def submit(request):
"""Displays the UI for photo submissions as well as handling the
resulting HTTP POST request. Uses django.forms for validation."""
context = RequestContext(request)
if request.method == 'GET':
return render_to_response(
'submit.html', { 'form': SubmitForm() }, context)
form = SubmitForm(request.POST, request.FILES)
if not form.is_valid():
# Invalid form. Return to sender for fixing up.
return render_to_response(
'submit.html', { 'form': form }, context)
# Form validated! Time to put data into database.
photograph = form.cleaned_data['photo']
caption = form.cleaned_data['caption']
xpos, ypos = locate(photograph)
ip = request.META['REMOTE_ADDR']
photo = Photo(caption=caption,
location_x=xpos,
location_y=ypos,
approved=False,
dt_submitted=datetime.today(),
n_flagged=0,
n_flagged_offs=0,
n_flagged_cprv=0,
n_flagged_othr=0,
n_likes=0,
ip=ip)
photo.save_with(photograph)
return redirect('album.main.views.submit_update', id=photo.id)
def report_image(request):
if request.method != 'GET':
raise Http404
permalink = request.GET.get('id')
if not permalink:
raise Http404
reason = request.GET.get('reason')
if not reason:
raise Http404
photo = Photo.get_by_permalink(permalink)
if not photo:
raise Http404
photo.n_flagged += 1
if reason == 'offs':
photo.n_flagged_offs = photo.n_flagged_offs + 1
elif reason == 'cprv':
photo.n_flagged_cprv = photo.n_flagged_cprv + 1
elif reason == 'othr':
photo.n_flagged_othr = photo.n_flagged_othr + 1
photo.save()
return HttpResponse(photo.n_flagged)
def report_image(request):
if request.method != 'GET':
raise Http404
permalink = request.GET.get('id')
if not permalink:
raise Http404
reason = request.GET.get('reason')
if not reason:
raise Http404
photo = Photo.get_by_permalink(permalink)
if not photo:
raise Http404
photo.n_flagged += 1
if reason == 'offs':
photo.n_flagged_offs = photo.n_flagged_offs + 1
elif reason == 'cprv':
photo.n_flagged_cprv = photo.n_flagged_cprv + 1
elif reason == 'othr':
photo.n_flagged_othr = photo.n_flagged_othr + 1
photo.save()
return HttpResponse(photo.n_flagged)
def comments(request):
if request.method != 'GET':
raise Http404
permalink = request.GET.get('id')
if not permalink:
raise Http404
photo = Photo.get_by_permalink(permalink)
if not photo:
raise Http404
return render_to_response('api_comments.html',
{'comments': getcomments(photo) })
def comments(request):
if request.method != 'GET':
raise Http404
permalink = request.GET.get('id')
if not permalink:
raise Http404
photo = Photo.get_by_permalink(permalink)
if not photo:
raise Http404
return render_to_response('api_comments.html',
{'comments': getcomments(photo)})
def like(request):
if request.method != 'GET':
raise Http404
permalink = request.GET.get('id')
if not permalink:
raise Http404
photo = Photo.get_by_permalink(permalink)
if not photo:
raise Http404
photo.n_likes += 1
photo.save()
return HttpResponse(photo.n_likes)
def like(request):
if request.method != 'GET':
raise Http404
permalink = request.GET.get('id')
if not permalink:
raise Http404
photo = Photo.get_by_permalink(permalink)
if not photo:
raise Http404
photo.n_likes += 1
photo.save()
return HttpResponse(photo.n_likes)
def search(request):
"""Returns search results for the given query."""
