bin/djais/views.py

   1 # -*- coding: utf-8 -*-
   2
   3 from __future__ import division
   4
   5 #TODO
   6 #Normalize 403 errors
   7
   8 import os
   9 import os.path
  10 from datetime import *
  11 import re
  12 from time import time as get_timestamp, sleep
  13 import logging
  14 import crack
  15 import struct
  16 import operator
  17 import rrdtool
  18 import csv
  19 from StringIO import StringIO
  20 from django.http import *
  21 from django.template import loader, RequestContext
  22 from django import forms
  23 from django.shortcuts import render_to_response, get_object_or_404
  24 from django.utils.safestring import mark_safe
  25
  26 from decoratedstr import remove_decoration
  27
  28 from ais.area import list_areas
  29 from ais.djais.basicauth import http_authenticate
  30 from ais.djais.models import *
  31 from ais.show_targets_ships import format_fleet, kml_to_kmz
  32 from ais.common import COUNTRIES_MID, Nmea, NmeaFeeder, strmmsi_to_mmsi, SHIP_TYPES, STATUS_CODES, AIS_STATUS_NOT_AVAILABLE, AIS_ROT_NOT_AVAILABLE, AIS_LATLON_SCALE, AIS_LON_NOT_AVAILABLE, AIS_LAT_NOT_AVAILABLE, AIS_COG_SCALE, AIS_COG_NOT_AVAILABLE, AIS_NO_HEADING, AIS_SOG_SCALE, AIS_SOG_NOT_AVAILABLE, AIS_SOG_MAX_SPEED, add_nmea1, add_nmea5_partial, load_fleet_to_uset
  33 from ais.ntools import datetime_to_timestamp, clean_ais_charset, clean_latitude, clean_longitude, LatLonFormatError
  34 from ais.inputs.common import is_id4_active
  35 from ais.inputs.stats import STATS_DIR
  36 from ais.inputs.config import peers_get_config
  37 from ais import jobrunner
  38 from ais.djais.widgets import *
  39
  40 def auth(username, raw_password):
  41     try:
  42         user = User.objects.get(login=username)
  43     except User.DoesNotExist:
  44         return None
  45     if not user.check_password(raw_password):
  46         return None
  47     user.update_access_datetime()
  48     return user
  49
  50
  51 @http_authenticate(auth, 'ais')
  52 def index(request):
  53     news = News.objects.order_by('-created')[:5]
  54     return render_to_response('index.html', {'news':news}, RequestContext(request))
  55
  56
  57 class VesselSearchForm(forms.Form):
  58     def country_choices():
  59         choices = {}
  60         for mid, countryname in COUNTRIES_MID.iteritems():
  61             if choices.has_key(countryname):
  62                 choices[countryname] += u','+unicode(mid)
  63             else:
  64                 choices[countryname] = unicode(mid)
  65         choices = [ (countryname, mids) for mids, countryname in choices.iteritems() ]
  66         choices = sorted(choices, key=operator.itemgetter(1))
  67         return [(u'', u'Any')] + choices
  68
  69     name = forms.CharField(max_length=20, required=False)
  70     mmsi = forms.CharField(help_text=u'Maritime Mobile Service Identity', min_length=9, max_length=9, required=False)
  71     imo = forms.IntegerField(help_text=u'International Maritime Organization identifier assigned by Llyod', required=False)
  72     callsign = forms.CharField(max_length=7, required=False)
  73     flag = forms.ChoiceField(choices=country_choices(), required=False)
  74     destination = forms.CharField(max_length=20, required=False)
  75
  76     def clean(self):
  77         cleaned_data = self.cleaned_data
  78         for value in cleaned_data.values():
  79             if value:
  80                 return cleaned_data
  81         raise forms.ValidationError("You must enter at least one criteria")
  82
  83     def clean_mmsi(self):
  84         mmsi = self.cleaned_data['mmsi']
  85         if mmsi:
  86             try:
  87                 mmsi = strmmsi_to_mmsi(mmsi)
  88             except AssertionError:
  89                 raise forms.ValidationError("Invalid MMSI")
  90         return mmsi
  91
  92
  93 @http_authenticate(auth, 'ais')
  94 def vessel_search(request):
  95     if request.method == 'POST' or request.META['QUERY_STRING']:
  96         form = VesselSearchForm(request.REQUEST)
  97         if form.is_valid():
  98             data = form.cleaned_data
  99             vessels = Vessel.objects
 100             if data['mmsi']:
 101                 vessels = vessels.filter(mmsi=data['mmsi'])
 102             if data['name']:
 103                 vessels = vessels.filter(name__contains=data['name'].upper())
 104             if data['imo']:
 105                 vessels = vessels.filter(imo=data['imo'])
 106             if data['callsign']:
 107                 vessels = vessels.filter(callsign__contains=data['callsign'].upper())
 108             if data['destination']:
 109                 vessels = vessels.filter(destination__contains=data['destination'].upper())
 110             if data['flag']:
 111                 vessels = vessels.extra(where=['mmsi/1000000 IN (%s) ' % data['flag']])
 112             return render_to_response('vessels.html', {'vessels': vessels}, RequestContext(request))
 113     else: # GET
 114         form = VesselSearchForm()
 115
 116     return render_to_response('vessel_index.html', {'form': form}, RequestContext(request))
 117
 118 class SecondsWidget(forms.MultiWidget):
 119     '''
