| 1 | package daemon |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "errors" |
| 7 | "fmt" |
| 8 | "net/url" |
| 9 | "sort" |
| 10 | "strconv" |
| 11 | "strings" |
| 12 | "time" |
| 13 | |
| 14 | "github.com/FelineStateMachine/tinyrelay/internal/event" |
| 15 | "github.com/FelineStateMachine/tinyrelay/internal/storage" |
| 16 | ) |
| 17 | |
| 18 | type socialBrowseRequest struct { |
| 19 | Kind string `json:"kind"` |
| 20 | Author string `json:"author"` |
| 21 | Query string `json:"q"` |
| 22 | Cursor string `json:"cursor"` |
| 23 | Limit int `json:"limit"` |
| 24 | ID string `json:"id"` |
| 25 | Address string `json:"address"` |
| 26 | } |
| 27 | |
| 28 | type socialItem struct { |
| 29 | ID string `json:"id"` |
| 30 | Kind int `json:"kind"` |
| 31 | Author string `json:"author"` |
| 32 | Pubkey string `json:"pubkey"` |
| 33 | Tags [][]string `json:"tags,omitempty"` |
| 34 | CreatedAt int64 `json:"created_at"` |
| 35 | Content string `json:"content"` |
| 36 | Title string `json:"title,omitempty"` |
| 37 | Summary string `json:"summary,omitempty"` |
| 38 | Image string `json:"image,omitempty"` |
| 39 | Address string `json:"address,omitempty"` |
| 40 | URL string `json:"url,omitempty"` |
| 41 | ReadPath string `json:"read_path"` |
| 42 | AuthorName string `json:"author_name,omitempty"` |
| 43 | AuthorPicture string `json:"author_picture,omitempty"` |
| 44 | ReplyCount int `json:"reply_count"` |
| 45 | Reactions []socialReaction `json:"reactions,omitempty"` |
| 46 | ParentID string `json:"parent_id,omitempty"` |
| 47 | ParentAuthor string `json:"parent_author,omitempty"` |
| 48 | ParentKind int `json:"parent_kind,omitempty"` |
| 49 | ParentAddress string `json:"parent_address,omitempty"` |
| 50 | RootID string `json:"root_id,omitempty"` |
| 51 | RootAuthor string `json:"root_author,omitempty"` |
| 52 | RootKind int `json:"root_kind,omitempty"` |
| 53 | RootAddress string `json:"root_address,omitempty"` |
| 54 | ReadMinutes int `json:"read_minutes,omitempty"` |
| 55 | Event event.Event `json:"event"` |
| 56 | } |
| 57 | |
| 58 | type socialReaction struct { |
| 59 | Content string `json:"content"` |
| 60 | Count int `json:"count"` |
| 61 | Reacted bool `json:"reacted,omitempty"` |
| 62 | Image string `json:"image,omitempty"` |
| 63 | } |
| 64 | |
| 65 | func socialBrowseMethod(method string) bool { |
| 66 | return method == "browsesocial" || method == "browsesocialthread" |
| 67 | } |
| 68 | |
| 69 | func (t *Tenant) executeSocial(ctx context.Context, actor, method string, params []json.RawMessage) (any, error) { |
| 70 | if !t.Policy().Features.Pages { |
| 71 | return nil, errors.New("not found: social is disabled" ) |
| 72 | } |
| 73 | q := socialBrowseRequest{} |
| 74 | if len(params) > 0 { |
| 75 | if err := json.Unmarshal(params[0], &q); err != nil { |
| 76 | return nil, fmt.Errorf("invalid: social parameters: %w" , err) |
| 77 | } |
| 78 | } |
| 79 | if q.Limit <= 0 || q.Limit > 100 { |
| 80 | q.Limit = 30 |
| 81 | } |
| 82 | if q.Author != "" && !socialHex(q.Author) { |
| 83 | return nil, errors.New("invalid: social author" ) |
| 84 | } |
| 85 | if method == "browsesocialthread" { |
| 86 | return t.browseSocialThread(ctx, actor, q) |
| 87 | } |
| 88 | return t.browseSocial(ctx, actor, q) |
