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'--format=animation')
 301             addparam(u'--start')
 302             addparam(date_start.strftime('%Y%m%d'))
 303
 304         date_end = data.get('end_date', None)
 305         if date_end:
 306             addparam(u'--end')
 307             addparam(date_end.strftime('%Y%m%d'))
 308
 309         duration = data.get('duration', None)
 310         if duration:
 311             addparam(u'--duration')
 312             addparam(duration)
 313
 314         grain = data['grain']
 315         addparam(u'--granularity')
 316         addparam(grain)
 317
 318         filter_area = data.get('filter_area', None)
 319         if filter_area:
 320             addparam(u'--filter-area')
 321             addparam(filter_area)
 322
 323         filter_sog_le = data.get('filter_sog_le', None)
 324         if filter_sog_le:
 325             addparam(u'--filter-sog-le')
 326             addparam(filter_sog_le)
 327
 328         filter_sog_ge = data.get('filter_sog_ge', None)
 329         if filter_sog_ge:
 330             addparam(u'--filter-sog-ge')
 331             addparam(filter_sog_ge)
 332
 333         filter_destination = data.get('filter_destination', None)
 334         if filter_destination:
 335             addparam(u'--filter-destination')
 336             addparam(filter_destination)
 337
 338         reference_latitude = self.cleaned_data.get('reference_latitude', None)
 339         reference_longitude = self.cleaned_data.get('reference_longitude', None)
 340         filter_close_to = self.cleaned_data.get('filter_close_to', None)
 341         filter_far_from = self.cleaned_data.get('filter_far_from', None)
 342         if filter_close_to and reference_latitude and reference_longitude:
 343             addparam(u'--filter-closeto')
 344             addparam(reference_latitude)
 345             addparam(reference_longitude)
 346             addparam(filter_close_to)
 347         if filter_far_from and reference_latitude and reference_longitude:
 348             addparam(u'--filter-farfrom')
 349             addparam(reference_latitude)
 350             addparam(reference_longitude)
 351             addparam(filter_far_from)
 352         return u' '.join(command), extension
 353
 354
 355 @http_authenticate(auth, 'ais')
 356 def vessel(request, strmmsi):
 357     mmsi = strmmsi_to_mmsi(strmmsi)
 358     vessel = get_object_or_404(Vessel, pk=mmsi)
 359     nmea = Nmea.new_from_lastinfo(strmmsi)
 360     #if not nmea.timestamp_1 and not nmea.timestamp_5:
 361     #    raise Http404
 362     return render_to_response('vessel.html', {'nmea': nmea, 'form': HistoryForm()}, RequestContext(request))
 363
 364
 365 class VesselManualInputForm(forms.Form):
 366     timestamp = forms.DateTimeField(label=u'When', help_text=u'When was the observation made in GMT. Use YYYY-MM-DD HH:MM:SS format')
 367     imo = forms.IntegerField(required=False, min_value=1000000, max_value=9999999)
 368     name = forms.CharField(max_length=20, required=False)
 369     callsign = forms.CharField(max_length=7, required=False)
 370     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)
 371     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)
 372     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)
 373     latitude = forms.CharField(required=False)
 374     longitude = forms.CharField(required=False)
 375     cog = forms.FloatField(label='Course', help_text='Over ground', required=False, min_value=0.0, max_value=359.9)
 376     heading = forms.IntegerField(required=False, min_value=0, max_value=359)
 377
 378     @staticmethod
 379     def _clean_ais_charset(ustr):
 380         ustr = remove_decoration(ustr) # benign cleaning, but can increase size (œ->oe)
 381         ustr = ustr.upper() # benign cleaning
 382         str = clean_ais_charset(ustr.encode('ascii', 'replace'))
 383         if unicode(str) != ustr:
 384             raise forms.ValidationError('Invalid character: AIS alphabet is @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^- !"#$%&\'()*+,-./0123456789:;<=>?')
 385         return str
 386
 387     def clean_timestamp(self):
 388         data = self.cleaned_data['timestamp']
 389         if data is None:
 390             return None
 391         if data < datetime.utcnow() - timedelta(365):
 392             raise forms.ValidationError('Date is too much is the past.')
 393         if data > datetime.utcnow():
 394             raise forms.ValidationError('Date is be in the future. This form is only for observed results.')
