commit d51641ee3654d5576daa8c107af5d90f4056d035
Author: Horscchtey <eva.dengler@fau.de>
Date:   Thu Jan 21 00:42:01 2021 +0000

    add new version of bot to raspi \o/

diff --git a/boddle.db b/boddle.db
new file mode 100644
index 0000000..25ec74e
Binary files /dev/null and b/boddle.db differ
diff --git a/boddle.go b/boddle.go
new file mode 100644
index 0000000..9dc42ad
--- /dev/null
+++ b/boddle.go
@@ -0,0 +1,315 @@
+package main
+
+import "strings"
+import "fmt"
+import "regexp"
+import "database/sql"
+import _ "github.com/mattn/go-sqlite3"
+
+type irc_msg struct {
+	channel	string
+	msg		string
+	author	string
+}
+
+type cmd struct {
+	valid	bool
+	add		bool
+	cmd		string
+	groups	[]int
+	suffix	string
+}
+
+var begin_char = []byte{'<'}
+var db *sql.DB
+var err error
+
+func checkErr(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
+
+func in (a byte, arr []byte) bool {
+	for _, x := range arr {
+		if x == a {
+			return true
+		}
+	}
+	return false
+}
+
+func unique(intSlice []int) []int {
+	keys := make(map[int]bool)
+	list := []int{}
+	for _, entry := range intSlice {
+		if _, value := keys[entry]; !value {
+			keys[entry] = true
+			list = append(list, entry)
+		}
+	}
+	return list
+}
+
+// function to split advise message correctly
+func filter(msg string) cmd {
+	var c cmd
+
+	if len(msg) <= 0 {
+		c.valid = false
+		return c
+	}
+
+	c.cmd = ""
+	c.valid = false
+
+	if strings.HasPrefix(msg, "add ") {
+		c.add = true
+		msg = msg[4:]
+	} else {
+		c.add = false
+	}
+
+	if (strings.Contains(msg, "[") && strings.Contains(msg, "]")) {
+		re, _ := regexp.Compile(`\s*(\w*)\s*\[(.*)\]\s*(.*)\s*`)
+		res := re.FindStringSubmatch(msg)
+		if len(res) < 4 {
+			return c
+		}
+
+		c.cmd = res[1]
+		if c.cmd == "" {
+			LOG_WARN.Printf("empty cmd\n")
+			return c
+		}
+
+		// TODO: substitute group names with ids
+		groups := strings.Fields(res[2])
+		for _, i := range groups {
+			task := fmt.Sprintf("select id from groups where name = '%s'", i)
+
+			row, err := db.Query(task)
+			if err != nil {
+				LOG_WARN.Printf("no such column: %s\n", i)
+				return c
+			}
+			group_id := 0
+			if row.Next() { row.Scan(&group_id) }
+			row.Close()
+			if (group_id != 0) {
+				c.groups = append(c.groups, group_id)
+			}
+		}
+		c.suffix = res[3]
+		c.valid = true
+	} else {
+		c.groups = nil
+		re, _ := regexp.Compile(`\s*(\w*)\s*(.*)\s*`)
+		res := re.FindStringSubmatch(msg)
+		if len(res) < 3 {
+			return c
+		}
+		c.cmd = res[1]
+		if c.cmd == "" {
+			return c
+		}
+
+		c.suffix = res[2]
+		c.valid = true
+	}
+	c.cmd = strings.TrimSpace(c.cmd)
+	c.suffix = strings.TrimSpace(c.suffix)
+
+	return c
+}
+
+func getRandomEntry(c cmd) string {
+	// TODO: increment counter
+	// if database entry exists: set tag / group and run query
+	task :=            "select distinct l.content from line l, brain b, tag t"
+	if len(c.groups) > 0 {
+		task = fmt.Sprintf("%s, groups g", task)
+	}
+	task = fmt.Sprintf("%s where l.id = b.line_id and t.id = b.tag_id", task)