| 89 | } |
| 90 | |
| 91 | func socialHex(value string) bool { |
| 92 | return len(value) == 64 && strings.Trim(value, "0123456789abcdef" ) == "" |
| 93 | } |
| 94 | func socialAddress(row event.Event) string { |
| 95 | if row.Kind == 30023 { |
| 96 | return "30023:" + row.PubKey + ":" + event.Tag(row, "d" ) |
| 97 | } |
| 98 | return "" |
| 99 | } |
| 100 | func socialCursor(row event.Event) string { |
| 101 | return collaborationCursor(collaborationItem{CreatedAt: row.CreatedAt, ID: row.ID}) |
| 102 | } |
| 103 | func socialOlder(a, b event.Event) bool { |
| 104 | if a.CreatedAt == b.CreatedAt { |
| 105 | return a.ID < b.ID |
| 106 | } |
| 107 | return a.CreatedAt > b.CreatedAt |
| 108 | } |
| 109 | |
| 110 | func (t *Tenant) browseSocial(ctx context.Context, actor string, q socialBrowseRequest) (any, error) { |
| 111 | kinds := []int{1, 30023} |
| 112 | switch q.Kind { |
| 113 | case "" , "all" : |
| 114 | case "notes" : |
| 115 | kinds = []int{1} |
| 116 | case "articles" : |
| 117 | kinds = []int{30023} |
| 118 | default: |
| 119 | return nil, errors.New("invalid: social kind" ) |
| 120 | } |
| 121 | cursor, err := parseCollaborationCursor(q.Cursor) |
| 122 | if err != nil { |
| 123 | return nil, err |
| 124 | } |
| 125 | filter := event.Filter{Kinds: kinds} |
| 126 | if q.Author != "" { |
| 127 | filter.Authors = []string{q.Author} |
| 128 | } |
| 129 | rows := []event.Event{} |
| 130 | next := "" |
| 131 | session := browseSession(t, actor) |
| 132 | for scan := 0; scan < 20; scan++ { |
| 133 | page, err := t.store.Query(ctx, filter, storage.QueryOptions{Now: time.Now().Unix(), Access: storage.Access{PubKeys: session.PubKeys}, Limit: 100, Before: cursor}) |
| 134 | if err != nil { |
| 135 | return nil, err |
| 136 | } |
| 137 | for _, row := range page.Events { |
| 138 | cursor = &storage.EventCursor{CreatedAt: row.CreatedAt, ID: row.ID} |
| 139 | if socialFeedRoot(row) && t.gate.CanSee(ctx, row, session, &filter) && socialMatches(row, q.Query) { |
| 140 | rows = append(rows, row) |
| 141 | } |
| 142 | if len(rows) > q.Limit { |
| 143 | break |
| 144 | } |
| 145 | } |
| 146 | if len(rows) > q.Limit { |
| 147 | next = socialCursor(rows[q.Limit-1]) |
| 148 | rows = rows[:q.Limit] |
| 149 | break |
| 150 | } |
| 151 | if !page.More || len(page.Events) == 0 { |
| 152 | break |
| 153 | } |
| 154 | if scan == 19 && cursor != nil { |
| 155 | next = collaborationCursor(collaborationItem{CreatedAt: cursor.CreatedAt, ID: cursor.ID}) |
| 156 | } |
| 157 | } |
| 158 | items, err := t.socialItems(ctx, actor, rows) |
| 159 | if err != nil { |
| 160 | return nil, err |
| 161 | } |
| 162 | stats := map[string]int{"notes" : 0, "articles" : 0, "comments" : 0} |
| 163 | for _, item := range items { |
| 164 | if item.Kind == 30023 { |
| 165 | stats["articles" ]++ |
| 166 | } else { |
| 167 | stats["notes" ]++ |
| 168 | } |
| 169 | stats["comments" ] += item.ReplyCount |
| 170 | } |
| 171 | return map[string]any{"items" : items, "next_cursor" : next, "stats" : stats}, nil |
| 172 | } |
| 173 | |
| 174 | func socialFeedRoot(row event.Event) bool { |
| 175 | if row.Kind == 30023 { |
| 176 | return true |
| 177 | } |
| 178 | if row.Kind != 1 || event.Tag(row, "h" ) != "" { |
| 179 | return false |
| 180 | } |
