326 lines
11 KiB
Python
326 lines
11 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
from django.conf import settings
|
|
from django.db.models import Count, Sum, F, Value
|
|
from django.db.models.functions import Coalesce
|
|
|
|
import ox
|
|
from ox.utils import json
|
|
from oxdjango.decorators import login_required_json
|
|
from oxdjango.shortcuts import render_to_json_response, get_object_or_404_json, json_response, HttpErrorJson
|
|
|
|
|
|
from oxdjango.api import actions
|
|
|
|
from item import utils
|
|
from item.models import Item
|
|
from item.utils import get_by_id
|
|
from entity.models import Entity
|
|
from changelog.models import add_changelog
|
|
|
|
from . import models
|
|
from .tasks import update_item, add_annotations
|
|
|
|
def get_annotation_or_404_json(id):
|
|
try:
|
|
return models.Annotation.get(id)
|
|
except models.Annotation.DoesNotExist:
|
|
response = {'status': {'code': 404,
|
|
'text': 'Annotation not found'}}
|
|
raise HttpErrorJson(response)
|
|
|
|
def parse_query(data, user):
|
|
query = {}
|
|
query['range'] = [0, 100]
|
|
query['sort'] = [{'key': 'in', 'operator': '+'}]
|
|
for key in ('keys', 'group', 'range', 'sort', 'query'):
|
|
if key in data:
|
|
query[key] = data[key]
|
|
query['qs'] = models.Annotation.objects.find(query, user)
|
|
if 'itemsQuery' in data:
|
|
item_query = Item.objects.find({'query': data['itemsQuery']}, user)
|
|
query['qs'] = query['qs'].filter(item__in=item_query)
|
|
return query
|
|
|
|
def annotation_sort_key(key):
|
|
return {
|
|
'text': 'value',
|
|
'position': 'start',
|
|
}.get(key, key)
|
|
|
|
def order_query(qs, sort):
|
|
order_by = []
|
|
for e in sort:
|
|
operator = e['operator']
|
|
if operator != '-':
|
|
operator = ''
|
|
key = {
|
|
'id': 'public_id',
|
|
'duration': 'clip__duration',
|
|
'in': 'start',
|
|
'lightness': 'clip__lightness',
|
|
'out': 'end',
|
|
'saturation': 'clip__saturation',
|
|
'volume': 'clip__volume',
|
|
}.get(e['key'], e['key'])
|
|
if key.startswith('clip:'):
|
|
key = annotation_sort_key(e['key'][len('clip:'):])
|
|
elif key not in ('start', 'end', 'value') and not key.startswith('clip__'):
|
|
#key mgith need to be changed, see order_sort in item/views.py
|
|
key = "item__sort__%s" % key
|
|
order = '%s%s' % (operator, key)
|
|
order_by.append(order)
|
|
if order_by:
|
|
qs = qs.order_by(*order_by, nulls_last=True).exclude(value='')
|
|
return qs
|
|
|
|
def findAnnotations(request, data):
|
|
'''
|
|
Finds annotations for a given query
|
|
takes {
|
|
query: object, // annotation query object, see `find`
|
|
itemsQuery: object, // item query object, see `find`
|
|
keys: [string, string, ...], // list of keys to return, see `find`
|
|
position: int,
|
|
positions: [string, string], // list of item ids, see `find`
|
|
range: [int, int], // items to return, per current sort order, see `find`
|
|
sort: [] // list of sort object, see `find`
|
|
}
|
|
returns { // if `keys` is present
|
|
annotations: [{
|
|
id: string, // annotation id
|
|
... // more annotation properties
|
|
}]
|
|
} or { // if `keys` is missing
|
|
items: int, // total number of matching annotations
|
|
duration: float // total duration of matching annotations, in seconds
|
|
} or { // if `positions` is present
|
|
positions: { // returns positions of given annotations
|
|
id: position, // position of the annotation, per current sort order
|
|
... // more id/position pairs
|
|
}
|
|
}
|
|
|
|
see: addAnnotation, addAnnotations, editAnnotation, find, getAnnotation,
|
|
removeAnnotation
|
|
'''
|
|
response = json_response()
