Added event, replacement for sdep

1 files changed, 152 insertions, 0 deletions

diff --git a/event b/event
new file mode 100755
index 0000000..754caa9
--- /dev/null
+++ b/event
@@ -0,0 +1,152 @@
+#!/bin/sh
+
+# Manage events (replacement for https://git.tronto.net/sdep)
+
+# Usage: event [command [argument]]
+# See usage() for details
+
+file="$HOME/box/events" # Change to $XDG_DATA_HOME/events or whatever
+editor=${EDITOR:-vi}
+
+usage() {
+        echo "Usage: event [command]"
+        echo "Commands:"
+        echo "  add [day]    Add a new event (default date: none)"
+        echo "               day: today, t; tomorrow, tm"
+        echo "  clear        Sort and cleanup event file"
+        echo "  edit         Open event file in $editor"
+        echo "  list [date]  List all events on date (default: all events)"
+        echo "               date: now, n; today, t; tomorrow, tm;"
+        echo "                     week, w; nextweek, nw;"
+        echo "                     future, f; past, p"
+}
+
+secondstoday() {
+        if [ "$(uname)" = "Linux" ]; then
+                date -d @$1 +'%Y-%m-%d'
+        else # Assume BSD date
+                date -r $1 +'%Y-%m-%d'
+        fi
+}
+
+secondstomin() {
+        if [ "$(uname)" = "Linux" ]; then
+                date -d @$1 +'%Y-%m-%d %H:%M'
+        else # Assume BSD date
+                date -r $1 +'%Y-%m-%d %H:%M'
+        fi
+}
+
+datetoseconds() {
+        # Read date in YYYY-MM-DD HH:MM format
+        if [ "$(uname)" = "Linux" ]; then
+                date -d "$1 $2" +'%s'
+        else # Assume BSD date
+                date -f '%Y-%m-%d %H:%M' -j "$1 $2" +'%s'
+        fi
+}
+
+dayplus() {
+        d="$1"
+        n="$(datetoseconds today)"
+        echo "$((n+d*60*60*24))"
+}
+monday() { d="$(date +%u)"; dayplus "$((1-d))"; }
+monday1() { d="$(date +%u)"; dayplus "$((8-d))"; }
+monday2() { d="$(date +%u)"; dayplus "$((15-d))"; }
+daydiff() {
+        ar="$1"
+        d="$(date +%u)"
+        case "$ar" in
+                mon|monday)
+                        w=1
+                        ;;
+                tue|tuesday)
+                        w=2
+                        ;;
+                wed|wednesday)
+                        w=3
+                        ;;
+                thu|thursday)
+                        w=4
+                        ;;
+                fri|friday)
+                        w=5
+                        ;;
+                sat|saturday)
+                        w=6
+                        ;;
+                sun|sunday)
+                        w=7
+                        ;;
+                *)
+                        w=0
+                        ;;
+        esac
+        [ "$w" = "0" ] && echo "" || echo "$(((w-d+7) % 7))"
+}
+
+secondsline() {
+        # TODO: this function is not needed, need similar one with weekday
+        line="$(cat)"
+        s="$(datetoseconds $line)"
+        t="$(echo "$line" | sed -E 's/....-..-.. .{1,2}:.. //g')"
+        echo "$s $t"
+}
+
+filterlines() {
+        while read -r line; do
+                s="$(datetoseconds $line)"
+                [ "$s" -ge "$1" ] && [ "$s" -lt "$2" ] && echo "$line"
+        done
+}
+
+list() {
+        if [ -z "$1" ]; then
+                cat
+        elif [ "$1" = "now" ] || [ "$1" = "n" ]; then
+                grep "$(date +'%Y-%m-%d %H:%M')"
+        elif [ "$1" = "today" ] || [ "$1" = "t" ]; then
+                grep "$(date +'%Y-%m-%d')"
+        elif [ "$1" = "tomorrow" ] || [ "$1" = "tm" ]; then
+                grep "$(secondstoday $(dayplus 1))"
+        elif [ "$1" = "week" ] || [ "$1" = "w" ]; then
+                filterlines "$(monday)" "$(monday1)"
+        elif [ "$1" = "nextweek" ] || [ "$1" = "nw" ]; then
+                filterlines "$(monday1)" "$(monday2)"
+        elif [ "$1" = "future" ] || [ "$1" = "f" ]; then
+                filterlines "$(date +%s)" "9999999999"
+        elif [ "$1" = "past" ] || [ "$1" = "p" ]; then
+                filterlines "0" "$(date +%s)"
+        fi
+}
+
+case "$1" in
+        add)
+                if [ "$2" = "today" ] || [ "$2" = "t" ]; then
+                        d="$(date +'%Y-%m-%d')"
+                elif [ "$2" = "tomorrow" ] || [ "$2" = "tm" ]; then
+                        d="$(secondstoday $(dayplus 1))"
+                elif [ -n "$2" ]; then
+                        d="$(secondstoday $(dayplus $(daydiff $2)))"
+                fi
+                [ -n "$d" ] && printf '%s ' "$d"
+                read -r line
+                [ -n "$d" ] && line="$d $line"
+                echo "$line" >> "$file"
+                ;;
+        clear)
+                tmp=$(mktemp)
+                cat "$file" | list future | sort > "$tmp"
+                mv "$tmp" "$file"
+                ;;
+        edit)
+                "$editor" "$file"
+                ;;
+        list)
+                cat "$file" | list $2 | sort
+                ;;
+        *)
+                usage
+                ;;
+esac