if not 'q' in request.GET:
return render_to_response('errors.html',
{ 'errors': ["Invalid query"] })
query = request.GET['q']
if len(query) < 3:
return render_to_response('errors.html',
{ 'errors': ["Queries must be three characters or more"] })
photos = Photo.search(query)
photos = sorted(photos, reverse=True, key=lambda p: p.dt_submitted)
return render_to_response('search.html',
{ 'query': query, 'photos': photos })
def submit_comment(request):
if request.method != 'POST':
raise Http404
permalink = request.POST.get('id')
if not permalink:
raise Http404
author = request.POST.get('author')
if (not author) or (author.strip() == ""):
author = 'Anonymous'
if (author.strip().lower() == "moderator"):
author = "Imposter"
if (len(author) > 25):
author = author[0:25]
comment = request.POST.get('comment')
if (not comment) or (comment.strip() == ""):
return HttpResponse("")
parent = request.POST.get('parent')
if (not parent) or (parent.strip() == ""):
parentobj = None
else:
parentobj = get_object_or_404(Comment, id=parent)
if (len(comment) > 250):
comment = comment[0:250]
photo = Photo.get_by_permalink(permalink)
if not photo:
raise Http404
ip = request.META['REMOTE_ADDR']
#check if user is posting too many comments
timediff = 0.5 # can only post 1 comment in this many minutes
recent = Comment.objects.filter(
ip=ip, dt_posted__gte=(datetime.today() - timedelta(minutes=timediff)))
if (len(recent) > 0):
return HttpResponse(
"You are posting too frequently. Please wait a while before posting again"
)
#return
new_comment = Comment(photo=photo,
parent=parentobj,
comment=comment,
author=author,
dt_posted=datetime.today(),
n_flagged=0,
ip=ip)
new_comment.save()
return HttpResponse("")
def submit_comment(request):
if request.method != 'POST':
raise Http404
permalink = request.POST.get('id')
if not permalink:
raise Http404
author = request.POST.get('author')
if (not author) or (author.strip() == ""):
author = 'Anonymous'
if (author.strip().lower() == "moderator"):
author = "Imposter"
if (len(author) > 25):
author = author[0:25]
comment = request.POST.get('comment')
if (not comment) or (comment.strip() == ""):
return HttpResponse("")
parent = request.POST.get('parent')
if (not parent) or (parent.strip() == ""):
parentobj = None
else:
parentobj = get_object_or_404(Comment, id=parent)
if (len(comment) > 250):
comment = comment[0:250]
photo = Photo.get_by_permalink(permalink)
if not photo:
raise Http404
ip = request.META['REMOTE_ADDR']
#check if user is posting too many comments
timediff = 0.5 # can only post 1 comment in this many minutes
recent = Comment.objects.filter(ip=ip,
dt_posted__gte=(datetime.today()-timedelta(minutes=timediff)))
if (len(recent) > 0):
return HttpResponse("You are posting too frequently. Please wait a while before posting again")
#return
new_comment = Comment(photo=photo, parent=parentobj, comment=comment,
author=author, dt_posted=datetime.today(),
n_flagged=0, ip=ip)
new_comment.save()
return HttpResponse("")
def details(request):
"""Returns the details for a photo aka everything when a user
clicks on it"""
if request.method != 'GET':
raise Http404
request_get = request.GET
permalink = request_get.get('id')
if not permalink:
raise Http404
photo = Photo.get_by_permalink(permalink)
if not photo.approved:
raise Http404
# find size of the image to display (fit into a maxsize by maxsize box)
maxsize = 600
height = 0
width = 0
if (photo.width < photo.height):
height = maxsize
width = round(photo.width / (photo.height/maxsize))
else:
width = maxsize
height = round(photo.height / (photo.width/maxsize))
data = {
"photo": photo.photo,
"permalink": permalink,
"width": width ,
"height": height,
"caption": photo.caption,
"dt_submitted": photo.dt_submitted.date(),
"comments": getcomments(photo)
}
return render_to_response('details.html', data)
def details(request):
"""Returns the details for a photo aka everything when a user
clicks on it"""
if request.method != 'GET':
raise Http404
request_get = request.GET
permalink = request_get.get('id')
if not permalink:
raise Http404
photo = Photo.get_by_permalink(permalink)
if not photo.approved:
raise Http404
# find size of the image to display (fit into a maxsize by maxsize box)
maxsize = 600
height = 0
width = 0
if (photo.width < photo.height):
height = maxsize
width = round(photo.width / (photo.height / maxsize))
else:
width = maxsize
height = round(photo.height / (photo.width / maxsize))
data = {
"photo": photo.photo,
"permalink": permalink,
"width": width,
"height": height,
"caption": photo.caption,
"dt_submitted": photo.dt_submitted.date(),
"comments": getcomments(photo)
}
return render_to_response('details.html', data)
def photos(request):
"""Returns the most popular photos within a given geometrical
bounds as JSON. Returns an error as JSON if something goes
awry."""
