add news backend
This commit is contained in:
j
parent
1640295b9a
commit
9b60e7f120
|
|
@ -0,0 +1,12 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
# vi:si:et:sw=4:sts=4:ts=4
|
||||
|
||||
from django.contrib import admin
|
||||
|
||||
import models
|
||||
|
||||
|
||||
class NewsAdmin(admin.ModelAdmin):
|
||||
search_fields = ['name', 'title']
|
||||
admin.site.register(models.News, NewsAdmin)
|
||||
|
||||
|
|
@ -0,0 +1,119 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
# vi:si:et:sw=4:sts=4:ts=4
|
||||
from django.db.models import Q, Manager
|
||||
from ox.django.query import QuerySet
|
||||
import ox
|
||||
|
||||
def parseCondition(condition, user):
|
||||
k = condition.get('key', 'name')
|
||||
k = {
|
||||
'user': 'user__username',
|
||||
}.get(k, k)
|
||||
if not k:
|
||||
k = 'name'
|
||||
v = condition['value']
|
||||
op = condition.get('operator')
|
||||
if not op:
|
||||
op = ''
|
||||
if op.startswith('!'):
|
||||
op = op[1:]
|
||||
exclude = True
|
||||
else:
|
||||
exclude = False
|
||||
if op == '-':
|
||||
q = parseCondition({'key': k, 'value': v[0], 'operator': '>='}, user) \
|
||||
& parseCondition({'key': k, 'value': v[1], 'operator': '<'}, user)
|
||||
if exclude:
|
||||
return ~q
|
||||
else:
|
||||
return q
|
||||
if k == 'id':
|
||||
v = ox.from26(v)
|
||||
if isinstance(v, bool): #featured and public flag
|
||||
key = k
|
||||
elif k in ('id',):
|
||||
key = "%s%s" % (k, {
|
||||
'>': '__gt',
|
||||
'>=': '__gte',
|
||||
'<': '__lt',
|
||||
'<=': '__lte',
|
||||
}.get(op, ''))
|
||||
else:
|
||||
key = "%s%s" % (k, {
|
||||
'>': '__gt',
|
||||
'>=': '__gte',
|
||||
'<': '__lt',
|
||||
'<=': '__lte',
|
||||
'==': '__iexact',
|
||||
'=': '__icontains',
|
||||
'^': '__istartswith',
|
||||
'$': '__iendswith',
|
||||
}.get(op, '__icontains'))
|
||||
|
||||
key = str(key)
|
||||
if exclude:
|
||||
q = ~Q(**{key: v})
|
||||
else:
|
||||
q = Q(**{key: v})
|
||||
return q
|
||||
|
||||
def parseConditions(conditions, operator, user):
|
||||
'''
|
||||
conditions: [
|
||||
{
|
||||
value: "war"
|
||||
}
|
||||
{
|
||||
key: "year",
|
||||
value: "1970-1980,
|
||||
operator: "!="
|
||||
},
|
||||
{
|
||||
key: "country",
|
||||
value: "f",
|
||||
operator: "^"
|
||||
}
|
||||
],
|
||||
operator: "&"
|
||||
'''
|
||||
conn = []
|
||||
for condition in conditions:
|
||||
if 'conditions' in condition:
|
||||
q = parseConditions(condition['conditions'],
|
||||
condition.get('operator', '&'), user)
|
||||
if q:
|
||||
conn.append(q)
|
||||
pass
|
||||
else:
|
||||
conn.append(parseCondition(condition, user))
|
||||
if conn:
|
||||
q = conn[0]
|
||||
for c in conn[1:]:
|
||||
if operator == '|':
|
||||
q = q | c
|
||||
else:
|
||||
q = q & c
|
||||
return q
|
||||
return None
|
||||
|
||||
|
||||
class NewsManager(Manager):
|
||||
|
||||
def get_query_set(self):
|
||||
return QuerySet(self.model)
|
||||
|
||||
def find(self, data, user):
|
||||
#join query with operator
|
||||
qs = self.get_query_set()
|
||||
|
||||
conditions = parseConditions(data.get('query', {}).get('conditions', []),
|
||||
data.get('query', {}).get('operator', '&'),
|
||||
user)
|
||||
if conditions:
|
||||
qs = qs.filter(conditions)
|
||||
if user:
|
||||
if not user.get_profile().get_level() in ('staff', 'admin'):
|
||||
qs = qs.filter(Q(public=True)|Q(user=user))
|
||||
else:
|
||||
qs = qs.filter(public=True)
|
||||
return qs
|
||||
|
|
@ -0,0 +1,50 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
# vi:si:et:sw=4:sts=4:ts=4
|
