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#!/bin/bash
### Send desktop notifications
## Params: header {String} - Notification highlighted text
## Params: body {String} - Notification complementary text
## Returns: {Void}
function notify() {
header=$1
body=$2
notify-send -u critical -t 0 -a pomo "${header:?}" "${body:?}"
}
### Show a countdown timer and a message and updates without
### cleaning the whole screen
## Params: seconds {Number} - Countdown time in seconds
## Params: message {String} - Timer description
## Returns: {String} - "hh:mm:ss - $message"
function countdown(){
secs=$1
shift
message=$*
while [ $secs -gt -1 ]
do
sleep 1 &
printf "\r%s - %02d:%02d:%02d" "$message" $((secs/3600)) $(((secs/60)%60)) $((secs%60))
secs=$(( $secs - 1 ))
wait
done
echo
}
### Transforms minutes into seconds
## Params: minutes {Number} - Ammount of minutes to be transformed to seconds
## Returns: {Number} - Seconds
function minutes_to_seconds() {
minutes=$1
echo $(($minutes * 60))
}
### Add minutes to current time
## Params: minutes {Number} - Ammounts of minutes to be added
## Returns: {Date} - Current date plus minutes
function current_time_plus_minutes() {
minutes=$1
date -d "$minutes minutes" +'%H:%M'
}
### Display a summary of the settings defined by the user
## Params: focus_minutes {Number} - Ammount of minutes to last a focus period
## Params: break_minutes {Number} - Ammount of minutes to last a break period
## Params: long_break_minutes {Number} - Ammount of minutes to last a long break period
## Params: breaks_until_long {Number} - Ammount of breaks until a long break period starts
## Returns: {String} - Formatted summary of the settings
function display_summary() {
focus_minutes=$1
break_minutes=$2
long_break_minutes=$3
breaks_until_long=$4
echo "╔════════════════╦════════╗"
echo "║ FOCUS ║ $(printf "%03d\n" $focus_minutes) ║"
echo "║ BREAK ║ $(printf "%03d\n" $break_minutes) ║"
echo "║ LONG BREAK ║ $(printf "%03d\n" $long_break_minutes) ║"
echo "║ BREAKS TL LONG ║ $(printf "%03d\n" $breaks_until_long) ║"
echo "╚════════════════╩════════╝"
}
### Display a help message
## Returns: {String} - Formatted help message with all available settings and options
function display_help() {
echo "Usage: `basename $0` [options] [focus] [break] [long_break] [breaks_until_long]"
echo " options -h: display help message"
echo " focus Minutes of focus until break | Default = 25"
echo " break Minutes of break until focus | Default = 5"
echo " long_break Minutes of long break until focus | Default = 15"
echo " breaks_until_long Number of breaks until long break | Default = 4"
}
### Controls the application flow, parse arguments, show the countdown and notifications
## Params: focus_minutes {Number} - Ammount of minutes to last a focus period
## Params: break_minutes {Number} - Ammount of minutes to last a break period
## Params: long_break_minutes {Number} - Ammount of minutes to last a long break period
## Params: breaks_until_long {Number} - Ammount of breaks until a long break period starts
## Returns: {Void}
function main() {
focus_minutes=${1-25} # default = 25
break_minutes=${2-5} # default = 5
long_break_minutes=${3-15} # default = 15
breaks_until_long=${4-4} # default = 4
focus_seconds=$(minutes_to_seconds $focus_minutes)
break_seconds=$(minutes_to_seconds $break_minutes)
long_break_seconds=$(minutes_to_seconds $long_break_minutes)
display_summary $focus_minutes $break_minutes $long_break_minutes $breaks_until_long
while true; do
for (( i=1; i<=$breaks_until_long; i++ )); do
countdown "$focus_seconds" "FOCUS TIME"
notify "BREAK: $break_minutes MINUTES" "Focus time at $(current_time_plus_minutes $break_minutes)"
if [ $(($i)) -ne $breaks_until_long ]; then
countdown $break_seconds "BREAK TIME"
notify "FOCUS: $focus_minutes MINUTES" "Break time at $(current_time_plus_minutes $focus_minutes)"
else
notify "LONG BREAK: $long_break_minutes MINUTES" "Focus time at $(current_time_plus_minutes $long_break_minutes)"
fi
done
countdown $long_break_seconds "LONG BREAK TIME"
notify "FOCUS: $focus_minutes MINUTES" "Break time at $(current_time_plus_minutes $focus_minutes)"
done
}
## Help message
if [ "$1" == "-h" ]; then
display_help
exit 0
fi
main $1 $2 $3 $4
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