From 2a701fe19b8e3c96e9bbbc27886a9fe677e1e2c6 Mon Sep 17 00:00:00 2001
From: Simon Vieille <simon@deblan.fr>
Date: Mon, 29 Aug 2022 13:44:34 +0200
Subject: [PATCH] add block volume

---
 README.md             |  6 ++++++
 blocks/volume/main.go | 48 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 blocks/volume/main.go

diff --git a/README.md b/README.md
index 6155cd6..ef2638c 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,12 @@ Show indicator of RSS.
 rss <block_name> <feed_url> <feed_reader_url> <foreground_color_when_no_item> <foreground_color_when_items>
 ```
 
+Show volume.
+
+```
+volume <channel>
+```
+
 Toggler for wireguard.
 
 ```
diff --git a/blocks/volume/main.go b/blocks/volume/main.go
new file mode 100644
index 0000000..c81cfca
--- /dev/null
+++ b/blocks/volume/main.go
@@ -0,0 +1,48 @@
+package main
+
+import (
+	"fmt"
+	r "gitnet.fr/deblan/i3-blocks-go/rendering"
+	"os"
+	"os/exec"
+	"regexp"
+	"strconv"
+)
+
+func Volume(channel string) int {
+	output, _ := exec.Command("amixer", "get", channel).Output()
+
+	regex, _ := regexp.Compile(`\[(\d+)%\]`)
+	data := regex.FindStringSubmatch(string(output))
+
+	volume, _ := strconv.Atoi(data[1])
+
+	return volume
+}
+
+func main() {
+	argChannel := os.Args[1]
+
+	volume := Volume(argChannel)
+
+	var symbole string
+
+	if volume == 0 {
+		symbole = "\uf026"
+	} else if volume < 50 {
+		symbole = "\uf027"
+	} else {
+		symbole = "\uf028"
+	}
+
+	value := r.TextWithPadding(fmt.Sprintf("%d%% %s", volume, r.FontAwesome(symbole)), r.FB{
+		Foreground: r.Color("grey1"),
+		Background: r.Color("black1"),
+	})
+
+	options := r.NewBlockOptions()
+	options.FullText = value
+	block := r.Block("volume", options)
+
+	fmt.Println(block)
+}