 120     A widget that splits period number and period type in a integer and a choice widgets
 121     Does not work well for more than a week, as month lengthes do vary.
 122     '''
 123     __periods = (
 124         (u'1', u'second(s)'),
 125         (u'60', u'minute(s)'),
 126         (u'3600', u'hour(s)'),
 127         (u'86400', u'day(s)'),
 128         (u'604800', u'week(s)'),
 129         (u'2592000', u'month(es)'))
 130
 131     def __init__(self, attrs=None):
 132         textattrs = { 'size': 3 }
 133         if attrs:
 134             textattrs.update(attrs)
 135         widgets = (
 136             forms.TextInput(attrs=textattrs),
 137             forms.Select(choices=self.__periods, attrs=attrs))
 138         super(SecondsWidget, self).__init__(widgets, attrs)
 139
 140     def decompress(self, value):
 141         if value:
 142             for period_second in reversed([int(sec_txt[0]) for sec_txt in self.__periods]):
 143                 if value >= period_second and not value % period_second:
 144                     return [ unicode(value // period_second), unicode(period_second) ]
 145         return [None, None]
 146
 147 class SecondsField(forms.MultiValueField):
 148     widget = SecondsWidget
 149
 150     def __init__(self, *args, **kargs):
 151         fields = (
 152             forms.IntegerField(),
 153             forms.CharField(),
 154         )
 155         forms.MultiValueField.__init__(self, fields=fields, *args, **kargs)
 156
 157     def compress(self, data_list):
 158         #print 'data_list=', data_list
 159         if data_list and data_list[0] is not None and data_list[1] is not None:
 160             try:
 161                 return data_list[0] * int(data_list[1])
 162             except ValueError:
 163                 pass
 164         return None
 165
 166 class HistoryForm(forms.Form):
 167     format = forms.ChoiceField(choices=(('animation', 'Animation (Google Earth v5)'), ('track', 'Track line (Google Earth)'), ('csv', 'Coma separated values (SpreadSheet)')), widget=forms.Select(attrs={'onchange': mark_safe("if (this.value=='csv') $('#csvhint').show(); else $('#csvhint').hide();")}))
 168     period_type = forms.ChoiceField(choices=(('duration', 'Duration until now'), ('date_date','Between two dates'), ('start_duration', 'Start date and duration')), widget=forms.RadioSelect(attrs={'onchange': mark_safe("show_hide_start_end_time(this.value);")}))
 169     start_date = forms.DateTimeField(required=False, widget=AisCalendarWidget(attrs={'class':'vDateField'}))
 170     duration = SecondsField(required=False, label='Period length', initial=7*86400)
 171     end_date = forms.DateTimeField(required=False, widget=AisCalendarWidget(attrs={'class':'vDateField'}))
 172     grain = SecondsField(label='One position every', initial=3600)
 173     filter_area = forms.ChoiceField(required=False, label='Only in area',
 174         choices=[ (u'', u'(Not filtered)') ] + [ (fn[1], fn[0]) for fn in list_areas() ] )
 175     reference_latitude = forms.CharField(required=False)
 176     reference_longitude = forms.CharField(required=False)
 177     filter_close_to = forms.FloatField(required=False, label=u'Only if closer than n miles from reference point')
 178     filter_far_from = forms.FloatField(required=False, label=u'Only if farther than n miles from reference point')
 179     filter_sog_le = forms.FloatField(required=False, label=u'Only if speed ≤ (knots)')
 180     filter_sog_ge = forms.FloatField(required=False, label=u'Only if speed ≥ (knots)')
 181     filter_destination = forms.CharField(required=False, label=u'Only if destination starts with', max_length=20, help_text=u'Use AIS upper case letters')
 182
 183     def clean_start_date(self):
 184         period_type = self.cleaned_data.get('period_type', None)
 185         start_date = self.cleaned_data.get('start_date', None)
 186         if period_type in (u'date_date', u'start_duration') and start_date is None:
 187             raise forms.ValidationError('That is field is required.')
 188         return start_date
 189
 190     def clean_duration(self):
 191         period_type = self.cleaned_data.get('period_type', None)
 192         duration = self.cleaned_data.get('duration', None)
 193         print 'duration=', duration
 194         if period_type in (u'duration', u'start_duration') and duration is None:
 195             raise forms.ValidationError('That is field is required.')
 196         return duration
 197
 198     def clean_end_date(self):
 199         period_type = self.cleaned_data.get('period_type', None)
 200         end_date = self.cleaned_data.get('end_date', None)
 201         if period_type in (u'date_date',) and end_date is None:
 202             raise forms.ValidationError('That is field is required.')
 203         return end_date
 204
 205     def clean_reference_latitude(self):
 206         lat = self.cleaned_data.get('reference_latitude', None)
 207         if lat is None:
 208             return None
 209         try:
 210             clean_lat = clean_latitude(lat)
 211         except LatLonFormatError, err:
 212             if len(err.args) > 1:
 213                 raise forms.ValidationError(err.args[0] % err.args[1:])
 214             else:
 215                 raise forms.ValidationError(*err.args)
 216         return lat # return the text
 217
 218     def clean_reference_longitude(self):
 219         lon = self.cleaned_data.get('reference_longitude', None)
 220         if lon is None:
 221             return None
 222         try:
 223             clean_lon = clean_longitude(lon)
 224         except LatLonFormatError, err:
 225             if len(err.args) > 1:
 226                 raise forms.ValidationError(err.args[0] % err.args[1:])
 227             else:
 228                 raise forms.ValidationError(*err.args)
 229         return lon # return the text
 230
 231     def clean(self):
 232         cleaned_data = self.cleaned_data
 233         period_type = self.cleaned_data.get('period_type', None)
 234         start_date = self.cleaned_data.get('start_date', None)
 235         end_date = self.cleaned_data.get('end_date', None)
 236         if period_type == u'date_date' and start_date is not None and end_date is not None:
 237             if start_date >= end_date:
 238                 self._errors["start_date"] = self.error_class(['Start date must be before end date.'])
 239         reference_latitude = self.cleaned_data.get('reference_latitude', None)
 240         reference_longitude = self.cleaned_data.get('reference_longitude', None)
 241         filter_close_to = self.cleaned_data.get('filter_close_to', None)
 242         filter_far_from = self.cleaned_data.get('filter_far_from', None)
 243         if filter_close_to is not None:
 244             if reference_latitude is None:
 245                 self._errors['reference_latitude'] = self.error_class([u'Field required when using close_to filter'])
 246             if reference_longitude is None:
 247                 self._errors['reference_longitude'] = self.error_class([u'Field required when using close_to filter'])
 248         if filter_far_from is not None:
 249             if reference_latitude is None:
 250                 self._errors['reference_latitude'] = self.error_class([u'Field required when using far_from filter'])
 251             if reference_longitude is None:
 252                 self._errors['reference_longitude'] = self.error_class([u'Field required when using far_from filter'])
 253         return cleaned_data
 254
 255     def get_cmdext(self):
 256         '''
 257         Must not be called unless is_valid
 258         Returns (command, extension)
 259         '''
 260         def escape_cmd_arg(txt):
 261             txt = unicode(txt)
 262             isclean = True
 263             for c in txt:
 264                 if c.upper() not in '+-./0123456789=@^_ABCDEFGHIJKLMNOPQRSTUVWXYZ':
 265                     isclean = False
