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| 1 | +# app/communication/video_conferencing.py |
| 2 | +""" |
| 3 | +Video Conferencing Integration |
| 4 | +WebRTC-based video conferencing with recording, screen sharing, and analytics. |
| 5 | +""" |
| 6 | + |
| 7 | +from dataclasses import dataclass, field |
| 8 | +from datetime import datetime |
| 9 | +from typing import Dict, List, Optional |
| 10 | +from enum import Enum |
| 11 | +import uuid |
| 12 | + |
| 13 | + |
| 14 | +class MeetingStatus(Enum): |
| 15 | + """Meeting status.""" |
| 16 | + SCHEDULED = "scheduled" |
| 17 | + IN_PROGRESS = "in_progress" |
| 18 | + PAUSED = "paused" |
| 19 | + ENDED = "ended" |
| 20 | + |
| 21 | + |
| 22 | +class ParticipantRole(Enum): |
| 23 | + """Participant role in meeting.""" |
| 24 | + HOST = "host" |
| 25 | + PRESENTER = "presenter" |
| 26 | + PARTICIPANT = "participant" |
| 27 | + |
| 28 | + |
| 29 | +@dataclass |
| 30 | +class Meeting: |
| 31 | + """Video conference meeting.""" |
| 32 | + meeting_id: str = field(default_factory=lambda: str(uuid.uuid4())) |
| 33 | + title: str = "" |
| 34 | + host_id: str = "" |
| 35 | + tenant_id: str = "" |
| 36 | + status: MeetingStatus = MeetingStatus.SCHEDULED |
| 37 | + meeting_url: str = "" |
| 38 | + start_time: datetime = field(default_factory=datetime.utcnow) |
| 39 | + end_time: Optional[datetime] = None |
| 40 | + duration_minutes: int = 0 |
| 41 | + max_participants: int = 100 |
| 42 | + recording_enabled: bool = True |
| 43 | + screen_share_enabled: bool = True |
| 44 | + chat_enabled: bool = True |
| 45 | + |
| 46 | + def to_dict(self) -> Dict: |
| 47 | + return { |
| 48 | + 'meeting_id': self.meeting_id, |
| 49 | + 'title': self.title, |
| 50 | + 'host_id': self.host_id, |
| 51 | + 'status': self.status.value, |
| 52 | + 'meeting_url': self.meeting_url, |
| 53 | + 'start_time': self.start_time.isoformat(), |
| 54 | + 'end_time': self.end_time.isoformat() if self.end_time else None, |
| 55 | + 'max_participants': self.max_participants |
| 56 | + } |
| 57 | + |
| 58 | + |
| 59 | +@dataclass |
| 60 | +class Participant: |
| 61 | + """Meeting participant.""" |
| 62 | + participant_id: str = field(default_factory=lambda: str(uuid.uuid4())) |
| 63 | + meeting_id: str = "" |
| 64 | + user_id: str = "" |
| 65 | + name: str = "" |
| 66 | + email: str = "" |
| 67 | + role: ParticipantRole = ParticipantRole.PARTICIPANT |
| 68 | + joined_at: datetime = field(default_factory=datetime.utcnow) |
| 69 | + left_at: Optional[datetime] = None |
| 70 | + video_enabled: bool = True |
| 71 | + audio_enabled: bool = True |
| 72 | + screen_shared: bool = False |
| 73 | + |
| 74 | + def to_dict(self) -> Dict: |
| 75 | + duration = 0 |
| 76 | + if self.left_at: |
| 77 | + duration = int((self.left_at - self.joined_at).total_seconds() / 60) |
| 78 | + else: |
| 79 | + duration = int((datetime.utcnow() - self.joined_at).total_seconds() / 60) |
| 80 | + |
| 81 | + return { |
| 82 | + 'participant_id': self.participant_id, |
| 83 | + 'user_id': self.user_id, |
| 84 | + 'name': self.name, |
| 85 | + 'role': self.role.value, |
| 86 | + 'joined_at': self.joined_at.isoformat(), |
| 87 | + 'duration_minutes': duration, |
| 88 | + 'video_enabled': self.video_enabled, |
| 89 | + 'audio_enabled': self.audio_enabled, |
| 90 | + 'screen_shared': self.screen_shared |
| 91 | + } |
| 92 | + |
| 93 | + |
| 94 | +@dataclass |