+	task = fmt.Sprintf("%s and t.id = %s", task, c.cmd)
+	if len(c.groups) > 0 {
+		task = fmt.Sprintf("%s and g.id = b.group_id and (", task)
+		for i, group := range c.groups {
+			task = fmt.Sprintf("%sg.id = %d", task, group)
+			if i < (len(c.groups) - 1) {
+				task = fmt.Sprintf("%s or ", task)
+			} else {
+				task = fmt.Sprintf("%s)", task)
+			}
+		}
+	}
+	return fmt.Sprintf("%s ORDER BY RANDOM() LIMIT 1", task)
+}
+
+// line:
+// >befehl <[groups]> <name>
+// befehl ist genau ein wort
+func parsemsg(msg irc_msg, foo bot) bool {
+	if len(msg.msg) <= 0 {
+		return false
+	}
+	if !in(msg.msg[0], begin_char) {
+		return false
+	}
+	msg.msg = msg.msg[1:]
+
+	c := filter(msg.msg)
+	if !c.valid {
+		LOG_WARN.Printf("non valid input found.\n")
+		return false
+	}
+	if c.cmd == "" {
+		LOG_WARN.Printf("no command provided.\n")
+		return false
+	}
+
+	sorter_row, err := db.Query(fmt.Sprintf("select id, tag_id, groups_allow, name_allow, has_groups from sorter where name = '%s'", c.cmd))
+	checkErr(err)
+	if sorter_row.Next() {
+		var sorter_id string
+		var tag_id string
+		var groups_allow int
+		var name_allow int
+		var has_groups int
+		sorter_row.Scan(&sorter_id, &tag_id, &groups_allow, &name_allow, &has_groups)
+
+		if groups_allow != 0 {
+			// warning: not allowed
+			c.groups = nil // use c.groups[:0] to keep allocated space
+		}
+		if name_allow != 0 && !c.add {
+			// warning: not allowed
+			c.suffix = ""
+		}
+
+		c.cmd = tag_id
+
+		if has_groups == 0 {
+			sorter_groups_row, err := db.Query(fmt.Sprintf("select group_id from sorter_groups where sorter_id = '%s'", sorter_id))
+			checkErr(err)
+			if sorter_groups_row.Next() {
+				var group_id int
+				sorter_groups_row.Scan(&group_id)
+				c.groups = append(c.groups, group_id)
+			}
+			sorter_groups_row.Close()
+		}
+		c.groups = unique(c.groups)
+		sorter_row.Close()
+	} else {
+		LOG_WARN.Printf("no sorter entry, no translation possible\n")
+		return false
+	}
+
+	if c.add {
+		if (len(c.suffix) <= 0) {
+			return false;
+		}
+		// insert into database
+		statement, err := db.Prepare("insert into line (content, author) values (?,?)")
+		checkErr(err)
+		_, err = statement.Exec(c.suffix, msg.author)
+		checkErr(err)
+		defer statement.Close()
+
+		// get ID of content...
+		task := fmt.Sprintf("select l.id from line l where l.content = '%s'", c.suffix)
+		row, err := db.Query(task)
+		checkErr(err)
+		line_id := 0
+		if row.Next() { row.Scan(&line_id) }
+		row.Close()
+		LOG_INFO.Printf(c.cmd)
+		if line_id == 0 {
+			LOG_WARN.Printf("no entry for adding")
+			return false
+		}
+
+		// for tag and all groups
+		if len(c.groups) == 0 {
+			stat, err := db.Prepare("insert into brain(line_id, tag_id) values (?,?)")
+			checkErr(err)
+			_, err = stat.Exec(line_id, c.cmd)
+			checkErr(err)
+			LOG_INFO.Printf("inserted foo! \n")
+			defer stat.Close()
+		} else {
+			stat, err := db.Prepare("insert into brain(line_id, tag_id, group_id) values (?,?,?)")