 266                     break
 267             if isclean:
 268                 return txt
 269             result = u'"'
 270             for c in txt:
 271                 if c in u'"\\':
 272                     result += u'\\'
 273                 result += c
 274             return result + u'"'
 275
 276         def addparam(txt):
 277             command.append(escape_cmd_arg(txt))
 278
 279         data = self.cleaned_data
 280         format = data['format']
 281
 282         if format == u'track':
 283             command = [ u'show_targets_ships' ]
 284             addparam(u'--format=track')
 285             extension = u'kmz'
 286
 287         elif format == u'animation':
 288             command = [ u'show_targets_ships' ]
 289             addparam(u'--format=animation')
 290             extension = u'kmz'
 291
 292         elif format == u'csv':
 293             command = [ u'common' ]
 294             extension = u'csv'
 295         else:
 296             raise Http404(u'Invalid archive format')
 297
 298         date_start = data.get('start_date', None)
 299         if date_start:
 300             addparam(u'--start')
 301             addparam(date_start.strftime('%Y%m%d'))
 302
 303         date_end = data.get('end_date', None)
 304         if date_end:
 305             addparam(u'--end')
 306             addparam(date_end.strftime('%Y%m%d'))
 307
 308         duration = data.get('duration', None)
 309         if duration:
 310             addparam(u'--duration')
 311             addparam(duration)
 312
 313         grain = data['grain']
 314         addparam(u'--granularity')
 315         addparam(grain)
 316
 317         filter_area = data.get('filter_area', None)
 318         if filter_area:
 319             addparam(u'--filter-area')
 320             addparam(filter_area)
 321
 322         filter_sog_le = data.get('filter_sog_le', None)
 323         if filter_sog_le:
 324             addparam(u'--filter-sog-le')
 325             addparam(filter_sog_le)
 326
 327         filter_sog_ge = data.get('filter_sog_ge', None)
 328         if filter_sog_ge:
 329             addparam(u'--filter-sog-ge')
 330             addparam(filter_sog_ge)
 331
 332         filter_destination = data.get('filter_destination', None)
 333         if filter_destination:
 334             addparam(u'--filter-destination')
 335             addparam(filter_destination)
 336
 337         reference_latitude = self.cleaned_data.get('reference_latitude', None)
 338         reference_longitude = self.cleaned_data.get('reference_longitude', None)
 339         filter_close_to = self.cleaned_data.get('filter_close_to', None)
 340         filter_far_from = self.cleaned_data.get('filter_far_from', None)
 341         if filter_close_to and reference_latitude and reference_longitude:
 342             addparam(u'--filter-closeto')
 343             addparam(reference_latitude)
 344             addparam(reference_longitude)
 345             addparam(filter_close_to)
 346         if filter_far_from and reference_latitude and reference_longitude:
 347             addparam(u'--filter-farfrom')
 348             addparam(reference_latitude)
 349             addparam(reference_longitude)
 350             addparam(filter_far_from)
 351         return u' '.join(command), extension
 352
 353
 354 @http_authenticate(auth, 'ais')
 355 def vessel(request, strmmsi):
 356     mmsi = strmmsi_to_mmsi(strmmsi)
 357     vessel = get_object_or_404(Vessel, pk=mmsi)
 358     nmea = Nmea.new_from_lastinfo(strmmsi)
 359     #if not nmea.timestamp_1 and not nmea.timestamp_5:
 360     #    raise Http404
 361     return render_to_response('vessel.html', {'nmea': nmea, 'form': HistoryForm()}, RequestContext(request))
 362
 363
 364 class VesselManualInputForm(forms.Form):
 365     timestamp = forms.DateTimeField(label=u'When', help_text=u'When was the observation made in GMT. Use YYYY-MM-DD HH:MM:SS format')
 366     imo = forms.IntegerField(required=False, min_value=1000000, max_value=9999999)
 367     name = forms.CharField(max_length=20, required=False)
 368     callsign = forms.CharField(max_length=7, required=False)
 369     type = forms.TypedChoiceField(required=False, choices = [ kv for kv in SHIP_TYPES.iteritems() if 'reserved' not in kv[1].lower()], coerce=int, empty_value=0, initial=0)
 370     status = forms.TypedChoiceField(required=False, choices = [ kv for kv in STATUS_CODES.iteritems() if 'reserved' not in kv[1].lower()], coerce=int, empty_value=AIS_STATUS_NOT_AVAILABLE, initial=AIS_STATUS_NOT_AVAILABLE)
 371     sog = forms.FloatField(label='Speed', help_text='Over ground, in knots', required=False, min_value=0, max_value=AIS_SOG_MAX_SPEED/AIS_SOG_SCALE)
 372     latitude = forms.CharField(required=False)
 373     longitude = forms.CharField(required=False)
 374     cog = forms.FloatField(label='Course', help_text='Over ground', required=False, min_value=0.0, max_value=359.9)
 375     heading = forms.IntegerField(required=False, min_value=0, max_value=359)
 376
 377     @staticmethod
 378     def _clean_ais_charset(ustr):
 379         ustr = remove_decoration(ustr) # benign cleaning, but can increase size (œ->oe)
 380         ustr = ustr.upper() # benign cleaning
 381         str = clean_ais_charset(ustr.encode('ascii', 'replace'))
 382         if unicode(str) != ustr:
 383             raise forms.ValidationError('Invalid character: AIS alphabet is @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^- !"#$%&\'()*+,-./0123456789:;<=>?')
 384         return str
 385
 386     def clean_timestamp(self):
 387         data = self.cleaned_data['timestamp']
 388         if data is None:
 389             return None
 390         if data < datetime.utcnow() - timedelta(365):
 391             raise forms.ValidationError('Date is too much is the past.')
 392         if data > datetime.utcnow():
 393             raise forms.ValidationError('Date is be in the future. This form is only for observed results.')
 394         return datetime_to_timestamp(data)
 395
 396     def clean_imo(self):
 397         data = self.cleaned_data['imo']
 398         if data is None:
 399             return 0
 400         return data
 401
 402     def clean_name(self):
 403         name = self.cleaned_data['name']
 404         if name is None:
 405             return ''
 406         name = VesselManualInputForm._clean_ais_charset(name)
 407         if len(name)>20:
 408             raise forms.ValidationError('Ensure this value has at most 20 characters (it has %s).' % len(name))
 409         return name
 410
 411     def clean_callsign(self):
 412         callsign = self.cleaned_data['callsign']
 413         if callsign is None:
 414             return ''
 415         callsign = VesselManualInputForm._clean_ais_charset(callsign)
 416         if len(callsign)>7:
 417             raise forms.ValidationError('Ensure this value has at most 7 characters (it has %s).' % len(callsign))
 418         return callsign
 419
 420     def clean_sog(self):
 421         sog = self.cleaned_data['sog']
 422         if sog is None:
 423             return AIS_SOG_NOT_AVAILABLE
 424         return int(sog*AIS_SOG_SCALE)
 425
 426     def clean_latitude(self):
 427         #TODO: use ntools.clean_latitude
 428         data = self.cleaned_data['latitude']
 429         data = data.replace(u"''", u'"') # common mistake
 430         data = data.replace(u' ', u'') # remove spaces
 431         sides = u'SN'
 432         if not data:
 433             return AIS_LAT_NOT_AVAILABLE
 434         tmp, side = data[:-1], data[-1]
 435         if side == sides[0]:
 436             side = -1
 437         elif side == sides[1]:
 438             side = 1
 439         else:
 440             raise forms.ValidationError(u'Last character must be either %s or %s.' % (sides[0], sides[1]))
 441         spl = tmp.split(u'°')
 442         if len(spl) == 1:
 443             raise forms.ValidationError(u'You need to use the ° character.')