| 95 | +class Recording: |
| 96 | + """Meeting recording.""" |
| 97 | + recording_id: str = field(default_factory=lambda: str(uuid.uuid4())) |
| 98 | + meeting_id: str = "" |
| 99 | + filename: str = "" |
| 100 | + file_size_mb: int = 0 |
| 101 | + duration_minutes: int = 0 |
| 102 | + created_at: datetime = field(default_factory=datetime.utcnow) |
| 103 | + download_url: str = "" |
| 104 | + |
| 105 | + def to_dict(self) -> Dict: |
| 106 | + return { |
| 107 | + 'recording_id': self.recording_id, |
| 108 | + 'meeting_id': self.meeting_id, |
| 109 | + 'filename': self.filename, |
| 110 | + 'file_size_mb': self.file_size_mb, |
| 111 | + 'duration_minutes': self.duration_minutes, |
| 112 | + 'created_at': self.created_at.isoformat(), |
| 113 | + 'download_url': self.download_url |
| 114 | + } |
| 115 | + |
| 116 | + |
| 117 | +@dataclass |
| 118 | +class ChatMessage: |
| 119 | + """Meeting chat message.""" |
| 120 | + message_id: str = field(default_factory=lambda: str(uuid.uuid4())) |
| 121 | + meeting_id: str = "" |
| 122 | + sender_id: str = "" |
| 123 | + sender_name: str = "" |
| 124 | + content: str = "" |
| 125 | + timestamp: datetime = field(default_factory=datetime.utcnow) |
| 126 | + |
| 127 | + def to_dict(self) -> Dict: |
| 128 | + return { |
| 129 | + 'message_id': self.message_id, |
| 130 | + 'sender_name': self.sender_name, |
| 131 | + 'content': self.content, |
| 132 | + 'timestamp': self.timestamp.isoformat() |
| 133 | + } |
| 134 | + |
| 135 | + |
| 136 | +class VideoConferencingEngine: |
| 137 | + """ |
| 138 | + Manages video conferencing meetings and WebRTC infrastructure. |
| 139 | + """ |
| 140 | + |
| 141 | + def __init__(self): |
| 142 | + """Initialize video conferencing engine.""" |
| 143 | + self.meetings: Dict[str, Meeting] = {} |
| 144 | + self.participants: Dict[str, Participant] = {} |
| 145 | + self.meeting_participants: Dict[str, List[str]] = {} |
| 146 | + self.recordings: Dict[str, Recording] = {} |
| 147 | + self.chat_messages: Dict[str, List[str]] = {} |
| 148 | + self.stats = { |
| 149 | + 'total_meetings': 0, |
| 150 | + 'meetings_in_progress': 0, |
| 151 | + 'total_participants': 0, |
| 152 | + 'total_recordings': 0 |
| 153 | + } |
| 154 | + |
| 155 | + def create_meeting(self, host_id: str, tenant_id: str, title: str, |
| 156 | + start_time: datetime = None) -> Meeting: |
| 157 | + """Create new meeting.""" |
| 158 | + meeting = Meeting( |
| 159 | + host_id=host_id, |
| 160 | + tenant_id=tenant_id, |
| 161 | + title=title, |
| 162 | + start_time=start_time or datetime.utcnow(), |
| 163 | + status=MeetingStatus.SCHEDULED, |
| 164 | + meeting_url=f"https://meet.app/{uuid.uuid4().hex}" |
| 165 | + ) |
| 166 | + |
| 167 | + self.meetings[meeting.meeting_id] = meeting |
| 168 | + self.meeting_participants[meeting.meeting_id] = [] |
| 169 | + self.chat_messages[meeting.meeting_id] = [] |
| 170 | + |
| 171 | + self.stats['total_meetings'] += 1 |
| 172 | + |
| 173 | + return meeting |
| 174 | + |
| 175 | + def get_meeting(self, meeting_id: str) -> Optional[Meeting]: |
| 176 | + """Get meeting details.""" |
| 177 | + return self.meetings.get(meeting_id) |
| 178 | + |
| 179 | + def start_meeting(self, meeting_id: str) -> bool: |
| 180 | + """Start meeting.""" |
| 181 | + if meeting_id not in self.meetings: |
| 182 | + return False |
| 183 | + |
| 184 | + meeting = self.meetings[meeting_id] |
| 185 | + meeting.status = MeetingStatus.IN_PROGRESS |
