Implement ip leases management

abonapp/forms.py

@@ -41,7 +41,7 @@ class AbonForm(forms.ModelForm):
             abon_group_queryset = None
         if abon_group_queryset is not None:
             self.fields['street'].queryset = abon_group_queryset
-        #if instance is not None and instance.is_dynamic_ip:
+        # if instance is not None and instance.is_dynamic_ip:
         #    self.fields['ip_address'].widget.attrs['readonly'] = True
 
     username = forms.CharField(max_length=127, required=False, initial=generate_random_username,
@@ -139,7 +139,7 @@ class ExportUsersForm(forms.Form):
     FIELDS_CHOICES = (
         ('username', _('profile username')),
         ('fio', _('fio')),
-        #('ip_address', _('Ip Address')),
+        # ('ip_address', _('Ip Address')),
         ('description', _('Comment')),
         ('street__name', _('Street')),
         ('house', _('House')),
@@ -160,7 +160,7 @@ class ExportUsersForm(forms.Form):
 class MarkersForm(forms.ModelForm):
     class Meta:
         model = models.Abon
-        fields = ('markers',)
+        fields = 'markers',
 
     def save(self, commit=True):
         instance = super(MarkersForm, self).save(commit=False)

abonapp/models.py

@@ -138,8 +138,6 @@ class Abon(BaseAccount):
             ('can_add_ballance', _('fill account')),
             ('can_ping', _('Can ping'))
         )
-        # TODO: Fix when duplicates already in database
-        # unique_together = ('device', 'dev_port')
         verbose_name = _('Abon')
         verbose_name_plural = _('Abons')
         ordering = ('fio',)
@@ -251,6 +249,15 @@ class Abon(BaseAccount):
     def get_absolute_url(self):
         return resolve_url('abonapp:abon_home', self.group.id, self.username)
 
+    def add_lease(self, ip: str):
+        existed_client_ips = tuple(l.ip for l in self.ip_addresses.all())
+        if ip not in existed_client_ips:
+            lease = IpLeaseModel.objects.create_from_ip(ip=ip)
+            if lease is None:
+                return 'Subnet not found'
+            self.ip_addresses.add(lease)
+            #self.save()
+
 
 class PassportInfo(models.Model):
     series = models.CharField(_('Pasport serial'), max_length=4, validators=(validators.integer_validator,))

abonapp/templates/abonapp/editAbon.html

@@ -220,10 +220,20 @@
                     {% endfor %}
                 </ul>
                 <div class="panel-footer">
-                    <a href="#" class="btn btn-success btn-sm" {{ abon.is_dynamic_ip|yesno:'disabled,' }}>
-                        <span class="glyphicon glyphicon-plus"></span>
-                        <span class="hidden-xs">{% trans 'Add' %}</span>
-                    </a>
+                    <div class="btn-group btn-group-sm">
+                        {% if abon.is_dynamic_ip %}
+                            <a href="#" class="btn btn-success" disabled>
+                        {% else %}
+                            <a href="{% url 'abonapp:lease_add' group.pk abon.username %}" class="btn btn-success btn-modal">
+                        {% endif %}
+                            <span class="glyphicon glyphicon-plus"></span>
+                            <span class="hidden-xs">{% trans 'Add' %}</span>
+                        </a>
+                        <a href="{% url 'abonapp:active_nets' group.pk %}" class="btn btn-default btn-modal">
+                            <span class="glyphicon glyphicon-globe"></span>
+                            <span class="hidden-sm hidden-xs">{% trans 'Active networks' %}</span>
+                        </a>
+                   </div>
                 </div>
             </div>
 