| 181 | ref := socialReference(row) |
| 182 | return ref.parent == "" && ref.parentAddress == "" |
| 183 | } |
| 184 | func socialMatches(row event.Event, query string) bool { |
| 185 | needle := strings.ToLower(strings.TrimSpace(query)) |
| 186 | return needle == "" || strings.Contains(strings.ToLower(row.Content+" " +event.Tag(row, "title" )+" " +event.Tag(row, "summary" )), needle) |
| 187 | } |
| 188 | |
| 189 | // socialEvents scans only the requested references and applies the same per-event |
| 190 | // visibility rules as relay subscriptions, including profiles and reactions. |
| 191 | func (t *Tenant) socialEvents(ctx context.Context, actor string, filters []event.Filter) ([]event.Event, error) { |
| 192 | session := browseSession(t, actor) |
| 193 | out := []event.Event{} |
| 194 | seen := map[string]bool{} |
| 195 | for _, filter := range filters { |
| 196 | var cursor *storage.EventCursor |
| 197 | for { |
| 198 | page, err := t.store.Query(ctx, filter, storage.QueryOptions{Now: time.Now().Unix(), Access: storage.Access{PubKeys: session.PubKeys}, Limit: 200, Before: cursor}) |
| 199 | if err != nil { |
| 200 | return nil, err |
| 201 | } |
| 202 | for _, row := range page.Events { |
| 203 | if !seen[row.ID] && t.gate.CanSee(ctx, row, session, &filter) { |
| 204 | seen[row.ID] = true |
| 205 | out = append(out, row) |
| 206 | } |
| 207 | } |
| 208 | if !page.More || len(page.Events) == 0 { |
| 209 | break |
| 210 | } |
| 211 | last := page.Events[len(page.Events)-1] |
| 212 | cursor = &storage.EventCursor{CreatedAt: last.CreatedAt, ID: last.ID} |
| 213 | } |
| 214 | } |
| 215 | sort.Slice(out, func(i, j int) bool { return socialOlder(out[i], out[j]) }) |
| 216 | return out, nil |
| 217 | } |
| 218 | func socialActivityFilters(rows []event.Event) []event.Filter { |
| 219 | ids, addresses := []string{}, []string{} |
| 220 | for _, row := range rows { |
| 221 | ids = append(ids, row.ID) |
| 222 | if address := socialAddress(row); address != "" { |
| 223 | addresses = append(addresses, address) |
| 224 | } |
| 225 | } |
| 226 | filters := []event.Filter{{Kinds: []int{1, 7, 1111}, Tags: map[string][]string{"e" : ids}}, {Kinds: []int{1111}, Tags: map[string][]string{"E" : ids}}} |
| 227 | if len(addresses) > 0 { |
| 228 | filters = append(filters, event.Filter{Kinds: []int{1, 7, 1111}, Tags: map[string][]string{"a" : addresses}}, event.Filter{Kinds: []int{1111}, Tags: map[string][]string{"A" : addresses}}) |
| 229 | } |
| 230 | return filters |
| 231 | } |
| 232 | func (t *Tenant) socialItems(ctx context.Context, actor string, rows []event.Event) ([]socialItem, error) { |
| 233 | if len(rows) == 0 { |
| 234 | return []socialItem{}, nil |
| 235 | } |
| 236 | extra, err := t.socialEvents(ctx, actor, socialActivityFilters(rows)) |
| 237 | if err != nil { |
| 238 | return nil, err |
| 239 | } |
| 240 | items := socialItemsWithRefs(rows, extra, actor, nil) |
| 241 | authors := []string{} |
| 242 | seen := map[string]bool{} |
| 243 | for _, row := range rows { |
| 244 | if !seen[row.PubKey] { |
| 245 | seen[row.PubKey] = true |
| 246 | authors = append(authors, row.PubKey) |
| 247 | } |
| 248 | } |
| 249 | profiles, err := t.socialEvents(ctx, actor, []event.Filter{{Kinds: []int{0}, Authors: authors}}) |