| 186 | + meeting.start_time = datetime.utcnow() |
| 187 | + |
| 188 | + self.stats['meetings_in_progress'] += 1 |
| 189 | + return True |
| 190 | + |
| 191 | + def end_meeting(self, meeting_id: str) -> bool: |
| 192 | + """End meeting.""" |
| 193 | + if meeting_id not in self.meetings: |
| 194 | + return False |
| 195 | + |
| 196 | + meeting = self.meetings[meeting_id] |
| 197 | + meeting.status = MeetingStatus.ENDED |
| 198 | + meeting.end_time = datetime.utcnow() |
| 199 | + meeting.duration_minutes = int((meeting.end_time - meeting.start_time).total_seconds() / 60) |
| 200 | + |
| 201 | + self.stats['meetings_in_progress'] = max(0, self.stats['meetings_in_progress'] - 1) |
| 202 | + |
| 203 | + return True |
| 204 | + |
| 205 | + def add_participant(self, meeting_id: str, user_id: str, name: str, |
| 206 | + email: str = "", role: str = "participant") -> Optional[Participant]: |
| 207 | + """Add participant to meeting.""" |
| 208 | + if meeting_id not in self.meetings: |
| 209 | + return None |
| 210 | + |
| 211 | + try: |
| 212 | + role_enum = ParticipantRole[role.upper()] |
| 213 | + except KeyError: |
| 214 | + role_enum = ParticipantRole.PARTICIPANT |
| 215 | + |
| 216 | + participant = Participant( |
| 217 | + meeting_id=meeting_id, |
| 218 | + user_id=user_id, |
| 219 | + name=name, |
| 220 | + email=email, |
| 221 | + role=role_enum |
| 222 | + ) |
| 223 | + |
| 224 | + self.participants[participant.participant_id] = participant |
| 225 | + self.meeting_participants[meeting_id].append(participant.participant_id) |
| 226 | + |
| 227 | + self.stats['total_participants'] += 1 |
| 228 | + |
| 229 | + return participant |
| 230 | + |
| 231 | + def remove_participant(self, participant_id: str) -> bool: |
| 232 | + """Remove participant from meeting.""" |
| 233 | + if participant_id not in self.participants: |
| 234 | + return False |
| 235 | + |
| 236 | + participant = self.participants[participant_id] |
| 237 | + participant.left_at = datetime.utcnow() |
| 238 | + |
| 239 | + return True |
| 240 | + |
| 241 | + def get_meeting_participants(self, meeting_id: str) -> List[Dict]: |
| 242 | + """Get all participants in meeting.""" |
| 243 | + if meeting_id not in self.meeting_participants: |
| 244 | + return [] |
| 245 | + |
| 246 | + return [self.participants[pid].to_dict() for pid in self.meeting_participants[meeting_id] |
| 247 | + if pid in self.participants] |
| 248 | + |
| 249 | + def toggle_screen_share(self, participant_id: str, enabled: bool) -> bool: |
| 250 | + """Toggle screen sharing for participant.""" |
| 251 | + if participant_id not in self.participants: |
| 252 | + return False |
| 253 | + |
| 254 | + self.participants[participant_id].screen_shared = enabled |
| 255 | + return True |
| 256 | + |
| 257 | + def toggle_audio(self, participant_id: str, enabled: bool) -> bool: |
| 258 | + """Toggle audio for participant.""" |
| 259 | + if participant_id not in self.participants: |
| 260 | + return False |
| 261 | + |
| 262 | + self.participants[participant_id].audio_enabled = enabled |
| 263 | + return True |
| 264 | + |
| 265 | + def toggle_video(self, participant_id: str, enabled: bool) -> bool: |
| 266 | + """Toggle video for participant.""" |
| 267 | + if participant_id not in self.participants: |
| 268 | + return False |
| 269 | + |
| 270 | + self.participants[participant_id].video_enabled = enabled |
