295 lines
10 KiB
Python
295 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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from django.db.models import Max, Min, Count
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from django.conf import settings
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import ox
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from ox.utils import json
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from changelog.models import add_changelog
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from item import utils
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from oxdjango.api import actions
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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 user.decorators import capability_required_json
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from . import models
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@capability_required_json('canEditPlaces')
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def addPlace(request, data):
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'''
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Adds a new place to the map
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takes {
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name: string, // place name
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alternativeNames: [string], // list of alternative names
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geoname: string, // full geoname (like '23 Main St, Foo, Switzerland')
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countryCode: string, // two-letter country code (like 'ch')
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south: float, // southern edge of the bounding box in degrees
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west: float, // western edge of the bounding box in degrees
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north: float, // northern edge of the bounding box in degrees
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east: float, // eastern edge of the bounding box in degrees
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type: string // place type
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}
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returns {
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id: string
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}
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notes: Possible types are 'country', 'region', 'city', 'borough', 'street',
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'building' and 'feature'.
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see: editPlace, findPlaces, removePlace
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'''
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#FIXME: check permissions
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exists = False
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existing_names = []
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existing_geoname = ''
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name = data.pop('name')
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if name == '':
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_exists = True
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name = 'Untitled'
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n = 0
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while _exists:
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_exists = models.Place.objects.filter(defined=True,
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name_find__contains='|%s|' % name.lower()).count() > 0
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if _exists:
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name = 'Untitled [%s]' %n
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n += 1
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names = [name] + data.get('alternativeNames', [])
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data['alternativeNames'] = [ox.escape_html(n)
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for n in data.get('alternativeNames', [])]
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name = ox.escape_html(name)
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for n in names:
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n = ox.decode_html(name)
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if models.Place.objects.filter(defined=True,
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name_find__contains='|%s|' % n.lower()).count() != 0:
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exists = True
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existing_names.append(n)
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'''
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if 'geoname' in data:
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if models.Place.objects.filter(defined=True,
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geoname=data['geoname']).count() > 0:
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exists = True
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existing_geoname = data['geoname']
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'''
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if not exists:
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models.Place.objects.filter(defined=False, name__in=names).delete()
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place = models.Place()
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place.user = request.user
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place.name = name
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place.alternativeNames = tuple(data.pop('alternativeNames', []))
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for key in data:
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value = data[key]
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if isinstance(value, list):
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value = tuple(value)
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setattr(place, key, value)
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place.matches = 0
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place.save()
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place.update_matches()
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response = json_response(place.json())
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# add name/alternativeNames again for changelog
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data['name'] = place.name
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data['alternativeNames'] = place.alternativeNames
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add_changelog(request, data, place.get_id())
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else:
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response = json_response(status=409,
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text='%s exists'%(existing_names and 'Name' or 'Geoname'))
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response['data']['names'] = existing_names
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if existing_geoname:
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response['data']['geoname'] = existing_geoname
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return render_to_json_response(response)
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actions.register(addPlace, cache=False)
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@login_required_json
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def editPlace(request, data):
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'''
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Edits a place
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takes {
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id: string, // place id
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name: string, // place name
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... // more place properties
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}
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returns {
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names: [] // list of names, in case of collision with existing data
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}
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see: addPlace, findPlaces, removePlace
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'''
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place = get_object_or_404_json(models.Place, pk=ox.fromAZ(data['id']))
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names = data.get('name', [])
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if isinstance(names, str):
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names = [names]
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names = [ox.escape_html(n) for n in names]
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alternative_names = [ox.escape_html(n) for n in data.get('alternativeNames', [])]
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alternative_names = list(filter(lambda n: n.strip(), alternative_names))
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if place.editable(request.user):
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conflict = False
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conflict_names = []
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conflict_geoname = ''
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if alternative_names:
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data['alternativeNames'] = alternative_names
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for name in names + alternative_names:
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name = ox.decode_html(name)
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if models.Place.objects.filter(defined=True,
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name_find__contains='|%s|' % name.lower()).exclude(id=place.id).count() != 0:
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conflict = True
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conflict_names.append(name)
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'''
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if 'geoname' in data:
