (
 
 func main() {
 	// Initialize Index
-	index.CreateIndex()
+	index.InitIndex("default")
 
 	// Start HTTP Server
 	http.StartService()

pkg/index/index.go

@@ -2,6 +2,12 @@ package index
 
 import (
 	"bufio"
+	"bytes"
+	"encoding/gob"
+	"errors"
+	"fmt"
+	"log"
+	"os"
 	"strings"
 )
 
@@ -13,7 +19,40 @@ var Index InvertedIndex
 var DocFreq DocumentFrequency
 var Documents []string
 
-func CreateIndex() {
+type SavedIndex struct {
+	Index     InvertedIndex
+	DocFreq   DocumentFrequency
+	Documents []string
+}
+
+func InitIndex(name string) {
+	createIndex()
+
+	// check if index as file exists
+	// if not, create one and save it
+	indexFilePath := "/tmp/" + name + ".db"
+	if _, err := os.Stat(indexFilePath); errors.Is(err, os.ErrNotExist) {
+		f, err := os.Create(indexFilePath)
+		if err != nil {
+			log.Fatal(err)
+		}
+		defer f.Close()
+	} else {
+		var savedIndex SavedIndex
+
+		err = readStructFromFile(indexFilePath, &savedIndex)
+		if err != nil {
+			fmt.Println("Fehler beim Lesen:", err)
+			return
+		}
+
+		Index = savedIndex.Index
+		DocFreq = savedIndex.DocFreq
+		Documents = savedIndex.Documents
+	}
+}
+
+func createIndex() {
 	index := make(InvertedIndex)
 	docFreq := make(DocumentFrequency)
 	var docs []string
@@ -23,6 +62,21 @@ func CreateIndex() {
 	DocFreq = docFreq
 }
 
+func updateIndex(name string) {
+	savedIndex := SavedIndex{
+		Index:     Index,
+		DocFreq:   DocFreq,
+		Documents: Documents,
+	}
+
+	indexFilePath := "/tmp/" + name + ".db"
+	err := writeStructToFile(indexFilePath, savedIndex)
+	if err != nil {
+		fmt.Println("Fehler beim Schreiben:", err)
+		return
+	}
+}
+
 func AddDocToIndex(url string, content string) {
 	Documents = append(Documents, url)
 
@@ -46,4 +100,35 @@ func AddDocToIndex(url string, content string) {
 		}
 	}
 
+	updateIndex("default")
+}
+
+func writeStructToFile(filename string, data interface{}) error {
+	var buf bytes.Buffer
+	enc := gob.NewEncoder(&buf)
+	err := enc.Encode(data)
+	if err != nil {
+		return fmt.Errorf("error when encoding the structs: %w", err)
+	}
+
+	err = os.WriteFile(filename, buf.Bytes(), 0644)
+	if err != nil {
+		return fmt.Errorf("error when writing to the file: %w", err)
+	}
+	return nil
+}
+
+func readStructFromFile(filename string, data interface{}) error {
+	content, err := os.ReadFile(filename)
+	if err != nil {
+		return fmt.Errorf("error reading the file: %w", err)
+	}
+
+	buf := bytes.NewBuffer(content)
+	dec := gob.NewDecoder(buf)
+	err = dec.Decode(data)
+	if err != nil {
+		return fmt.Errorf("error when decoding the structs: %w", err)
+	}
+	return nil
 }