abonapp/templates/abonapp/modal_add_lease.html

@@ -0,0 +1,25 @@
+{% extends request.is_ajax|yesno:'nullcont.htm,abonapp/ext.htm' %}
+{% load i18n %}
+{% load bootstrap3 %}
+{% block content %}
+<form role="form" action="{% url 'abonapp:lease_add' group.id uname %}" method="post"> {% csrf_token %}
+    <div class="modal-header primary">
+        <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
+        <h4 class="modal-title"><span class="glyphicon glyphicon-compressed"></span>{% trans 'Add ip lease' %}</h4>
+    </div>
+
+    <div class="modal-body">
+        {% bootstrap_form form %}
+
+        <div class="btn-group">
+            <button type="submit" class="btn btn-success">
+                <span class="glyphicon glyphicon-plus"></span> {% trans 'Add' %}
+            </button>
+            <button type="reset" class="btn btn-default">
+                <span class="glyphicon glyphicon-remove-circle"></span> {% trans 'Reset' %}
+            </button>
+        </div>
+    </div>
+
+</form>
+{% endblock %}

abonapp/templates/abonapp/modal_current_networks.html

@@ -0,0 +1,26 @@
+{% load i18n %}
+<div class="modal-header primary">
+    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
+    <h4 class="modal-title"><span class="glyphicon glyphicon-globe"></span>{% trans 'Available networks' %}</h4>
+</div>
+
+<table class="table table-striped table-bordered">
+    <thead>
+    <tr>
+        <th>{% trans 'Network' %}</th>
+        <th>{% trans 'Scope' %}</th>
+    </tr>
+    </thead>
+    <tbody>
+    {% for net_item in networks %}
+        <tr>
+            <td><a href="#" class="btn btn-link">{{ net_item }}</a></td>
+            <td>{{ net_item.get_scope }}</td>
+        </tr>
+    {% empty %}
+        <tr>
+            <td colspan="2">{% trans 'Available networks not found' %}</td>
+        </tr>
+    {% endfor %}
+    </tbody>
+</table>

abonapp/urls.py

@@ -30,7 +30,8 @@ subscriber_patterns = [
     url(r'^session/(?P<lease_id>\d+)/start$', views.user_session_toggle, {'action': 'start'}, name='user_session_start'),
     url(r'^periodic_pay$', views.add_edit_periodic_pay, name='add_periodic_pay'),
     url(r'^periodic_pay(?P<periodic_pay_id>\d+)/$', views.add_edit_periodic_pay, name='add_periodic_pay'),
-    url(r'^periodic_pay(?P<periodic_pay_id>\d+)/del/$', views.del_periodic_pay, name='del_periodic_pay')
+    url(r'^periodic_pay(?P<periodic_pay_id>\d+)/del/$', views.del_periodic_pay, name='del_periodic_pay'),
+    url(r'^lease/add/$', views.lease_add, name='lease_add')
 ]
 
 group_patterns = [
@@ -42,6 +43,7 @@ group_patterns = [
     url(r'^street/add$', views.street_add, name='street_add'),
     url(r'^street/edit', views.street_edit, name='street_edit'),
     url(r'^street/(?P<sid>\d+)/delete$', views.street_del, name='street_del'),
+    url(r'^active_networks/$', views.active_nets, name='active_nets'),
     url(r'^(?P<uname>\w{1,127})/', include(subscriber_patterns))
 ]
 

abonapp/views.py

@@ -1,4 +1,5 @@
 from typing import Dict, Optional
+from datetime import datetime, date, timedelta
 from django.contrib.gis.shortcuts import render_to_text
 from django.core.exceptions import PermissionDenied, ValidationError
 from django.db import IntegrityError, ProgrammingError, transaction
@@ -22,11 +23,12 @@ from agent import NasFailedResult, Transmitter, NasNetworkError
 from . import forms
 from . import models
 from devapp.models import Device, Port as DevPort
-from datetime import datetime, date, timedelta
 from taskapp.models import Task
 from dialing_app.models import AsteriskCDR
 from statistics.models import getModel
 from group_app.models import Group
+from ip_pool.models import IpLeaseModel, NetworkModel
+from ip_pool.forms import LeaseForm
 from guardian.shortcuts import get_objects_for_user, assign_perm
 from guardian.decorators import permission_required_or_403 as permission_required
 from djing import ping
@@ -545,7 +547,7 @@ def chgroup_tariff(request, gid):
     if request.method == 'POST':
         tr = request.POST.getlist('tr')
         grp.tariff_set.clear()
-        grp.tariff_set.add(*(int(d) for d in tr))
+        grp.tariff_set.add(*tr)
         grp.save()
         messages.success(request, _('Successfully saved'))
         return redirect('abonapp:ch_group_tariff', gid)
@@ -836,6 +838,15 @@ def street_del(request, gid, sid):
     return redirect('abonapp:people_list', gid)
 