 395         return datetime_to_timestamp(data)
 396
 397     def clean_imo(self):
 398         data = self.cleaned_data['imo']
 399         if data is None:
 400             return 0
 401         return data
 402
 403     def clean_name(self):
 404         name = self.cleaned_data['name']
 405         if name is None:
 406             return ''
 407         name = VesselManualInputForm._clean_ais_charset(name)
 408         if len(name)>20:
 409             raise forms.ValidationError('Ensure this value has at most 20 characters (it has %s).' % len(name))
 410         return name
 411
 412     def clean_callsign(self):
 413         callsign = self.cleaned_data['callsign']
 414         if callsign is None:
 415             return ''
 416         callsign = VesselManualInputForm._clean_ais_charset(callsign)
 417         if len(callsign)>7:
 418             raise forms.ValidationError('Ensure this value has at most 7 characters (it has %s).' % len(callsign))
 419         return callsign
 420
 421     def clean_sog(self):
 422         sog = self.cleaned_data['sog']
 423         if sog is None:
 424             return AIS_SOG_NOT_AVAILABLE
 425         return int(sog*AIS_SOG_SCALE)
 426
 427     def clean_latitude(self):
 428         #TODO: use ntools.clean_latitude
 429         data = self.cleaned_data['latitude']
 430         data = data.replace(u"''", u'"') # common mistake
 431         data = data.replace(u' ', u'') # remove spaces
 432         sides = u'SN'
 433         if not data:
 434             return AIS_LAT_NOT_AVAILABLE
 435         tmp, side = data[:-1], data[-1]
 436         if side == sides[0]:
 437             side = -1
 438         elif side == sides[1]:
 439             side = 1
 440         else:
 441             raise forms.ValidationError(u'Last character must be either %s or %s.' % (sides[0], sides[1]))
 442         spl = tmp.split(u'°')
 443         if len(spl) == 1:
 444             raise forms.ValidationError(u'You need to use the ° character.')
 445         d, tmp = spl
 446         try:
 447             d = float(d)
 448         except ValueError:
 449             raise forms.ValidationError(u'Degrees must be an number. It\'s %s.' % d)
 450         spl = tmp.split(u"'", 1)
 451         if len(spl) == 1:
 452             # no ' sign: ok only if there is nothing but the side after °
 453             # we don't accept seconds if there is no minutes:
 454             # It might be an entry mistake
 455             tmp = spl[0]
 456             if len(tmp) == 0:
 457                 m = s = 0
 458             else:
 459                 raise forms.ValidationError(u'You must use the \' character between ° and %s.' % data[-1])
 460         else:
 461             m, tmp = spl
 462             try:
 463                 m = float(m)
 464             except ValueError:
 465                 raise forms.ValidationError(u'Minutes must be an number. It\'s %s.' % m)
 466             if len(tmp) == 0:
 467                 s = 0
 468             else:
 469                 if tmp[-1] != '"':
 470                     raise forms.ValidationError(u'You must use the " character between seconds and %s.' % data[-1])
 471                 s = tmp[:-1]
 472                 try:
 473                     s = float(s)
 474                 except ValueError:
 475                     raise forms.ValidationError(u'Seconds must be an number. It\'s %s.' % s)
 476         data = side * ( d + m / 60 + s / 3600)
 477
 478         if data < -90 or data > 90:
 479             raise forms.ValidationError(u'%s in not in -90..90 range' % data)
 480         return int(data * AIS_LATLON_SCALE)
 481
 482     def clean_longitude(self):
 483         #TODO: use ntools.clean_latitude
 484         data = self.cleaned_data['longitude']
 485         data = data.replace(u"''", u'"') # common mistake
 486         data = data.replace(u' ', u'') # remove spaces
 487         sides = u'WE'
 488         if not data:
 489             return AIS_LON_NOT_AVAILABLE
 490         tmp, side = data[:-1], data[-1]
 491         if side == sides[0]:
 492             side = -1
 493         elif side == sides[1]:
 494             side = 1
 495         else:
 496             raise forms.ValidationError(u'Last character must be either %s or %s.' % (sides[0], sides[1]))
 497         spl = tmp.split(u'°')
 498         if len(spl) == 1:
 499             raise forms.ValidationError(u'You need to use the ° character.')
 500         d, tmp = spl
 501         try:
 502             d = float(d)
 503         except ValueError:
 504             raise forms.ValidationError(u'Degrees must be an number. It\'s %s.' % d)
 505         spl = tmp.split(u"'", 1)
 506         if len(spl) == 1:
 507             # no ' sign: ok only if there is nothing but the side after °
 508             # we don't accept seconds if there is no minutes:
 509             # It might be an entry mistake
 510             tmp = spl[0]
 511             if len(tmp) == 0:
 512                 m = s = 0
 513             else:
 514                 raise forms.ValidationError(u'You must use the \' character between ° and %s.' % data[-1])
 515         else:
 516             m, tmp = spl
 517             try:
 518                 m = float(m)
 519             except ValueError:
 520                 raise forms.ValidationError(u'Minutes must be an number. It\'s %s.' % m)
 521             if len(tmp) == 0:
 522                 s = 0
 523             else:
 524                 if tmp[-1] != '"':
 525                     raise forms.ValidationError(u'You must use the " character between seconds and %s.' % data[-1])
 526                 s = tmp[:-1]
 527                 try:
 528                     s = float(s)
 529                 except ValueError:
 530                     raise forms.ValidationError(u'Seconds must be an number. It\'s %s.' % s)
 531         data = side * ( d + m / 60 + s / 3600)
 532
 533         if data < -180 or data > 180:
 534             raise forms.ValidationError(u'%s in not in -180..180 range' % data)
 535         return int(data * AIS_LATLON_SCALE)
 536
 537     def clean_cog(self):
 538         data = self.cleaned_data['cog']
 539         if data is None:
 540             return AIS_COG_NOT_AVAILABLE
 541         return int(data * AIS_COG_SCALE)
 542
 543     def clean_heading(self):
 544         #raise forms.ValidationError(u'clean_heading called')
 545         data = self.cleaned_data['heading']
 546         if data is None:
 547             return AIS_NO_HEADING
 548         return data
 549
 550     def clean(self):
 551         cleaned_data = self.cleaned_data
 552         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):
 553             raise forms.ValidationError('It makes no sense to enter just a latitude or a longitude. Enter both or none.')