 444         d, tmp = spl
 445         try:
 446             d = float(d)
 447         except ValueError:
 448             raise forms.ValidationError(u'Degrees must be an number. It\'s %s.' % d)
 449         spl = tmp.split(u"'", 1)
 450         if len(spl) == 1:
 451             # no ' sign: ok only if there is nothing but the side after °
 452             # we don't accept seconds if there is no minutes:
 453             # It might be an entry mistake
 454             tmp = spl[0]
 455             if len(tmp) == 0:
 456                 m = s = 0
 457             else:
 458                 raise forms.ValidationError(u'You must use the \' character between ° and %s.' % data[-1])
 459         else:
 460             m, tmp = spl
 461             try:
 462                 m = float(m)
 463             except ValueError:
 464                 raise forms.ValidationError(u'Minutes must be an number. It\'s %s.' % m)
 465             if len(tmp) == 0:
 466                 s = 0
 467             else:
 468                 if tmp[-1] != '"':
 469                     raise forms.ValidationError(u'You must use the " character between seconds and %s.' % data[-1])
 470                 s = tmp[:-1]
 471                 try:
 472                     s = float(s)
 473                 except ValueError:
 474                     raise forms.ValidationError(u'Seconds must be an number. It\'s %s.' % s)
 475         data = side * ( d + m / 60 + s / 3600)
 476
 477         if data < -90 or data > 90:
 478             raise forms.ValidationError(u'%s in not in -90..90 range' % data)
 479         return int(data * AIS_LATLON_SCALE)
 480
 481     def clean_longitude(self):
 482         #TODO: use ntools.clean_latitude
 483         data = self.cleaned_data['longitude']
 484         data = data.replace(u"''", u'"') # common mistake
 485         data = data.replace(u' ', u'') # remove spaces
 486         sides = u'WE'
 487         if not data:
 488             return AIS_LON_NOT_AVAILABLE
 489         tmp, side = data[:-1], data[-1]
 490         if side == sides[0]:
 491             side = -1
 492         elif side == sides[1]:
 493             side = 1
 494         else:
 495             raise forms.ValidationError(u'Last character must be either %s or %s.' % (sides[0], sides[1]))
 496         spl = tmp.split(u'°')
 497         if len(spl) == 1:
 498             raise forms.ValidationError(u'You need to use the ° character.')
 499         d, tmp = spl
 500         try:
 501             d = float(d)
 502         except ValueError:
 503             raise forms.ValidationError(u'Degrees must be an number. It\'s %s.' % d)
 504         spl = tmp.split(u"'", 1)
 505         if len(spl) == 1:
 506             # no ' sign: ok only if there is nothing but the side after °
 507             # we don't accept seconds if there is no minutes:
 508             # It might be an entry mistake
 509             tmp = spl[0]
 510             if len(tmp) == 0:
 511                 m = s = 0
 512             else:
 513                 raise forms.ValidationError(u'You must use the \' character between ° and %s.' % data[-1])
 514         else:
 515             m, tmp = spl
 516             try:
 517                 m = float(m)
 518             except ValueError:
 519                 raise forms.ValidationError(u'Minutes must be an number. It\'s %s.' % m)
 520             if len(tmp) == 0:
 521                 s = 0
 522             else:
 523                 if tmp[-1] != '"':
 524                     raise forms.ValidationError(u'You must use the " character between seconds and %s.' % data[-1])
 525                 s = tmp[:-1]
 526                 try:
 527                     s = float(s)
 528                 except ValueError:
 529                     raise forms.ValidationError(u'Seconds must be an number. It\'s %s.' % s)
 530         data = side * ( d + m / 60 + s / 3600)
 531
 532         if data < -180 or data > 180:
 533             raise forms.ValidationError(u'%s in not in -180..180 range' % data)
 534         return int(data * AIS_LATLON_SCALE)
 535
 536     def clean_cog(self):
 537         data = self.cleaned_data['cog']
 538         if data is None:
 539             return AIS_COG_NOT_AVAILABLE
 540         return int(data * AIS_COG_SCALE)
 541
 542     def clean_heading(self):
 543         #raise forms.ValidationError(u'clean_heading called')
 544         data = self.cleaned_data['heading']
 545         if data is None:
 546             return AIS_NO_HEADING
 547         return data
 548
 549     def clean(self):
 550         cleaned_data = self.cleaned_data
 551         if (cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE ) ^ ( cleaned_data.get('longitude', AIS_LON_NOT_AVAILABLE) == AIS_LON_NOT_AVAILABLE):
 552             raise forms.ValidationError('It makes no sense to enter just a latitude or a longitude. Enter both or none.')
 553         if cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE:
 554             if cleaned_data.get('status', AIS_STATUS_NOT_AVAILABLE) != AIS_STATUS_NOT_AVAILABLE:
 555                 raise forms.ValidationError('It makes no sense to enter a status without coordinates. Please enter latitute and longitude too.')
 556             if cleaned_data.get('sog', AIS_SOG_NOT_AVAILABLE) != AIS_SOG_NOT_AVAILABLE:
 557                 raise forms.ValidationError('It makes no sense to enter a speed without coordinates. Please enter latitute and longitude too.')
 558             if cleaned_data.get('cog', AIS_COG_NOT_AVAILABLE) != AIS_COG_NOT_AVAILABLE:
 559                 raise forms.ValidationError('It makes no sense to enter a course without coordinates. Please enter latitute and longitude too.')
 560             if cleaned_data.get('heading', AIS_NO_HEADING) != AIS_NO_HEADING:
 561                 raise forms.ValidationError('It makes no sense to enter a heading without coordinates. Please enter latitute and longitude too.')
 562
 563         if cleaned_data.get('timestamp', None) \
 564         and cleaned_data.get('imo', 0) == 0 \
 565         and cleaned_data.get('name', '') == '' \
 566         and cleaned_data.get('callsign', '') == '' \
 567         and cleaned_data.get('type', 0) == 0 \
 568         and cleaned_data.get('status', AIS_STATUS_NOT_AVAILABLE) == AIS_STATUS_NOT_AVAILABLE \
 569         and cleaned_data.get('sog', AIS_SOG_NOT_AVAILABLE) == AIS_SOG_NOT_AVAILABLE \
 570         and cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE \
 571         and cleaned_data.get('longitude', AIS_LON_NOT_AVAILABLE) == AIS_LON_NOT_AVAILABLE \
 572         and cleaned_data.get('cog', AIS_COG_NOT_AVAILABLE) == AIS_COG_NOT_AVAILABLE \
 573         and cleaned_data.get('heading', AIS_NO_HEADING) == AIS_NO_HEADING:
 574             raise forms.ValidationError("You must enter some data, beside when.")