 
+@login_required
+@permission_required('group_app.can_view_group', (Group, 'pk', 'gid'))
+def active_nets(request, gid):
+    nets = NetworkModel.objects.filter(groups__id=gid)
+    return render(request, 'abonapp/modal_current_networks.html', {
+        'networks': nets
+    })
+
+
 @login_required
 @permission_required('abonapp.can_view_additionaltelephones')
 @permission_required('group_app.can_view_group', (Group, 'pk', 'gid'))
@@ -1071,6 +1082,44 @@ def user_session_toggle(request, gid, uname, lease_id, action=None):
     return redirect('abonapp:abon_home', gid, uname)
 
 
+@login_required
+@lib.decorators.only_admins
+@permission_required('change_abon')
+def lease_add(request, gid, uname):
+    group = get_object_or_404(Group, pk=gid)
+    if request.method == 'POST':
+        frm = LeaseForm(request.POST)
+        if frm.is_valid():
+            try:
+                abon = get_object_or_404(models.Abon, username=uname)
+                cleaned = frm.clean()
+                ip = cleaned.get('ip_addr')
+                is_dynamic = cleaned.get('is_dynamic')
+                network_id = cleaned.get('possible_networks')  # str(int)
+                network = get_object_or_404(NetworkModel, pk=network_id)
+                lease = IpLeaseModel.objects.create_from_ip(ip, net=network, is_dynamic=is_dynamic)
+                abon.ip_addresses.add(lease)
+                messages.success(request, _('Ip lease has been created'))
+                return redirect('abonapp:abon_home', gid, uname)
+            except lib.DuplicateEntry as e:
+                messages.error(request, e)
+        else:
+            messages.error(request, _('Check form errors'))
+    else:
+        first_network = NetworkModel.objects.filter(groups=group).first()
+        if first_network is not None:
+            free_ip = IpLeaseModel.objects.get_free_ip(first_network)
+            initial = {'ip_addr': free_ip}
+        else:
+            initial = None
+        frm = LeaseForm(initial=initial)
+    return render(request, 'abonapp/modal_add_lease.html', {
+        'form': frm,
+        'group': group,
+        'uname': uname
+    })
+
+
 # API's
 @login_required
 @lib.decorators.only_admins

agent/commands/dhcp.py

@@ -18,19 +18,14 @@ def dhcp_commit(client_ip: str, client_mac: str, switch_mac: str, switch_port: i
             abon = Abon.objects.get(device=dev)
         if not abon.is_dynamic_ip:
             return 'User settings is not dynamic'
-        existed_client_ips = tuple(l.ip for l in abon.ip_addresses.all())
-        if client_ip not in existed_client_ips:
-            lease = IpLeaseModel.objects.create_from_ip(
-                ip=client_ip,
-            )
-            if lease is None:
-                return 'Subnet not found'
-            abon.ip_addresses.add(lease)
-            abon.save()
+        add_lease_result = abon.add_lease(client_ip)
+        if add_lease_result is None:
             if abon.is_access():
                 abon.sync_with_nas(created=False)
             else:
-                print('D:', 'User %s is not access to service' % abon.username)
+                return 'User %s is not access to service' % abon.username
+        else:
+            return add_lease_result
     except Abon.DoesNotExist:
         return "User with device with mac '%s' does not exist" % switch_mac
     except Device.DoesNotExist:

devapp/forms.py

@@ -3,6 +3,7 @@ from django.core.exceptions import ValidationError
 from django.utils.translation import gettext_lazy as _
 from django.db import IntegrityError
 