||||
from __future__ import division, with_statement
|
||||
|
||||
from django.db import models
|
||||
from django.contrib.auth.models import User
|
||||
import ox
|
||||
|
||||
import managers
|
||||
|
||||
|
||||
class News(models.Model):
|
||||
objects = managers.NewsManager()
|
||||
|
||||
created = models.DateTimeField(auto_now_add=True)
|
||||
modified = models.DateTimeField(auto_now=True)
|
||||
user = models.ForeignKey(User)
|
||||
|
||||
title = models.TextField()
|
||||
content = models.TextField()
|
||||
|
||||
def editable(self, user):
|
||||
if user.is_authenticated():
|
||||
if user.get_profile().get_level() in ('staff', 'admin') or \
|
||||
self.user == user or \
|
||||
user.groups.filter(id__in=self.groups.all()).count() > 0:
|
||||
return True
|
||||
return False
|
||||
|
||||
'''
|
||||
def save(self, *args, **kwargs):
|
||||
super(News, self).save(*args, **kwargs)
|
||||
'''
|
||||
|
||||
def json(self, keys=None):
|
||||
j = {
|
||||
'user': self.user.username,
|
||||
'id': ox.to26(self.id),
|
||||
'title': self.title,
|
||||
'content': self.content,
|
||||
}
|
||||
if keys:
|
||||
for key in j.keys():
|
||||
if key not in keys:
|
||||
del j[key]
|
||||
return j
|
||||
|
||||
def __unicode__(self):
|
||||
return u"%s/%s" %(self.created, self.title)
|
||||
|
||||
|
|
@ -0,0 +1,192 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
# vi:si:et:sw=4:sts=4:ts=4
|
||||
from __future__ import division
|
||||
|
||||
from django.conf import settings
|
||||
|
||||
import ox
|
||||
from ox.utils import json
|
||||
from ox.django.decorators import login_required_json
|
||||
from ox.django.shortcuts import render_to_json_response, get_object_or_404_json, json_response
|
||||
|
||||
|
||||
from item.models import Item
|
||||
from api.actions import actions
|
||||
|
||||
from item import utils
|
||||
from item.models import Item
|
||||
|
||||
import models
|
||||
|
||||
|
||||
def parse_query(data, user):
|
||||
query = {}
|
||||
query['range'] = [0, 100]
|
||||
query['sort'] = [{'key':'in', 'operator':'+'}]
|
||||
for key in ('keys', 'group', 'range', 'sort', 'query'):
|
||||
if key in data:
|
||||
query[key] = data[key]
|
||||
query['qs'] = models.News.objects.find(query, user)
|
||||
if 'itemQuery' in data:
|
||||
item_query = Item.objects.find({'query': data['itemQuery']}, user)
|
||||
query['qs'] = query['qs'].filter(item__in=item_query)
|
||||
return query
|
||||
|
||||
def news_sort_key(key):
|
||||
return {
|
||||
'text': 'value',
|
||||
'position': 'start',
|
||||
}.get(key, key)
|
||||
|
||||
def order_query(qs, sort):
|
||||
order_by = []
|
||||
print sort
|
||||
for e in sort:
|
||||
operator = e['operator']
|
||||
if operator != '-':
|
||||
operator = ''
|
||||
key = {
|
||||
'duration': 'clip__duration',
|
||||
'in': 'start',
|
||||
'lightness': 'clip__lightness',
|
||||
'out': 'end',
|
||||
'saturation': 'clip__saturation',
|
||||
'volume': 'clip__volume',
|
||||
}.get(e['key'], e['key'])
|
||||
if key.startswith('clip:'):
|
||||
key = news_sort_key(e['key'][len('clip:'):])
|
||||
elif key not in ('start', 'end', 'value') and not key.startswith('clip__'):
|
||||
#key mgith need to be changed, see order_sort in item/views.py
|
||||
key = "item__sort__%s" % key
|
||||
order = '%s%s' % (operator, key)
|
||||
order_by.append(order)
|
||||
if order_by:
|
||||
qs = qs.order_by(*order_by, nulls_last=True)
|
||||
return qs
|
||||
|
||||
def findNews(request):
|
||||
'''
|
||||
param data {
|
||||
query: ...