 554         if cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE:
 555             if cleaned_data.get('status', AIS_STATUS_NOT_AVAILABLE) != AIS_STATUS_NOT_AVAILABLE:
 556                 raise forms.ValidationError('It makes no sense to enter a status without coordinates. Please enter latitute and longitude too.')
 557             if cleaned_data.get('sog', AIS_SOG_NOT_AVAILABLE) != AIS_SOG_NOT_AVAILABLE:
 558                 raise forms.ValidationError('It makes no sense to enter a speed without coordinates. Please enter latitute and longitude too.')
 559             if cleaned_data.get('cog', AIS_COG_NOT_AVAILABLE) != AIS_COG_NOT_AVAILABLE:
 560                 raise forms.ValidationError('It makes no sense to enter a course without coordinates. Please enter latitute and longitude too.')
 561             if cleaned_data.get('heading', AIS_NO_HEADING) != AIS_NO_HEADING:
 562                 raise forms.ValidationError('It makes no sense to enter a heading without coordinates. Please enter latitute and longitude too.')
 563
 564         if cleaned_data.get('timestamp', None) \
 565         and cleaned_data.get('imo', 0) == 0 \
 566         and cleaned_data.get('name', '') == '' \
 567         and cleaned_data.get('callsign', '') == '' \
 568         and cleaned_data.get('type', 0) == 0 \
 569         and cleaned_data.get('status', AIS_STATUS_NOT_AVAILABLE) == AIS_STATUS_NOT_AVAILABLE \
 570         and cleaned_data.get('sog', AIS_SOG_NOT_AVAILABLE) == AIS_SOG_NOT_AVAILABLE \
 571         and cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE \
 572         and cleaned_data.get('longitude', AIS_LON_NOT_AVAILABLE) == AIS_LON_NOT_AVAILABLE \
 573         and cleaned_data.get('cog', AIS_COG_NOT_AVAILABLE) == AIS_COG_NOT_AVAILABLE \
 574         and cleaned_data.get('heading', AIS_NO_HEADING) == AIS_NO_HEADING:
 575             raise forms.ValidationError("You must enter some data, beside when.")
 576         return cleaned_data
 577
 578 @http_authenticate(auth, 'ais')
 579 def vessel_manual_input(request, strmmsi):
 580     strmmsi = strmmsi.encode('utf-8')
 581     nmea = Nmea.new_from_lastinfo(strmmsi)
 582     if request.method == 'POST' or request.META['QUERY_STRING']:
 583         form = VesselManualInputForm(request.REQUEST)
 584         if form.is_valid():
 585             data = form.cleaned_data
 586             source = 'U' +  struct.pack('<I', request.user.id)[0:3]
 587             result = u''
 588             if data['imo'] != 0 \
 589             or data['name'] != '' \
 590             or data['callsign'] != '' \
 591             or data['type'] != 0:
 592                 toto = (strmmsi, data['timestamp'], data['imo'], data['name'], data['callsign'], data['type'], 0,0,0,0, 0,0,24,60, 0, '', source)
 593                 result += 'UPDATING NMEA 5: '+repr(toto)+'<br>'
 594                 add_nmea5_partial(*toto)
 595             if data['status'] != AIS_STATUS_NOT_AVAILABLE \
 596             or data['sog'] != AIS_SOG_NOT_AVAILABLE \
 597             or data['latitude'] != AIS_LAT_NOT_AVAILABLE \
 598             or data['longitude'] != AIS_LON_NOT_AVAILABLE \
 599             or data['cog'] != AIS_COG_NOT_AVAILABLE \
 600             or data['heading'] != AIS_NO_HEADING:
 601                 toto = (strmmsi, data['timestamp'], data['status'], AIS_ROT_NOT_AVAILABLE, data['sog'], data['latitude'], data['longitude'], data['cog'], data['heading'], source)
 602                 result += 'UPDATING NMEA 1: '+repr(toto)+'<br>'
 603                 add_nmea1(*toto)
 604             return HttpResponse('Not fully implemented: '+repr(data) + '<br>' + result)
 605     else: # GET
 606         form = VesselManualInputForm()
 607     return render_to_response('vessel_manual_input.html', {'form': form, 'nmea': nmea}, RequestContext(request))
 608
 609
 610 @http_authenticate(auth, 'ais')
 611 def vessel_lastpos(request, strmmsi):
 612     value = kml_to_kmz(format_fleet([ strmmsi ], document_name=strmmsi).encode('utf-8'))
 613     response = HttpResponse(value, mimetype="application/vnd.google-earth.kmz")
 614     response['Content-Disposition'] = 'attachment; filename=%s.kmz' % strmmsi
 615     return response
 616
 617 @http_authenticate(auth, 'ais')
 618 def vessel_history(request, strmmsi):
 619     """
