support old time format

Co-authored-by: eeemsi <eeemsi+git-uugrn@gmail.com>
Reviewed-on: #1
Co-authored-by: eeemsi <eeemsi@noreply.git.uugrn.org>
Co-committed-by: eeemsi <eeemsi@noreply.git.uugrn.org>

start.sh

@@ -1,12 +1,8 @@
 #!/bin/sh
 
-trap cleanup 1 2 3 6 9 11
-cleanup() { kill $PID; }
-
-
 BOTNICK="uugbot"
 SERVER="irc.uugrn.org"
-PORT="6660"
+PORT="6670"
 CHANNEL="#uugrn"
 
 BOTDIR="$PWD"
@@ -14,17 +10,16 @@ BOTDIR="$PWD"
 IRCIN="$BOTDIR/irc/$SERVER/$CHANNEL/in"
 IRCOUT="$BOTDIR/irc/$SERVER/$CHANNEL/out"
 
+###
+### FUNCTIONS ###
+###
+
 # $1 message
 say() {
     echo "out> $1"
     echo "$1" > $IRCIN
     sleep 1
 }
-# $1 message
-reply() {
-    echo "out> $1: $2"
-    echo "$NICK: $2" > $IRCIN
-}
 
 settopic() {
     curl -s "https://vorstand.uugrn.org/Kalender/Termine.rem" \
@@ -46,7 +41,7 @@ settopic() {
                 | cut -d"|" -f1 \
                 | sed 's/ $//g')
 
-        say "/topic $CHANNEL :Willkommen bei der UUGRN | Nächstes event: $text am $date um $time Uhr."
+        say "/topic $CHANNEL :Willkommen bei der UUGRN | Nächste Veranstaltung: $text am $date um $time Uhr."
     done
 }
 
@@ -77,7 +72,7 @@ kalender() {
                 | cut -d" " -f 3- \
                 | cut -d"|" -f 2-)
 
-        if echo "$line" | fgrep ' |'
+        if echo "$line" | fgrep -q ' |'
         then
             say "Am $date um $time Uhr findet \"$text\" im \"$loc\" statt."
         else
@@ -89,7 +84,6 @@ kalender() {
 # $1 nick
 # $2 -1 decrease, +1 increase
 savekarma() {
-    mkdir -p $BOTDIR/karma
     [ ! -f "$BOTDIR/karma/$1" ] \
         && echo 0 > "$BOTDIR/karma/$1"
 
@@ -101,28 +95,20 @@ savekarma() {
 
 # $1 nick
 reportkarma() {
-    if [ -z "$1" ]
-    then
-        n=$NICK
-    else
-        n=$1
-    fi
+    n=$1
+    [ -z "$n" ] \
+        && n=$NICK
+
     if [ ! -f "$BOTDIR/karma/$n" ]
     then
-        if [ "$n" == "$NICK" ]
-        then
-            say "Du hast bisher leider noch keine Gummipunkte gesammelt, $n."
-        else
-            say "$n hat leider noch keine Gummipunkte gesammelt."
-        fi
+        [ "$n" == "$NICK" ] \
+            && say "Du hast bisher leider noch keine Gummipunkte gesammelt, $n." \
+            || say "$n hat leider noch keine Gummipunkte gesammelt."
     else
         cur=$(cat "$BOTDIR/karma/$n")
-        if [ "$n" == "$NICK" ]
-        then
-            say "Du hast momentan $cur Gummipunkt(e), $n."
-        else
-            say "$n hat momentan $cur Gummipunkt(e)."
-        fi
+        [ "$n" == "$NICK" ] \
+            && say "Du hast momentan $cur Gummipunkt(e), $n." \
+            || say "$n hat momentan $cur Gummipunkt(e)."
     fi
 }
 
@@ -131,24 +117,20 @@ karma() {
     n="$(echo "$1" | tr -d "+-")"
     [ -z "$n" ] && return
 
-    if [ "$n" == "$(echo "$NICK" | tr '[:upper:]' '[:lower:]' )" ]
-    then
-        say "So aber nicht mein lieber $NICK!"
-        return
-    fi
+    [ "$n" == "$(echo "$NICK" | tr '[:upper:]' '[:lower:]' )" ] \
+        && say "So aber nicht mein lieber $NICK!" && return
 
-    echo "$1" | fgrep "++" \
+    echo "$1" | fgrep -q -- "++" \
         && savekarma $n "+1"
-    echo "$1" | fgrep -- "--" \
+    echo "$1" | fgrep -q -- "--" \
         && savekarma $n "-1"
-    echo "$1" | fgrep "+-" \
+    echo "$1" | fgrep -q -- "+-" \
         && say "Echt jetzt, $NICK?"
-    echo "$1" | fgrep -- "-+" \
+    echo "$1" | fgrep -q -- "-+" \
         && say "Echt jetzt, $NICK?"
 }
 transparenzbericht() {
-    mkdir -p "$BOTDIR/karma"
-    cd $BOTDIR/karma || return
+    cd $BOTDIR/karma
     say "Gummipunkte Transparenzbericht:"
     for i in $(ls)
     do
@@ -160,7 +142,16 @@ seen() {
     [ -z "$1" ] && return
     if [ -f "$BOTDIR/seen/$1" ]
     then
-        say "$(cat "$BOTDIR/seen/$1")"
+        _l="$(cat "$BOTDIR/seen/$1")"
+        _ts="$(echo "$_l" | cut -d" " -f1)"
+        _msg="$(echo "$_l" | cut -d" " -f2-)"
+        _dt="$(date -r "$_ts" +"%Y-%m-%d %H:%M")"
+        if [ -z $_dt ]
+        then
+            say "$_l"
+        else
+            say "$_dt: $_msg"
+        fi
     else
         say "Hmm, ich habe keine Ahnung wann $1 zum letzten mal online war."
     fi
@@ -181,60 +172,106 @@ usage() {
 