 575         return cleaned_data
 576
 577 @http_authenticate(auth, 'ais')
 578 def vessel_manual_input(request, strmmsi):
 579     strmmsi = strmmsi.encode('utf-8')
 580     nmea = Nmea.new_from_lastinfo(strmmsi)
 581     if request.method == 'POST' or request.META['QUERY_STRING']:
 582         form = VesselManualInputForm(request.REQUEST)
 583         if form.is_valid():
 584             data = form.cleaned_data
 585             source = 'U' +  struct.pack('<I', request.user.id)[0:3]
 586             result = u''
 587             if data['imo'] != 0 \
 588             or data['name'] != '' \
 589             or data['callsign'] != '' \
 590             or data['type'] != 0:
 591                 toto = (strmmsi, data['timestamp'], data['imo'], data['name'], data['callsign'], data['type'], 0,0,0,0, 0,0,24,60, 0, '', source)
 592                 result += 'UPDATING NMEA 5: '+repr(toto)+'<br>'
 593                 add_nmea5_partial(*toto)
 594             if data['status'] != AIS_STATUS_NOT_AVAILABLE \
 595             or data['sog'] != AIS_SOG_NOT_AVAILABLE \
 596             or data['latitude'] != AIS_LAT_NOT_AVAILABLE \
 597             or data['longitude'] != AIS_LON_NOT_AVAILABLE \
 598             or data['cog'] != AIS_COG_NOT_AVAILABLE \
 599             or data['heading'] != AIS_NO_HEADING:
 600                 toto = (strmmsi, data['timestamp'], data['status'], AIS_ROT_NOT_AVAILABLE, data['sog'], data['latitude'], data['longitude'], data['cog'], data['heading'], source)
 601                 result += 'UPDATING NMEA 1: '+repr(toto)+'<br>'
 602                 add_nmea1(*toto)
 603             return HttpResponse('Not fully implemented: '+repr(data) + '<br>' + result)
 604     else: # GET
 605         form = VesselManualInputForm()
 606     return render_to_response('vessel_manual_input.html', {'form': form, 'nmea': nmea}, RequestContext(request))
 607
 608
 609 @http_authenticate(auth, 'ais')
 610 def vessel_lastpos(request, strmmsi):
 611     value = kml_to_kmz(format_fleet([ strmmsi ], document_name=strmmsi).encode('utf-8'))
 612     response = HttpResponse(value, mimetype="application/vnd.google-earth.kmz")
 613     response['Content-Disposition'] = 'attachment; filename=%s.kmz' % strmmsi
 614     return response
 615
 616 @http_authenticate(auth, 'ais')
 617 def vessel_history(request, strmmsi):
 618     """
 619     TODO
 620     That view is called from Google Earth, so that it must support GET method.
 621     """
 622     initial = {}
 623     if request.method == 'POST':
 624         form = HistoryForm(request.POST, initial=initial)
 625         if form.is_valid():
 626             command, extension = form.get_cmdext()
 627
 628             command += u' ' + strmmsi
 629
 630             job = Job()
 631             job.queue_time = datetime.utcnow()
 632             job.friendly_filename = u'%s.%s' % (strmmsi, extension)
 633             job.user = request.user
 634             job.command = command
 635             job.save()
 636             if not jobrunner.wakeup_daemon():
 637                 return HttpResponseServerError(jobrunner.DAEMON_WAKEUP_ERROR)
 638             return HttpResponseRedirect('/job/%s/download' % job.id)
 639     else: # GET
 640         form = HistoryForm(initial=initial)
 641     strmmsi = strmmsi.encode('utf-8')
 642     nmea = Nmea.new_from_lastinfo(strmmsi)
 643     return render_to_response('vessel_history.html', {'nmea': nmea, 'form':form}, RequestContext(request))
 644
 645
 646 @http_authenticate(auth, 'ais')
 647 def fleets(request):
 648     fleetusers = request.user.fleetuser_set.order_by('fleet')
 649     return render_to_response('fleets.html', {'fleetusers':fleetusers}, RequestContext(request))
 650
 651
 652 @http_authenticate(auth, 'ais')
 653 def fleet(request, fleetname):
 654     fleet = get_object_or_404(Fleet, name=fleetname)
 655     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 656         return HttpResponseForbidden('<h1>Forbidden</h1>')
 657     return render_to_response('fleet.html', {'fleet':fleet}, RequestContext(request))
 658
 659
 660 class FleetEditForm(forms.Form):
 661     name = forms.CharField(max_length=50)
 662     description = forms.CharField(widget=forms.Textarea)
 663
 664     def clean_name(self):
 665         name = self.cleaned_data['name']
 666         if name == u'add':
 667             raise forms.ValidationError("Sorry that name is reserved. Try another one.")
 668         if name != self.initial.get('name', None):
 669             if Fleet.objects.filter(name=name).count():
 670                 raise forms.ValidationError("Sorry that fleet name is already in use. Try another one.")
 671         return remove_decoration(name).replace(u' ', u'_')
 672
 673
 674 @http_authenticate(auth, 'ais')
 675 def fleet_edit(request, fleetname):
 676     initial = {}
 677     if fleetname is not None:
 678         fleet = get_object_or_404(Fleet, name=fleetname)
 679         if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 680             return HttpResponseForbidden('<h1>Forbidden</h1>')
 681
 682         initial['name'] = fleet.name
 683         initial['description'] = fleet.description
 684     else:
 685         fleet = Fleet()
 686
 687     if request.method == 'POST':
 688         form = FleetEditForm(request.POST, initial=initial)
 689         if form.is_valid():
 690             fleet.name = form.cleaned_data['name']
 691             fleet.description = form.cleaned_data['description']
 692             fleet.save()
 693             if not fleetname: # new one
 694                 fu = FleetUser()
 695                 fu.fleet = fleet
 696                 fu.user = request.user
 697                 fu.save()
 698             request.user.info('Fleet updated')
 699             return HttpResponseRedirect('/fleet/%s/' % fleet.name)
 700     else: # GET
 701         form = FleetEditForm(initial=initial)
 702     return render_to_response('fleet_edit.html', {'fleet':fleet, 'form':form}, RequestContext(request))
 703
 704
 705 @http_authenticate(auth, 'ais')
 706 def fleet_vessels(request, fleetname):
 707     fleet = get_object_or_404(Fleet, name=fleetname)
 708     if not FleetUser.objects.filter(fleet=fleet, user=request.user.id).all():
 709         return HttpResponseForbidden('<h1>Forbidden</h1>')
 710     vessels = fleet.vessel.all()
 711     return render_to_response('fleet_vessels.html', {'fleet':fleet, 'vessels': vessels}, RequestContext(request))
 712
 713
 714 @http_authenticate(auth, 'ais')
 715 def fleet_vessel_add(request, fleetname):
 716     fleet = get_object_or_404(Fleet, name=fleetname)
 717     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 718         return HttpResponseForbidden('<h1>Forbidden</h1>')
 719     strmmsi = request.REQUEST['mmsi']
 720     mmsi = strmmsi_to_mmsi(strmmsi)
 721     try:
 722         vessel = Vessel.objects.get(pk=mmsi)
 723     except Vessel.DoesNotExist:
 724         request.user.error('No such vessel')
 725     else:
 726         try:
 727             fv = FleetVessel.objects.get(fleet=fleet, vessel=vessel)
 728         except FleetVessel.DoesNotExist:
 729             FleetVessel(fleet=fleet, vessel=vessel).save()
 730             request.user.info(u'Vessel %s added to fleet %s.' % (vessel.name, fleetname))
 731         else:
 732             request.user.error('Vessel with MMSI %s is already in that fleet' % strmmsi)
 733     return HttpResponseRedirect('/fleet/%s/list' % fleetname)
 734
 735
 736 class FleetAddVessel(forms.Form):
 737     mmsi = forms.CharField(help_text=u'Enter one MMSI per line', required=False, widget=forms.Textarea)
 738     #name = forms.CharField(max_length=20, required=False)
 739     #imo = forms.IntegerField(required=False)
 740     #callsign = forms.CharField(max_length=7, required=False)
 741     #destination = forms.CharField(max_length=20, required=False)
 742     def clean(self):
 743         cleaned_data = self.cleaned_data
