584 lines
20 KiB
Python
584 lines
20 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division
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import os.path
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from datetime import datetime
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from django.db.models import Count, Sum, Max
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from django.http import HttpResponse, Http404
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from django.shortcuts import get_object_or_404, redirect
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from django.conf import settings
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from ox.utils import json
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from ox.django.decorators import login_required_json
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from ox.django.shortcuts import render_to_json_response, get_object_or_404_json, json_response
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from ox.django.http import HttpFileResponse
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from django.db.models import Q
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import ox
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import models
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import utils
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import tasks
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from archive.models import File
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from archive import extract
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from annotation.models import Annotation
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from api.actions import actions
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def _order_query(qs, sort, prefix='sort__'):
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order_by = []
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if len(sort) == 1:
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if sort[0]['key'] == 'title':
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sort.append({'operator': '-', 'key': 'year'})
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sort.append({'operator': '+', 'key': 'director'})
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elif sort[0]['key'] == 'director':
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sort.append({'operator': '-', 'key': 'year'})
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sort.append({'operator': '+', 'key': 'title'})
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elif sort[0]['key'] == 'year':
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sort.append({'operator': '+', 'key': 'director'})
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sort.append({'operator': '+', 'key': 'title'})
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elif not sort[0]['key'] in ('value', 'value_sort'):
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sort.append({'operator': '+', 'key': 'director'})
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sort.append({'operator': '-', 'key': 'year'})
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sort.append({'operator': '+', 'key': 'title'})
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for e in sort:
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operator = e['operator']
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if operator != '-':
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operator = ''
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key = {
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'id': 'itemId',
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'accessed': 'accessed__access',
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'viewed': 'accessed__access',
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}.get(e['key'], e['key'])
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if key not in ('accessed__access', 'accessed__accessed'):
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key = "%s%s" % (prefix, key)
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order = '%s%s' % (operator, key)
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order_by.append(order)
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if order_by:
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qs = qs.order_by(*order_by, nulls_last=True)
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return qs
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def _order_by_group(query):
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if 'sort' in query:
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if len(query['sort']) == 1 and query['sort'][0]['key'] == 'items':
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if query['group'] == "year":
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order_by = query['sort'][0]['operator'] == '-' and 'items' or '-items'
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else:
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order_by = query['sort'][0]['operator'] == '-' and '-items' or 'items'
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if query['group'] != "keyword":
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order_by = (order_by, 'value_sort')
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else:
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order_by = (order_by,)
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else:
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order_by = query['sort'][0]['operator'] == '-' and '-value_sort' or 'value_sort'
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order_by = (order_by, 'items')
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else:
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order_by = ('-value_sort', 'items')
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return order_by
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def parse_query(data, user):
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query = {}
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query['range'] = [0, 100]
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query['sort'] = [{'key':'title', 'operator':'+'}]
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for key in ('sort', 'keys', 'group', 'range', 'position', 'positions'):
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if key in data:
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query[key] = data[key]
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query['qs'] = models.Item.objects.find(data, user)
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if 'annotations' in data:
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query['annotations'] = data['annotations']
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#FIXME: annotations need manager find(data, user)
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query['aqs'] = Annotation.objects.filter(Q(layer__private=False)|Q(user=user))
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#group by only allows sorting by name or number of itmes
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return query
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def find(request):
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'''
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param data {
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'query': query,
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'sort': array,
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'range': array
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}
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query: query object, more on query syntax at
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https://wiki.0x2620.org/wiki/pandora/QuerySyntax
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sort: array of key, operator dics
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[
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{
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key: "year",
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operator: "-"
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},
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{
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key: "director",
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operator: ""
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}
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]
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range: result range, array [from, to]
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keys: array of keys to return
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group: group elements by, country, genre, director...
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with keys, items is list of dicts with requested properties:
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return {'status': {'code': int, 'text': string},
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'data': {items: array}}
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Groups
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param data {
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'query': query,
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'key': string,
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'group': string,
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'range': array
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}
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query: query object, more on query syntax at
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https://wiki.0x2620.org/wiki/pandora/QuerySyntax
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range: result range, array [from, to]
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keys: array of keys to return
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group: group elements by, country, genre, director...