+			checkErr(err)
+			for _, group := range c.groups {
+				_, err = stat.Exec(line_id, c.cmd, group)
+				checkErr(err)
+			}
+			LOG_INFO.Printf("inserted foo! \n")
+			defer stat.Close()
+		}
+		return true
+	}
+
+	task := getRandomEntry(c)
+
+	LOG_INFO.Printf(task)
+	row, err := db.Query(task)
+	checkErr(err)
+	res := ""
+	if row.Next() {
+		row.Scan(&res)
+	}
+	row.Close()
+
+	if len(res) <= 0 {
+		LOG_WARN.Printf("no entry found\n")
+		res = "No matching entry found :("
+	} else if len(c.suffix) > 0 {
+		res = fmt.Sprintf("%s... %s", c.suffix, res)
+	}
+	sendmsg(foo.conn, msg.channel, res)
+
+	return true
+}
+
+/*
+func test() {
+	db, err = sql.Open("sqlite3", "./boddle.db")
+	checkErr(err)
+	var msg irc_msg
+	msg.channel = "testchannel"
+	msg.author = "max mustermann"
+
+	// == invalid commands ==
+	// empty cmd
+	msg.msg = ">add      [test me bro hahahaha] blob"
+	parsemsg(msg)
+	msg.msg = ">  [test me bro hahahaha]"
+	parsemsg(msg)
+	msg.msg = ">[test me bro hahahaha] meow   "
+	parsemsg(msg)
+	msg.msg = ">add [test me bro hahahaha] meow   "
+	parsemsg(msg)
+
+	// non-existent groups
+	msg.msg = ">ohai [test me bro hahahaha]"
+	parsemsg(msg)
+
+	// add command...? not implemented yet!
+	msg.msg = ">add jokes blob"
+	parsemsg(msg)
+	msg.msg = ">add test [test me bro hahahaha] meow   "
+	parsemsg(msg)
+
+	// ok command \o/
+	msg.msg = ">flirt [sweet] meow   "
+	parsemsg(msg)
+	msg.msg = ">jokes [flach] meow   "
+	parsemsg(msg)
+	msg.msg = ">hate [sweet] blobfisch   "
+	parsemsg(msg)
+	msg.msg = ">radschlag [science]"
+	parsemsg(msg)
+}
+*/
diff --git a/bot.go b/bot.go
new file mode 100644
index 0000000..2559d02
--- /dev/null
+++ b/bot.go
@@ -0,0 +1,53 @@
+package main
+
+import (
+	"os"
+	"fmt"
+	"net"
+	"time"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+var dead = true
+
+type bot struct {
+	name	string
+	channel	[]string
+	port	int
+	server	string
+	conn	net.Conn
+}
+
+func main() {
+	LOG_init()
+
+	boddle := bot {
+		name: "boddle",
+		channel: []string{"#faui2k16", "#fau", "#sigbike", "#sigfreibad", "#faui2k17"},
+		port: 6667,
+		server: "irc.fau.de",
+	}
+
+	LOG_INFO.Println("bot started!")
+
+	var botchan <-chan []byte
+	var line []byte
+	dead = true
+
+	for {
+		if dead {
+			LOG_WARN.Println("died.")
+			for {
+				botchan = connect(boddle)
+				if botchan != nil {
+					break
+				}
+				time.Sleep(10 * time.Second)
+			}
+			LOG_INFO.Println("reconnected.")