| 250 | if err != nil { |
| 251 | return nil, err |
| 252 | } |
| 253 | names := map[string][2]string{} |
| 254 | for _, profile := range profiles { |
| 255 | var p struct { |
| 256 | Name string `json:"name"` |
| 257 | Display string `json:"display_name"` |
| 258 | Picture string `json:"picture"` |
| 259 | } |
| 260 | if json.Unmarshal([]byte(profile.Content), &p) == nil { |
| 261 | if p.Display == "" { |
| 262 | p.Display = p.Name |
| 263 | } |
| 264 | names[profile.PubKey] = [2]string{p.Display, p.Picture} |
| 265 | } |
| 266 | } |
| 267 | for i := range items { |
| 268 | items[i].AuthorName, items[i].AuthorPicture = names[items[i].Pubkey][0], names[items[i].Pubkey][1] |
| 269 | } |
| 270 | return items, nil |
| 271 | } |
| 272 | |
| 273 | func socialItemsWithRefs(rows, extra []event.Event, actor string, _ map[string]string) []socialItem { |
| 274 | items := make([]socialItem, len(rows)) |
| 275 | index := map[string]int{} |
| 276 | for i, row := range rows { |
| 277 | items[i] = socialItemFrom(row) |
| 278 | index[row.ID] = i |
| 279 | if a := socialAddress(row); a != "" { |
| 280 | index[a] = i |
| 281 | } |
| 282 | } |
| 283 | type reactionKey struct { |
| 284 | index int |
| 285 | author, content string |
| 286 | } |
| 287 | seen := map[reactionKey]bool{} |
| 288 | counts := map[int]map[string]socialReaction{} |
| 289 | for _, row := range extra { |
| 290 | if row.Kind == 7 { |
| 291 | ref := socialReference(row) |
| 292 | target := ref.parent |
| 293 | if _, ok := index[ref.parentAddress]; ok { |
| 294 | target = ref.parentAddress |
| 295 | } |
| 296 | i, ok := index[target] |
| 297 | if !ok { |
| 298 | continue |
| 299 | } |
| 300 | content, image := socialReactionValue(row) |
| 301 | key := reactionKey{i, row.PubKey, content + "\x00" + image} |
| 302 | if seen[key] { |
| 303 | continue |
| 304 | } |
| 305 | seen[key] = true |
| 306 | if counts[i] == nil { |
| 307 | counts[i] = map[string]socialReaction{} |
| 308 | } |
| 309 | variant := content + "\x00" + image |
| 310 | r := counts[i][variant] |
| 311 | r.Content = content |
| 312 | r.Image = image |
| 313 | r.Count++ |
| 314 | r.Reacted = r.Reacted || row.PubKey == actor |
| 315 | counts[i][variant] = r |
| 316 | } else if row.Kind == 1 || row.Kind == 1111 { |
| 317 | for i, post := range rows { |
| 318 | if socialCommentFor(row, post) { |
| 319 | items[i].ReplyCount++ |
| 320 | } |
| 321 | } |
| 322 | } |
| 323 | } |
| 324 | for i, group := range counts { |
| 325 | for _, r := range group { |
| 326 | items[i].Reactions = append(items[i].Reactions, r) |
| 327 | } |
| 328 | sort.Slice(items[i].Reactions, func(a, b int) bool { |
| 329 | if items[i].Reactions[a].Content == items[i].Reactions[b].Content { |
| 330 | return items[i].Reactions[a].Image < items[i].Reactions[b].Image |
| 331 | } |
| 332 | return items[i].Reactions[a].Content < items[i].Reactions[b].Content |
| 333 | }) |
| 334 | } |
| 335 | return items |
| 336 | } |
| 337 | |
| 338 | // socialReactionValue applies NIP-30 custom emoji metadata only when the |
| 339 | // reaction content and emoji tag form a valid, safe pair. Invalid metadata is |
| 340 | // retained as ordinary reaction text so it cannot turn into an image URL. |
| 341 | func socialReactionValue(row event.Event) (string, string) { |
