✨ Fetching other fediverse timeline

pkg/internal/services/mastodon/fetch.go

@@ -0,0 +1,76 @@
+package mastodon
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+
+	"git.solsynth.dev/hypernet/interactive/pkg/internal/models"
+	"git.solsynth.dev/hypernet/nexus/pkg/nex/cruda"
+	"github.com/samber/lo"
+)
+
+type MastodomAttachment struct {
+	URL     string `json:"url"`
+	Preview string `json:"preview"`
+}
+
+type MastodonPost struct {
+	ID      string `json:"id"`
+	Content string `json:"content"`
+	URL     string `json:"url"`
+	Account struct {
+		Acct        string `json:"acct"`
+		Username    string `json:"username"`
+		DisplayName string `json:"display_name"`
+		Avatar      string `json:"avatar"`
+		AccountURL  string `json:"url"`
+	} `json:"account"`
+	Language         string               `json:"language"`
+	MediaAttachments []MastodomAttachment `json:"media_attachments"`
+	CreatedAt        time.Time            `json:"created_at"`
+	Server           string               `json:"-"`
+}
+
+func (v MastodonPost) ToFediversePost() models.FediversePost {
+	return models.FediversePost{
+		BaseModel: cruda.BaseModel{
+			CreatedAt: v.CreatedAt,
+		},
+		Identifier: v.ID,
+		Origin:     v.Server,
+		Content:    v.Content,
+		Language:   v.Language,
+		Images: lo.Map(v.MediaAttachments, func(item MastodomAttachment, _ int) string {
+			return item.URL
+		}), User: models.FediverseUser{
+			Identifier: v.Account.Acct,
+			Name:       v.Account.Username,
+			Nick:       v.Account.DisplayName,
+			Origin:     v.Server,
+		},
+	}
+}
+
+func FetchTimeline(server string, limit int) ([]MastodonPost, error) {
+	url := fmt.Sprintf("%s/api/v1/timelines/public?limit=%d", server, limit)
+
+	resp, err := http.Get(url)
+	if err != nil {
+		return nil, fmt.Errorf("failed to fetch public timeline: %v", err)
+	}
+	defer resp.Body.Close()
+
+	var posts []MastodonPost
+	if err := json.NewDecoder(resp.Body).Decode(&posts); err != nil {
+		return nil, fmt.Errorf("failed to parse timeline JSON: %v", err)
+	}
+
+	for idx := range posts {
+		posts[idx].Server = strings.Replace(strings.Replace(server, "https://", "", 1), "http://", "", 1)
+	}
+
+	return posts, nil
+}