implement a few commands

cmd/nourybot/commands.go

@@ -58,6 +58,21 @@ func (app *application) handleCommand(message twitch.PrivateMessage) {
 			reply = "xd"
 		}
 
+	case "bttv":
+		if msgLen < 2 {
+			reply = "Not enough arguments provided. Usage: ()bttv <emote name>"
+		} else {
+			reply = commands.Bttv(cmdParams[1])
+		}
+
+		// Coinflip
+	case "coin":
+		reply = commands.Coinflip()
+	case "coinflip":
+		reply = commands.Coinflip()
+	case "cf":
+		reply = commands.Coinflip()
+
 	case "nourybot":
 		reply = "Lidl Twitch bot made by @nourylul. Prefix: ()"
 
@@ -65,6 +80,16 @@ func (app *application) handleCommand(message twitch.PrivateMessage) {
 		reply = commands.Ping()
 		// ()bttv <emote name>
 
+		// ()weather <location>
+	case "weather":
+		if msgLen == 1 {
+			reply = "Not enough arguments provided."
+		} else if msgLen < 2 {
+			reply = "Not enough arguments provided."
+		} else {
+			reply, _ = commands.Weather(message.Message[10:len(message.Message)])
+		}
+
 		// ##################
 		// Check if the commandName exists as the "name" of a command in the database.
 		// if it doesnt then ignore it.

go.mod

@@ -17,6 +17,7 @@ require (
 )
 
 require (
+	github.com/briandowns/openweathermap v0.19.0
 	github.com/dustin/go-humanize v1.0.1
 	github.com/golang-jwt/jwt v3.2.1+incompatible // indirect
 	github.com/joho/godotenv v1.5.1

go.sum

@@ -1,4 +1,6 @@
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
+github.com/briandowns/openweathermap v0.19.0 h1:nkopLMEtZLxbZI1th6dOG6xkajpszofqf53r5K8mT9k=
+github.com/briandowns/openweathermap v0.19.0/go.mod h1:0GLnknqicWxXnGi1IqoOaZIw+kIe5hkt+YM5WY3j8+0=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=

internal/commands/bttv.go

@@ -0,0 +1,11 @@
+package commands
+
+import (
+	"fmt"
+)
+
+func Bttv(query string) string {
+	reply := fmt.Sprintf("https://betterttv.com/emotes/shared/search?query=%s", query)
+
+	return reply
+}

internal/commands/coinflip.go

@@ -0,0 +1,21 @@
+package commands
+
+import (
+	"github.com/lyx0/nourybot/internal/common"
+)
+
+func Coinflip() string {
+	flip := common.GenerateRandomNumber(2)
+	var reply string
+
+	switch flip {
+	case 0:
+		reply = "Heads!"
+	case 1:
+		reply = "Tails!"
+	default:
+		reply = "Heads!"
+	}
+
+	return reply
+}

internal/commands/commands.go

@@ -0,0 +1,8 @@
+package commands
+
+import "errors"
+
+var (
+	ErrInternalServerError     = errors.New("internal server error")
+	ErrWeatherLocationNotFound = errors.New("location not found")
+)

internal/commands/weather.go

@@ -0,0 +1,47 @@
+package commands
+
+import (
+	"fmt"
+	"os"
+
+	owm "github.com/briandowns/openweathermap"
+	"github.com/joho/godotenv"
+)
+
+// Weather queries the OpenWeatherMap Api for the given location and sends the
+// current weather response to the target twitch chat.
+func Weather(location string) (string, error) {
+	err := godotenv.Load()
+	if err != nil {
+		return "", ErrInternalServerError
+	}
+	owmKey := os.Getenv("OWM_KEY")
+
+	w, err := owm.NewCurrent("C", "en", owmKey)
+	if err != nil {
+		return "", ErrInternalServerError
+	}
+
+	if err := w.CurrentByName(location); err != nil {
+		return "", ErrInternalServerError
+	}
+
+	// Longitude and Latitude are returned as 0 when the supplied location couldn't be
+	// assigned to a OpenWeatherMap location.
+	if w.GeoPos.Longitude == 0 && w.GeoPos.Latitude == 0 {
+		return "", ErrWeatherLocationNotFound
+	} else {
+		// Weather for Vilnius, LT: Feels like: 29.67°C. Currently 29.49°C with a high of 29.84°C and a low of 29.49°C, humidity: 45%, wind: 6.17m/s.
+		reply := fmt.Sprintf("Weather for %s, %s: Feels like: %v°C. Currently %v°C with a high of %v°C and a low of %v°C, humidity: %v%%, wind: %vm/s.",
+			w.Name,
+			w.Sys.Country,
+			w.Main.FeelsLike,
+			w.Main.Temp,
+			w.Main.TempMax,
+			w.Main.TempMin,
+			w.Main.Humidity,
+			w.Wind.Speed,
+		)
+		return reply, nil
+	}
+}

internal/common/random.go

@@ -0,0 +1,38 @@
+package common
+
+import (
+	"fmt"
+	"math/rand"
+	"strconv"
+	"time"
+)
+
+// StrGenerateRandomNumber generates a random number from
+// a given max value as a string
+func StrGenerateRandomNumber(max string) int {
+	num, err := strconv.Atoi(max)
+	if num < 1 {
+		return 0
+	}
+
+	if err != nil {
+		fmt.Printf("Supplied value %v is not a number", num)
+		return 0
+	} else {
+		rand.Seed(time.Now().UnixNano())
+		return rand.Intn(num)
+	}
+}
+
+// GenerateRandomNumber returns a random number from
+// a given max value as a int
+func GenerateRandomNumber(max int) int {
+	rand.Seed(time.Now().UnixNano())
+	return rand.Intn(max)
+}
+
+// GenerateRandomNumberRange returns a random number
+// over a given minimum and maximum range.
+func GenerateRandomNumberRange(min int, max int) int {
+	return (rand.Intn(max-min) + min)
+}