 620     TODO
 621     That view is called from Google Earth, so that it must support GET method.
 622     """
 623     initial = {}
 624     if request.method == 'POST':
 625         form = HistoryForm(request.POST, initial=initial)
 626         if form.is_valid():
 627             command, extension = form.get_cmdext()
 628
 629             command += u' ' + strmmsi
 630
 631             job = Job()
 632             job.queue_time = datetime.utcnow()
 633             job.friendly_filename = u'%s.%s' % (strmmsi, extension)
 634             job.user = request.user
 635             job.command = command
 636             job.save()
 637             if not jobrunner.wakeup_daemon():
 638                 return HttpResponseServerError(jobrunner.DAEMON_WAKEUP_ERROR)
 639             return HttpResponseRedirect('/job/%s/download' % job.id)
 640     else: # GET
 641         form = HistoryForm(initial=initial)
 642     strmmsi = strmmsi.encode('utf-8')
 643     nmea = Nmea.new_from_lastinfo(strmmsi)
 644     return render_to_response('vessel_history.html', {'nmea': nmea, 'form':form}, RequestContext(request))
 645
 646
 647 @http_authenticate(auth, 'ais')
 648 def fleets(request):
 649     fleetusers = request.user.fleetuser_set.order_by('fleet')
 650     return render_to_response('fleets.html', {'fleetusers':fleetusers}, RequestContext(request))
 651
 652
 653 @http_authenticate(auth, 'ais')
 654 def fleet(request, fleetname):
 655     fleet = get_object_or_404(Fleet, name=fleetname)
 656     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 657         return HttpResponseForbidden('<h1>Forbidden</h1>')
 658     return render_to_response('fleet.html', {'fleet':fleet}, RequestContext(request))
 659
 660
 661 class FleetEditForm(forms.Form):
 662     name = forms.CharField(max_length=50)
 663     description = forms.CharField(widget=forms.Textarea)
 664
 665     def clean_name(self):
 666         name = self.cleaned_data['name']
 667         if name == u'add':
 668             raise forms.ValidationError("Sorry that name is reserved. Try another one.")
 669         if name != self.initial.get('name', None):
 670             if Fleet.objects.filter(name=name).count():
 671                 raise forms.ValidationError("Sorry that fleet name is already in use. Try another one.")
 672         return remove_decoration(name).replace(u' ', u'_')
 673
 674
 675 @http_authenticate(auth, 'ais')
 676 def fleet_edit(request, fleetname):
 677     initial = {}
 678     if fleetname is not None:
 679         fleet = get_object_or_404(Fleet, name=fleetname)
 680         if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 681             return HttpResponseForbidden('<h1>Forbidden</h1>')
 682
 683         initial['name'] = fleet.name
 684         initial['description'] = fleet.description
 685     else:
 686         fleet = Fleet()
 687
 688     if request.method == 'POST':
 689         form = FleetEditForm(request.POST, initial=initial)
 690         if form.is_valid():
 691             fleet.name = form.cleaned_data['name']
 692             fleet.description = form.cleaned_data['description']
 693             fleet.save()
 694             if not fleetname: # new one
 695                 fu = FleetUser()
 696                 fu.fleet = fleet
 697                 fu.user = request.user
 698                 fu.save()
 699             request.user.info('Fleet updated')
 700             return HttpResponseRedirect('/fleet/%s/' % fleet.name)
 701     else: # GET
 702         form = FleetEditForm(initial=initial)
 703     return render_to_response('fleet_edit.html', {'fleet':fleet, 'form':form}, RequestContext(request))
 704
 705
 706 @http_authenticate(auth, 'ais')
 707 def fleet_vessels(request, fleetname):
 708     fleet = get_object_or_404(Fleet, name=fleetname)
 709     if not FleetUser.objects.filter(fleet=fleet, user=request.user.id).all():
 710         return HttpResponseForbidden('<h1>Forbidden</h1>')
 711     vessels = fleet.vessel.all()
 712     return render_to_response('fleet_vessels.html', {'fleet':fleet, 'vessels': vessels}, RequestContext(request))
 713
 714
 715 @http_authenticate(auth, 'ais')
 716 def fleet_vessel_add(request, fleetname):
 717     fleet = get_object_or_404(Fleet, name=fleetname)
 718     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 719         return HttpResponseForbidden('<h1>Forbidden</h1>')
 720     strmmsi = request.REQUEST['mmsi']
 721     mmsi = strmmsi_to_mmsi(strmmsi)
 722     try:
 723         vessel = Vessel.objects.get(pk=mmsi)
 724     except Vessel.DoesNotExist:
 725         request.user.error('No such vessel')
 726     else:
 727         try:
 728             fv = FleetVessel.objects.get(fleet=fleet, vessel=vessel)
 729         except FleetVessel.DoesNotExist:
 730             FleetVessel(fleet=fleet, vessel=vessel).save()
 731             request.user.info(u'Vessel %s added to fleet %s.' % (vessel.name, fleetname))
 732         else:
 733             request.user.error('Vessel with MMSI %s is already in that fleet' % strmmsi)
 734     return HttpResponseRedirect('/fleet/%s/list' % fleetname)
 735
 736
 737 class FleetAddVessel(forms.Form):
 738     mmsi = forms.CharField(help_text=u'Enter one MMSI per line', required=False, widget=forms.Textarea)
 739     #name = forms.CharField(max_length=20, required=False)
 740     #imo = forms.IntegerField(required=False)