+from djing.lib import DuplicateEntry
 from djing.lib.tln.tln import ValidationError as TlnValidationError
 from . import models
 from djing import MAC_ADDR_REGEX, IP_ADDR_REGEX
@@ -82,6 +83,6 @@ class PortForm(forms.ModelForm):
             super(PortForm, self).save(commit)
         except IntegrityError as e:
             if "Duplicate entry" in str(e):
-                raise models.DeviceDBException(_('Port number on device must be unique'))
+                raise DuplicateEntry(_('Port number on device must be unique'))
             else:
                 raise models.DeviceDBException(e)

devapp/views.py

@@ -14,7 +14,7 @@ from django.views.generic import DetailView, DeleteView, UpdateView, CreateView
 
 from devapp.base_intr import DeviceImplementationError
 from djing.lib.decorators import only_admins, hash_auth_view
-from djing.lib import safe_int, ProcessLocked
+from djing.lib import safe_int, ProcessLocked, DuplicateEntry
 from abonapp.models import Abon
 from djing.lib.tln import ZteOltConsoleError, OnuZteRegisterError, ZteOltLoginFailed
 from group_app.models import Group
@@ -386,7 +386,7 @@ def edit_single_port(request, group_id, device_id, port_id):
         }, request=request)
     except Port.DoesNotExist:
         messages.error(request, _('Port does not exist'))
-    except DeviceDBException as e:
+    except (DeviceDBException, DuplicateEntry) as e:
         messages.error(request, e)
     return redirect('devapp:manage_ports', group_id, device_id)
 
@@ -416,7 +416,7 @@ def add_single_port(request, group_id, device_id):
         }, request=request)
     except Device.DoesNotExist:
         messages.error(request, _('Device does not exist'))
-    except DeviceDBException as e:
+    except (DeviceDBException, DuplicateEntry) as e:
         messages.error(request, e)
     return redirect('devapp:manage_ports', group_id, device_id)
 

djing/lib/__init__.py

@@ -142,3 +142,9 @@ def process_lock(fn):
             if s is not None:
                 s.close()
     return wrapped
+
+#
+# Raises when IntegrityError in db
+#
+class DuplicateEntry(Exception):
+    pass

ip_pool/fields.py

@@ -56,7 +56,7 @@ class GenericIpAddressWithPrefix(models.GenericIPAddressField):
         value = value.strip()
         if ':' in value:
             ip = ip_network(value)
-            return ip.compressed
+            return ip.with_prefixlen
         return value
 
     def get_db_prep_value(self, value, connection, prepared=False):

ip_pool/forms.py

@@ -1,7 +1,8 @@
-from ipaddress import ip_network
+from ipaddress import ip_network, ip_address
 
 from django import forms
 from django.core.exceptions import ValidationError
+from django.utils.translation import ugettext as _
 