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possible values for keys: name, items
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with keys
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items contains list of {'name': string, 'items': int}:
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return {'status': {'code': int, 'text': string},
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'data': {items: array}}
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without keys: return number of items in given query
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return {'status': {'code': int, 'text': string},
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'data': {items: int}}
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Positions
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param data {
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'query': query,
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'positions': [],
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'sort': array
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}
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query: query object, more on query syntax at
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https://wiki.0x2620.org/wiki/pandora/QuerySyntax
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positions: ids of items for which positions are required
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return {
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status: {...},
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data: {
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positions: {
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id: position
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}
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}
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}
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'''
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data = json.loads(request.POST['data'])
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if settings.JSON_DEBUG:
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print json.dumps(data, indent=2)
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query = parse_query(data, request.user)
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response = json_response({})
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if 'group' in query:
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response['data']['items'] = []
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items = 'items'
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item_qs = query['qs']
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order_by = _order_by_group(query)
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qs = models.Facet.objects.filter(key=query['group']).filter(item__id__in=item_qs)
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qs = qs.values('value').annotate(items=Count('id')).order_by(*order_by)
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if 'positions' in query:
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response['data']['positions'] = {}
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ids = [j['value'] for j in qs]
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response['data']['positions'] = utils.get_positions(ids, query['positions'])
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elif 'range' in data:
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qs = qs[query['range'][0]:query['range'][1]]
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response['data']['items'] = [{'name': i['value'], 'items': i[items]} for i in qs]
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else:
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response['data']['items'] = qs.count()
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elif 'position' in query:
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qs = _order_query(query['qs'], query['sort'])
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ids = [j['itemId'] for j in qs.values('itemId')]
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data['conditions'] = data['conditions'] + {
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'value': query['position'],
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'key': query['sort'][0]['key'],
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'operator': '^'
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}
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query = parse_query(data, request.user)
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qs = _order_query(query['qs'], query['sort'])
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if qs.count() > 0:
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response['data']['position'] = utils.get_positions(ids, [qs[0].itemId])[0]
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elif 'positions' in query:
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qs = _order_query(query['qs'], query['sort'])
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ids = [j['itemId'] for j in qs.values('itemId')]
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response['data']['positions'] = utils.get_positions(ids, query['positions'])
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elif 'keys' in query:
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response['data']['items'] = []
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qs = _order_query(query['qs'], query['sort'])
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_p = query['keys']
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def only_p_sums(m):
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r = {}
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for p in _p:
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if p == 'viewed' and request.user.is_authenticated():
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value = m.accessed.filter(user=request.user).annotate(v=Max('access'))
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r[p] = value.exists() and value[0].v or None
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elif p == 'accessed':
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r[p] = m.a
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elif p == 'popularity':
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r[p] = m.sort.popularity
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else:
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r[p] = m.json.get(p, '')
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if 'annotations' in query:
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n = query['annotations']
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r['annotations'] = [a.json(layer=True)
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for a in query['aqs'].filter(itemID=m.id)[:n]]
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return r
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def only_p(m):
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r = {}
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if m:
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m = json.loads(m)
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for p in _p:
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r[p] = m.get(p, '')
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if 'annotations' in query:
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n = query['annotations']
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r['annotations'] = [a.json(layer=True)
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for a in query['aqs'].filter(item__itemId=m['id'])[:n]]
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return r
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qs = qs[query['range'][0]:query['range'][1]]
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#response['data']['items'] = [m.get_json(_p) for m in qs]
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if 'popularity' in _p:
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qs = qs.annotate(popularity=Sum('accessed__accessed'))
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if 'accessed' in _p:
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qs = qs.annotate(a=Max('accessed__access'))
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if 'viewed' in _p or 'popularity' in _p or 'accessed' in _p:
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response['data']['items'] = [only_p_sums(m) for m in qs]
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else:
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response['data']['items'] = [only_p(m['json']) for m in qs.values('json')]
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else: # otherwise stats
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items = query['qs']
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files = File.objects.filter(item__in=items).filter(size__gt=0)
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r = files.aggregate(
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Sum('duration'),
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Sum('pixels'),
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Sum('size')
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)
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response['data']['duration'] = r['duration__sum']
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response['data']['files'] = files.count()
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response['data']['items'] = items.count()
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response['data']['pixels'] = r['pixels__sum']
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response['data']['runtime'] = items.aggregate(Sum('sort__runtime'))['sort__runtime__sum']
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response['data']['size'] = r['size__sum']
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for key in ('runtime', 'duration', 'pixels', 'size'):
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if response['data'][key] == None:
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response['data'][key] = 0
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return render_to_json_response(response)
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actions.register(find)
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def autocomplete(request):
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'''
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param data
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key
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value
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operator '', '^', '$'
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range
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return
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'''
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data = json.loads(request.POST['data'])
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if not 'range' in data:
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data['range'] = [0, 10]
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op = data.get('operator', '')
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site_config = models.site_config()
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key = site_config['keys'][data['key']]
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order_by = key.get('autocompleteSortKey', False)
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if order_by:
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order_by = '-sort__%s' % order_by
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else:
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order_by = '-items'
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sort_type = key.get('sort', key.get('type', 'string'))
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if sort_type == 'title':
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qs = parse_query({'query': data.get('query', {})}, request.user)['qs']
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if data['value']:
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if op == '':
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qs = qs.filter(find__key=data['key'], find__value__icontains=data['value'])
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elif op == '^':
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qs = qs.filter(find__key=data['key'], find__value__istartswith=data['value'])
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elif op == '$':
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qs = qs.filter(find__key=data['key'], find__value__iendswith=data['value'])
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qs = qs.order_by(order_by, nulls_last=True)
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qs = qs[data['range'][0]:data['range'][1]]
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response = json_response({})
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response['data']['items'] = [i.get(data['key']) for i in qs]
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else:
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qs = models.Facet.objects.filter(key=data['key'])