| 342 | content := row.Content |
| 343 | if content == "" { |
| 344 | return "+" , "" |
| 345 | } |
| 346 | if len(content) < 3 || content[0] != ':' || content[len(content)-1] != ':' { |
| 347 | return content, "" |
| 348 | } |
| 349 | shortcode := content[1 : len(content)-1] |
| 350 | if !socialEmojiShortcode(shortcode) { |
| 351 | return content, "" |
| 352 | } |
| 353 | for _, tag := range row.Tags { |
| 354 | if len(tag) < 3 || tag[0] != "emoji" || tag[1] != shortcode { |
| 355 | continue |
| 356 | } |
| 357 | if socialEmojiURL(tag[2]) { |
| 358 | return content, tag[2] |
| 359 | } |
| 360 | } |
| 361 | return content, "" |
| 362 | } |
| 363 | |
| 364 | func socialEmojiShortcode(value string) bool { |
| 365 | if value == "" { |
| 366 | return false |
| 367 | } |
| 368 | for _, char := range value { |
| 369 | if (char < 'a' || char > 'z' ) && (char < 'A' || char > 'Z' ) && (char < '0' || char > '9' ) && char != '-' && char != '_' { |
| 370 | return false |
| 371 | } |
| 372 | } |
| 373 | return true |
| 374 | } |
| 375 | |
| 376 | func socialEmojiURL(value string) bool { |
| 377 | parsed, err := url.Parse(value) |
| 378 | return err == nil && (parsed.Scheme == "https" || parsed.Scheme == "http" ) && parsed.Hostname() != "" && parsed.User == nil |
| 379 | } |
| 380 | |
| 381 | type socialRef struct { |
| 382 | root, parent, rootAuthor, parentAuthor string |
| 383 | rootKind, parentKind int |
| 384 | rootAddress, parentAddress string |
| 385 | } |
| 386 | |
| 387 | func tagValue(tag []string, index int) string { |
| 388 | if len(tag) > index { |
| 389 | return tag[index] |
| 390 | } |
| 391 | return "" |
| 392 | } |
| 393 | func atoiTag(value string) int { n, _ := strconv.Atoi(value); return n } |
| 394 | func addressAuthor(address string) string { |
| 395 | parts := strings.SplitN(address, ":" , 3) |
| 396 | if len(parts) == 3 { |
| 397 | return parts[1] |
| 398 | } |
| 399 | return "" |
| 400 | } |
| 401 | func socialReference(row event.Event) socialRef { |
| 402 | ref := socialRef{} |
| 403 | if row.Kind == 1 { |
| 404 | var legacy [][]string |
| 405 | marked := false |
| 406 | for _, tag := range row.Tags { |
| 407 | if len(tag) < 2 { |
| 408 | continue |
| 409 | } |
| 410 | if tag[0] == "a" { |
| 411 | ref.parentAddress = tag[1] |
| 412 | ref.rootAddress = tag[1] |
| 413 | continue |
| 414 | } |
| 415 | if tag[0] != "e" { |
| 416 | continue |
| 417 | } |
| 418 | switch tagValue(tag, 3) { |
| 419 | case "root" : |
| 420 | ref.root, ref.rootAuthor = tag[1], tagValue(tag, 4) |
| 421 | marked = true |
| 422 | case "reply" : |
| 423 | ref.parent, ref.parentAuthor = tag[1], tagValue(tag, 4) |
| 424 | marked = true |
| 425 | case "" : |
| 426 | legacy = append(legacy, tag) |
| 427 | } |
| 428 | } |
| 429 | if !marked && len(legacy) > 0 { |
| 430 | ref.root = legacy[0][1] |
| 431 | ref.parent = legacy[len(legacy)-1][1] |
| 432 | } |
| 433 | if ref.root == "" { |
| 434 | ref.root, ref.rootAuthor = ref.parent, ref.parentAuthor |
| 435 | } |
| 436 | if ref.parent == "" { |
| 437 | ref.parent, ref.parentAuthor = ref.root, ref.rootAuthor |
| 438 | } |
| 439 | ref.rootKind, ref.parentKind = 1, 1 |
| 440 | return ref |
| 441 | } |
| 442 | for _, tag := range row.Tags { |
| 443 | if len(tag) < 2 { |
