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3493993 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | from __future__ import annotations
import time
from app.core.logger import get_logger
from app.projects.editor_schemas import (
EDITOR_STATE_MAX_BYTES,
AudioClip,
EditorDocument,
EditorSaveRequest,
EditorStateResponse,
MediaClip,
)
from app.projects.errors import ProjectEditorAssetInvalidError, ProjectEditorInvalidError
from app.projects.models import ProjectEditorState
from app.projects.repositories.editor_repository import ProjectEditorRepository
from app.security.assets import CanonicalAssetNotFoundError, CanonicalAssetService
from app.security.audit import AuditService
logger = get_logger(__name__)
class ProjectEditorService:
def __init__(
self,
repository: ProjectEditorRepository,
assets: CanonicalAssetService,
audit: AuditService,
*,
state_max_bytes: int = EDITOR_STATE_MAX_BYTES,
max_tracks: int = 32,
max_clips: int = 500,
max_duration_seconds: int = 3600,
) -> None:
self.repository = repository
self.assets = assets
self.audit = audit
self.state_max_bytes = state_max_bytes
self.max_tracks = max_tracks
self.max_clips = max_clips
self.max_duration_ms = max_duration_seconds * 1000
async def get(self, *, workspace_id: str, user_id: str, project_id: str) -> EditorStateResponse:
return self._response(await self.repository.get(workspace_id, project_id, user_id=user_id))
async def save(
self,
*,
workspace_id: str,
user_id: str,
api_key_id: str,
request_id: str,
project_id: str,
payload: EditorSaveRequest,
) -> EditorStateResponse:
started = time.monotonic()
document = self._validate_document(payload.state, project_id)
await self._validate_assets(workspace_id, user_id, document)
try:
state, created = await self.repository.save(
workspace_id,
project_id,
user_id=user_id,
expected_revision=payload.expected_revision,
document=document,
)
except Exception as exc:
if getattr(exc, "code", None) == "PROJECT_EDITOR_REVISION_CONFLICT":
await self.audit.record_event(
workspace_id=workspace_id,
user_id=user_id,
api_key_id=api_key_id,
request_id=request_id,
event_type="project.editor_conflict",
entity_type="project",
entity_id=project_id,
metadata={"expected_revision": payload.expected_revision},
)
logger.info(
"project editor conflict",
extra={
"operation": "editor.conflict",
"project_id": project_id,
"workspace_id": workspace_id,
"expected_revision": payload.expected_revision,
},
)
raise
await self.audit.record_event(
workspace_id=workspace_id,
user_id=user_id,
api_key_id=api_key_id,
request_id=request_id,
event_type="project.editor_created" if created else "project.editor_updated",
entity_type="project",
entity_id=project_id,
metadata={"revision": state.revision, "schema_version": state.schema_version},
)
logger.info(
"project editor saved",
extra={
"operation": "editor.save",
"project_id": project_id,
"workspace_id": workspace_id,
"revision": state.revision,
"duration_ms": round((time.monotonic() - started) * 1000),
},
)
return self._response(state)
def _validate_document(self, document: EditorDocument, project_id: str) -> EditorDocument:
if document.project_id != project_id:
raise ProjectEditorInvalidError(
"Editor document project does not match the URL project."
)
if len(document.timeline.tracks) > self.max_tracks:
raise ProjectEditorInvalidError("Editor document contains too many tracks.")
clip_count = sum(len(track.clips) for track in document.timeline.tracks)
if clip_count > self.max_clips:
raise ProjectEditorInvalidError("Editor document contains too many clips.")
if document.duration_ms() > self.max_duration_ms:
raise ProjectEditorInvalidError(
"Editor timeline exceeds the configured duration limit."
)
try:
encoded = document.json_bytes()
except (TypeError, ValueError) as exc:
raise ProjectEditorInvalidError("Editor document contains invalid JSON.") from exc
if len(encoded) > self.state_max_bytes:
raise ProjectEditorInvalidError("Editor document exceeds the configured size limit.")
return document
async def _validate_assets(
self, workspace_id: str, user_id: str, document: EditorDocument
) -> None:
owned = {}
for asset_id in document.asset_ids():
try:
asset = await self.assets.get_owned_by_id(
workspace_id=workspace_id, user_id=user_id, asset_id=asset_id
)
if asset.project_id != document.project_id:
raise CanonicalAssetNotFoundError("Asset is not attached to this project.")
owned[asset_id] = asset
except CanonicalAssetNotFoundError as exc:
raise ProjectEditorAssetInvalidError(
"Every editor asset reference must belong to the authenticated workspace."
) from exc
for track in document.timeline.tracks:
for clip in track.clips:
if not isinstance(clip, (MediaClip, AudioClip)):
continue
asset = owned[clip.asset_id]
if isinstance(clip, AudioClip) and not asset.mime_type.startswith("audio/"):
raise ProjectEditorAssetInvalidError(
"An audio clip must reference an audio asset."
)
if isinstance(clip, MediaClip) and not asset.mime_type.startswith(
f"{clip.media_type}/"
):
raise ProjectEditorAssetInvalidError(
f"A {clip.media_type} clip must reference a {clip.media_type} asset."
)
metadata = asset.metadata_json or {}
duration_ms = metadata.get("duration_ms")
if duration_ms is None and isinstance(metadata.get("duration"), (int, float)):
duration_ms = float(metadata["duration"]) * 1000
if isinstance(duration_ms, (int, float)) and (
clip.source_start_ms + clip.source_duration_ms > duration_ms + 1
):
raise ProjectEditorAssetInvalidError(
"A clip source range exceeds its asset duration."
)
@staticmethod
def _response(state: ProjectEditorState) -> EditorStateResponse:
return EditorStateResponse(
project_id=state.project_id,
revision=state.revision,
schema_version=state.schema_version,
state=EditorDocument.model_validate(state.state_json),
created_at=state.created_at,
updated_at=state.updated_at,
updated_by=state.updated_by,
)
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