| 1 | package tinyclient |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "net/url" |
| 7 | |
| 8 | "github.com/FelineStateMachine/tinyrelay/protocol/nostr" |
| 9 | ) |
| 10 | |
| 11 | // RoomsReader supplies the typed reads used by room pages. actor is the |
| 12 | // authenticated public key, or an empty string for an anonymous request. |
| 13 | // cursor is empty for the newest page and otherwise is the value returned in |
| 14 | // NextCursor. limit requests at most that many rows. The daemon adapter uses |
| 15 | // 100 when the requested limit falls outside 1 through 100. |
| 16 | // |
| 17 | // ListRooms returns visible room summaries ordered by room ID and a cursor for |
| 18 | // the next page. ReadRoom returns the room summary, visible members, newest |
| 19 | // room messages, message edits and a cursor for older messages. ReadThread |
| 20 | // returns the room summary, one root event, its replies, edits and a cursor for |
| 21 | // older replies. Reads enforce tenant and room access and return errors for |
| 22 | // missing rooms, invalid cursors or an inaccessible room. ReadThread also |
| 23 | // returns an error when rootID is not a lower-case hexadecimal event ID or does |
| 24 | // not identify a message in roomID. |
| 25 | type RoomsReader interface { |
| 26 | // ListRooms returns up to limit visible room summaries after cursor. |
| 27 | ListRooms(ctx context.Context, actor, cursor string, limit int) (RoomList, error) |
| 28 | // ReadRoom returns one visible room, its members, messages and edits after cursor. |
| 29 | ReadRoom(ctx context.Context, actor, roomID, cursor string, limit int) (RoomPage, error) |
| 30 | // ReadThread returns one room thread root, replies and edits after cursor. |
| 31 | ReadThread(ctx context.Context, actor, roomID, rootID, cursor string, limit int) (RoomPage, error) |
| 32 | } |
| 33 | |
| 34 | type RoomList struct { |
| 35 | // Rooms contains visible room summaries in ascending ID order. |
| 36 | Rooms []RoomSummary `json:"rooms"` |
| 37 | // NextCursor is the last room ID when another page is available. |
| 38 | NextCursor string `json:"next_cursor,omitempty"` |
| 39 | } |
| 40 | |
| 41 | // RoomSummary is the room metadata shown in the rail and room header. |
| 42 | type RoomSummary struct { |
| 43 | ID string `json:"id"` |
| 44 | Name string `json:"name,omitempty"` |
| 45 | Access string `json:"access,omitempty"` |
| 46 | About string `json:"about,omitempty"` |
| 47 | Picture string `json:"picture,omitempty"` |
| 48 | CreatedBy string `json:"created_by,omitempty"` |
| 49 | CreatedAt int64 `json:"created_at,omitempty"` |
| 50 | EventID string `json:"event_id,omitempty"` |
| 51 | DeletedAt int64 `json:"deleted_at,omitempty"` |
| 52 | Members int `json:"members,omitempty"` |
| 53 | LastMessageAt int64 `json:"last_message_at,omitempty"` |
| 54 | Role string `json:"role,omitempty"` |
| 55 | } |
| 56 | |
| 57 | type RoomMember struct { |
| 58 | PubKey string `json:"pubkey"` |
| 59 | Role string `json:"role,omitempty"` |
| 60 | Agent bool `json:"agent,omitempty"` |
| 61 | Operator string `json:"operator,omitempty"` |
| 62 | AddedAt int64 `json:"added_at,omitempty"` |
| 63 | } |
| 64 | |
| 65 | type RoomMessage = nostr.Event |
| 66 | |
| 67 | // RoomPage is the typed result for a room or thread read. A room read fills |
| 68 | // Members and Messages; a thread read fills Root and Replies. Edits contains |
| 69 | // the newest visible edit for the returned targets. |
| 70 | type RoomPage struct { |
| 71 | Room RoomSummary `json:"room"` |
| 72 | Members []RoomMember `json:"members,omitempty"` |
| 73 | Messages []RoomMessage `json:"messages,omitempty"` |
| 74 | // ReplyCounts and ReactionCounts carry folded interaction summaries for |
| 75 | // the roots in Messages without expanding every reply into the timeline. |
| 76 | ReplyCounts map[string]int `json:"reply_counts,omitempty"` |
| 77 | ReactionCounts map[string]map[string]int `json:"reaction_counts,omitempty"` |
| 78 | Replies []RoomMessage `json:"replies,omitempty"` |
| 79 | Edits []RoomMessage `json:"edits,omitempty"` |
| 80 | Root *RoomMessage `json:"root,omitempty"` |
| 81 | NextCursor string `json:"next_cursor,omitempty"` |
| 82 | } |
| 83 | |
| 84 | // rowsReader converts method-and-JSON query results into the row slices used |
| 85 | // by page renderers. |
| 86 | type rowsReader struct{ backend Backend } |
| 87 | |
| 88 | func (r rowsReader) rows(ctx context.Context, method string, params []json.RawMessage, actor string) ([]any, error) { |
| 89 | result, err := r.backend.Query(ctx, method, params, actor) |
| 90 | if err != nil { |
| 91 | return nil, err |
| 92 | } |
| 93 | return browseRows(result), nil |
| 94 | } |
| 95 | |
| 96 | func (a *App) readRows(ctx context.Context, method string, params []json.RawMessage, actor string) ([]any, error) { |
| 97 | return rowsReader{backend: a.backend}.rows(ctx, method, params, actor) |
| 98 | } |
| 99 | |
| 100 | func (a *App) roomsReader() RoomsReader { |
| 101 | reader, _ := a.backend.(RoomsReader) |
| 102 | return reader |
| 103 | } |
| 104 | |
| 105 | func roomListValue(list RoomList) any { |
| 106 | return map[string]any{"items" : list.Rooms, "next_cursor" : list.NextCursor} |
| 107 | } |
| 108 | |
| 109 | func roomPageValueFromContract(page RoomPage) any { |
| 110 | return map[string]any{ |
| 111 | "room" : page.Room, |
| 112 | "members" : page.Members, |
| 113 | "messages" : page.Messages, |
| 114 | "reply_counts" : page.ReplyCounts, |
| 115 | "reaction_counts" : page.ReactionCounts, |
| 116 | "replies" : page.Replies, |
| 117 | "edits" : page.Edits, |
| 118 | "root" : page.Root, |
| 119 | "next_cursor" : page.NextCursor, |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | func (a *App) typedRoomResult(ctx context.Context, route roomPath, query url.Values, actor string) (any, error, bool) { |
| 124 | reader := a.roomsReader() |
| 125 | if reader == nil || route.tab == "" { |
| 126 | return nil, nil, false |
| 127 | } |
| 128 | var ( |
| 129 | value any |
| 130 | err error |
| 131 | ) |
| 132 | switch route.tab { |
| 133 | case "rooms" : |
| 134 | list, readErr := reader.ListRooms(ctx, actor, query.Get("cursor" ), 100) |
| 135 | value, err = roomListValue(list), readErr |
| 136 | case "room" : |
| 137 | page, readErr := reader.ReadRoom(ctx, actor, route.id, query.Get("cursor" ), 50) |
| 138 | value, err = roomPageValueFromContract(page), readErr |
| 139 | case "thread" : |
| 140 | page, readErr := reader.ReadThread(ctx, actor, route.id, route.event, query.Get("cursor" ), 50) |
| 141 | value, err = roomPageValueFromContract(page), readErr |
| 142 | } |
| 143 | return value, err, true |
| 144 | } |