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if data['value']:
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if op == '':
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qs = qs.filter(value__icontains=data['value'])
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elif op == '^':
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qs = qs.filter(value__istartswith=data['value'])
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elif op == '$':
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qs = qs.filter(value__iendswith=data['value'])
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qs = qs.values('value').annotate(items=Count('id'))
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qs = qs.order_by(order_by)
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qs = qs[data['range'][0]:data['range'][1]]
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response = json_response({})
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response['data']['items'] = [i['value'] for i in qs]
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return render_to_json_response(response)
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actions.register(autocomplete)
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def getItem(request):
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'''
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param data
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string id
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return item array
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'''
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response = json_response({})
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itemId = json.loads(request.POST['data'])
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item = get_object_or_404_json(models.Item, itemId=itemId)
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if item.access(request.user):
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info = item.get_json()
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info['stream'] = item.get_stream()
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info['layers'] = item.get_layers(request.user)
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response['data'] = info
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else:
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response = json_response(status=403, text='permission denied')
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return render_to_json_response(response)
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actions.register(getItem)
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@login_required_json
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def editItem(request):
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'''
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param data {
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id: string,
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key: value,..
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}
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return {
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status: {'code': int, 'text': string},
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data: {}
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}
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'''
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data = json.loads(request.POST['data'])
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item = get_object_or_404_json(models.Item, itemId=data['id'])
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if item.editable(request.user):
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response = json_response(status=200, text='ok')
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item.edit(data)
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else:
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response = json_response(status=403, text='permissino denied')
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return render_to_json_response(response)
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actions.register(editItem, cache=False)
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@login_required_json
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def removeItem(request):
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'''
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param data
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string id
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return {'status': {'code': int, 'text': string}}
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'''
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response = json_response({})
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itemId = json.loads(request.POST['data'])
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item = get_object_or_404_json(models.Item, itemId=itemId)
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if item.editable(request.user):
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response = json_response(status=501, text='not implemented')
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else:
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response = json_response(status=403, text='permission denied')
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return render_to_json_response(response)
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actions.register(removeItem, cache=False)
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'''
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Poster API
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'''
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def parse(request): #parse path and return info
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'''
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param data {
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path: string
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}
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return {
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status: {'code': int, 'text': string},
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data: {
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imdb: string
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}
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}
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'''
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path = json.loads(request.POST['data'])['path']
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response = json_response(utils.parse_path(path))
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return render_to_json_response(response)
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actions.register(parse)
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def setPosterFrame(request): #parse path and return info
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'''
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param data {
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id: itemId,
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position: float
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}
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return {
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status: {'code': int, 'text': string},
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data: {
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}
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}
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'''
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data = json.loads(request.POST['data'])
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item = get_object_or_404_json(models.Item, itemId=data['id'])
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if item.editable(request.user):
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#FIXME: some things need to be updated after changing this
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item.poster_frame = data['position']
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item.save()
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tasks.update_poster.delay(item.itemId)
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response = json_response()
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else:
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response = json_response(status=403, text='permissino denied')
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return render_to_json_response(response)
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actions.register(setPosterFrame, cache=False)
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def setPoster(request): #parse path and return info
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'''
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param data {
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id: itemId,
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url: string
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}
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return {
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status: {'code': int, 'text': string},
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data: {
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poster: {url,width,height}
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}
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}
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'''
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data = json.loads(request.POST['data'])
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item = get_object_or_404_json(models.Item, itemId=data['id'])
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if item.editable(request.user):
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valid_urls = [p.url for p in item.poster_urls.all()]
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if data['url'] in valid_urls:
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item.poster_url = data['url']
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if item.poster:
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item.poster.delete()
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item.save()
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tasks.update_poster.delay(item.itemId)
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response = json_response()
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response['data']['poster'] = item.get_poster()
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else:
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response = json_response(status=403, text='invalid poster url')
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else:
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response = json_response(status=403, text='permission denied')
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return render_to_json_response(response)
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actions.register(setPoster, cache=False)
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def getImdbId(request):
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'''
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param data {
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title: string,
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director: string,
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year: string
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}
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return {
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status: {'code': int, 'text': string},
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data: {
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imdbId:string
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}
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}
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'''
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data = json.loads(request.POST['data'])
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imdbId = ox.web.imdb.getImdbId(data['title'], data['director'], timeout=-1)
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if imdbId:
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response = json_response({'imdbId': imdbId})
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else:
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response = json_response(status=404, text='not found')
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return render_to_json_response(response)
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actions.register(getImdbId)
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'''
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media delivery
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'''
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def frame(request, id, position, size):
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item = get_object_or_404(models.Item, itemId=id)
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position = float(position.replace(',', '.'))
