Merge pull request #346 from systemli/Add-support-for-Links-in-Bluesk…

…y-Posts

✨ Add support for Links in Bluesky Posts

internal/bridge/bluesky.go

@@ -15,6 +15,7 @@ import (
 	"github.com/systemli/ticker/internal/bluesky"
 	"github.com/systemli/ticker/internal/config"
 	"github.com/systemli/ticker/internal/storage"
+	"github.com/systemli/ticker/internal/util"
 )
 
 type BlueskyBridge struct {
@@ -40,6 +41,26 @@ func (bb *BlueskyBridge) Send(ticker storage.Ticker, message *storage.Message) e
 	post := &bsky.FeedPost{
 		Text:      message.Text,
 		CreatedAt: time.Now().Local().Format(time.RFC3339),
+		Facets:    []*bsky.RichtextFacet{},
+	}
+
+	links := util.ExtractURLs(message.Text)
+	for _, link := range links {
+		startIndex := strings.Index(message.Text, link)
+		endIndex := startIndex + len(link)
+		post.Facets = append(post.Facets, &bsky.RichtextFacet{
+			Features: []*bsky.RichtextFacet_Features_Elem{
+				{
+					RichtextFacet_Link: &bsky.RichtextFacet_Link{
+						Uri: link,
+					},
+				},
+			},
+			Index: &bsky.RichtextFacet_ByteSlice{
+				ByteStart: int64(startIndex),
+				ByteEnd:   int64(endIndex),
+			},
+		})
 	}
 
 	if len(message.Attachments) > 0 {
@@ -76,6 +97,7 @@ func (bb *BlueskyBridge) Send(ticker storage.Ticker, message *storage.Message) e
 		if post.Embed == nil {
 			post.Embed = &bsky.FeedPost_Embed{}
 		}
+
 		post.Embed.EmbedImages = &bsky.EmbedImages{
 			Images: images,
 		}

internal/bridge/bridge_test.go

@@ -59,7 +59,7 @@ func (s *BridgeTestSuite) SetupTest() {
 		},
 	}
 	messageWithoutBridges = storage.Message{
-		Text: "Hello World",
+		Text: "Hello World https://example.com",
 		Attachments: []storage.Attachment{
 			{
 				UUID: "123",

internal/util/url.go

@@ -0,0 +1,9 @@
+package util
+
+import "regexp"
+
+// ExtractURLs extracts URLs from a text.
+func ExtractURLs(text string) []string {
+	urlRegex := regexp.MustCompile(`(http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\\(\\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+)`)
+	return urlRegex.FindAllString(text, -1)
+}

internal/util/url_test.go

@@ -0,0 +1,39 @@
+package util
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestExtractURL(t *testing.T) {
+	text := "This is a text with a URL https://example.com"
+	urls := ExtractURLs(text)
+
+	assert.Equal(t, 1, len(urls))
+	assert.Equal(t, "https://example.com", urls[0])
+
+	text = "This is a text with a URL https://example.com and another URL http://example.org"
+	urls = ExtractURLs(text)
+
+	assert.Equal(t, 2, len(urls))
+	assert.Equal(t, "https://example.com", urls[0])
+	assert.Equal(t, "http://example.org", urls[1])
+
+	text = "This is a text without a URL"
+	urls = ExtractURLs(text)
+
+	assert.Equal(t, 0, len(urls))
+
+	text = "This is a text with a URL https://www.systemli.org/en/contact/"
+	urls = ExtractURLs(text)
+
+	assert.Equal(t, 1, len(urls))
+	assert.Equal(t, "https://www.systemli.org/en/contact/", urls[0])
+
+	text = "This is a text with a URL https://www.systemli.org/en/contact/?key=value"
+	urls = ExtractURLs(text)
+
+	assert.Equal(t, 1, len(urls))
+	assert.Equal(t, "https://www.systemli.org/en/contact/?key=value", urls[0])
+}