 from ip_pool import models
 
@@ -21,3 +22,32 @@ class NetworkForm(forms.ModelForm):
     class Meta:
         model = models.NetworkModel
         fields = '__all__'
+
+
+class LeaseForm(forms.Form):
+    def __init__(self, data=None, *args, **kwargs):
+        super(LeaseForm, self).__init__(data=data, *args, **kwargs)
+        nets = models.NetworkModel.objects.defer('groups')
+        if nets.exists():
+            self.fields['possible_networks'].choices = ((net.pk, str(net.get_network())) for net in nets.iterator())
+
+    def clean_ip_addr(self):
+        ip_addr = self.data.get('ip_addr')
+        if ip_addr is None:
+            return
+        ip_addr = ip_address(ip_addr)
+        net_id = self.data.get('possible_networks')
+        if net_id is None:
+            return ip_addr.compressed
+        net = models.NetworkModel.objects.get(pk=net_id)
+        if ip_addr not in net.get_network():
+            raise ValidationError(_('Ip that you typed is not in subnet that you have selected'))
+        if ip_addr < ip_address(net.ip_start):
+            raise ValidationError(_('Ip that you have passed is less than allowed network range'))
+        if ip_addr > ip_address(net.ip_end):
+            raise ValidationError(_('Ip that you have passed is greater than allowed network range'))
+        return ip_addr.compressed
+
+    ip_addr = forms.GenericIPAddressField(label=_('Ip address'))
+    is_dynamic = forms.BooleanField(label=_('Is dynamic'), required=False)
+    possible_networks = forms.ChoiceField(label=_('Possible networks'))

ip_pool/models.py

@@ -1,15 +1,18 @@
 from datetime import timedelta
 from ipaddress import ip_network, ip_address
+from typing import AnyStr
 
 from django.conf import settings
+from django.db.utils import IntegrityError
 from django.shortcuts import resolve_url
 from django.core.exceptions import ValidationError, ImproperlyConfigured
 from django.db import models
 from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
 
-#from djing.fields import MACAddressField
+from djing.lib import DuplicateEntry
 from ip_pool.fields import GenericIpAddressWithPrefix
+from group_app.models import Group
 
 
 class NetworkModel(models.Model):
@@ -29,11 +32,19 @@ class NetworkModel(models.Model):
     )
     kind = models.CharField(_('Kind of network'), max_length=6, choices=NETWORK_KINDS, default='guest')
     description = models.CharField(_('Description'), max_length=64)
+    groups = models.ManyToManyField(Group, verbose_name=_('Groups'))
+
+    # Usable ip range
+    ip_start = models.GenericIPAddressField(_('Start work ip range'))
+    ip_end = models.GenericIPAddressField(_('End work ip range'))
 
     def __str__(self):
-        return "%s: %s" % (self.description, self.network)
+        netw = self.get_network()
+        return "%s: %s" % (self.description, netw.with_prefixlen)
 
     def get_network(self):
+        if self.network is None:
+            return
         if self._netw_cache is None:
             self._netw_cache = ip_network(self.network)
         return self._netw_cache
@@ -41,35 +52,104 @@ class NetworkModel(models.Model):
     def get_absolute_url(self):
         return resolve_url('ip_pool:net_edit', self.pk)
 
+    def clean(self):
+        errs = {}
+        if self.network is None:
+            errs['network'] = ValidationError(_('Network is invalid'), code='invalid')
+            raise ValidationError(errs)
+        net = self.get_network()
+        if self.ip_start is None:
+            errs['ip_start'] = ValidationError(_('Ip start is invalid'), code='invalid')
+            raise ValidationError(errs)
+        start_ip = ip_address(self.ip_start)
+        if start_ip not in net:
+            errs['ip_start'] = ValidationError(_('Start ip must be in subnet of specified network'), code='invalid')
+        if self.ip_end is None:
+            errs['ip_end'] = ValidationError(_('Ip end is invalid'), code='invalid')
+            raise ValidationError(errs)
+        end_ip = ip_address(self.ip_end)
+        if end_ip not in net:
+            errs['ip_end'] = ValidationError(_('End ip must be in subnet of specified network'), code='invalid')
+        if errs:
+            raise ValidationError(errs)
+
+        other_nets = NetworkModel.objects.exclude(pk=self.pk).only('network').order_by('network')
+        if not other_nets.exists():
+            return
+        for onet in other_nets.iterator():
+            onet_netw = onet.get_network()
+            if net.overlaps(onet_netw):
+                errs['network'] = ValidationError(_('Network is overlaps with %(other_network)s'), params={
+                    'other_network': str(onet_netw)
+                })
+                raise ValidationError(errs)
+
+    def get_scope(self) -> AnyStr:
+        net = self.get_network()
+        if net.is_global:
+            return _('Global')
+        elif net.is_link_local:
+            return _('Link local')
+        elif net.is_loopback:
+            return _('Loopback')
+        elif net.is_multicast:
+            return _('Multicast')
+        elif net.is_private:
+            return _('Private')
+        elif net.is_reserved:
+            return _('Reserved')
+        elif net.is_site_local:
+            return _('Site local')
+        elif net.is_unspecified:
+            return _('Unspecified')
+        return "I don't know"
+
     class Meta:
         db_table = 'ip_pool_network'
         verbose_name = _('Network')
         verbose_name_plural = _('Networks')
-        ordering = ('description',)
+        ordering = ('network',)
 