|
|
|
|
query = parse_query(data, request.user)
|
|
qs = order_query(query['qs'], query['sort'])
|
|
if 'keys' in data:
|
|
qs = qs.select_related()[query['range'][0]:query['range'][1]]
|
|
entity_cache = {}
|
|
response['data']['items'] = [
|
|
p.json(keys=data['keys'], entity_cache=entity_cache)
|
|
for p in qs
|
|
]
|
|
elif 'position' in query:
|
|
ids = [i.public_id for i in qs]
|
|
data['conditions'] = data['conditions'] + {
|
|
'value': data['position'],
|
|
'key': query['sort'][0]['key'],
|
|
'operator': '^'
|
|
}
|
|
query = parse_query(data, request.user)
|
|
qs = order_query(query['qs'], query['sort'])
|
|
if qs.count() > 0:
|
|
response['data']['position'] = utils.get_positions(ids, [qs[0].public_id])[0]
|
|
elif 'positions' in data:
|
|
ids = [i.public_id for i in qs]
|
|
response['data']['positions'] = utils.get_positions(ids, data['positions'])
|
|
else:
|
|
response['data'] = qs.aggregate(
|
|
items=Count('*'),
|
|
duration=Coalesce(Sum(F('end') - F('start')), Value(0)),
|
|
)
|
|
return render_to_json_response(response)
|
|
actions.register(findAnnotations)
|
|
|
|
def getAnnotation(request, data):
|
|
'''
|
|
Gets data for an annotation
|
|
takes {
|
|
id: string, // annotation id
|
|
keys: [string] // list of keys to return
|
|
}
|
|
returns {
|
|
key: value, // property id and value
|
|
... // more key/value pairs
|
|
}
|
|
'''
|
|
response = json_response({})
|
|
data['keys'] = data.get('keys', [])
|
|
annotation = get_annotation_or_404_json(data['id'])
|
|
response['data'] = annotation.json(keys=data['keys'], user=request.user)
|
|
return render_to_json_response(response)
|
|
actions.register(getAnnotation)
|
|
|
|
@login_required_json
|
|
def addAnnotation(request, data):
|
|
'''
|
|
Adds a single annotation
|
|
takes {
|
|
item: string, // item id
|
|
layer: string, // annotation layer id
|
|
in: float, // in point in seconds
|
|
out: float, // out point in seconds
|
|
value: string // annotation value
|
|
}
|
|
returns {
|
|
id: string, // annotation id
|
|
... // more annotation properties
|
|
}
|
|
see: addAnnotations, editAnnotation, findAnnotations, getAnnotation,
|
|
getTaskStatus, removeAnnotation
|
|
'''
|
|
for key in ('item', 'layer', 'in', 'out', 'value'):
|
|
if key not in data:
|
|
return render_to_json_response(json_response(status=400,
|
|
text='invalid data'))
|
|
|
|
item = get_object_or_404_json(Item, public_id=data['item'])
|
|
|
|
layer_id = data['layer']
|
|
layer = get_by_id(settings.CONFIG['layers'], layer_id)
|
|
if layer['canAddAnnotations'].get(request.user.profile.get_level()) or item.editable(request.user):
|
|
if layer['type'] == 'entity':
|
|
try:
|
|
value = Entity.get_by_name(ox.decode_html(data['value']), layer['entity']).get_id()
|
|
except Entity.DoesNotExist:
|
|
response = json_response({})
|
|
response['status']['text'] = 'unknown entity'
|
|
return render_to_json_response(response)
|
|
else:
|
|
value = data['value']
|
|
annotation = models.Annotation(
|
|
item=item,
|
|
layer=layer_id,
|
|
user=request.user,
|
|
start=float(data['in']), end=float(data['out']),
|
|
value=value)
|
|
annotation.save()
|
|
update_item.delay(annotation.id)
|
|
add_changelog(request, data, annotation.public_id)
|
|
response = json_response(annotation.json())
|
|
response['data']['editable'] = True
|
|
else:
|
|
response = json_response(status=403, text='permission denied')
|
|
return render_to_json_response(response)
|
|
actions.register(addAnnotation, cache=False)
|
|
|
|
@login_required_json
|
|
def addAnnotations(request, data):
|
|
'''
|
|
Adds multiple annotations