 744         for value in cleaned_data.values():
 745             if value:
 746                 return cleaned_data
 747         raise forms.ValidationError("You must enter at least one criteria")
 748
 749 @http_authenticate(auth, 'ais')
 750 def fleet_vessel_add2(request, fleetname):
 751     fleet = get_object_or_404(Fleet, name=fleetname)
 752     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 753         return HttpResponseForbidden('<h1>Forbidden</h1>')
 754     if request.method == 'POST' or request.META['QUERY_STRING']:
 755         form = FleetAddVessel(request.REQUEST)
 756         if form.is_valid():
 757             data = form.cleaned_data
 758             result = []
 759             a_strmmsi = request.REQUEST['mmsi']
 760             if a_strmmsi:
 761                 for strmmsi in a_strmmsi.split('\n'):
 762                     strmmsi = strmmsi.strip('\r')
 763                     if not strmmsi:
 764                         continue
 765                     try:
 766                         sqlmmsi = strmmsi_to_mmsi(strmmsi)
 767                     except AssertionError:
 768                         result.append('Invalid mmsi %s' % strmmsi)
 769                         continue
 770                     try:
 771                         vessel = Vessel.objects.get(pk=sqlmmsi)
 772                     except Vessel.DoesNotExist:
 773                         result.append('No vessel with MMSI '+strmmsi)
 774                         continue
 775                     try:
 776                         fv = FleetVessel.objects.get(fleet=fleet, vessel=vessel)
 777                         result.append('Vessel with MMSI %s is already in that fleet' % strmmsi)
 778                     except FleetVessel.DoesNotExist:
 779                         FleetVessel(fleet=fleet, vessel=vessel).save()
 780                         result.append('Vessel with MMSI %s added' % strmmsi)
 781
 782             return HttpResponse('<br>'.join(result))
 783     else: # GET
 784         form = FleetAddVessel()
 785
 786     return render_to_response('fleet_vessel_add.html', {'form': form, 'fleet': fleet}, RequestContext(request))
 787
 788
 789 @http_authenticate(auth, 'ais')
 790 def fleet_users(request, fleetname):
 791     fleet = get_object_or_404(Fleet, name=fleetname)
 792     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 793         return HttpResponseForbidden('<h1>Forbidden</h1>')
 794
 795     if request.method == 'POST' or request.META['QUERY_STRING']:
 796         action = request.REQUEST['action']
 797         userlogin = request.REQUEST['user']
 798         try:
 799             user = User.objects.get(login=userlogin)
 800         except User.DoesNotExist:
 801             request.user.error(u'User %s does not exist.' % userlogin)
 802         else:
 803             if action == u'add':
 804                 try:
 805                     fu = FleetUser.objects.get(fleet=fleet, user=user)
 806                     request.user.error(u'User %s already has access.' % user.login)
 807                 except FleetUser.DoesNotExist:
 808                     FleetUser(fleet=fleet, user=user).save()
 809                     #TODO log
 810                     request.user.info(u'Granted access to user %s.' % user.login)
 811             elif action == u'revoke':
 812                 try:
 813                     fu = FleetUser.objects.get(fleet=fleet, user=user)
 814                     fu.delete()
 815                     #TODO log
 816                     request.user.info(u'Revoked access to user %s.' % user.login)
 817                     if FleetUser.objects.filter(fleet=fleet).count() == 0:
 818                         fleet.delete()
 819                         request.user.info(u"Deleted fleet %s (no more users)." % fleet.name)
 820                         return HttpResponseRedirect('/fleet/')
 821                 except FleetUser.DoesNotExist:
 822                     request.user.error(u'User %s didn\'t have access.' % user.login)
 823             else:
 824                 request.user.error(u'Unknown action %s' % action)
 825
 826     fleetusers = fleet.fleetuser_set.all()
 827     otherusers = User.objects.exclude(id__in=[fu.user.id for fu in fleetusers]).order_by('name')
 828     return render_to_response('fleet_users.html', {'fleet':fleet, 'fleetusers': fleetusers, 'otherusers': otherusers}, RequestContext(request))
 829
 830
 831 @http_authenticate(auth, 'ais')
 832 def fleet_lastpos(request, fleetname):
 833     fleet = get_object_or_404(Fleet, name=fleetname)
 834     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 835         return HttpResponseForbidden('<h1>Forbidden</h1>')
 836     fleet_uset = load_fleet_to_uset(fleet.id)
 837     value = kml_to_kmz(format_fleet(fleet_uset, document_name=fleetname+' fleet').encode('utf-8'))
 838     response = HttpResponse(value, mimetype="application/vnd.google-earth.kmz")
 839     response['Content-Disposition'] = 'attachment; filename=%s.kmz' % fleetname
 840     return response
 841
 842 @http_authenticate(auth, 'ais')
 843 def fleet_history(request, fleetname):
 844     fleet = get_object_or_404(Fleet, name=fleetname)
 845     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 846         return HttpResponseForbidden('<h1>Forbidden</h1>')
 847     initial = {}
 848     if request.method == 'POST':
 849         form = HistoryForm(request.POST, initial=initial)
 850         if form.is_valid():
 851             command, extension = form.get_cmdext()
 852
 853             command += u' @' + fleetname
 854
 855             job = Job()
 856             job.queue_time = datetime.utcnow()
 857             job.friendly_filename = u'%s.%s' % (fleetname, extension)
 858             job.user = request.user
 859             job.command = command
 860             job.save()
 861             if not jobrunner.wakeup_daemon():
 862                 return HttpResponseServerError(jobrunner.DAEMON_WAKEUP_ERROR)
 863             return HttpResponseRedirect('/job/%s/download' % job.id)
 864     else: # GET
 865         form = HistoryForm(initial=initial)
 866     return render_to_response('fleet_history.html', {'fleet': fleet, 'form':form}, RequestContext(request))
 867
 868
 869 @http_authenticate(auth, 'ais')
 870 def jobs_index(request):
 871     show_archive = request.REQUEST.has_key('archive')
 872     if show_archive:
 873         jobs = request.user.job_set.all()
 874     else:
 875         jobs = request.user.job_set.filter(archive_time__isnull=True)
 876
 877     response = render_to_response('jobs.html', {'jobs': jobs, 'queue_size': Job.queue_size(), 'archive': show_archive }, RequestContext(request))
 878     response['Refresh'] = 15
 879     return response
 880
 881 @http_authenticate(auth, 'ais')
 882 def job_detail(request, jobid):
 883     job = get_object_or_404(Job, id=jobid)
 884     if job.user != request.user:
 885         return HttpResponseForbidden('403 Forbidden')
 886     response = render_to_response('job.html', {'job': job, 'queue_size': Job.queue_size()}, RequestContext(request))
 887     if not job.finish_time:
 888         response['Refresh'] = 5
 889     elif not job.archive_time:
 890         # finished but not archived:
 891         response['Refresh'] = '0;url=https://' + request.get_host() + '/job/%s/download' % job.id
 892         # careful not to modify other unschronized columns
 893         Job.objects.filter(id=jobid).update(archive_time = datetime.utcnow())
 894     return response
 895
 896 @http_authenticate(auth, 'ais')
 897 def job_get(request, jobid):
 898     job = get_object_or_404(Job, id=jobid)
 899     if job.user != request.user:
 900         return HttpResponseForbidden('403 Forbidden')
 901     total_wait = 0
 902     while not job.finish_time:
 903         sleep(1)
 904         total_wait += 1
 905         if total_wait > 15:
 906             request.user.info('Your query is slow. Please be patient.')