 
 class IpLeaseManager(models.Manager):
 
     def get_free_ip(self, network: NetworkModel):
-        netw = ip_network(network)
-        employed_ip_queryset = self.filter(network=network)
-        free_ip = next(ip_address(net) for ip, net in zip(
-            employed_ip_queryset, netw
-        ) if ip != net)
-        return free_ip
-
-    def create_from_ip(self, ip: str, cidr_subnet: int):
-        # FIXME: get subnet
-        raise NotImplementedError
-        net = ip_network((ip, cidr_subnet), strict=False)
-        netw_instance = NetworkModel.objects.filter(network=str(net)).first()
-        if netw_instance is not None:
+        netw = network.get_network()
+        work_range_start_ip = ip_address(network.ip_start)
+        work_range_end_ip = ip_address(network.ip_end)
+        employed_ip_queryset = self.filter(network=network, is_dynamic=False).order_by('ip').only('ip')
+
+        if employed_ip_queryset.exists():
+            used_ip_gen = employed_ip_queryset.iterator()
+            for net_ip in netw.hosts():
+                if net_ip < work_range_start_ip:
+                    continue
+                elif net_ip > work_range_end_ip:
+                    break
+                used_ip = next(used_ip_gen, None)
+                if used_ip is None:
+                    return net_ip
+                ip = ip_address(used_ip.ip)
+                if net_ip < ip:
+                    return net_ip
+        else:
+            for net in netw.hosts():
+                if work_range_start_ip <= net <= work_range_end_ip:
+                    return net
+
+    def create_from_ip(self, ip: str, net: NetworkModel, is_dynamic=True):
+        # ip = ip_address(ip)
+        try:
             return self.create(
                 ip=ip,
-                network=netw_instance,
-                is_dynamic=True,
+                network=net,
+                is_dynamic=is_dynamic,
                 is_active=True
             )
+        except IntegrityError as e:
+            if 'Duplicate entry' in str(e):
+                raise DuplicateEntry(_('Ip has already taken'))
+            raise e
 
     def expired(self):
         lease_live_time = getattr(settings, 'LEASE_LIVE_TIME')
@@ -104,9 +184,8 @@ class IpLeaseModel(models.Model):
     def clean(self):
         ip = ip_address(self.ip)
         network = self.network.get_network()
-
         if ip not in network:
-            raise ValidationError(_('Ip address %(ip)s not in %(net)s network') % {
+            raise ValidationError(_('Ip address %(ip)s not in %(net)s network'), params={
                 'ip': ip,
                 'net': network
             }, code='invalid')

ip_pool/templates/ip_pool/ip_leases_list.html

@@ -28,7 +28,7 @@
             <tr>
                 <td>{{ ip.ip }}</td>
                 <td>{{ ip.lease_time|date:'j:n H:i:s' }}</td>
-                <td>{{ ip.network }}</td>
+                <td>{{ ip.get_network }}</td>
                 <td><input type="checkbox" {{ ip.is_dynamic|yesno:'checked,' }}></td>
             </tr>
         {% empty %}