|
|
takes {
|
|
item: string, // item id
|
|
layer: string, // annotation layer id
|
|
annotations: [
|
|
{
|
|
in: float, // in point in seconds
|
|
out: float, // out point in seconds
|
|
value: string // annotation value
|
|
},
|
|
... // more annotations
|
|
]
|
|
}
|
|
returns {
|
|
taskId: string // task id, use `getTaskStatus` to poll
|
|
}
|
|
see: addAnnotation, editAnnotation, findAnnotations, getAnnotation,
|
|
getTaskStatus, removeAnnotation
|
|
'''
|
|
for key in ('item', 'layer', 'annotations'):
|
|
if key not in data:
|
|
return render_to_json_response(json_response(
|
|
status=400,
|
|
text='invalid data (missing "{}")'.format(key)))
|
|
|
|
item = get_object_or_404_json(Item, public_id=data['item'])
|
|
|
|
layer_id = data['layer']
|
|
layer = get_by_id(settings.CONFIG['layers'], layer_id)
|
|
if item.editable(request.user):
|
|
response = json_response()
|
|
data['user'] = request.user.username
|
|
t = add_annotations.delay(data)
|
|
add_changelog(request, data, item.public_id)
|
|
response['data']['taskId'] = t.task_id
|
|
else:
|
|
response = json_response(status=403, text='permission denied')
|
|
return render_to_json_response(response)
|
|
actions.register(addAnnotations, cache=False)
|
|
|
|
@login_required_json
|
|
def removeAnnotation(request, data):
|
|
'''
|
|
Removes an annotation
|
|
takes {
|
|
id: string // annotation id
|
|
}
|
|
returns {}
|
|
see: addAnnotation, addAnnotations, editAnnotation, findAnnotations,
|
|
getAnnotation
|
|
'''
|
|
response = json_response({})
|
|
a = get_object_or_404_json(models.Annotation, public_id=data['id'])
|
|
if a.editable(request.user):
|
|
add_changelog(request, data, a.public_id)
|
|
a.delete()
|
|
else:
|
|
response = json_response(status=403, text='permission denied')
|
|
return render_to_json_response(response)
|
|
actions.register(removeAnnotation, cache=False)
|
|
|
|
|
|
@login_required_json
|
|
def editAnnotation(request, data):
|
|
'''
|
|
Edits an annotation
|
|
takes {
|
|
id: string, // annotation id
|
|
in: float, // in point in seconds, optional
|
|
out: float, // out point in seconds, optional
|
|
value: string // annotation value, optional
|
|
}
|
|
returns {
|
|
id: string, // annotation id
|
|
... // more annotation properties
|
|
}
|
|
see: addAnnotation, addAnnotations, findAnnotations, getAnnotation,
|
|
removeAnnotation
|
|
'''
|
|
response = json_response({})
|
|
a = get_object_or_404_json(models.Annotation, public_id=data['id'])
|
|
if a.editable(request.user):
|
|
layer = get_by_id(settings.CONFIG['layers'], a.layer)
|
|
if 'layer' in data and data['layer'] != a.layer:
|
|
response = json_response(status=400, text='cannot change annotation layer')
|
|
return render_to_json_response(response)
|
|
for key in ('value', 'in', 'out'):
|
|
if key in data:
|
|
if key == 'value' and layer['type'] == 'entity':
|
|
try:
|
|
value = Entity.get_by_name(ox.decode_html(data['value']), layer['entity']).get_id()
|
|
except Entity.DoesNotExist:
|
|
response = json_response({})
|
|
response['status']['text'] = 'unknown entity'
|
|
return render_to_json_response(response)
|
|
else:
|
|
value = data[key]
|
|
setattr(a, {
|
|
'in': 'start',
|
|
'out': 'end'
|
|
}.get(key, key), value)
|
|
add_changelog(request, data)
|
|
a.save()
|
|
#update sort/find tables async
|
|
update_item.delay(a.id)
|
|
response['data'] = a.json()
|
|
response['data']['editable'] = True
|
|
else:
|
|
response = json_response(status=403, text='permission denied')
|
|
return render_to_json_response(response)
|
|
actions.register(editAnnotation, cache=False)
|
|
|