init project

master
Alex 2022-02-22 22:14:11 +01:00
commit 57f10b4f23
10 changed files with 306 additions and 0 deletions

8
config.sample.yaml Normal file
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bot:
homeserver_url: "your_homeserver_url"
user: "your_bot_user"
password: "your_bot_password"
roomId: "news_room_id"
pages:
- page: "school"
update_time: ["03:00", "15:45"]

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data.db Normal file

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go.mod Normal file
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module roese.dev/matrix-development-lauge
go 1.17
require (
github.com/PuerkitoBio/goquery v1.8.0 // indirect
github.com/anaskhan96/soup v1.2.5 // indirect
github.com/andybalholm/cascadia v1.3.1 // indirect
github.com/mattn/go-sqlite3 v1.14.11 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
golang.org/x/crypto v0.0.0-20220213190939-1e6e3497d506 // indirect
golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
golang.org/x/text v0.3.7 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
maunium.net/go/mautrix v0.10.11 // indirect
)

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go.sum Normal file
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github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U=
github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI=
github.com/anaskhan96/soup v1.2.5 h1:V/FHiusdTrPrdF4iA1YkVxsOpdNcgvqT1hG+YtcZ5hM=
github.com/anaskhan96/soup v1.2.5/go.mod h1:6YnEp9A2yywlYdM4EgDz9NEHclocMepEtku7wg6Cq3s=
github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c=
github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/mattn/go-sqlite3 v1.14.11 h1:gt+cp9c0XGqe9S/wAHTL3n/7MqY+siPWgWJgqdsFrzQ=
github.com/mattn/go-sqlite3 v1.14.11/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/tidwall/gjson v1.12.1/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
github.com/tidwall/gjson v1.14.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
github.com/tidwall/sjson v1.2.4/go.mod h1:098SZ494YoMWPmMO6ct4dcFnqxwj9r/gF0Etp19pSNM=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20220213190939-1e6e3497d506 h1:EuGTJDfeg/PGZJp3gq1K+14eSLFTsrj1eg8KQuiUyKg=
golang.org/x/crypto v0.0.0-20220213190939-1e6e3497d506/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd h1:O7DYs+zxREGLKzKoMQrtrEacpb0ZVXA5rIwylE2Xchk=
golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
maunium.net/go/maulogger/v2 v2.3.2/go.mod h1:TYWy7wKwz/tIXTpsx8G3mZseIRiC5DoMxSZazOHy68A=
maunium.net/go/mautrix v0.10.11 h1:u3D5+Ko7Pk0ruVFUAgjfk5E6U5Ys9VVObEGrytr0Hk4=
maunium.net/go/mautrix v0.10.11/go.mod h1:Ynac6y32yvdJC8YiYvWjWp6u1WjVTNq+JssC+07ZZWw=

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main.go Normal file
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package main
import (
"log"
"strings"
"time"
_ "github.com/mattn/go-sqlite3"
"roese.dev/matrix-development-lauge/modules/config"
"roese.dev/matrix-development-lauge/modules/database"
"roese.dev/matrix-development-lauge/pages"
)
func init() {
config.LoadConfig()
database.InitDatabase()
}
func main() {
ticker := time.NewTicker(time.Minute)
cfg := config.Cfg
for _ = range ticker.C {
dt := time.Now()
hour := dt.Format("15")
minute := dt.Format("04")
for _, page := range cfg.Pages {
for _, updateTime := range page.UpdateTime {
updateTimeSplit := strings.Split(updateTime, ":")
if hour == updateTimeSplit[0] && minute == updateTimeSplit[1] {
pages.School()
log.Println("request", page.Page, updateTime, dt)
}
}
}
}
}

