447 lines
16 KiB
Python
447 lines
16 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import division, print_function, absolute_import
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import os
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import re
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import json
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from django.db.models import Max, Sum
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from django.db import transaction
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from django.conf import settings
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from oxdjango.decorators import login_required_json
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from oxdjango.shortcuts import render_to_json_response, get_object_or_404_json, json_response
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from oxdjango.http import HttpFileResponse
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import ox
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from . import models
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from oxdjango.api import actions
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from item import utils
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from document.models import Document
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from user.tasks import update_numberofcollections
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from changelog.models import add_changelog
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def get_collection_or_404_json(id):
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id = id.split(':')
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username = id[0]
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collectionname = ":".join(id[1:])
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return get_object_or_404_json(models.Collection, user__username=username, name=collectionname)
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def _order_query(qs, sort):
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order_by = []
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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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'subscribed': 'subscribed_users',
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'items': 'numberofitems'
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}.get(e['key'], e['key'])
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order = '%s%s' % (operator, key)
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order_by.append(order)
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if key == 'subscribers':
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qs = qs.annotate(subscribers=Sum('subscribed_users'))
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if order_by:
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qs = qs.order_by(*order_by, nulls_last=True)
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qs = qs.distinct()
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return qs
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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': 'user', 'operator': '+'}, {'key': 'name', 'operator': '+'}]
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for key in ('keys', 'group', 'collection', 'range', 'position', 'positions', 'sort'):
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if key in data:
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query[key] = data[key]
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query['qs'] = models.Collection.objects.find(data, user)
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return query
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def findCollections(request, data):
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'''
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Finds collections for a given query
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takes {
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query: object, // query object, see `find`
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sort: [], // collection of sort objects, see `find`
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range: [int, int], // range of results to return
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keys: [string] // collection of properties to return
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}
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returns {
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items: [object] // collection of collection objects
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}
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notes: Possible query keys are 'featured', 'name', 'subscribed' and 'user',
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possible keys are 'featured', 'name', 'query', 'subscribed' and 'user'.
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see: addCollection, editCollection, find, getCollection, removeCollection, sortCollections
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'''
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query = parse_query(data, request.user)
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#order
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is_section_request = query['sort'] == [{u'operator': u'+', u'key': u'position'}]
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def is_featured_condition(x):
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return x['key'] == 'status' and \
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x['value'] == 'featured' and \
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x['operator'] in ('=', '==')
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is_featured = any(
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is_featured_condition(x)
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for x in data.get('query', {}).get('conditions', [])
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)
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if is_section_request:
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qs = query['qs']
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if not is_featured and not request.user.is_anonymous():
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qs = qs.filter(position__in=models.Position.objects.filter(user=request.user))
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qs = qs.order_by('position__position')
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else:
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qs = _order_query(query['qs'], query['sort'])
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response = json_response()
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if 'keys' in data:
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qs = qs[query['range'][0]:query['range'][1]]
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response['data']['items'] = [l.json(data['keys'], request.user) for l in qs]
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elif 'position' in data:
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#FIXME: actually implement position requests
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response['data']['position'] = 0
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elif 'positions' in data:
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ids = [i.get_id() for i in qs]
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response['data']['positions'] = utils.get_positions(ids, query['positions'])
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else:
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response['data']['items'] = qs.count()
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return render_to_json_response(response)
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actions.register(findCollections)
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def getCollection(request, data):
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'''
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Gets a collection by id
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takes {
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id: string // collection id
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}
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returns {
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id: string, // collection id
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section: string, // collections section (like 'personal')
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... // more key/value pairs
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}
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see: addCollection, editCollection, findCollections, removeCollection, sortCollections
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'''
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if 'id' in data:
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response = json_response()
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collection = get_collection_or_404_json(data['id'])
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if collection.accessible(request.user):
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response['data'] = collection.json(user=request.user)
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else:
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response = json_response(status=403, text='not allowed')
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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(getCollection)
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@login_required_json
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def addCollectionItems(request, data):
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'''
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Adds one or more items to a static collection
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takes {
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collection: string, // collection id
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items: [string], // either collection of item ids
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query: object // or query object, see `find`
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}
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returns {}
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see: find, orderCollectionItems, removeCollectionItems
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'''
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collection = get_collection_or_404_json(data['collection'])
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if 'items' in data:
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if collection.editable(request.user):
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with transaction.atomic():
