132 lines
3 KiB
Go
132 lines
3 KiB
Go
/*
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Pominal
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Copyright (C) 2019 Daniel Anglin
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"fmt"
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"os"
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"os/signal"
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"syscall"
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"time"
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)
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type Pominal struct {
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timer *time.Timer
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finish time.Time
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work time.Duration
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shortBreak time.Duration
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longBreak time.Duration
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maxWorkCycles int
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session int
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label string
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}
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// NewPominal creates a new pominal instance
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func NewPominal(w, s, l time.Duration, m int) Pominal {
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return Pominal{
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work: w,
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shortBreak: s,
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longBreak: l,
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maxWorkCycles: m,
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session: 1,
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}
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}
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// Run Pominal
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func (p *Pominal) Run() {
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workCycleCount := 1
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t := time.NewTicker(1 * time.Second)
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s := make(chan os.Signal, 1)
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signal.Notify(s, syscall.SIGINT, syscall.SIGTERM)
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p.Start(workTimerLabel, workCycleCount)
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infinite:
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for {
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select {
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case sig := <-s:
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fmt.Printf("\n\nReceived signal '%s'. Closing Pominal.\n", sig)
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p.timer.Stop()
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t.Stop()
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break infinite
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case <-t.C:
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printScreen(p.TimeRemaining(), p.session, workCycleCount, p.maxWorkCycles, p.label)
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case <-p.timer.C:
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fmt.Printf("\n%s timer has finished\n", p.label)
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p.timer.Stop()
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t.Stop()
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time.Sleep(1 * time.Second)
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oldLabel := p.label
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switch p.label {
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case workTimerLabel:
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if workCycleCount >= p.maxWorkCycles {
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p.Start(longBreakTimerLabel, workCycleCount)
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} else {
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p.Start(shortBreakTimerLabel, workCycleCount)
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}
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case shortBreakTimerLabel:
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workCycleCount++
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p.Start(workTimerLabel, workCycleCount)
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case longBreakTimerLabel:
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workCycleCount = 1
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p.IncrementCount()
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p.Start(workTimerLabel, workCycleCount)
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}
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t = time.NewTicker(1 * time.Second)
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newLabel := p.label
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alert(oldLabel, newLabel)
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}
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}
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}
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// Start begins the timer specified by the
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// label argument.
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func (p *Pominal) Start(label string, workCycleCount int) {
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var d time.Duration
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switch label {
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case workTimerLabel:
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d = p.work
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case shortBreakTimerLabel:
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d = p.shortBreak
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case longBreakTimerLabel:
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d = p.longBreak
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}
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p.label = label
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if p.timer == nil {
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p.timer = time.NewTimer(d)
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} else {
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p.timer.Reset(d)
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}
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p.finish = time.Now().Add(d)
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}
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// TimeRemaining returns the remaining time left
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// on the timer
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func (p *Pominal) TimeRemaining() float64 {
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return p.finish.Sub(time.Now()).Seconds()
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}
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// IncrementCount increments the pominal session count
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func (p *Pominal) IncrementCount() {
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p.session++
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}
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