 # $1 loc
 weather() {
-    if [ -z "$1" ]
-    then
-        l=heidelberg
-    else
-        l=$1
-    fi
-    say "$(curl -s "https://wttr.in/$l?lang=de&format=%l:+%t+%C+%w+%h+Regen")"
+    param=$1
+
+    [ -z $param ] \
+        && param=Heidelberg,DE
+
+    echo "$param" | fgrep -q "," \
+        || param="$param,DE"
+
+
+    DATA=$(curl -s "https://api.openweathermap.org/data/2.5/weather?q=$param&lang=de&units=metric&appid=a4c6e6d6beba2ff733ed81b7e2cac530")
+    #DATA=$(cat test.json)
+
+    RESPONSE=$(echo "$DATA" \
+        | jq -rc '.name,[.main.temp, .weather[].description][], .main.humidity, .wind.speed' 2> /dev/null \
+        | awk ' \
+               NR == 1 { printf("Wetter in %s: ", $0) } \
+               NR == 2 { printf("%.0d°C, ", $0) } \
+               NR == 3 { printf("%s", $0) } \
+               NR == 4 { printf(" (%d%%), ", $0) } \
+               NR == 5 { printf("Wind: %.0dkm/h", $0) } \
+            ')
+
+    case "$RESPONSE" in
+        *null:*) RESPONSE="$param konnte nicht gefunden werden. Usage: !wetter <stadt>[,<länderkürzel>]"
+    esac
+
+    say "$RESPONSE"
+
 }
 
+
+
+###
+### MAIN PROGRAM ###
+###
+
 mkdir -p "$BOTDIR/irc"
 mkdir -p "$BOTDIR/seen"
 mkdir -p "$BOTDIR/karma"
 cd "$BOTDIR"
 
+# Connect ii and join channel. Afterwards $IRCIN and $IRCOUT are
+# available
+
 echo "connecting."
-ii -i $BOTDIR/irc -s $SERVER -p $PORT -n $BOTNICK &
+ii -i $BOTDIR/irc -s $SERVER -t -p $PORT -n $BOTNICK &
 PID=$!
-sleep 1
+
+# wait until the background process is ready
+sleep 6
 echo "/join $CHANNEL" > $BOTDIR/irc/$SERVER/in
 sleep 1
-
 echo "ready."
 
+# Listen on $IRCOUT, parse input and call functions once something
+# of interest gets posted.
 tail -n 0 -f "$IRCOUT" \
     | while read -r line
 do
     NICK=$(echo "$line" \
                 | sed -n 's/^....-..-.. ..:.. <\([^>]*\).*/\1/p')
 
-    if [ "$NICK" == "$BOTNICK" ]
+    if [ -z "$NICK" ]
     then
-        # prevent loops
-        continue
+
+    # the newer ii is using unix timestamps
+    NICK=$(echo "$line" \
+                | sed -n 's/^[0-9]* <\([^>]*\).*/\1/p')
     fi
 
+    # prevent loops; so the bot can't trigger itself.
+    [ "$NICK" == "$BOTNICK" ] \
+        && continue
+
+    # if we still have no nick here, we better stop to prevent excuting
+    # events from non-users (actions, IRC events etc...)
+    [ -z "$NICK" ] \
+        && continue
+
     COMMAND=$(echo "$line" \
                 | tr '[:upper:]' '[:lower:]' \
                 | sed -n 's|.*\(![a-z]*\).*|\1|p')
 
+    # intentionally limiting the argument to one and also limit the
+    # character set for safety reasons.
     ARG=$(echo "$line" \
                 | tr '[:upper:]' '[:lower:]' \
-                | sed -n 's|.*![a-z]* \([a-zA-Z0-9\-_+]*\).*|\1|p')
+                | sed -n 's|.*![a-z]* \([a-zA-Z0-9,\-_+]*\).*|\1|p')
 
+    # We call it gummipunkte now.
     KARMA=$(echo "$line" \
                 | tr '[:upper:]' '[:lower:]' \
-                | sed -n 's|.* \([a-zA-Z0-9\-_]*[+-][+-]\).*|\1|p')
+                | sed  -n 's|.* \([a-zA-Z0-9\-_]*[+-][+-]\)$|\1|p;s|.* \([a-zA-Z0-9\-_]*[+-][+-]\) .*|\1|p')
 
     echo "in> $line"
     echo "in> NICK=$NICK, COMMAND=$COMMAND, ARG=$ARG, KARMA=$KARMA"
 
-    if [ ! -z "$NICK" ]
-    then
-        echo "$line" > "$BOTDIR/seen/$NICK"
-    fi
+    # we just save the line and replay it on the !seen command
+    [ ! -z "$NICK" ] \
+        && echo "$line" > "$BOTDIR/seen/$NICK"
 
     case "$COMMAND" in
         "!kalender") kalender $ARG; ;;
@@ -245,9 +282,8 @@ do
         "!settopic") settopic; ;;
         "!seen") seen $ARG; ;;
     esac
+
     case "$KARMA" in
         *[+-][+-]) karma $KARMA; ;;
     esac
 done
-
-kill $PID