+			dead = false
+		}
+		line = <-botchan
+		fmt.Fprintf(os.Stderr, string(line))
+	}
+}
diff --git a/bot.py b/bot.py
new file mode 100644
index 0000000..d623236
--- /dev/null
+++ b/bot.py
@@ -0,0 +1,85 @@
+from telegram.ext import Updater
+from telegram.ext import CommandHandler
+from telegram.ext import MessageHandler
+from telegram.ext import Filters
+from telegram import InlineQueryResultArticle, InputTextMessageContent
+import random
+import logging
+
+import sqlite3 as sql
+
+# updater
+updater = Updater(token='935673062:AAH4By1EMqAUaD9wgnV3lZQRRBX6e5Lve6g', use_context=True)
+
+# sqlite database
+connection = sql.connect("/home/horscchtey/bots/boddle/src/v2/boddle.db", check_same_thread=False)
+cursor = connection.cursor()
+
+dispatcher = updater.dispatcher
+
+# enable logging
+logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+        level=logging.INFO)
+
+########### routinen ##########
+def start(update, context):
+    context.bot.send_message(chat_id=update.effective_chat.id, text="I am your new source of bad jokes")
+
+def kaffee(update, context):
+    cursor.execute("select distinct l.content from line l, brain b, tag t where l.id = b.line_id and t.id = b.tag_id and t.id = 8 ORDER BY RANDOM() LIMIT 1")
+    selection = []
+    result = cursor.fetchall()
+    for r in result:
+        selection.append(r[0])
+    context.bot.send_message(chat_id=update.effective_chat.id, text=str(selection[0]))
+
+def radschlag(update, context):
+    cursor.execute("select distinct l.content from line l, brain b, tag t where l.id = b.line_id and t.id = b.tag_id and t.id = 3 ORDER BY RANDOM() LIMIT 1")
+    selection = []
+    result = cursor.fetchall()
+    for r in result:
+        selection.append(r[0])
+    context.bot.send_message(chat_id=update.effective_chat.id, text=str(selection[0]))
+
+def flirt(update, context):
+    cursor.execute("select distinct l.content from line l, brain b, tag t where l.id = b.line_id and t.id = b.tag_id and t.id = 1 ORDER BY RANDOM() LIMIT 1")
+    selection = []
+    result = cursor.fetchall()
+    for r in result:
+        selection.append(r[0])
+    context.bot.send_message(chat_id=update.effective_chat.id, text=str(selection[0]))
+
+def jokes(update, context):
+    cursor.execute("select distinct l.content from line l, brain b, tag t where l.id = b.line_id and t.id = b.tag_id and t.id = 4 ORDER BY RANDOM() LIMIT 1")
+    selection = []
+    result = cursor.fetchall()
+    for r in result:
+        selection.append(r[0])
+    context.bot.send_message(chat_id=update.effective_chat.id, text=str(selection[0]))
+
+def unknown(update, context):
+    context.bot.send_message(chat_id=update.effective_chat.id, text="Sorry, I didn't understand that command.")
+
+#inline
+
+start_handler = CommandHandler('start', start)
+dispatcher.add_handler(start_handler)
+
+flirt_handler = CommandHandler('flirt', flirt)
+dispatcher.add_handler(flirt_handler)
+
+radschlag_handler = CommandHandler('radschlag', radschlag)
+dispatcher.add_handler(radschlag_handler)
+
+kaffee_handler = CommandHandler('kaffee', kaffee)
+dispatcher.add_handler(kaffee_handler)
+coffee_handler = CommandHandler('coffee', kaffee)
+dispatcher.add_handler(coffee_handler)
+
+jokes_handler = CommandHandler('jokes', jokes)
+dispatcher.add_handler(jokes_handler)
+
+unknown_handler = MessageHandler(Filters.command, unknown)
+dispatcher.add_handler(unknown_handler)
+
+updater.start_polling()
diff --git a/forraspidothis b/forraspidothis
new file mode 100755
index 0000000..3c8aefb
--- /dev/null
+++ b/forraspidothis
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+export GOPATH=/home/horscchtey/go
+
+env CC=arm-linux-gnueabihf-gcc CXX=arm-linux-gnueabihf-g++ \
+    CGO_ENABLED=1 GOOS=linux GOARCH=arm GOARM=7 \
+    go build bot.go boddle.go logging.go ircfoo.go
+
+mv bot boddle_executable
diff --git a/ircfoo.go b/ircfoo.go
new file mode 100644
index 0000000..6af8c30
--- /dev/null
+++ b/ircfoo.go
@@ -0,0 +1,98 @@
+package main
+
+import (
+	"fmt"
+	"net"
+	"os"
+	"bufio"
+	"bytes"
+	"strings"
+	"database/sql"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+func sendmsg (conn net.Conn, channel string, msg string) {
+	mesg := fmt.Sprintf("PRIVMSG %s :%s\r\n", channel, msg)
+	fmt.Printf(mesg)
+	conn.Write([]byte(mesg))
+}
+
+func scanline_privmsg (msg string) irc_msg {
+	var irc irc_msg
+
+	msg = msg[1:]
+	t := strings.Split(msg, "!")
