initial commit (basic functionality)

1 files changed, 55 insertions, 0 deletions

diff --git a/core/update b/core/update
new file mode 100644
index 0000000..04fd29c
--- /dev/null
+++ b/core/update
@@ -0,0 +1,55 @@
+#!/bin/sh
+export now="$(date +%s.%N)"
+
+update_time=0
+
+mkdir -p "$POMODORO_STATE_PATH"
+load_or_init() {
+	property="$1"
+	default_value="$2"
+	property_path="$POMODORO_STATE_PATH/$property"
+	if [ -f "$property_path" ] ; then
+		eval $property='"$(cat "$property_path")"'
+	else
+		eval $property='$default_value'
+	fi
+}
+[ -z "$lap" ] && load_or_init lap 0
+[ -z "$state" ] && load_or_init state 'reset'
+[ -z "$time" ] && load_or_init time 0.0
+[ "$time" = "0.0" ] && update_time=1
+
+# calculate remaining time on timer
+if [ -z "$remaining" ] ; then
+	remaining="$time"
+	[ "$state" = 'running' ] && remaining="$(echo "( $time - $now ) / 1" | bc)"
+fi
+
+# go to next lap if this timer expired
+if [ "$state" = 'running' ] && [ "${remaining#-}" != "${remaining}" ] ; then
+	lap=$(( $lap + 1 ))
+	state='paused'
+	update_time=1
+fi
+
+# update remaining time if in reset
+[ "$state" = 'reset' ] && update_time=1
+
+if [ $update_time -eq 1 ] ; then
+	time="$POMODORO_NORMAL_DURATION"
+	[ $(( $lap % $POMODORO_BREAK_SHORT_INTERVAL )) -eq $(( $POMODORO_BREAK_SHORT_INTERVAL - 1 )) ] && time=$POMODORO_BREAK_SHORT_DURATION
+	[ $(( $lap % $POMODORO_BREAK_LONG_INTERVAL )) -eq $(( $POMODORO_BREAK_LONG_INTERVAL - 1 )) ] && time=$POMODORO_BREAK_LONG_DURATION
+	remaining="$time"
+fi
+
+# save state
+save_state() {
+	mkdir -p "$POMODORO_STATE_PATH"
+	echo "$lap" > "$POMODORO_STATE_PATH/lap"
+	echo "$state" > "$POMODORO_STATE_PATH/state"
+	echo "$time" > "$POMODORO_STATE_PATH/time"
+}
+
+# export state variables
+export lap state time
+