From 40f1743f4204ffa029a04e3a956340b33f11d5d8 Mon Sep 17 00:00:00 2001
From: Jguer <joaogg3@gmail.com>
Date: Sun, 9 Apr 2017 11:48:03 +0100
Subject: [PATCH] #15 plan implemented with 48h. To test

---
 actions.go | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 56 insertions(+), 3 deletions(-)

diff --git a/actions.go b/actions.go
index 5a2dd3a9..4834321f 100644
--- a/actions.go
+++ b/actions.go
@@ -10,6 +10,7 @@ import (
 	"os/exec"
 	"strconv"
 	"strings"
+	"time"
 
 	aur "github.com/jguer/yay/aur"
 	pac "github.com/jguer/yay/pacman"
@@ -328,14 +329,66 @@ func GetPkgbuild(pkg string) (err error) {
 	return
 }
 
-func Complete() (err error) {
-	// Get the data
+func createAURList(path string) (err error) {
+	os.MkdirAll(os.Getenv("HOME")+"/.cache/yay", 0755)
+
+	out, err := os.Create(path)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
 	resp, err := http.Get("https://aur.archlinux.org/packages.gz")
 	if err != nil {
 		return err
 	}
+
 	defer resp.Body.Close()
-	_, err = io.Copy(os.Stdout, resp.Body)
+	_, err = io.Copy(out, resp.Body)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func updateAURList(out io.Writer) (err error) {
+	resp, err := http.Get("https://aur.archlinux.org/packages.gz")
+	if err != nil {
+		return err
+	}
+
+	defer resp.Body.Close()
+	_, err = io.Copy(out, resp.Body)
+	if err != nil {
+		return err
+	}
+
+	return nil
+
+}
+
+// Complete provides completion info for shells
+func Complete() (err error) {
+	path := os.Getenv("HOME") + "/.cache/yay/aur.cache"
+
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		err = createAURList(path)
+	}
+
+	in, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE, 0755)
+	defer in.Close()
+	if err != nil {
+		return err
+	}
+
+	info, err := in.Stat()
+	if time.Since(info.ModTime()).Hours() > 48 {
+		err = updateAURList(in)
+	}
+
+	// Get the data
+	_, err = io.Copy(os.Stdout, in)
 	if err != nil {
 		return err
 	}