Feat: Function to send file

.github/workflows/go.yml

@@ -0,0 +1,30 @@
+name: golang ci/cd
+
+on:
+    push:
+        branches:
+        - main
+permissions:
+    contents: read
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        steps:
+        - uses: actions/checkout@v3
+
+        - name: Setup Go
+          uses: actions/setup-go@v4
+          with:
+            go-version: '1.21.*'
+
+        - name: Install dependencies
+          run: |
+            go version
+
+        - name: Run build
+          run: go build .
+
+        - name: golangci-lint
+          uses: golangci/golangci-lint-action@v3
+          with:
+            version: v1.54

README.md

@@ -11,7 +11,7 @@ go get github.com/gtuk/discordwebhook
 Below is the most basic example on how to send a message.
 For a more advanced message structure see the structs in types.go and https://birdie0.github.io/discord-webhooks-guide/discord_webhook.html
 
-```
+```go
 package main
 
 import "github.com/gtuk/discordwebhook"
@@ -20,6 +20,7 @@ func main() {
    var username = "BotUser"
    var content = "This is a test message"
    var url = "https://discord.com/api/webhooks/..."
+   var filePath = "/path/to/file"
 
    message := discordwebhook.Message{
        Username: &username,
@@ -30,6 +31,11 @@ func main() {
    if err != nil {
        log.Fatal(err)
    }
+
+   err = discordwebhook.SendFile(url, filePath)
+   if err != nil {
+        log.Fatal(err)
+   }
 }
 ```
 

discordwebhook.go

@@ -4,8 +4,12 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
+	"log"
+	"mime/multipart"
 	"net/http"
+	"os"
+	"strings"
 )
 
 func SendMessage(url string, message Message) error {
@@ -24,7 +28,7 @@ func SendMessage(url string, message Message) error {
 	if resp.StatusCode != 200 && resp.StatusCode != 204 {
 		defer resp.Body.Close()
 
-		responseBody, err := ioutil.ReadAll(resp.Body)
+		responseBody, err := io.ReadAll(resp.Body)
 		if err != nil {
 			return err
 		}
@@ -34,3 +38,37 @@ func SendMessage(url string, message Message) error {
 
 	return nil
 }
+
+func SendFile(url string, filePath string) error {
+	file, err := os.Open(filePath)
+	if err != nil {
+		log.Fatal("Err: Could not open file")
+		return err
+	}
+	defer file.Close()
+
+	body := new(bytes.Buffer)
+
+	writer := multipart.NewWriter(body)
+
+	pathSplit := strings.Split(filePath, "/")
+	part, err := writer.CreateFormFile("file", pathSplit[len(pathSplit)-1])
+	if err != nil {
+		log.Fatal("Err: Could not create form file")
+		return err
+	}
+
+	_, err = io.Copy(part, file)
+	if err != nil {
+		log.Fatal("Err: Could not copy file content to form file field")
+		return err
+	}
+
+	resp, err := http.Post(url, writer.FormDataContentType(), body)
+	if err != nil {
+		log.Fatal("Err: Post request failed")
+		return err
+	}
+	defer resp.Body.Close()
+	return nil
+}

examples/basic_example/basic_example.go

@@ -10,6 +10,7 @@ func main() {
 	var username = "BotUser"
 	var content = "This is a test message"
 	var url = "https://discord.com/api/webhooks/..."
+	var filePath = "/path/to/file"
 
 	message := discordwebhook.Message{
 		Username: &username,
@@ -20,5 +21,10 @@ func main() {
 	if err != nil {
 		log.Fatal(err)
 	}
+
+	err = discordwebhook.SendFile(url, filePath)
+	if err != nil {
+		log.Fatal(err)
+	}
 }