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if models.Place.objects.filter(defined=True,
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geoname=data['geoname']).exclude(id=place.id).count() != 0:
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conflict = True
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conflict_geoname = data['geoname']
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'''
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if not conflict:
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models.Place.objects.filter(defined=False, name__in=names+alternative_names).delete()
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for key in data:
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if key != 'id':
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value = data[key]
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if isinstance(value, str):
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value = ox.escape_html(value)
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if isinstance(value, list):
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value = tuple(value)
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setattr(place, key, value)
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place.save()
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if 'name' in data or 'alternativeNames' in data:
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place.update_matches()
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response = json_response(place.json())
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add_changelog(request, data)
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else:
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response = json_response(status=409,
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text='%s exists'%(conflict_names and 'Name' or 'Geoname'))
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response['data']['names'] = conflict_names
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if conflict_geoname:
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response['data']['geoname'] = conflict_geoname
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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(editPlace, cache=False)
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@login_required_json
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def removePlace(request, data):
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'''
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Removes a place from the map
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takes {
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id: string // place id
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}
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returns {}
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see: addPlace, editPlace, findPlaces
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'''
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place = get_object_or_404_json(models.Place, pk=ox.fromAZ(data['id']))
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if place.editable(request.user):
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add_changelog(request, data)
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place.delete()
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response = json_response(status=200, text='deleted')
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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(removePlace, cache=False)
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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':'name', 'operator':'+'}]
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for key in ('keys', 'group', 'list', 'range', 'sort', 'query'):
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if key in data:
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query[key] = data[key]
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query['qs'] = models.Place.objects.find(query, user)
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if 'itemsQuery' in data:
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item_query = models.Item.objects.find({'query': data['itemsQuery']}, user)
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query['qs'] = query['qs'].filter(items__in=item_query)
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return query
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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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'name': 'name_sort',
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'geoname': 'geoname_sort',
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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 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 findPlaces(request, data):
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'''
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Finds places for a given query
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takes {
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query: object, // query object to find places, see `find`
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itemsQuery: object // query object to limit results to items, see `find`
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sort: [object], // list of sort objects, see `find`
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range: [int, int], // range of results to return
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keys: [string] // list of properties to return
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}
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returns {
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items: [object] // list of place objects
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}
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notes: Possible query keys are 'geoname', 'name' and 'user'. Possible
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itemsQuery keys are all item keys, as defined in the config.
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see: addPlace, editPlace, find, removePlace
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'''
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response = json_response()
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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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qs = qs.distinct()
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if 'keys' in data:
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qs = qs[query['range'][0]:query['range'][1]]
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qs = qs.select_related()
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response['data']['items'] = [p.json(data['keys'], request.user) for p in qs]
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elif 'position' in query:
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ids = [i.get_id() for i in qs]
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data['conditions'] = data['conditions'] + {
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'value': data['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].public_id])[0]
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elif 'positions' in data:
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ids = list(qs.values_list('id', flat=True))
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response['data']['positions'] = utils.get_positions(ids, data['positions'], decode_id=True)
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else:
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response['data']['items'] = qs.count()
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response['data']['area'] = qs.aggregate(
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south=Min('south'),
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west=Min('west'),
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north=Max('north'),
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east=Max('east'),
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)
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return render_to_json_response(response)
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actions.register(findPlaces)
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def getPlaces(request, data):
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'''
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Gets place names and matches
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takes {}
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returns {
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items: [
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{
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name: string, // place name
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matches: int // number of matches in annotations
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},
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... // more places
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]
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}
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see: getEvents
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'''
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response = json_response({})
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layers = [l['id'] for l in list(filter(lambda l: l['type'] == 'place',
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settings.CONFIG['layers']))]
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items = models.Annotation.objects.filter(layer__in=layers,
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places__id=None).order_by('value')
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items = items.values('value').annotate(Count('value'))
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response['data']['items'] = [{
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'name': i['value'],
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'matches': i['value__count']
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} for i in items]
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return render_to_json_response(response)
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actions.register(getPlaces)
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