 741     #callsign = forms.CharField(max_length=7, required=False)
 742     #destination = forms.CharField(max_length=20, required=False)
 743     def clean(self):
 744         cleaned_data = self.cleaned_data
 745         for value in cleaned_data.values():
 746             if value:
 747                 return cleaned_data
 748         raise forms.ValidationError("You must enter at least one criteria")
 749
 750 @http_authenticate(auth, 'ais')
 751 def fleet_vessel_add2(request, fleetname):
 752     fleet = get_object_or_404(Fleet, name=fleetname)
 753     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 754         return HttpResponseForbidden('<h1>Forbidden</h1>')
 755     if request.method == 'POST' or request.META['QUERY_STRING']:
 756         form = FleetAddVessel(request.REQUEST)
 757         if form.is_valid():
 758             data = form.cleaned_data
 759             result = []
 760             a_strmmsi = request.REQUEST['mmsi']
 761             if a_strmmsi:
 762                 for strmmsi in a_strmmsi.split('\n'):
 763                     strmmsi = strmmsi.strip('\r')
 764                     if not strmmsi:
 765                         continue
 766                     try:
 767                         sqlmmsi = strmmsi_to_mmsi(strmmsi)
 768                     except AssertionError:
 769                         result.append('Invalid mmsi %s' % strmmsi)
 770                         continue
 771                     try:
 772                         vessel = Vessel.objects.get(pk=sqlmmsi)
 773                     except Vessel.DoesNotExist:
 774                         result.append('No vessel with MMSI '+strmmsi)
 775                         continue
 776                     try:
 777                         fv = FleetVessel.objects.get(fleet=fleet, vessel=vessel)
 778                         result.append('Vessel with MMSI %s is already in that fleet' % strmmsi)
 779                     except FleetVessel.DoesNotExist:
 780                         FleetVessel(fleet=fleet, vessel=vessel).save()
 781                         result.append('Vessel with MMSI %s added' % strmmsi)
 782
 783             return HttpResponse('<br>'.join(result))
 784     else: # GET
 785         form = FleetAddVessel()
 786
 787     return render_to_response('fleet_vessel_add.html', {'form': form, 'fleet': fleet}, RequestContext(request))
 788
 789
 790 @http_authenticate(auth, 'ais')
 791 def fleet_users(request, fleetname):
 792     fleet = get_object_or_404(Fleet, name=fleetname)
 793     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 794         return HttpResponseForbidden('<h1>Forbidden</h1>')
 795
 796     if request.method == 'POST' or request.META['QUERY_STRING']:
 797         action = request.REQUEST['action']
 798         userlogin = request.REQUEST['user']
 799         try:
 800             user = User.objects.get(login=userlogin)
 801         except User.DoesNotExist:
 802             request.user.error(u'User %s does not exist.' % userlogin)
 803         else:
 804             if action == u'add':
 805                 try:
 806                     fu = FleetUser.objects.get(fleet=fleet, user=user)
 807                     request.user.error(u'User %s already has access.' % user.login)
 808                 except FleetUser.DoesNotExist:
 809                     FleetUser(fleet=fleet, user=user).save()
 810                     #TODO log
 811                     request.user.info(u'Granted access to user %s.' % user.login)
 812             elif action == u'revoke':
 813                 try:
 814                     fu = FleetUser.objects.get(fleet=fleet, user=user)
 815                     fu.delete()
 816                     #TODO log
 817                     request.user.info(u'Revoked access to user %s.' % user.login)
 818                     if FleetUser.objects.filter(fleet=fleet).count() == 0:
 819                         fleet.delete()
 820                         request.user.info(u"Deleted fleet %s (no more users)." % fleet.name)
 821                         return HttpResponseRedirect('/fleet/')
 822                 except FleetUser.DoesNotExist:
 823                     request.user.error(u'User %s didn\'t have access.' % user.login)
 824             else:
 825                 request.user.error(u'Unknown action %s' % action)
 826
 827     fleetusers = fleet.fleetuser_set.all()
 828     otherusers = User.objects.exclude(id__in=[fu.user.id for fu in fleetusers]).order_by('name')
 829     return render_to_response('fleet_users.html', {'fleet':fleet, 'fleetusers': fleetusers, 'otherusers': otherusers}, RequestContext(request))
 830
 831
 832 @http_authenticate(auth, 'ais')
 833 def fleet_lastpos(request, fleetname):
 834     fleet = get_object_or_404(Fleet, name=fleetname)
 835     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 836         return HttpResponseForbidden('<h1>Forbidden</h1>')
 837     fleet_uset = load_fleet_to_uset(fleet.id)
 838     value = kml_to_kmz(format_fleet(fleet_uset, document_name=fleetname+' fleet').encode('utf-8'))
 839     response = HttpResponse(value, mimetype="application/vnd.google-earth.kmz")
 840     response['Content-Disposition'] = 'attachment; filename=%s.kmz' % fleetname
 841     return response
 842
 843 @http_authenticate(auth, 'ais')
 844 def fleet_history(request, fleetname):
 845     fleet = get_object_or_404(Fleet, name=fleetname)