|
||||
itemQuery: ...
|
||||
}
|
||||
|
||||
return {
|
||||
'status': {'code': int, 'text': string}
|
||||
'data': {
|
||||
newss = [{..}, {...}, ...]
|
||||
}
|
||||
}
|
||||
'''
|
||||
data = json.loads(request.POST['data'])
|
||||
response = json_response()
|
||||
|
||||
query = parse_query(data, request.user)
|
||||
qs = order_query(query['qs'], query['sort'])
|
||||
if 'keys' in data:
|
||||
qs = qs[query['range'][0]:query['range'][1]]
|
||||
response['data']['items'] = [p.json(keys=data['keys']) for p in qs]
|
||||
elif 'position' in query:
|
||||
ids = [ox.to26(i.id) for i in qs]
|
||||
data['conditions'] = data['conditions'] + {
|
||||
'value': data['position'],
|
||||
'key': query['sort'][0]['key'],
|
||||
'operator': '^'
|
||||
}
|
||||
query = parse_query(data, request.user)
|
||||
qs = order_query(query['qs'], query['sort'])
|
||||
if qs.count() > 0:
|
||||
response['data']['position'] = utils.get_positions(ids, [qs[0].itemId])[0]
|
||||
elif 'positions' in data:
|
||||
ids = [ox.to26(i.id) for i in qs]
|
||||
response['data']['positions'] = utils.get_positions(ids, data['positions'])
|
||||
else:
|
||||
response['data']['items'] = qs.count()
|
||||
return render_to_json_response(response)
|
||||
actions.register(findNews)
|
||||
|
||||
|
||||
@login_required_json
|
||||
def addNews(request):
|
||||
'''
|
||||
param data {
|
||||
title: string,
|
||||
content: text,
|
||||
public: boolean
|
||||
}
|
||||
return {'status': {'code': int, 'text': string},
|
||||
'data': {
|
||||
id: 123,
|
||||
...
|
||||
}
|
||||
}
|
||||
'''
|
||||
data = json.loads(request.POST['data'])
|
||||
|
||||
news = models.News(
|
||||
user=request.user,
|
||||
title=data['title'],
|
||||
content=data['content'],
|
||||
public=data['content'])
|
||||
news.save()
|
||||
response = json_response(news.json())
|
||||
return render_to_json_response(response)
|
||||
actions.register(addNews, cache=False)
|
||||
|
||||
|
||||
@login_required_json
|
||||
def removeNews(request):
|
||||
'''
|
||||
param data {
|
||||
ids: []
|
||||
}
|
||||
return {'status': {'code': int, 'text': string},
|
||||
'data': {
|
||||
}
|
||||
}
|
||||
'''
|
||||
response = json_response({})
|
||||
data = json.loads(request.POST['data'])
|
||||
failed = []
|
||||
ids = [ox.from26(i) for i in data['ids']]
|
||||
for a in models.News.objects.filter(id__in=ids):
|
||||
if a.editable(request.user):
|
||||
a.delete()
|
||||
else:
|
||||
failed.append(a.id)
|
||||
if failed:
|
||||
response = json_response(status=403, text='permission denied')
|
||||
response['data']['ids'] = [ox.to26(i) for i in failed]
|
||||
return render_to_json_response(response)
|
||||
actions.register(removeNews, cache=False)
|
||||
|
||||
|
||||
@login_required_json
|
||||
def editNews(request):
|
||||
'''
|
||||
param data {
|
||||
id:,
|
||||
title:
|
||||
content:
|
||||
public:
|
||||
}
|
||||
return {'status': {'code': int, 'text': string},
|
||||
'data': {
|
||||
id:
|
||||
...
|
||||
}
|
||||
}
|
||||
'''
|
||||
response = json_response({})
|
||||
data = json.loads(request.POST['data'])
|
||||
n = get_object_or_404_json(models.News, id=ox.from26(data['id']))
|
||||
if n.editable(request.user):
|
||||
for key in ('title', 'content', 'public'):
|
||||
if key in data:
|
||||
setattr(n, key, data[key])
|
||||
n.save()
|
||||
response['data'] = n.json()
|
||||
else:
|
||||
response = json_response(status=403, text='permission denied')
|
||||
return render_to_json_response(response)
|
||||
actions.register(editNews, cache=False)
|
||||
Loading…
Reference in New Issue