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items = [ox.fromAZ(id) for id in data['items']]
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for item in Document.objects.filter(id__in=items):
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collection.add(item)
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response = json_response(status=200, text='items added')
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add_changelog(request, data, data['collection'])
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else:
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response = json_response(status=403, text='not allowed')
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elif 'query' in data:
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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=501, text='not implemented')
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return render_to_json_response(response)
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actions.register(addCollectionItems, cache=False)
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@login_required_json
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def removeCollectionItems(request, data):
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'''
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Removes one or more items from a static collection
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takes {
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collection: string, // collection id
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items: [itemId], // either collection of item ids
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query: object // or query object, see `find`
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}
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returns {}
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see: addCollectionItems, find, orderCollectionItems
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'''
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collection = get_collection_or_404_json(data['collection'])
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if 'items' in data:
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if collection.editable(request.user):
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items = [ox.fromAZ(id) for id in data['items']]
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collection.remove(documents=items)
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response = json_response(status=200, text='items removed')
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add_changelog(request, data, data['collection'])
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else:
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response = json_response(status=403, text='not allowed')
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elif 'query' in data:
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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=501, text='not implemented')
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return render_to_json_response(response)
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actions.register(removeCollectionItems, cache=False)
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@login_required_json
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def orderCollectionItems(request, data):
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'''
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Sets the manual ordering of items in a given collection
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takes {
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collection: string, // collection id
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ids: [string] // ordered collection of item ids
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}
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returns {}
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notes: There is no UI for this yet.
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see: addCollectionItems, removeCollectionItems
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'''
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collection = get_collection_or_404_json(data['collection'])
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response = json_response()
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if collection.editable(request.user) and collection.type == 'static':
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index = 0
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with transaction.atomic():
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for i in data['ids']:
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models.CollectionItem.objects.filter(collection=collection, item__public_id=i).update(index=index)
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index += 1
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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(orderCollectionItems, cache=False)
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@login_required_json
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def addCollection(request, data):
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'''
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Adds a new collection
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takes {
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name: value, // collection name (optional)
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... // more key/value pairs
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}
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returns {
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id: string, // collection id
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name: string, // collection name
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... // more key/value pairs
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}
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notes: Possible keys are 'description', 'items', 'name', 'query', 'sort',
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'type' and 'view'.
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see: editCollection, findCollections, getCollection, removeCollection, sortCollections
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'''
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data['name'] = re.sub(' \[\d+\]$', '', data.get('name', 'Untitled')).strip()
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name = data['name']
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if not name:
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name = "Untitled"
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num = 1
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created = False
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while not created:
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collection, created = models.Collection.objects.get_or_create(name=name, user=request.user)
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num += 1
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name = data['name'] + ' [%d]' % num
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del data['name']
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if data:
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collection.edit(data, request.user)
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else:
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collection.save()
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update_numberofcollections.delay(request.user.username)
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if 'items' in data:
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items = [ox.fromAZ(id) for id in data['items']]
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for item in Document.objects.filter(id__in=items):
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collection.add(item)
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if collection.status == 'featured':
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pos, created = models.Position.objects.get_or_create(collection=collection,
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user=request.user, section='featured')
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qs = models.Position.objects.filter(section='featured')
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else:
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pos, created = models.Position.objects.get_or_create(collection=collection,
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user=request.user, section='personal')
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qs = models.Position.objects.filter(user=request.user, section='personal')
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pos.position = qs.aggregate(Max('position'))['position__max'] + 1
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pos.save()
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response = json_response(status=200, text='created')
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response['data'] = collection.json(user=request.user)
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add_changelog(request, data, collection.get_id())
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return render_to_json_response(response)
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actions.register(addCollection, cache=False)
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@login_required_json
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def editCollection(request, data):
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'''
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Edits a collection
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takes {
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id: string, // collection id
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key: value, // property id and new value
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... // more key/value pairs
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}
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returns {
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id: string, // collection id
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... // more key/value pairs
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}
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notes: Possible keys are 'name', 'position', 'posterFrames', 'query' and
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'status'. 'posterFrames' is an array of {item, position}. If you change
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'status', you have to pass 'position' (the position of the collection in its new
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collection folder).