| 444 | continue |
| 445 | } |
| 446 | switch tag[0] { |
| 447 | case "E" : |
| 448 | ref.root, ref.rootAuthor = tag[1], tagValue(tag, 3) |
| 449 | case "e" : |
| 450 | ref.parent, ref.parentAuthor = tag[1], tagValue(tag, 3) |
| 451 | case "A" : |
| 452 | ref.rootAddress = tag[1] |
| 453 | case "a" : |
| 454 | ref.parentAddress = tag[1] |
| 455 | case "K" : |
| 456 | ref.rootKind = atoiTag(tag[1]) |
| 457 | case "k" : |
| 458 | ref.parentKind = atoiTag(tag[1]) |
| 459 | case "P" : |
| 460 | ref.rootAuthor = tag[1] |
| 461 | case "p" : |
| 462 | ref.parentAuthor = tag[1] |
| 463 | } |
| 464 | } |
| 465 | if ref.rootAddress != "" && ref.rootAuthor == "" { |
| 466 | ref.rootAuthor = addressAuthor(ref.rootAddress) |
| 467 | } |
| 468 | if ref.parentAddress != "" && ref.parentAuthor == "" { |
| 469 | ref.parentAuthor = addressAuthor(ref.parentAddress) |
| 470 | } |
| 471 | return ref |
| 472 | } |
| 473 | |
| 474 | func socialCommentFor(comment, post event.Event) bool { |
| 475 | ref := socialReference(comment) |
| 476 | if comment.Kind == 1 && post.Kind == 1 { |
| 477 | return ref.parent == post.ID || ref.root == post.ID |
| 478 | } |
| 479 | if post.Kind == 30023 { |
| 480 | address := socialAddress(post) |
| 481 | if comment.Kind == 1111 { |
| 482 | return ref.rootKind == 30023 && (ref.rootAddress == address || ref.root == post.ID) |
| 483 | } |
| 484 | // Older long-form clients used kind 1 with an article a tag. Read these |
| 485 | // comments for compatibility, but new comments always use NIP-22. |
| 486 | return comment.Kind == 1 && ref.rootAddress == address |
| 487 | } |
| 488 | if post.Kind == 1111 { |
| 489 | return comment.Kind == 1111 && ref.parent == post.ID && ref.parentKind == 1111 |
| 490 | } |
| 491 | return false |
| 492 | } |
| 493 | func socialItemFrom(row event.Event) socialItem { |
| 494 | item := socialItem{ID: row.ID, Kind: row.Kind, Author: row.PubKey, Pubkey: row.PubKey, Tags: row.Tags, CreatedAt: row.CreatedAt, Content: row.Content, Title: event.Tag(row, "title" ), Summary: event.Tag(row, "summary" ), Image: event.Tag(row, "image" ), Event: row, Address: socialAddress(row)} |
| 495 | item.ReadPath = "/social/" + row.ID |
| 496 | if item.Address != "" { |
| 497 | item.ReadPath = "/social?address=" + url.QueryEscape(item.Address) |
| 498 | item.ReadMinutes = maxInt(1, (len(strings.Fields(row.Content))+219)/220) |
| 499 | } |
| 500 | ref := socialReference(row) |
| 501 | item.ParentID, item.ParentAuthor, item.ParentKind, item.ParentAddress = ref.parent, ref.parentAuthor, ref.parentKind, ref.parentAddress |
| 502 | if ref.root == "" && ref.rootAddress == "" { |
| 503 | ref.root, ref.rootAuthor, ref.rootKind, ref.rootAddress = row.ID, row.PubKey, row.Kind, item.Address |
| 504 | } |
| 505 | item.RootID, item.RootAuthor, item.RootKind, item.RootAddress = ref.root, ref.rootAuthor, ref.rootKind, ref.rootAddress |
| 506 | return item |
| 507 | } |
| 508 | func maxInt(a, b int) int { |
| 509 | if a > b { |
| 510 | return a |
| 511 | } |
| 512 | return b |
| 513 | } |
| 514 | func socialFilter(identifier string) (event.Filter, error) { |
| 515 | if socialHex(identifier) { |
| 516 | return event.Filter{IDs: []string{identifier}}, nil |
| 517 | } |
| 518 | parts := strings.SplitN(identifier, ":" , 3) |