 907             if not job.notify:
 908                 # careful not to modify other unschronized columns
 909                 Job.objects.filter(id=jobid).update(notify = 'W') # Web
 910             return HttpResponseRedirect('/job/%s/' % job.id)
 911         job = get_object_or_404(Job, id=jobid)
 912
 913     if not job.archive_time:
 914         # careful not to modify other unschronized columns
 915         Job.objects.filter(id=jobid).update(archive_time = datetime.utcnow())
 916
 917     if job.result:
 918         # Error occured
 919          return HttpResponseRedirect('/job/%s/' % job.id)
 920     extension = os.path.splitext(job.friendly_filename)[-1]
 921     return HttpResponseRedirect('/job_result/%s%s/%s' % (job.id, extension, job.friendly_filename))
 922
 923
 924 @http_authenticate(auth, 'ais')
 925 def job_log(request, jobid):
 926     job = get_object_or_404(Job, id=jobid)
 927     if job.user != request.user:
 928         return HttpResponseForbidden('403 Forbidden')
 929     log = u''
 930     try:
 931         log = file(jobrunner.RESULT_DIR+unicode(jobid)+'.log').read()
 932     except IOError, err:
 933         if err.errno != 2: # No such file
 934             raise
 935     return render_to_response('job_log.html', {'job': job, 'log': log}, RequestContext(request))
 936
 937
 938 @http_authenticate(auth, 'ais')
 939 def users(request):
 940     users = User.objects.order_by('name')
 941     for user in users:
 942         user.admin_ok = user.is_admin_by(request.user.id)
 943     if request.REQUEST.has_key('showtree'):
 944         local_users = {}
 945         for user in users:
 946             user.children = []
 947             local_users[user.id] = user
 948         for user in users:
 949             if user.father_id == None:
 950                 root = user
 951             else:
 952                 local_users[user.father_id].children.append(user)
 953         assert root
 954         return render_to_response('users_tree.html', {'root': root, 'auser': request.user.id}, RequestContext(request))
 955     else:
 956         return render_to_response('users.html', {'users':users}, RequestContext(request))
 957
 958 phone_re = re.compile('^\\+.+')
 959
 960 class UserEditForm(forms.Form):
 961     login = forms.RegexField(regex=r'^[a-zA-Z0-9_]+$', max_length=16,
 962         error_message ='Login must only contain letters, numbers and underscores')
 963     name = forms.CharField(max_length=50)
 964     email = forms.EmailField()
 965     phone = forms.RegexField(regex='\\+.+', max_length=20, required=False,
 966         error_message ='Phones must start with a \'+\'')
 967     def __init__(self, *args, **kargs):
 968         forms.Form.__init__(self, *args, **kargs)
 969         self.old_login = kargs['initial']['login']
 970     def clean_login(self):
 971         new_login = self.cleaned_data['login']
 972         if new_login != self.old_login:
 973             if User.objects.filter(login=new_login).count():
 974                 raise forms.ValidationError("Sorry that login is already in use. Try another one.")
 975             if new_login == u'add':
 976                 raise forms.ValidationError("Sorry that login is reserved. Try another one.")
 977         return new_login
 978
 979 @http_authenticate(auth, 'ais')
 980 def user_detail(request, login):
 981     user = get_object_or_404(User, login=login)
 982     user.admin_ok = user.is_admin_by(request.user.id)
 983     return render_to_response('user_detail.html', {'auser': user}, RequestContext(request))
 984
 985 @http_authenticate(auth, 'ais')
 986 def user_edit(request, login):
 987     initial = {}
 988     if login:
 989         user = get_object_or_404(User, login=login)
 990         if not user.is_admin_by(request.user.id):
 991             return HttpResponseForbidden('403 Forbidden')
 992     else:
 993         user = User()
 994         user.father_id = request.user.id;
 995     initial['login'] = user.login
 996     initial['name'] = user.name
 997     initial['email'] = user.email
 998     initial['phone'] = user.phone
 999     if request.method == 'POST':
1000         form = UserEditForm(request.POST, initial=initial)
1001         if form.is_valid():
1002             user.login = form.cleaned_data['login']
1003             user.name = form.cleaned_data['name']
1004             user.email = form.cleaned_data['email']
1005             user.phone = form.cleaned_data['phone']
1006             user.save()
1007             user.check_sandbox_access(request.user)
1008             return HttpResponseRedirect('/user/')
1009     else: # GET
1010         form = UserEditForm(initial=initial)
1011
1012     return render_to_response('user_edit.html', {'form':form, 'auser': user}, RequestContext(request))
1013
1014
1015 class ChangePasswordForm(forms.Form):
1016     new_password = forms.CharField(max_length=16, widget=forms.PasswordInput())
1017     new_password_check = forms.CharField(max_length=16, widget=forms.PasswordInput())
1018
1019     def clean_generic_password(self, field_name):
1020         password = self.cleaned_data[field_name]
1021         try:
1022             crack.FascistCheck(password)
1023         except ValueError, err:
1024             raise forms.ValidationError(err.message)
1025         return password
1026
1027     def clean_new_password(self):
1028         return self.clean_generic_password('new_password')
1029
1030     def clean_new_password_check(self):
1031         return self.clean_generic_password('new_password_check')
1032
1033     def clean(self):
1034         cleaned_data = self.cleaned_data
1035         pass1 = cleaned_data.get('new_password')
1036         pass2 = cleaned_data.get('new_password_check')
1037         if pass1 != pass2 and pass2:
1038             self._errors['new_password_check'] = forms.util.ErrorList(['Passwords must match'])
1039             del cleaned_data['new_password_check'] # FIXME
1040         return cleaned_data
1041
1042
1043 @http_authenticate(auth, 'ais')
1044 def user_change_password(request, login):
1045     user = get_object_or_404(User, login=login)
1046     if not user.is_admin_by(request.user.id):
1047         return HttpResponseForbidden('403 Forbidden')
1048     if request.method == 'POST':
1049         form = ChangePasswordForm(request.POST)
1050         if form.is_valid():
1051             user.set_password(form.cleaned_data['new_password'])
1052             user.save()
1053             return HttpResponseRedirect('/user/')
1054     else: # GET
1055         form = ChangePasswordForm()
1056     return render_to_response('user_change_password.html', {'form':form, 'auser':user}, RequestContext(request))
1057
1058
1059 @http_authenticate(auth, 'ais')
1060 def user_delete(request, login):
