add weather command

Makefile

@@ -1,11 +1,13 @@
 BINARY_NAME=Nourybot-Matrix.out
 
-dev:
+xd:
 	go build -o ${BINARY_NAME} cmd/bot/*
 	./${BINARY_NAME} --env="dev"
 
+dev:
+	./${BINARY_NAME} --env="dev"
+
 prod:
-	go build -o ${BINARY_NAME} cmd/bot/*
 	./${BINARY_NAME} --env="prod"
 
 build:

cmd/bot/commands.go

@@ -3,10 +3,12 @@ package main
 import (
 	"strings"
 
+	"github.com/lyx0/nourybot-matrix/pkg/owm"
 	"maunium.net/go/mautrix/event"
 )
 
 func (app *application) ParseCommand(evt *event.Event) {
+	var reply string
 	// commandName is the actual name of the command without the prefix.
 	// e.g. `!ping` would be `ping`.
 	commandName := strings.ToLower(strings.SplitN(evt.Content.AsMessage().Body, " ", 2)[0][1:])
@@ -31,8 +33,16 @@ func (app *application) ParseCommand(evt *event.Event) {
 	case "gofile":
 		app.NewDownload("gofile", evt, cmdParams[1])
 		return
+
+	case "weather":
+		reply, _ = owm.Weather(evt.Content.AsMessage().Body[9:len(evt.Content.AsMessage().Body)])
+
 	case "yaf":
 		app.NewDownload("yaf", evt, cmdParams[1])
 		return
+
+	}
+	if reply != "" {
+		app.SendText(evt, reply)
 	}
 }

go.mod

@@ -11,14 +11,15 @@ require (
 )
 
 require (
-	github.com/google/uuid v1.5.0 // indirect
+	github.com/briandowns/openweathermap v0.19.0
+	github.com/google/uuid v1.5.0
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.19 // indirect
 	github.com/tidwall/gjson v1.17.0 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.0 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect
-	github.com/wader/goutubedl v0.0.0-20240110164636-adddb11ead1b // indirect
+	github.com/wader/goutubedl v0.0.0-20240110164636-adddb11ead1b
 	go.mau.fi/util v0.2.1 // indirect
 	golang.org/x/crypto v0.15.0 // indirect
 	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect

go.sum

@@ -1,4 +1,6 @@
 github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
+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/chzyer/logex v1.2.1 h1:XHDu3E6q+gdHgsdTPH6ImJMIp436vR6MPtH8gP05QzM=
 github.com/chzyer/logex v1.2.1/go.mod h1:JLbx6lG2kDbNRFnfkgvh4eRJRPX1QCoOIWomwysCBrQ=
 github.com/chzyer/readline v1.5.1 h1:upd/6fQk4src78LMRzh5vItIt361/o4uq553V8B5sGI=
@@ -7,6 +9,7 @@ github.com/chzyer/test v1.0.0 h1:p3BQDXSxOhOG0P9z6/hGnII4LGiEPOYBhs8asl/fC04=
 github.com/chzyer/test v1.0.0/go.mod h1:2JlltgoNkt4TW/z9V/IzDdFaMTM2JPIi26O1pF38GC8=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
 github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
@@ -37,6 +40,7 @@ github.com/tidwall/sjson v1.2.5 h1:kLy8mja+1c9jlljvWTlSazM7cKDRfJuR/bOJhcY5NcY=
 github.com/tidwall/sjson v1.2.5/go.mod h1:Fvgq9kS/6ociJEDnK0Fk1cpYF4FIW6ZF7LAe+6jwd28=
 github.com/wader/goutubedl v0.0.0-20240110164636-adddb11ead1b h1:xSddyANsGzMEoClwwZzuesuWPnwkmmtSsERFrOodMT8=
 github.com/wader/goutubedl v0.0.0-20240110164636-adddb11ead1b/go.mod h1:5KXd5tImdbmz4JoVhePtbIokCwAfEhUVVx3WLHmjYuw=
+github.com/wader/osleaktest v0.0.0-20191111175233-f643b0fed071 h1:QkrG4Zr5OVFuC9aaMPmFI0ibfhBZlAgtzDYWfu7tqQk=
 github.com/wader/osleaktest v0.0.0-20191111175233-f643b0fed071/go.mod h1:XD6emOFPHVzb0+qQpiNOdPL2XZ0SRUM0N5JHuq6OmXo=
 go.mau.fi/util v0.2.1 h1:eazulhFE/UmjOFtPrGg6zkF5YfAyiDzQb8ihLMbsPWw=
 go.mau.fi/util v0.2.1/go.mod h1:MjlzCQEMzJ+G8RsPawHzpLB8rwTo3aPIjG5FzBvQT/c=

pkg/owm/weather.go

@@ -0,0 +1,53 @@
+package owm
+
+import (
+	"errors"
+	"fmt"
+	"os"
+
+	owm "github.com/briandowns/openweathermap"
+	"github.com/joho/godotenv"
+)
+
+var (
+	ErrInternalServerError     = errors.New("internal server error")
+	ErrWeatherLocationNotFound = errors.New("location not found")
+)
+
+// 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
+	}
+}