 846     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 847         return HttpResponseForbidden('<h1>Forbidden</h1>')
 848     initial = {}
 849     if request.method == 'POST':
 850         form = HistoryForm(request.POST, initial=initial)
 851         if form.is_valid():
 852             command, extension = form.get_cmdext()
 853
 854             command += u' @' + fleetname
 855
 856             job = Job()
 857             job.queue_time = datetime.utcnow()
 858             job.friendly_filename = u'%s.%s' % (fleetname, extension)
 859             job.user = request.user
 860             job.command = command
 861             job.save()
 862             if not jobrunner.wakeup_daemon():
 863                 return HttpResponseServerError(jobrunner.DAEMON_WAKEUP_ERROR)
 864             return HttpResponseRedirect('/job/%s/download' % job.id)
 865     else: # GET
 866         form = HistoryForm(initial=initial)
 867     return render_to_response('fleet_history.html', {'fleet': fleet, 'form':form}, RequestContext(request))
 868
 869
 870 @http_authenticate(auth, 'ais')
 871 def jobs_index(request):
 872     show_archive = request.REQUEST.has_key('archive')
 873     if show_archive:
 874         jobs = request.user.job_set.all()
 875     else:
 876         jobs = request.user.job_set.filter(archive_time__isnull=True)
 877
 878     response = render_to_response('jobs.html', {'jobs': jobs, 'queue_size': Job.queue_size(), 'archive': show_archive }, RequestContext(request))
 879     response['Refresh'] = 15
 880     return response
 881
 882 @http_authenticate(auth, 'ais')
 883 def job_detail(request, jobid):
 884     job = get_object_or_404(Job, id=jobid)
 885     if job.user != request.user:
 886         return HttpResponseForbidden('403 Forbidden')
 887     response = render_to_response('job.html', {'job': job, 'queue_size': Job.queue_size()}, RequestContext(request))
 888     if not job.finish_time:
 889         response['Refresh'] = 5
 890     elif not job.archive_time:
 891         # finished but not archived:
 892         response['Refresh'] = '0;url=https://' + request.get_host() + '/job/%s/download' % job.id
 893         # careful not to modify other unschronized columns
 894         Job.objects.filter(id=jobid).update(archive_time = datetime.utcnow())
 895     return response
 896
 897 @http_authenticate(auth, 'ais')
 898 def job_get(request, jobid):
 899     job = get_object_or_404(Job, id=jobid)
 900     if job.user != request.user:
 901         return HttpResponseForbidden('403 Forbidden')
 902     total_wait = 0
 903     while not job.finish_time:
 904         sleep(1)
 905         total_wait += 1
 906         if total_wait > 15:
 907             request.user.info('Your query is slow. Please be patient.')
 908             # TODO: Do not overwrite job.finishtime / result
 909             if not job.notify:
 910                 # careful not to modify other unschronized columns
 911                 Job.objects.filter(id=jobid).update(notify = 'W') # Web
 912             return HttpResponseRedirect('/job/%s/' % job.id)
 913         job = get_object_or_404(Job, id=jobid)
 914
 915     if not job.archive_time:
 916         # careful not to modify other unschronized columns
 917         Job.objects.filter(id=jobid).update(archive_time = datetime.utcnow())
 918
 919     if job.result:
 920         # Error occured
 921          return HttpResponseRedirect('/job/%s/' % job.id)
 922     extension = os.path.splitext(job.friendly_filename)[-1]
 923     return HttpResponseRedirect('/job_result/%s%s/%s' % (job.id, extension, job.friendly_filename))
 924
 925 @http_authenticate(auth, 'ais')
 926 def users(request):
 927     users = User.objects.order_by('name')
 928     for user in users:
 929         user.admin_ok = user.is_admin_by(request.user.id)
 930     if request.REQUEST.has_key('showtree'):
 931         local_users = {}
 932         for user in users:
 933             user.children = []
 934             local_users[user.id] = user
 935         for user in users:
 936             if user.father_id == None:
 937                 root = user
 938             else:
 939                 local_users[user.father_id].children.append(user)
 940         assert root
 941         return render_to_response('users_tree.html', {'root': root, 'auser': request.user.id}, RequestContext(request))
 942     else:
 943         return render_to_response('users.html', {'users':users}, RequestContext(request))
 944
 945 phone_re = re.compile('^\\+.+')
 946
 947 class UserEditForm(forms.Form):
 948     login = forms.RegexField(regex=r'^[a-zA-Z0-9_]+$', max_length=16,
 949         error_message ='Login must only contain letters, numbers and underscores')
 950     name = forms.CharField(max_length=50)
 951     email = forms.EmailField()
 952     phone = forms.RegexField(regex='\\+.+', max_length=20, required=False,
 953         error_message ='Phones must start with a \'+\'')
 954     def __init__(self, *args, **kargs):
 955         forms.Form.__init__(self, *args, **kargs)
 956         self.old_login = kargs['initial']['login']
 957     def clean_login(self):
 958         new_login = self.cleaned_data['login']
 959         if new_login != self.old_login:
 960             if User.objects.filter(login=new_login).count():
 961                 raise forms.ValidationError("Sorry that login is already in use. Try another one.")
