From 176a8210798d36f832de963acd6054f8bb0c4146 Mon Sep 17 00:00:00 2001
From: Chris Cummer <chriscummer@me.com>
Date: Mon, 2 Apr 2018 08:43:42 -0700
Subject: [PATCH] The /wtf directory is now in source control

---
 .gitignore         |  1 -
 wtf/base_widget.go | 16 ++++++++++++++++
 wtf/refresher.go   | 25 +++++++++++++++++++++++++
 wtf/utils.go       | 29 +++++++++++++++++++++++++++++
 4 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 wtf/base_widget.go
 create mode 100644 wtf/refresher.go
 create mode 100644 wtf/utils.go

diff --git a/.gitignore b/.gitignore
index 385209c4..138cb045 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
 DS_Store
 gcal/client_secret.json
-wtf
diff --git a/wtf/base_widget.go b/wtf/base_widget.go
new file mode 100644
index 00000000..81566c6d
--- /dev/null
+++ b/wtf/base_widget.go
@@ -0,0 +1,16 @@
+package wtf
+
+import (
+	//"fmt"
+	"time"
+)
+
+type BaseWidget struct {
+	Name        string
+	RefreshedAt time.Time
+	RefreshInt  int
+}
+
+func (widget *BaseWidget) RefreshInterval() int {
+	return widget.RefreshInt
+}
diff --git a/wtf/refresher.go b/wtf/refresher.go
new file mode 100644
index 00000000..fa5ea9ee
--- /dev/null
+++ b/wtf/refresher.go
@@ -0,0 +1,25 @@
+package wtf
+
+import (
+	"time"
+)
+
+type Refresher interface {
+	Refresh()
+	RefreshInterval() int
+}
+
+func Refresh(widget Refresher) {
+	tick := time.NewTicker(time.Duration(widget.RefreshInterval()) * time.Second)
+	quit := make(chan struct{})
+
+	for {
+		select {
+		case <-tick.C:
+			widget.Refresh()
+		case <-quit:
+			tick.Stop()
+			return
+		}
+	}
+}
diff --git a/wtf/utils.go b/wtf/utils.go
new file mode 100644
index 00000000..bf36bbe9
--- /dev/null
+++ b/wtf/utils.go
@@ -0,0 +1,29 @@
+package wtf
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os/exec"
+)
+
+func CenterText(str string, width int) string {
+	return fmt.Sprintf("%[1]*s", -width, fmt.Sprintf("%[1]*s", (width+len(str))/2, str))
+}
+
+func ExecuteCommand(cmd *exec.Cmd) string {
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		return fmt.Sprintf("A: %v\n", err)
+	}
+
+	if err := cmd.Start(); err != nil {
+		return fmt.Sprintf("B: %v\n", err)
+	}
+
+	var str string
+	if b, err := ioutil.ReadAll(stdout); err == nil {
+		str += string(b)
+	}
+
+	return str
+}