1061     user = get_object_or_404(User, login=login)
1062     if not user.is_admin_by(request.user.id):
1063         return HttpResponseForbidden('403 Forbidden')
1064     if request.REQUEST.get('confirm', None):
1065         user.delete()
1066         return HttpResponseRedirect('/user/')
1067     return render_to_response('user_delete.html', {'form':None, 'auser':user}, RequestContext(request))
1068
1069
1070 def logout(request):
1071     # TODO
1072     return HttpResponse('Not implemented')
1073     #response = render_to_response('logout.html', {}, RequestContext(request))
1074     #return response
1075
1076 periods = ({
1077     'name_tiny': '2h',
1078     'name_long': '2 hours',
1079     'seconds': 2*60*60
1080     }, {
1081     'name_tiny': '6h',
1082     'name_long': '6 hours',
1083     'seconds': 6*60*60,
1084     'default': True,
1085     }, {
1086     'name_tiny': '2d',
1087     'name_long': '2 days',
1088     'seconds': 2*24*60*60
1089     }, {
1090     'name_tiny': '14d',
1091     'name_long': '2 weeks',
1092     'seconds': 14*24*60*60
1093     }, {
1094     'name_tiny': '90d',
1095     'name_long': '3 monthes',
1096     'seconds': 90*24*60*60
1097     }, {
1098     'name_tiny': '180d',
1099     'name_long': '6 monthes',
1100     'seconds': 180*24*60*60
1101     })
1102
1103 class StatsSelectorForm(forms.Form):
1104     peers = forms.ChoiceField(choices=[('', 'All')] + [(id4,source['name']) for id4,source in peers_get_config().iteritems()])
1105     types = forms.ChoiceField(choices=[('', 'All'), ('bytes', 'Bandwidth'), ('counts', "Packet'izer")], initial='counts')
1106     periods = forms.ChoiceField(choices=[(period['name_tiny'], period['name_long']) for period in periods] + [('', 'All')], initial='2d')
1107
1108 @http_authenticate(auth, 'ais')
1109 def sources_index(request):
1110     ACTIVE_MINUTES = 5
1111     peers_config = peers_get_config()
1112     peers_display = []
1113     for id4, peer in peers_config.iteritems():
1114         peer['id4'] = id4
1115         peer['id2'] = id4[2:]
1116         peer['active'] = is_id4_active(id4, 60*ACTIVE_MINUTES)
1117         peers_display.append(peer)
1118
1119     peers_display = sorted(peers_display, key=lambda k: k['id4'])
1120
1121     form = StatsSelectorForm()
1122
1123     response = render_to_response('sources_index.html', {'sources':peers_display, 'active_minutes': ACTIVE_MINUTES, 'form': form}, RequestContext(request))
1124     response['Refresh'] = 60*ACTIVE_MINUTES
1125     return response
1126
1127
1128 @http_authenticate(auth, 'ais')
1129 def sources_stats(request):
1130     filter_peers = request.REQUEST.get('peers', None)
1131     if filter_peers:
1132         filter_peers = filter_peers.split(u',')
1133
1134     peers_config = peers_get_config()
1135     peers_display = []
1136
1137     for id4, peer in peers_config.iteritems():
1138         if filter_peers:
1139             if unicode(id4) not in filter_peers:
1140                 continue
1141         peer['id4'] = id4
1142         peers_display.append(peer)
1143
1144     peers_display = sorted(peers_display, key=lambda k: k['id4'])
1145
1146     filter_types = request.REQUEST.get('types', None)
1147     if filter_types:
1148         filter_types = filter_types.split(u',')
1149     else:
1150         filter_types = [ 'bytes', 'counts' ]
1151     logging.error('filter_types=%s', filter_types)
1152
1153     filter_periods = request.REQUEST.get('periods', None)
1154     if filter_periods:
1155         display_periods = []
1156         for period_name in filter_periods.split(u','):
1157             for period in periods:
1158                 if period['name_tiny'] == period_name:
1159                     display_periods.append(period)
1160     else:
1161         display_periods = periods
1162     #logging.error('display_periods=%s', display_periods)
1163
1164
1165     now = int(get_timestamp())
1166     for config in peers_display:
1167         id4 = config['id4']
1168         for period in periods:
1169             args = os.path.join(STATS_DIR, id4+'-'+period['name_tiny']+'-bytes.png'), \
1170                 '--lazy', \
1171                 '-l', '0', \
1172                 '--title', config['name'] + ' - Bandwidth usage - ' + period['name_long'], \
1173                 '--start', '%d' % (now - period['seconds']), \
1174                 '--end', '%d' % now, \
1175                 '--vertical-label', 'bps', \
1176                 'DEF:bytes=%s:bytes:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1177                 'DEF:rawbytes=%s:rawbytes:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1178                 'CDEF:bits=bytes,8,*', \
1179                 'CDEF:rawbits=rawbytes,8,*', \
1180                 'LINE:bits#00FF00:IP payload', \
1181                 'LINE:rawbits#FF0000:IP with headers'
1182             rrdtool.graph(*args)
1183             args = os.path.join(STATS_DIR, id4+'-'+period['name_tiny']+'-counts.png'), \
1184                 '--lazy', \
1185                 '-l', '0', \
1186                 '--title', config['name'] + ' - Packet\'izer stats - ' + period['name_long'], \
1187                 '--start', '%d' % (now-period['seconds']), \
1188                 '--end', '%d' % now, \
1189                 '--vertical-label', 'Hz', \
1190                 'DEF:packets=%s:packets:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1191                 'DEF:lines=%s:lines:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1192                 'LINE:packets#FF0000:input packets', \
1193                 'LINE:lines#00FF00:AIVDM lines'
1194             rrdtool.graph(*args)
1195     return render_to_response('sources.html', {'sources':peers_display, 'show_bytes': 'bytes' in filter_types,  'show_counts': 'counts' in filter_types, 'periods': display_periods}, RequestContext(request))
1196
1197
1198 @http_authenticate(auth, 'ais')
1199 def news(request, page):
1200     NEWS_PER_PAGE = 5
1201     if page:
1202         page = int(page)
1203     else:
1204         page = 1
1205     npages = int((News.objects.count() + NEWS_PER_PAGE - 1) // NEWS_PER_PAGE)
1206     news = News.objects.order_by('-created')[(page - 1) * NEWS_PER_PAGE : page * NEWS_PER_PAGE]
1207     return render_to_response('news.html', {'news':news, 'page': page, 'npages': npages}, RequestContext(request))
1208
1209 @http_authenticate(auth, 'ais')
1210 def news_atom(request):
1211     from django.db import connection
1212
1213     news = News.objects.order_by('-created')
1214
1215     cursor = connection.cursor()
1216     cursor.execute("SELECT MAX(updated) FROM news")
1217     row = cursor.fetchone()
1218     last_update = row[0]
1219
1220     return render_to_response('news.atom', {'news':news, 'last_update':last_update}, RequestContext(request), mimetype='application/atom+xml')