style improvements and bluesky comments!

controller/bluesky.go

@@ -0,0 +1,48 @@
+package controller
+
+import (
+	"arimelody-web/model"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+const BSKY_API_BASE = "https://public.api.bsky.app"
+
+func FetchThreadViewPost(actorID string, postID string) (*model.ThreadViewPost, error) {
+	uri := fmt.Sprintf("at://%s/app.bsky.feed.post/%s", actorID, postID)
+
+    req, err := http.NewRequest(
+        http.MethodGet,
+        strings.Join([]string{BSKY_API_BASE, "xrpc", "app.bsky.feed.getPostThread"}, "/"),
+        nil,
+    )
+    if err != nil { panic(err) }
+
+    req.URL.RawQuery = url.Values{
+        "uri": { uri },
+    }.Encode()
+    req.Header.Set("User-Agent", "ari melody [https://arimelody.me]")
+    req.Header.Set("Accept", "application/json")
+
+    client := &http.Client{}
+
+    res, err := client.Do(req)
+    if err != nil {
+        return nil, errors.New(fmt.Sprintf("Failed to call Bluesky API: %v", err))
+    }
+
+    type Data struct {
+        Thread model.ThreadViewPost `json:"thread"`
+    }
+    data := Data{}
+    err = json.NewDecoder(res.Body).Decode(&data)
+    if err != nil {
+        return nil, errors.New(fmt.Sprintf("Invalid response from server: %v", err))
+    }
+
+    return &data.Thread, nil
+}