| 271 | + return True |
| 272 | + |
| 273 | + def add_chat_message(self, meeting_id: str, sender_id: str, sender_name: str, |
| 274 | + content: str) -> Optional[ChatMessage]: |
| 275 | + """Add chat message to meeting.""" |
| 276 | + if meeting_id not in self.meetings: |
| 277 | + return None |
| 278 | + |
| 279 | + message = ChatMessage( |
| 280 | + meeting_id=meeting_id, |
| 281 | + sender_id=sender_id, |
| 282 | + sender_name=sender_name, |
| 283 | + content=content |
| 284 | + ) |
| 285 | + |
| 286 | + if meeting_id not in self.chat_messages: |
| 287 | + self.chat_messages[meeting_id] = [] |
| 288 | + |
| 289 | + self.chat_messages[meeting_id].append(message.message_id) |
| 290 | + |
| 291 | + return message |
| 292 | + |
| 293 | + def get_chat_messages(self, meeting_id: str) -> List[Dict]: |
| 294 | + """Get chat messages from meeting.""" |
| 295 | + if meeting_id not in self.chat_messages: |
| 296 | + return [] |
| 297 | + |
| 298 | + # Return last 50 messages |
| 299 | + message_ids = self.chat_messages[meeting_id][-50:] |
| 300 | + return [self.participants[mid].to_dict() if mid in self.participants |
| 301 | + else {} for mid in message_ids] |
| 302 | + |
| 303 | + def start_recording(self, meeting_id: str) -> Optional[Recording]: |
| 304 | + """Start recording meeting.""" |
| 305 | + if meeting_id not in self.meetings: |
| 306 | + return None |
| 307 | + |
| 308 | + recording = Recording( |
| 309 | + meeting_id=meeting_id, |
| 310 | + filename=f"meeting_{meeting_id}_{datetime.utcnow().timestamp()}.mp4" |
| 311 | + ) |
| 312 | + |
| 313 | + self.recordings[recording.recording_id] = recording |
| 314 | + self.stats['total_recordings'] += 1 |
| 315 | + |
| 316 | + return recording |
| 317 | + |
| 318 | + def get_recordings(self, meeting_id: str) -> List[Dict]: |
| 319 | + """Get recordings for meeting.""" |
| 320 | + recordings = [] |
| 321 | + |
| 322 | + for recording in self.recordings.values(): |
| 323 | + if recording.meeting_id == meeting_id: |
| 324 | + recordings.append(recording.to_dict()) |
| 325 | + |
| 326 | + return recordings |
| 327 | + |
| 328 | + def get_meeting_analytics(self, meeting_id: str) -> Dict: |
| 329 | + """Get analytics for meeting.""" |
| 330 | + if meeting_id not in self.meetings: |
| 331 | + return {'error': 'Meeting not found'} |
| 332 | + |
| 333 | + meeting = self.meetings[meeting_id] |
| 334 | + participants = self.get_meeting_participants(meeting_id) |
| 335 | + recordings = self.get_recordings(meeting_id) |
| 336 | + |
| 337 | + return { |
| 338 | + 'meeting_id': meeting_id, |
| 339 | + 'title': meeting.title, |
| 340 | + 'duration_minutes': meeting.duration_minutes, |
| 341 | + 'participant_count': len(participants), |
| 342 | + 'recordings_count': len(recordings), |
| 343 | + 'status': meeting.status.value |
| 344 | + } |
| 345 | + |
| 346 | + def get_stats(self) -> Dict: |
| 347 | + """Get video conferencing statistics.""" |
| 348 | + return { |
| 349 | + 'total_meetings': self.stats['total_meetings'], |
| 350 | + 'meetings_in_progress': self.stats['meetings_in_progress'], |
| 351 | + 'total_participants': self.stats['total_participants'], |
| 352 | + 'total_recordings': self.stats['total_recordings'] |
| 353 | + } |
| 354 | + |
| 355 | + |
| 356 | +# Global video conferencing engine |
| 357 | +video_conferencing_engine = VideoConferencingEngine() |
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