From 3d3245599e656f67b2cb1677507e3c26c73ef6c4 Mon Sep 17 00:00:00 2001
From: KatolaZ <katolaz@freaknet.org>
Date: Thu, 11 Jan 2018 16:14:22 +0000
Subject: implemented AND logic for space-separated words

---
 d1pkgweb-query.go | 41 +++++++++++++++++++++++++++++++++++++----
 1 file changed, 37 insertions(+), 4 deletions(-)

diff --git a/d1pkgweb-query.go b/d1pkgweb-query.go
index a6514b5..fe2d099 100644
--- a/d1pkgweb-query.go
+++ b/d1pkgweb-query.go
@@ -36,7 +36,7 @@ Search Devuan Packages for: <input type="text" name="search"/>
 </form>
 
 
-<div class="title">{{.NumResults}} results for <b>{{.Query}} (in {{.Time}})</b>  </div>
+<div class="title">{{.NumResults}} results for <b>"{{.Query}}"</b> (in {{.Time}})  </div>
 
 <ul class="res_list">
 {{range .Results}} 
@@ -76,6 +76,24 @@ func parseLines(s string) []Result {
 	return results
 }
 
+func pipeComands(commands []*exec.Cmd) ([]byte, error) {
+
+	for i, command := range commands[:len(commands)-1] {
+		out, err := command.StdoutPipe()
+		if err != nil {
+			return nil, err
+		}
+		command.Start()
+		commands[i+1].Stdin = out
+	}
+	final, err := commands[len(commands)-1].Output()
+	if err != nil {
+		return nil, err
+	}
+	return final, nil
+
+}
+
 func getResults(req http.Request) (ResultPage, error) {
 
 	var res ResultPage
@@ -89,13 +107,28 @@ func getResults(req http.Request) (ResultPage, error) {
 	}
 
 	res.Query = searchQuery[0]
+	QueryTerms := strings.Split(res.Query, " ")
+
+	fmt.Printf("QueryTerms: %s\n", QueryTerms)
 
 	startTime := time.Now()
 
+	commands := make([]*exec.Cmd, 0)
+
 	cmd := "grep"
-	args := []string{res.Query, "index.txt"}
-	if cmdOut, err := exec.Command(cmd, args...).Output(); err != nil {
-		//fmt.Printf("error executing command: %s", err)
+	args := []string{QueryTerms[0], "index.txt"}
+
+	commands = append(commands, exec.Command(cmd, args...))
+
+	for _, word := range QueryTerms[1:] {
+		args = []string{word}
+		fmt.Printf("word: %s\r\n", word)
+		commands = append(commands, exec.Command(cmd, args...))
+	}
+
+	//if cmdOut, err := exec.Command(cmd, args...).Output(); err != nil {
+	if cmdOut, err := pipeComands(commands); err != nil {
+		fmt.Printf("error executing command: %s", err)
 		res.Time = fmt.Sprintf("%s", time.Since(startTime))
 		return res, nil
 	} else {
-- 
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