GET = request.GET
def pleasegivemeafloat(key):
"""Returns the float value in the GET query dictionary that
corresponds to the key. Raises a JSONError if something goes
awry."""
value = GET.get(key)
if not value:
raise JSONError('Missing %s parameter' % key)
try:
return float(value)
except ValueError:
raise JSONError('Expected float for %s parameter' % key)
def pleasegivemeanint(key):
"""Returns the integer value in the GET query dictionary that
corresponds to the key. Raises a JSONError if something goes
awry."""
value = GET.get(key)
if not value:
raise JSONError('Missing %s parameter' % key)
try:
return int(value)
except ValueError:
raise JSONError('Expected integer for %s parameter' % key)
def pleasegivemeastring(key):
"""Returns the string value in the GET query dictionary that
corresponds to the key. Raises a JSONError if something goes
awry."""
value = GET.get(key)
if not value:
raise JSONError('Missing %s parameter' % key)
try:
return str(value)
except ValueError:
raise JSONError('Expected float for %s parameter' % key)
def to_dict(photo):
"""Returns a dictionary of keys and values representing a
Photo model. This dictionary is suitable to be serialized into
JSON."""
return dict(id=photo.permalink,
location_x=photo.location_x,
location_y=photo.location_y,
photo=dict(name=photo.photo.name, height=photo.height,
width=photo.width),
thumbnail=photo.thumbnail.name,
popularity=photo.popularity)
def filter_overlap(photo_list, zoom):
"""Removes photos from photo_list that overlap other photos preceding
them"""
new_list = []
for photo1 in photo_list:
overlaps = False
for photo2 in new_list:
if (photo1.overlaps(photo2, zoom)):
overlaps = True
if (overlaps == False):
new_list.append(photo1)
return new_list
def merge_lists(list1, list2, num):
"""Merges the 2 lists, and returns the num first elements."""
i1 = 0
i2 = 0
combined = []
while i1 < len(list1) and i2 < len(list2):
if i1 < len(list1):
for j in range(POPULAR_PRIORITY):
if (i1 >= len(list1)):
break
if ((list1[i1] in combined) == False):
combined.append(list1[i1])
i1 += 1
if i2 < len(list2):
if ((list2[i2] in combined) == False):
combined.append(list2[i2])
return combined[:num]
def stringtoage(time):
"""Converts the dropdown value from the age filter to a length of
time."""
if (time == 'week'):
return 7*24
elif (time == 'month'):
return 30*24
elif (time == 'year'):
return 365*24
else:
raise ValueError
try:
xmin = pleasegivemeafloat('xmin')
xmax = pleasegivemeafloat('xmax')
ymin = pleasegivemeafloat('ymin')
ymax = pleasegivemeafloat('ymax')
num = pleasegivemeanint('num')
zoom = pleasegivemeanint('zoom')
time = pleasegivemeastring('time')
if xmin >= xmax:
raise JSONError('xmin must be less than xmax')
if ymin >= ymax:
raise JSONError('ymin must be less than ymax')
if num > PHOTOS_LIMIT:
raise JSONError('Cannot request more than %d photos' % PHOTOS_LIMIT)
if (time == 'recent'):
popular = Photo.popular(xmin, xmax, ymin, ymax, num)
newest = Photo.newest(xmin, xmax, ymin, ymax, num)
pics = merge_lists(popular, newest, num)
elif (time == 'all'):
pics = Photo.popular(xmin, xmax, ymin, ymax, num)
else:
threshold = stringtoage(time)
pics = Photo.popular_by_age(xmin, xmax, ymin, ymax, num,
threshold)
pics = filter_overlap(pics, zoom)
pics = map(to_dict, pics)
return HttpResponse(json.dumps(dict(photos=pics), indent=2))
except JSONError, err:
return err.response()
def photos(request):
"""Returns the most popular photos within a given geometrical
bounds as JSON. Returns an error as JSON if something goes
awry."""