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see: addCollection, findCollections, getCollection, removeCollection, sortCollections
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'''
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collection = get_collection_or_404_json(data['id'])
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if collection.editable(request.user):
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response = json_response()
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collection.edit(data, request.user)
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response['data'] = collection.json(user=request.user)
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add_changelog(request, data)
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else:
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response = json_response(status=403, text='not allowed')
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return render_to_json_response(response)
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actions.register(editCollection, cache=False)
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@login_required_json
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def removeCollection(request, data):
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'''
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Removes a collection
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takes {
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id: string // collection id
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}
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returns {}
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see: addCollection, editCollection, findCollections, getCollection, sortCollections
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'''
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collection = get_collection_or_404_json(data['id'])
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response = json_response()
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if collection.editable(request.user):
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add_changelog(request, data)
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collection.delete()
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update_numberofcollections.delay(request.user.username)
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else:
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response = json_response(status=403, text='not allowed')
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return render_to_json_response(response)
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actions.register(removeCollection, cache=False)
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@login_required_json
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def subscribeToCollection(request, data):
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'''
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Adds a collection to favorites
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takes {
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id: string, // collection id
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user: string // username (admin-only)
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}
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returns {}
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see: unsubscribeFromCollection
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'''
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collection = get_collection_or_404_json(data['id'])
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user = request.user
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if collection.status == 'public' and \
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collection.subscribed_users.filter(username=user.username).count() == 0:
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collection.subscribed_users.add(user)
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pos, created = models.Position.objects.get_or_create(collection=collection, user=user, section='public')
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if created:
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qs = models.Position.objects.filter(user=user, section='public')
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pos.position = qs.aggregate(Max('position'))['position__max'] + 1
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pos.save()
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add_changelog(request, data)
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response = json_response()
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return render_to_json_response(response)
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actions.register(subscribeToCollection, cache=False)
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@login_required_json
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def unsubscribeFromCollection(request, data):
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'''
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Removes a collection from favorites
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takes {
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id: string, // collection id
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user: string // username (admin-only)
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}
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returns {}
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see: subscribeToCollection
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'''
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collection = get_collection_or_404_json(data['id'])
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user = request.user
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collection.subscribed_users.remove(user)
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models.Position.objects.filter(collection=collection, user=user, section='public').delete()
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response = json_response()
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add_changelog(request, data)
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return render_to_json_response(response)
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actions.register(unsubscribeFromCollection, cache=False)
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@login_required_json
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def sortCollections(request, data):
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'''
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Sets the order of collections in a given section
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takes {
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section: string, // collections section
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ids: [string] // ordered collection of collections
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}
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returns {}
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notes: Possible sections are 'personal', 'favorite' and 'featured'. Setting
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the order of featured collections requires the appropriate capability.
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see: addCollection, editCollection, findCollections, getCollection, removeCollection
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'''
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position = 0
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section = data['section']
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section = {
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'favorite': 'public'
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}.get(section, section)
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#ids = collection(set(data['ids']))
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ids = data['ids']
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if section == 'featured' and not request.user.profile.capability('canEditFeaturedCollections'):
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response = json_response(status=403, text='not allowed')
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else:
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user = request.user
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if section == 'featured':
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for i in ids:
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l = get_collection_or_404_json(i)
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qs = models.Position.objects.filter(section=section, collection=l)
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if qs.count() > 0:
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pos = qs[0]
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else:
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pos = models.Position(collection=l, user=user, section=section)
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if pos.position != position:
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pos.position = position
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pos.save()
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position += 1
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models.Position.objects.filter(section=section, collection=l).exclude(id=pos.id).delete()
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else:
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for i in ids:
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l = get_collection_or_404_json(i)
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pos, created = models.Position.objects.get_or_create(collection=l,
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user=request.user, section=section)
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if pos.position != position:
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pos.position = position
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pos.save()
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position += 1
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response = json_response()
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return render_to_json_response(response)
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actions.register(sortCollections, cache=False)
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def icon(request, id, size=16):
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if not size:
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size = 16
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id = id.split(':')
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username = id[0]
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collectionname = ":".join(id[1:])
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qs = models.Collection.objects.filter(user__username=username, name=collectionname)
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if qs.count() == 1 and qs[0].accessible(request.user):
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collection = qs[0]
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icon = collection.get_icon(int(size))
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else:
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icon = os.path.join(settings.STATIC_ROOT, 'jpg/list256.jpg')
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return HttpFileResponse(icon, content_type='image/jpeg')
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