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frame = item.frame(position, int(size))
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if not frame:
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raise Http404
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return HttpFileResponse(frame, content_type='image/jpeg')
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def image_to_response(item, image, size=None):
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if size:
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size = int(size)
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path = image.path.replace('.jpg', '.%d.jpg'%size)
|
|
if not os.path.exists(path):
|
|
image_size = max(image.width, image.height)
|
|
if size > image_size:
|
|
return redirect('/%s/icon.jpg' % item.itemId)
|
|
extract.resize_image(image.path, path, size=size)
|
|
else:
|
|
path = image.path
|
|
return HttpFileResponse(path, content_type='image/jpeg')
|
|
|
|
|
|
def poster(request, id, size=None):
|
|
item = get_object_or_404(models.Item, itemId=id)
|
|
if size == 'large':
|
|
size = None
|
|
if item.poster:
|
|
return image_to_response(item, item.poster, size)
|
|
else:
|
|
if not size:
|
|
size='large'
|
|
poster_path = os.path.join(settings.STATIC_ROOT, 'png/posterDark.48.png')
|
|
return HttpFileResponse(poster_path, content_type='image/jpeg')
|
|
|
|
|
|
def icon(request, id, size=None):
|
|
item = get_object_or_404(models.Item, itemId=id)
|
|
if item.icon:
|
|
return image_to_response(item, item.icon, size)
|
|
else:
|
|
raise Http404
|
|
|
|
|
|
def timeline(request, id, timeline, size, position):
|
|
item = get_object_or_404(models.Item, itemId=id)
|
|
if timeline == 'strip':
|
|
timeline = '%s.%s.%04d.png' %(item.timeline_prefix[:-8] + 'strip', size, int(position))
|
|
else:
|
|
timeline = '%s.%s.%04d.png' %(item.timeline_prefix, size, int(position))
|
|
return HttpFileResponse(timeline, content_type='image/png')
|
|
|
|
|
|
def timeline_overview(request, id, size):
|
|
item = get_object_or_404(models.Item, itemId=id)
|
|
timeline = '%s.%s.png' %(item.timeline_prefix, size)
|
|
return HttpFileResponse(timeline, content_type='image/png')
|
|
|
|
|
|
def video(request, id, profile):
|
|
item = get_object_or_404(models.Item, itemId=id)
|
|
stream = get_object_or_404(item.streams, profile=profile)
|
|
path = stream.video.path
|
|
content_type = path.endswith('.mp4') and 'video/mp4' or 'video/webm'
|
|
#server side cutting
|
|
t = request.GET.get('t')
|
|
if t:
|
|
t = map(float, t.split(','))
|
|
ext = os.path.splitext(profile)[1]
|
|
if len(t) == 2 and t[1] > t[0] and stream.info['duration']>=t[1]:
|
|
response = HttpResponse(extract.chop(path, t[0], t[1]), content_type=content_type)
|
|
filename = "Clip of %s - %s-%s - %s %s%s" % (
|
|
item.get('title'),
|
|
ox.formatDuration(t[0] * 1000),
|
|
ox.formatDuration(t[1] * 1000),
|
|
settings.SITENAME,
|
|
item.itemId,
|
|
ext
|
|
)
|
|
response['Content-Disposition'] = 'attachment; filename="%s"' % filename
|
|
return response
|
|
else:
|
|
filename = "%s - %s %s%s" % (
|
|
item.get('title'),
|
|
settings.SITENAME,
|
|
item.itemId,
|
|
ext
|
|
)
|
|
response = HttpFileResponse(path, content_type=content_type)
|
|
response['Content-Disposition'] = 'attachment; filename="%s"' % filename
|
|
return response
|
|
return HttpFileResponse(path, content_type=content_type)
|