GET = request.GET
def pleasegivemeafloat(key):
"""Returns the float value in the GET query dictionary that
corresponds to the key. Raises a JSONError if something goes
awry."""
value = GET.get(key)
if not value:
raise JSONError('Missing %s parameter' % key)
try:
return float(value)
except ValueError:
raise JSONError('Expected float for %s parameter' % key)
def pleasegivemeanint(key):
"""Returns the integer value in the GET query dictionary that
corresponds to the key. Raises a JSONError if something goes
awry."""
value = GET.get(key)
if not value:
raise JSONError('Missing %s parameter' % key)
try:
return int(value)
except ValueError:
raise JSONError('Expected integer for %s parameter' % key)
def pleasegivemeastring(key):
"""Returns the string value in the GET query dictionary that
corresponds to the key. Raises a JSONError if something goes
awry."""
value = GET.get(key)
if not value:
raise JSONError('Missing %s parameter' % key)
try:
return str(value)
except ValueError:
raise JSONError('Expected float for %s parameter' % key)
def to_dict(photo):
"""Returns a dictionary of keys and values representing a
Photo model. This dictionary is suitable to be serialized into
JSON."""
return dict(id=photo.permalink,
location_x=photo.location_x,
location_y=photo.location_y,
photo=dict(name=photo.photo.name,
height=photo.height,
width=photo.width),
thumbnail=photo.thumbnail.name,
popularity=photo.popularity)
def filter_overlap(photo_list, zoom):
"""Removes photos from photo_list that overlap other photos preceding
them"""
new_list = []
for photo1 in photo_list:
overlaps = False
for photo2 in new_list:
if (photo1.overlaps(photo2, zoom)):
overlaps = True
if (overlaps == False):
new_list.append(photo1)
return new_list
def merge_lists(list1, list2, num):
"""Merges the 2 lists, and returns the num first elements."""
i1 = 0
i2 = 0
combined = []
while i1 < len(list1) and i2 < len(list2):
if i1 < len(list1):
for j in range(POPULAR_PRIORITY):
if (i1 >= len(list1)):
break
if ((list1[i1] in combined) == False):
combined.append(list1[i1])
i1 += 1
if i2 < len(list2):
if ((list2[i2] in combined) == False):
combined.append(list2[i2])
return combined[:num]
def stringtoage(time):
"""Converts the dropdown value from the age filter to a length of
time."""
if (time == 'week'):
return 7 * 24
elif (time == 'month'):
return 30 * 24
elif (time == 'year'):
return 365 * 24
else:
raise ValueError
try:
xmin = pleasegivemeafloat('xmin')
xmax = pleasegivemeafloat('xmax')
ymin = pleasegivemeafloat('ymin')
ymax = pleasegivemeafloat('ymax')
num = pleasegivemeanint('num')
zoom = pleasegivemeanint('zoom')
time = pleasegivemeastring('time')
if xmin >= xmax:
raise JSONError('xmin must be less than xmax')
if ymin >= ymax:
raise JSONError('ymin must be less than ymax')
if num > PHOTOS_LIMIT:
raise JSONError('Cannot request more than %d photos' %
PHOTOS_LIMIT)
if (time == 'recent'):
popular = Photo.popular(xmin, xmax, ymin, ymax, num)
newest = Photo.newest(xmin, xmax, ymin, ymax, num)
pics = merge_lists(popular, newest, num)
elif (time == 'all'):
pics = Photo.popular(xmin, xmax, ymin, ymax, num)
else:
threshold = stringtoage(time)
pics = Photo.popular_by_age(xmin, xmax, ymin, ymax, num, threshold)
pics = filter_overlap(pics, zoom)
pics = map(to_dict, pics)
return HttpResponse(json.dumps(dict(photos=pics), indent=2))
except JSONError, err:
return err.response()