| 519 | if len(parts) != 3 || parts[0] != "30023" || !socialHex(parts[1]) { |
| 520 | return event.Filter{}, errors.New("invalid: social post address" ) |
| 521 | } |
| 522 | return event.Filter{Kinds: []int{30023}, Authors: []string{parts[1]}, Tags: map[string][]string{"d" : {parts[2]}}}, nil |
| 523 | } |
| 524 | func (t *Tenant) socialPost(ctx context.Context, actor, identifier string) (event.Event, error) { |
| 525 | filter, err := socialFilter(identifier) |
| 526 | if err != nil { |
| 527 | return event.Event{}, err |
| 528 | } |
| 529 | rows, err := t.socialEvents(ctx, actor, []event.Filter{filter}) |
| 530 | if err != nil { |
| 531 | return event.Event{}, err |
| 532 | } |
| 533 | if len(rows) != 1 || (rows[0].Kind != 1 && rows[0].Kind != 30023 && rows[0].Kind != 1111) || event.Tag(rows[0], "h" ) != "" { |
| 534 | return event.Event{}, errors.New("not found: social post" ) |
| 535 | } |
| 536 | if rows[0].Kind == 1111 && socialReference(rows[0]).rootKind != 30023 { |
| 537 | return event.Event{}, errors.New("not found: social comment" ) |
| 538 | } |
| 539 | return rows[0], nil |
| 540 | } |
| 541 | func (t *Tenant) browseSocialThread(ctx context.Context, actor string, q socialBrowseRequest) (any, error) { |
| 542 | identifier := q.ID |
| 543 | if identifier == "" { |
| 544 | identifier = q.Address |
| 545 | } |
| 546 | post, err := t.socialPost(ctx, actor, identifier) |
| 547 | if err != nil { |
| 548 | return nil, err |
| 549 | } |
| 550 | items, err := t.socialItems(ctx, actor, []event.Event{post}) |
| 551 | if err != nil { |
| 552 | return nil, err |
| 553 | } |
| 554 | item := items[0] |
| 555 | if post.Kind == 1111 || post.Kind == 1 && item.ParentID != "" { |
| 556 | rootIdentifier := item.RootID |
| 557 | if item.RootAddress != "" { |
| 558 | rootIdentifier = item.RootAddress |
| 559 | } |
| 560 | root, rootErr := t.socialPost(ctx, actor, rootIdentifier) |
| 561 | if post.Kind == 1111 && rootErr != nil { |
| 562 | return nil, errors.New("not found: article for comment" ) |
| 563 | } |
| 564 | if rootErr == nil { |
| 565 | item.RootID, item.RootAuthor, item.RootKind, item.RootAddress = root.ID, root.PubKey, root.Kind, socialAddress(root) |
| 566 | } |
| 567 | } |
| 568 | cursor, err := parseCollaborationCursor(q.Cursor) |
| 569 | if err != nil { |
| 570 | return nil, err |
| 571 | } |
| 572 | activity, err := t.socialEvents(ctx, actor, socialActivityFilters([]event.Event{post})) |
| 573 | if err != nil { |
| 574 | return nil, err |
| 575 | } |
| 576 | replies := []event.Event{} |
| 577 | for _, row := range activity { |
| 578 | if !socialCommentFor(row, post) { |
| 579 | continue |
| 580 | } |
| 581 | if cursor != nil && (row.CreatedAt > cursor.CreatedAt || row.CreatedAt == cursor.CreatedAt && row.ID <= cursor.ID) { |
| 582 | continue |
| 583 | } |
| 584 | replies = append(replies, row) |
| 585 | } |
| 586 | next := "" |
| 587 | if len(replies) > q.Limit { |
| 588 | next = socialCursor(replies[q.Limit-1]) |
| 589 | replies = replies[:q.Limit] |
| 590 | } |
| 591 | comments, err := t.socialItems(ctx, actor, replies) |
| 592 | if err != nil { |
| 593 | return nil, err |
| 594 | } |
| 595 | return map[string]any{"post" : item, "comments" : comments, "next_cursor" : next}, nil |
| 596 | } |