+	irc.author, irc.channel = t[0], t[1]
+	t = strings.Split(irc.channel, "PRIVMSG ")
+	irc.channel = t[1]
+	t = strings.Split(irc.channel, " :")
+	irc.channel, irc.msg = t[0], t[1]
+	t = strings.Split(irc.msg, "\r\n")
+	irc.msg = strings.TrimSpace(t[0])
+	if ! strings.HasPrefix(irc.channel, "#") {
+		irc.channel = irc.author
+	}
+	return irc
+}
+
+func listenToIRC (foo bot) <-chan []byte {
+	c := make(chan []byte)
+	reader := bufio.NewReader(foo.conn)
+	db, err = sql.Open("sqlite3", "./boddle.db")
+	if err != nil {
+		LOG_ERR.Printf("opening database failed")
+		return nil
+	}
+
+	var line []byte
+	var err error
+
+	go func() {
+		for {
+			line, err = reader.ReadBytes('\n')
+			if err != nil {
+				LOG_ERR.Printf("Error while reading bytes from connection.\n")
+				dead = true
+				c <- []byte("killed it")
+				return
+			}
+
+			c <- line
+
+			if bytes.Contains([]byte(line), []byte("PING :")) {
+				v := []byte(bytes.Replace([]byte(line), []byte("PING"), []byte("PONG"), 1))
+				fmt.Printf(string(v[:]))
+				foo.conn.Write(v)
+				continue
+			}
+
+			if !bytes.Contains([]byte(line), []byte("PRIVMSG")) {
+				continue
+			}
+
+			parsemsg(scanline_privmsg(string(line)), foo)
+		}
+	} ()
+	return c
+}
+
+func connect(boddle bot) <-chan []byte {
+	conn, err := net.Dial("tcp", fmt.Sprintf("%s:%d", boddle.server, boddle.port))
+
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error while dialing server.")
+		LOG_ERR.Printf("Error while connecting to server.")
+		return nil
+	}
+
+	boddle.conn = conn
+
+	/* connect to irc */
+	fmt.Fprintf(boddle.conn, "NICK %s\r\n", boddle.name)
+	fmt.Fprintf(boddle.conn, "USER %s 1 1 1:%s\r\n", boddle.name, boddle.name)
+	for _, channel := range(boddle.channel) {
+		fmt.Fprintf(boddle.conn, "JOIN %s\r\n", channel)
+	}
+
+	return listenToIRC(boddle)
+}
diff --git a/logging.go b/logging.go
new file mode 100644
index 0000000..3a905d1
--- /dev/null
+++ b/logging.go
@@ -0,0 +1,24 @@
+package main
+
+import (
+	"log"
+	"os"
+)
+
+var (
+	LOG_WARN	*log.Logger
+	LOG_INFO	*log.Logger
+	LOG_ERR		*log.Logger
+)
+
+func LOG_init() {
+    file, err := os.OpenFile("logs.txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)
+    if err != nil {
+        log.Fatal(err)
+    }
+	defer file.Close()
+
+    LOG_INFO = log.New(file, "INFO: ", log.Ldate|log.Ltime|log.Lshortfile)
+    LOG_WARN = log.New(file, "WARNING: ", log.Ldate|log.Ltime|log.Lshortfile)
+    LOG_ERR  = log.New(file, "ERROR: ", log.Ldate|log.Ltime|log.Lshortfile)
+}