mirror of
https://github.com/lyx0/nourybot.git
synced 2024-11-13 19:49:55 +01:00
145 lines
3.2 KiB
Go
145 lines
3.2 KiB
Go
package main
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import (
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"context"
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"database/sql"
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"log"
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"os"
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"time"
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"github.com/gempir/go-twitch-irc/v3"
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"github.com/joho/godotenv"
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_ "github.com/lib/pq"
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"github.com/lyx0/nourybot/internal/data"
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"github.com/lyx0/nourybot/pkg/common"
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"go.uber.org/zap"
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)
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type config struct {
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twitchUsername string
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twitchOauth string
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environment string
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db struct {
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dsn string
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maxOpenConns int
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maxIdleConns int
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maxIdleTime string
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}
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}
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type Application struct {
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TwitchClient *twitch.Client
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Logger *zap.SugaredLogger
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Db *sql.DB
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Models data.Models
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}
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func main() {
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var cfg config
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// Initialize a new sugared logger that we'll pass on
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// down through the application.
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sugar := zap.NewExample().Sugar()
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defer sugar.Sync()
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err := godotenv.Load()
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if err != nil {
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log.Fatal("Error loading .env file")
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}
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// Twitch
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cfg.twitchUsername = os.Getenv("TWITCH_USERNAME")
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cfg.twitchOauth = os.Getenv("TWITCH_OAUTH")
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tc := twitch.NewClient(cfg.twitchUsername, cfg.twitchOauth)
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// Environment
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cfg.environment = "Development"
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// Database
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cfg.db.dsn = os.Getenv("DB_DSN")
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cfg.db.maxOpenConns = 25
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cfg.db.maxIdleConns = 25
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cfg.db.maxIdleTime = "15m"
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db, err := openDB(cfg)
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if err != nil {
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sugar.Fatal(err)
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}
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// Initialize Application
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app := &Application{
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TwitchClient: tc,
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Logger: sugar,
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Db: db,
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Models: data.NewModels(db),
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}
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// Received a PrivateMessage (normal chat message).
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app.TwitchClient.OnPrivateMessage(func(message twitch.PrivateMessage) {
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app.handlePrivateMessage(message)
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})
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// Received a WhisperMessage (Twitch DM).
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app.TwitchClient.OnWhisperMessage(func(message twitch.WhisperMessage) {
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app.handleWhisperMessage(message)
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})
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// Successfully connected to Twitch
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app.TwitchClient.OnConnect(func() {
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app.Logger.Infow("Successfully connected to Twitch Servers",
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"Bot username", cfg.twitchUsername,
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"Environment", cfg.environment,
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"Database Open Conns", cfg.db.maxOpenConns,
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"Database Idle Conns", cfg.db.maxIdleConns,
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"Database Idle Time", cfg.db.maxIdleTime,
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"Database", db.Stats(),
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)
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// Start time
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common.StartTime()
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common.Send("nourylul", "xd", app.TwitchClient)
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})
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app.TwitchClient.Join("nourylul")
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// Actually connect to chat.
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err = app.TwitchClient.Connect()
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if err != nil {
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panic(err)
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}
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}
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// openDB returns the sql.DB connection pool.
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func openDB(cfg config) (*sql.DB, error) {
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// sql.Open() creates an empty connection pool with the provided DSN
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db, err := sql.Open("postgres", cfg.db.dsn)
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if err != nil {
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return nil, err
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}
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// Set database restraints.
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db.SetMaxOpenConns(cfg.db.maxOpenConns)
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db.SetMaxIdleConns(cfg.db.maxIdleConns)
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// Parse the maxIdleTime string into an actual duration and set it.
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duration, err := time.ParseDuration(cfg.db.maxIdleTime)
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if err != nil {
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return nil, err
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}
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db.SetConnMaxIdleTime(duration)
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// Create a new context with a 5 second timeout.
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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// db.PingContext() is needed to actually check if the
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// connection to the database was successful.
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err = db.PingContext(ctx)
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if err != nil {
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return nil, err
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}
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return db, nil
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}
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