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matrix-bot/matrix-bot.go Normal file
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package matrixbot
import (
"maunium.net/go/mautrix"
"maunium.net/go/mautrix/event"
"maunium.net/go/mautrix/format"
"maunium.net/go/mautrix/id"
"roese.dev/matrix-development-lauge/modules/config"
)
func SendMessage(msg string) {
cfg := config.Cfg.Bot
client, err := mautrix.NewClient(cfg.HomeserverUrl, "", "")
if err != nil {
panic(err)
}
_, err = client.Login(&mautrix.ReqLogin{
Type: "m.login.password",
Identifier: mautrix.UserIdentifier{Type: mautrix.IdentifierTypeUser, User: cfg.User},
Password: cfg.Password,
StoreCredentials: true,
})
if err != nil {
panic(err)
}
content := format.RenderMarkdown(msg, false, true)
client.SendMessageEvent(id.RoomID(cfg.RoomId), event.EventMessage, &content)
}

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modules/config/config.go Normal file
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package config
import (
"io/ioutil"
"log"
"gopkg.in/yaml.v2"
)
var Cfg Config
type Config struct {
Pages []PageItem `yaml:"pages,flow"`
Bot Bot
}
type PageItem struct {
Page string
UpdateTime []string `yaml:"update_time,flow"`
}
type Bot struct {
HomeserverUrl string `yaml:"homeserver_url"`
User string
Password string
RoomId string `yaml:"room_id"`
}
func LoadConfig() {
file, err := ioutil.ReadFile("./config.yaml")
if err != nil {
log.Fatalln("failed to load yaml file", err)
}
err = yaml.Unmarshal(file, &Cfg)
if err != nil {
log.Fatalln("failed to unmarshal config", err)
}
}

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package database
import (
"database/sql"
"log"
)
func InitDatabase() {
db := GetDatabase()
defer db.Close()
sqlStmt := `CREATE TABLE IF NOT EXISTS pages (page_id VARCHAR(255), page_title TEXT);`
_, err := db.Exec(sqlStmt)
if err != nil {
log.Printf("%q: %s\n", err, sqlStmt)
return
}
}
func GetDatabase() *sql.DB {
db, err := sql.Open("sqlite3", "./data.db")
if err != nil {
log.Fatal(err)
}
return db
}

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pages/school.go Normal file
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package pages
import (
"database/sql"
"fmt"
"log"
"net/http"
"github.com/PuerkitoBio/goquery"
matrixbot "roese.dev/matrix-development-lauge/matrix-bot"
"roese.dev/matrix-development-lauge/modules/database"
)
func School() {
res, err := http.Get("https://radko-stoeckl-schule.de")
if err != nil {
log.Fatal(err)
}
defer res.Body.Close()
if res.StatusCode != 200 {
log.Fatal("status code")
}
doc, err := goquery.NewDocumentFromReader(res.Body)
if err != nil {
log.Fatal(err)
}
firstListItem := doc.Find(".news-teaser ul li:first-of-type")
latest_page_title := firstListItem.Find("a h4").Text()
db := database.GetDatabase()
defer db.Close()
stmt, err := db.Prepare("SELECT page_title FROM pages WHERE page_id = ?")
if err != nil {
log.Fatal(err)
}
defer stmt.Close()
var pageTitle string
send := false
err = stmt.QueryRow("school").Scan(&pageTitle)
if err == sql.ErrNoRows {
_, err = db.Exec(fmt.Sprintf("INSERT INTO pages(page_id, page_title) values('school', '%s')", latest_page_title))
if err != nil {
log.Fatal(err)
}
send = true
}
if err != nil {
log.Fatal(err)
}
if pageTitle != latest_page_title {
_, err = db.Exec(fmt.Sprintf("UPDATE pages SET page_title = '%s' WHERE page_id = 'school'", latest_page_title))
if err != nil {
log.Fatal(err)
}
send = true
}
if send {
text := firstListItem.Find("a .news-summary").Text()
matrixbot.SendMessage(text)
}
}

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readme.md Normal file
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## This is a bot that automatically sends requests to certain websites and sends a message when a change has been made.