 962             if new_login == u'add':
 963                 raise forms.ValidationError("Sorry that login is reserved. Try another one.")
 964         return new_login
 965
 966 @http_authenticate(auth, 'ais')
 967 def user_detail(request, login):
 968     user = get_object_or_404(User, login=login)
 969     user.admin_ok = user.is_admin_by(request.user.id)
 970     return render_to_response('user_detail.html', {'auser': user}, RequestContext(request))
 971
 972 @http_authenticate(auth, 'ais')
 973 def user_edit(request, login):
 974     initial = {}
 975     if login:
 976         user = get_object_or_404(User, login=login)
 977         if not user.is_admin_by(request.user.id):
 978             return HttpResponseForbidden('403 Forbidden')
 979     else:
 980         user = User()
 981         user.father_id = request.user.id;
 982     initial['login'] = user.login
 983     initial['name'] = user.name
 984     initial['email'] = user.email
 985     initial['phone'] = user.phone
 986     if request.method == 'POST':
 987         form = UserEditForm(request.POST, initial=initial)
 988         if form.is_valid():
 989             user.login = form.cleaned_data['login']
 990             user.name = form.cleaned_data['name']
 991             user.email = form.cleaned_data['email']
 992             user.phone = form.cleaned_data['phone']
 993             user.save()
 994             user.check_sandbox_access(request.user)
 995             return HttpResponseRedirect('/user/')
 996     else: # GET
 997         form = UserEditForm(initial=initial)
 998
 999     return render_to_response('user_edit.html', {'form':form, 'auser': user}, RequestContext(request))
1000
1001
1002 class ChangePasswordForm(forms.Form):
1003     new_password = forms.CharField(max_length=16, widget=forms.PasswordInput())
1004     new_password_check = forms.CharField(max_length=16, widget=forms.PasswordInput())
1005
1006     def clean_generic_password(self, field_name):
1007         password = self.cleaned_data[field_name]
1008         try:
1009             crack.FascistCheck(password)
1010         except ValueError, err:
1011             raise forms.ValidationError(err.message)
1012         return password
1013
1014     def clean_new_password(self):
1015         return self.clean_generic_password('new_password')
1016
1017     def clean_new_password_check(self):
1018         return self.clean_generic_password('new_password_check')
1019
1020     def clean(self):
1021         cleaned_data = self.cleaned_data
1022         pass1 = cleaned_data.get('new_password')
1023         pass2 = cleaned_data.get('new_password_check')
1024         if pass1 != pass2 and pass2:
1025             self._errors['new_password_check'] = forms.util.ErrorList(['Passwords must match'])
1026             del cleaned_data['new_password_check'] # FIXME
1027         return cleaned_data
1028
1029
1030 @http_authenticate(auth, 'ais')
1031 def user_change_password(request, login):
1032     user = get_object_or_404(User, login=login)
1033     if not user.is_admin_by(request.user.id):
1034         return HttpResponseForbidden('403 Forbidden')
1035     if request.method == 'POST':
1036         form = ChangePasswordForm(request.POST)
1037         if form.is_valid():
1038             user.set_password(form.cleaned_data['new_password'])
1039             user.save()
1040             return HttpResponseRedirect('/user/')
1041     else: # GET
1042         form = ChangePasswordForm()
1043     return render_to_response('user_change_password.html', {'form':form, 'auser':user}, RequestContext(request))
1044
1045
1046 @http_authenticate(auth, 'ais')
1047 def user_delete(request, login):
1048     user = get_object_or_404(User, login=login)
1049     if not user.is_admin_by(request.user.id):
1050         return HttpResponseForbidden('403 Forbidden')
1051     if request.REQUEST.get('confirm', None):
1052         user.delete()
1053         return HttpResponseRedirect('/user/')
1054     return render_to_response('user_delete.html', {'form':None, 'auser':user}, RequestContext(request))
1055
1056
1057 def logout(request):
1058     # TODO
1059     return HttpResponse('Not implemented')
1060     #response = render_to_response('logout.html', {}, RequestContext(request))
1061     #return response
1062
1063 periods = ({
1064     'name_tiny': '2h',
1065     'name_long': '2 hours',
1066     'seconds': 2*60*60
1067     }, {
1068     'name_tiny': '6h',
1069     'name_long': '6 hours',
1070     'seconds': 6*60*60,
1071     'default': True,
1072     }, {
1073     'name_tiny': '2d',
1074     'name_long': '2 days',
1075     'seconds': 2*24*60*60
1076     }, {
1077     'name_tiny': '14d',
1078     'name_long': '2 weeks',
1079     'seconds': 14*24*60*60
1080     }, {
1081     'name_tiny': '90d',
1082     'name_long': '3 monthes',
1083     'seconds': 90*24*60*60
1084     }, {
1085     'name_tiny': '180d',
1086     'name_long': '6 monthes',
1087     'seconds': 180*24*60*60
1088     })
1089
1090 class StatsSelectorForm(forms.Form):
1091     peers = forms.ChoiceField(choices=[('', 'All')] + [(id4,source['name']) for id4,source in peers_get_config().iteritems()])
