pandora/pandora/document/views.py

281 lines
8.4 KiB
Python

# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division
from ox.utils import json
from ox.django.api import actions
from ox.django.decorators import login_required_json
from ox.django.http import HttpFileResponse
from ox.django.shortcuts import render_to_json_response, get_object_or_404_json, json_response
from django import forms
from item import utils
from item.models import Item
import models
def get_document_or_404_json(id):
username, name, extension = models.Document.parse_id(id)
return get_object_or_404_json(models.Document, user__username=username, name=name, extension=extension)
@login_required_json
def addDocument(request):
'''
add document(s) to item
takes {
item: string
id: string
or
ids: [string]
}
returns {
}
'''
response = json_response()
data = json.loads(request.POST['data'])
if 'ids' in data:
ids = data['ids']
else:
ids = [data['id']]
item = Item.objects.get(itemId=data['item'])
if item.editable(request.user):
for id in ids:
document = models.Document.get(id)
document.add(item)
else:
response = json_response(status=403, file='permission denied')
return render_to_json_response(response)
actions.register(addDocument, cache=False)
@login_required_json
def editDocument(request):
'''
takes {
id: string
name: string
description: string
item(optional): edit descriptoin per item
}
returns {
id:
...
}
'''
response = json_response()
data = json.loads(request.POST['data'])
item = 'item' in data and Item.objects.get(itemId=data['item']) or None
if data['id']:
document = models.Document.get(data['id'])
if document.editable(request.user):
document.edit(data, request.user, item=item)
document.save()
response['data'] = document.json(user=request.user, item=item)
else:
response = json_response(status=403, text='permission denied')
else:
response = json_response(status=500, text='invalid request')
return render_to_json_response(response)
actions.register(editDocument, cache=False)
def _order_query(qs, sort):
order_by = []
for e in sort:
operator = e['operator']
if operator != '-':
operator = ''
key = {
'name': 'name_sort',
'description': 'description_sort',
}.get(e['key'], e['key'])
order = '%s%s' % (operator, key)
order_by.append(order)
if order_by:
qs = qs.order_by(*order_by)
qs = qs.distinct()
return qs
def parse_query(data, user):
query = {}
query['range'] = [0, 100]
query['sort'] = [{'key':'user', 'operator':'+'}, {'key':'name', 'operator':'+'}]
for key in ('keys', 'group', 'file', 'range', 'position', 'positions', 'sort'):
if key in data:
query[key] = data[key]
query['qs'] = models.Document.objects.find(data, user).exclude(name='')
return query
def findDocuments(request):
'''
takes {
query: {
conditions: [
{
key: 'user',
value: 'something',
operator: '='
}
]
operator: ","
},
sort: [{key: 'name', operator: '+'}],
range: [0, 100]
keys: []
}
possible query keys:
name, user, extension, size
possible keys:
name, user, extension, size
}
returns {
items: [object]
}
'''
data = json.loads(request.POST['data'])
query = parse_query(data, request.user)
#order
qs = _order_query(query['qs'], query['sort'])
response = json_response()
if 'keys' in data:
qs = qs[query['range'][0]:query['range'][1]]
response['data']['items'] = [l.json(data['keys'], request.user) for l in qs]
elif 'position' in data:
#FIXME: actually implement position requests
response['data']['position'] = 0
elif 'positions' in data:
ids = [i.get_id() for i in qs]
response['data']['positions'] = utils.get_positions(ids, query['positions'])
else:
response['data']['items'] = qs.count()
return render_to_json_response(response)
actions.register(findDocuments)
@login_required_json
def removeDocument(request):
'''
takes {
id: string,
or
ids: [string]
item: string
}
if item is passed, remove relation to item
otherwise remove document
returns {
}
'''
data = json.loads(request.POST['data'])
response = json_response()
if 'ids' in data:
ids = data['ids']
else:
ids = [data['id']]
item = 'item' in data and Item.objects.get(itemId=data['item']) or None
if item:
if item.editable(request.user):
for id in ids:
document = models.Document.get(id)
document.remove(item)
else:
response = json_response(status=403, text='not allowed')
else:
for id in ids:
document = models.Document.get(id)
if document.editable(request.user):
document.delete()
else:
response = json_response(status=403, text='not allowed')
break
return render_to_json_response(response)
actions.register(removeDocument, cache=False)
@login_required_json
def sortDocuments(request):
'''
takes {
item: string
ids: [string]
}
returns {
}
'''
data = json.loads(request.POST['data'])
index = 0
item = Item.objects.get(itemId=data['item'])
ids = data['ids']
if item.editable(request.user):
for i in ids:
document = models.Document.get(i)
models.ItemProperties.objects.filter(item=item, document=document).update(index=index)
index += 1
response = json_response()
else:
response = json_response(status=403, text='permission denied')
return render_to_json_response(response)
actions.register(sortDocuments, cache=False)
def file(request, id):
document = models.Document.get(id)
return HttpFileResponse(document.file.path)
def thumbnail(request, id):
document = models.Document.get(id)
return HttpFileResponse(document.thumbnail())
class ChunkForm(forms.Form):
chunk = forms.FileField()
chunkId = forms.IntegerField(required=False)
done = forms.IntegerField(required=False)
@login_required_json
def upload(request):
if 'id' in request.GET:
file = models.Document.get(request.GET['id'])
else:
extension = request.POST['filename'].split('.')
name = '.'.join(extension[:-1])
extension = extension[-1].lower()
response = json_response(status=400, text='this request requires POST')
if 'chunk' in request.FILES:
form = ChunkForm(request.POST, request.FILES)
if form.is_valid() and file.editable(request.user):
c = form.cleaned_data['chunk']
chunk_id = form.cleaned_data['chunkId']
response = {
'result': 1,
'resultUrl': request.build_absolute_uri(file.get_absolute_url())
}
if not file.save_chunk(c, chunk_id, form.cleaned_data['done']):
response['result'] = -1
if form.cleaned_data['done']:
response['done'] = 1
return render_to_json_response(response)
#init upload
else:
created = False
num = 1
_name = name
while not created:
file, created = models.Document.objects.get_or_create(
user=request.user, name=name, extension=extension)
if not created:
num += 1
name = _name + ' [%d]' % num
file.name = name
file.extension = extension
file.uploading = True
file.save()
upload_url = request.build_absolute_uri('/api/upload/document?id=%s' % file.get_id())
return render_to_json_response({
'uploadUrl': upload_url,
'url': request.build_absolute_uri(file.get_absolute_url()),
'result': 1
})
return render_to_json_response(response)