ip_pool/templates/ip_pool/net_edit.html

@@ -31,6 +31,10 @@
                 <button class="btn btn-primary">
                     <span class="glyphicon glyphicon-save"></span> {% trans 'Save' %}
                 </button>
+                <a href="{% url 'ip_pool:net_delete' object.pk %}" class="btn btn-danger btn-modal">
+                    <span class="glyphicon glyphicon-remove"></span>
+                    <span class="hidden-sm hidden-xs">{% trans 'Remove' %}</span>
+                </a>
                 <a href="{% back_url request %}" class="btn btn-default">
                     <span class="glyphicon glyphicon-backward"></span> {% trans 'Back' %}
                 </a>
@@ -38,6 +42,10 @@
                     <span class="glyphicon glyphicon-eye-open"></span>
                     <span class="hidden-xs hidden-sm">{% trans 'View employed' %}</span>
                 </a>
+                <a href="{% url 'ip_pool:net_groups' object.pk %}" class="btn btn-default">
+                    <span class="glyphicon glyphicon-user"></span>
+                    <span class="hidden-xs hidden-sm">{% trans 'Groups available' %}</span>
+                </a>
             </div>
         </div>
     </div>

ip_pool/templates/ip_pool/network_groups_available.html

@@ -0,0 +1,33 @@
+{% extends request.is_ajax|yesno:'bajax.html,base.html' %}
+{% load i18n %}
+
+{% block breadcrumb %}
+    <ol class="breadcrumb">
+        <li><span class="glyphicon glyphicon-home"></span></li>
+        <li><a href="{% url 'ip_pool:networks' %}">{% trans 'Ip pool' %}</a></li>
+        <li><a href="{% url 'ip_pool:net_edit' object.id %}">{{ object }}</a></li>
+        <li class="active">{% trans 'Belonging networks for groups' %}</li>
+    </ol>
+{% endblock %}
+
+{% block page-header %}
+    <h3>{% trans 'Make that pool available in specified groups' %}</h3>
+{% endblock %}
+
+{% block main %}
+    <form action="{% url 'ip_pool:net_groups' object.pk %}" method="post">{% csrf_token %}
+        {% for group in groups %}
+            <div class="checkbox">
+                <label>
+                    {% if group.pk in selected_grps %}
+                        <input name="gr" type="checkbox" value="{{ group.pk }}" checked/>
+                    {% else %}
+                        <input name="gr" type="checkbox" value="{{ group.pk }}"/>
+                    {% endif %}
+                    {{ group }}
+                </label>
+            </div>
+        {% endfor %}
+        <input type="submit" class="btn btn-primary" value="{% trans 'Save' %}">
+    </form>
+{% endblock %}

