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wtf/gcal/widget.go
2018-04-02 22:09:01 -07:00

127 lines
2.5 KiB
Go

package gcal
import (
"fmt"
"strings"
"time"
"github.com/gdamore/tcell"
"github.com/rivo/tview"
"github.com/senorprogrammer/wtf/wtf"
"google.golang.org/api/calendar/v3"
)
type Widget struct {
wtf.BaseWidget
View *tview.TextView
}
func NewWidget() *Widget {
widget := Widget{
BaseWidget: wtf.BaseWidget{
Name: "Calendar",
RefreshedAt: time.Now(),
RefreshInt: 180,
},
}
widget.addView()
go wtf.Refresh(&widget)
return &widget
}
/* -------------------- Exported Functions -------------------- */
func (widget *Widget) Refresh() {
events := Fetch()
widget.View.SetTitle(" 🍿 Calendar ")
widget.RefreshedAt = time.Now()
widget.View.Clear()
fmt.Fprintf(widget.View, "%s", widget.contentFrom(events))
}
/* -------------------- Unexported Functions -------------------- */
func (widget *Widget) addView() {
view := tview.NewTextView()
view.SetBorder(true)
view.SetBorderColor(tcell.ColorGrey)
view.SetDynamicColors(true)
view.SetTitle(widget.Name)
view.SetWrap(false)
widget.View = view
}
func (widget *Widget) contentFrom(events *calendar.Events) string {
str := "\n"
for _, item := range events.Items {
startTime, _ := time.Parse(time.RFC3339, item.Start.DateTime)
timestamp := startTime.Format("Mon, Jan 2, 15:04")
until := widget.until(startTime)
str = str + fmt.Sprintf(" [%s]%s[white]\n [%s]%s %s[white]\n\n", titleColor(item), item.Summary, descriptionColor(item), timestamp, until)
}
return str
}
func titleColor(item *calendar.Event) string {
ts, _ := time.Parse(time.RFC3339, item.Start.DateTime)
color := "red"
if strings.Contains(item.Summary, "1on1") {
color = "green"
}
if ts.Before(time.Now()) {
color = "grey"
}
return color
}
func descriptionColor(item *calendar.Event) string {
ts, _ := time.Parse(time.RFC3339, item.Start.DateTime)
color := "white"
if ts.Before(time.Now()) {
color = "grey"
}
return color
}
// until returns the number of hours or days until the event
// If the event is in the past, returns nil
func (widget *Widget) until(start time.Time) string {
duration := time.Until(start)
duration = duration.Round(time.Minute)
days := duration / (24 * time.Hour)
duration -= days * (24 * time.Hour)
hours := duration / time.Hour
duration -= hours * time.Hour
mins := duration / time.Minute
untilStr := ""
if days > 0 {
untilStr = fmt.Sprintf("%dd", days)
} else if hours > 0 {
untilStr = fmt.Sprintf("%dh", hours)
} else {
untilStr = fmt.Sprintf("%dm", mins)
}
return "[grey]" + untilStr + "[white]"
}