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|
package notes
import (
"fmt"
"llostre/general"
"time"
)
type EmbedImage struct {
Alt string `json:"alt"`
Image struct {
CID string `json:"$link"`
} `json:"image"`
AspectRatio *struct {
Width int `json:"width"`
Height int `json:"height"`
} `json:"aspectRatio,omitempty"`
}
type EmbedImages struct {
Type string `json:"$type"`
Images []EmbedImage `json:"images,omitempty"`
}
type AppBskyFeedPostEmbed struct {
Type string `json:"$type"`
Images []EmbedImage `json:"images,omitempty"`
Media *EmbedImages `json:"media,omitempty"`
}
type AppBskyFeedPostRecord struct {
URI string `json:"uri"`
Value struct {
Text string `json:"text"`
CreatedAt string `json:"createdAt"`
Reply *struct {
Parent struct {
URI string `json:"uri"`
} `json:"parent"`
} `json:"reply,omitempty"`
Facets []struct {
Index struct {
ByteStart int `json:"byteStart"`
ByteEnd int `json:"byteEnd"`
} `json:"index"`
Features []struct {
Type string `json:"$type"`
URI string `json:"uri,omitempty"`
DID string `json:"did,omitempty"`
Tag string `json:"tag,omitempty"`
} `json:"features"`
} `json:"facets,omitempty"`
Embed *AppBskyFeedPostEmbed `json:"embed,omitempty"`
} `json:"value"`
}
func extractImages(embed *AppBskyFeedPostEmbed, did, pdsURL string) []Media {
if embed == nil {
return nil
}
images := embed.Images
if embed.Media != nil {
images = embed.Media.Images
}
var media []Media
for _, img := range images {
m := Media{
URL: fmt.Sprintf("%s/xrpc/com.atproto.sync.getBlob?did=%s&cid=%s", pdsURL, did, img.Image.CID),
Alt: img.Alt,
}
if img.AspectRatio != nil {
m.Width = img.AspectRatio.Width
m.Height = img.AspectRatio.Height
}
media = append(media, m)
}
return media
}
func NoteFromAppBskyFeedPostRecord(record AppBskyFeedPostRecord, author *Author) (*Note, error) {
if record.URI == "" {
return nil, fmt.Errorf("missing required field: uri")
}
createdAt, err := time.Parse(time.RFC3339, record.Value.CreatedAt)
if err != nil {
return nil, fmt.Errorf("failed to parse timestamp: %w", err)
}
var replyTo *string
if record.Value.Reply != nil {
replyTo = &record.Value.Reply.Parent.URI
}
var facets []Facet
for _, f := range record.Value.Facets {
for _, feature := range f.Features {
var value string
var facetType string
switch feature.Type {
case "app.bsky.richtext.facet#link":
facetType = "link"
value = feature.URI
case "app.bsky.richtext.facet#mention":
facetType = "mention"
value = feature.DID
case "app.bsky.richtext.facet#tag":
facetType = "tag"
value = feature.Tag
default:
continue
}
facets = append(facets, Facet{
ByteStart: f.Index.ByteStart,
ByteEnd: f.Index.ByteEnd,
Type: facetType,
Value: value,
})
}
}
var handle, displayName, avatarURL string
if author != nil {
handle = author.Handle
displayName = author.DisplayName
avatarURL = author.AvatarURL
} else {
handle = "handle.invalid"
displayName = ""
avatarURL = ""
}
did, _, _, err := general.ParseURI(record.URI)
return &Note{
URI: record.URI,
AuthorDID: did,
AuthorHandle: handle,
AuthorName: displayName,
AuthorNoUnauth: author.NoUnauth,
AvatarURL: avatarURL,
CreatedAt: createdAt,
Text: record.Value.Text,
ReplyTo: replyTo,
Facets: facets,
Media: extractImages(record.Value.Embed, did, author.PDS),
}, nil
}
|