1092     types = forms.ChoiceField(choices=[('', 'All'), ('bytes', 'Bandwidth'), ('counts', "Packet'izer")], initial='counts')
1093     periods = forms.ChoiceField(choices=[(period['name_tiny'], period['name_long']) for period in periods] + [('', 'All')], initial='2d')
1094
1095 @http_authenticate(auth, 'ais')
1096 def sources_index(request):
1097     ACTIVE_MINUTES = 5
1098     peers_config = peers_get_config()
1099     peers_display = []
1100     for id4, peer in peers_config.iteritems():
1101         peer['id4'] = id4
1102         peer['id2'] = id4[2:]
1103         peer['active'] = is_id4_active(id4, 60*ACTIVE_MINUTES)
1104         peers_display.append(peer)
1105
1106     peers_display = sorted(peers_display, key=lambda k: k['id4'])
1107
1108     form = StatsSelectorForm()
1109
1110     response = render_to_response('sources_index.html', {'sources':peers_display, 'active_minutes': ACTIVE_MINUTES, 'form': form}, RequestContext(request))
1111     response['Refresh'] = 60*ACTIVE_MINUTES
1112     return response
1113
1114
1115 @http_authenticate(auth, 'ais')
1116 def sources_stats(request):
1117     filter_peers = request.REQUEST.get('peers', None)
1118     if filter_peers:
1119         filter_peers = filter_peers.split(u',')
1120
1121     peers_config = peers_get_config()
1122     peers_display = []
1123
1124     for id4, peer in peers_config.iteritems():
1125         if filter_peers:
1126             if unicode(id4) not in filter_peers:
1127                 continue
1128         peer['id4'] = id4
1129         peers_display.append(peer)
1130
1131     peers_display = sorted(peers_display, key=lambda k: k['id4'])
1132
1133     filter_types = request.REQUEST.get('types', None)
1134     if filter_types:
1135         filter_types = filter_types.split(u',')
1136     else:
1137         filter_types = [ 'bytes', 'counts' ]
1138     logging.error('filter_types=%s', filter_types)
1139
1140     filter_periods = request.REQUEST.get('periods', None)
1141     if filter_periods:
1142         display_periods = []
1143         for period_name in filter_periods.split(u','):
1144             for period in periods:
1145                 if period['name_tiny'] == period_name:
1146                     display_periods.append(period)
1147     else:
1148         display_periods = periods
1149     #logging.error('display_periods=%s', display_periods)
1150
1151
1152     now = int(get_timestamp())
1153     for config in peers_display:
1154         id4 = config['id4']
1155         for period in periods:
1156             args = os.path.join(STATS_DIR, id4+'-'+period['name_tiny']+'-bytes.png'), \
1157                 '--lazy', \
1158                 '-l', '0', \
1159                 '--title', config['name'] + ' - Bandwidth usage - ' + period['name_long'], \
1160                 '--start', '%d' % (now - period['seconds']), \
1161                 '--end', '%d' % now, \
1162                 '--vertical-label', 'bps', \
1163                 'DEF:bytes=%s:bytes:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1164                 'DEF:rawbytes=%s:rawbytes:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1165                 'CDEF:bits=bytes,8,*', \
1166                 'CDEF:rawbits=rawbytes,8,*', \
1167                 'LINE:bits#00FF00:IP payload', \
1168                 'LINE:rawbits#FF0000:IP with headers'
1169             rrdtool.graph(*args)
1170             args = os.path.join(STATS_DIR, id4+'-'+period['name_tiny']+'-counts.png'), \
1171                 '--lazy', \
1172                 '-l', '0', \
1173                 '--title', config['name'] + ' - Packet\'izer stats - ' + period['name_long'], \
1174                 '--start', '%d' % (now-period['seconds']), \
1175                 '--end', '%d' % now, \
1176                 '--vertical-label', 'Hz', \
1177                 'DEF:packets=%s:packets:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1178                 'DEF:lines=%s:lines:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1179                 'LINE:packets#FF0000:input packets', \
1180                 'LINE:lines#00FF00:AIVDM lines'
1181             rrdtool.graph(*args)
1182     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))
1183
1184
1185 @http_authenticate(auth, 'ais')
1186 def news(request, page):
1187     NEWS_PER_PAGE = 5
1188     if page:
1189         page = int(page)
1190     else:
1191         page = 1
1192     npages = int((News.objects.count() + NEWS_PER_PAGE - 1) // NEWS_PER_PAGE)
1193     news = News.objects.order_by('-created')[(page - 1) * NEWS_PER_PAGE : page * NEWS_PER_PAGE]
1194     return render_to_response('news.html', {'news':news, 'page': page, 'npages': npages}, RequestContext(request))
1195
1196 @http_authenticate(auth, 'ais')
1197 def news_atom(request):
1198     from django.db import connection
1199
1200     news = News.objects.order_by('-created')
1201
1202     cursor = connection.cursor()
1203     cursor.execute("SELECT MAX(updated) FROM news")
1204     row = cursor.fetchone()
1205     last_update = row[0]
1206
1207     return render_to_response('news.atom', {'news':news, 'last_update':last_update}, RequestContext(request), mimetype='application/atom+xml')