ip_pool/templates/ip_pool/network_list.html

@@ -19,17 +19,19 @@
         <tr>
             <th class="col-sm-3">{% trans 'Network' %}</th>
             <th class="col-sm-3">{% trans 'Kind' %}</th>
-            <th class="col-sm-5">{% trans 'Description' %}</th>
+            <th class="col-sm-4">{% trans 'Description' %}</th>
+            <th class="col-sm-2">{% trans 'Scope' %}</th>
             <th class="col-sm-1"></th>
         </tr>
         </thead>
         <tbody>
-        {% with can_ch_net=perms.ip_pool.change_networkmodel %}
+        {% with can_ch_net=perms.ip_pool.change_networkmodel can_del_net=perms.ip_poo.delete_networkmodel %}
         {% for netw in networks_list %}
             <tr>
-                <td><a href="{% url 'ip_pool:ip_leases_list' netw.id %}">{{ netw }}</a></td>
+                <td><a href="{% url 'ip_pool:ip_leases_list' netw.id %}">{{ netw.get_network }}</a></td>
                 <td>{{ netw.get_kind_display }}</td>
                 <td>{{ netw.description }}</td>
+                <td>{{ netw.get_scope }}</td>
                 <td class="btn-group btn-group-sm btn-group-justified">
                     {% if can_ch_net %}
                         <a href="{% url 'ip_pool:net_edit' netw.pk %}" class="btn btn-primary">
@@ -42,6 +44,17 @@
                             <span class="hidden-xs hidden-sm">{% trans 'Edit' %}</span>
                         </a>
                     {% endif %}
+                    {% if can_del_net %}
+                        <a href="{% url 'ip_pool:net_delete' netw.pk %}" class="btn btn-danger btn-modal">
+                            <span class="glyphicon glyphicon-remove"></span>
+                            <span class="hidden-xs hidden-sm">{% trans 'Remove' %}</span>
+                        </a>
+                    {% else %}
+                        <a href="#" class="btn btn-danger" disabled>
+                            <span class="glyphicon glyphicon-remove"></span>
+                            <span class="hidden-xs hidden-sm">{% trans 'Permission denied' %}</span>
+                        </a>
+                    {% endif %}
                     <a href="{% url 'ip_pool:ip_leases_list' netw.pk %}" class="btn btn-default">
                         <span class="glyphicon glyphicon-eye-open"></span>
                         <span class="hidden-xs hidden-sm">{% trans 'View employed' %}</span>
@@ -50,14 +63,14 @@
             </tr>
         {% empty %}
             <tr>
-            <td colspan="4">{% trans 'You have not any networks available' %}</td>
+            <td colspan="5">{% trans 'You have not any networks available' %}</td>
             </tr>
         {% endfor %}
         {% endwith %}
         </tbody>
         <tfoot>
         <tr>
-            <td colspan="4">
+            <td colspan="5">
                 <a href="{% url 'ip_pool:net_add' %}" class="btn btn-success">
                     <span class="glyphicon glyphicon-plus"></span>
                     {% trans 'Add' %}

ip_pool/templates/ip_pool/networkmodel_confirm_delete.html

@@ -0,0 +1,19 @@
+{% extends 'base_delete_modal.html' %}
+{% load i18n %}
+
+{% block modal_form_url %}
+    {% url 'ip_pool:net_delete' object.pk %}
+{% endblock %}
+
+{% block modal_form_title %}
+    {% trans 'Remove network' %}
+{% endblock %}
+
+{% block modal_form_text %}
+    <h4>{% blocktrans trimmed with network_name=object %}
+        To delete network '{{ network_name }}'?
+    {% endblocktrans %}</h4>
+    <p>{% blocktrans trimmed %}
+        Attention! All leases in that network will be removed and services finished.
+    {% endblocktrans %}</p>
+{% endblock %}

ip_pool/urls.py

@@ -8,7 +8,9 @@ urlpatterns = [
     url('^$', views.NetworksListView.as_view(), name='networks'),
     url('^network_add/$', views.NetworkCreateView.as_view(), name='net_add'),
     url('^(?P<net_id>\d{1,6})/$', views.IpLeasesListView.as_view(), name='ip_leases_list'),
-    url('^(?P<net_id>\d{1,6})/edit$', views.NetworkUpdateView.as_view(), name='net_edit'),
+    url('^(?P<net_id>\d{1,6})/edit/$', views.NetworkUpdateView.as_view(), name='net_edit'),
+    url('^(?P<net_id>\d{1,6})/del/$', views.NetworkDeleteView.as_view(), name='net_delete'),
+    url('^(?P<net_id>\d{1,6})/group_attach/$', views.network_in_groups, name='net_groups')
 ]
 
 for dev_kind_code, _ in models.NetworkModel.NETWORK_KINDS:

ip_pool/views.py

@@ -1,13 +1,15 @@
 from django.contrib.auth.decorators import login_required
 from django.contrib import messages
-from django.shortcuts import get_object_or_404
+from django.shortcuts import get_object_or_404, redirect, render
+from django.urls import reverse_lazy
 from django.utils.decorators import method_decorator
 from django.utils.translation import gettext_lazy as _
-from django.views.generic import UpdateView, CreateView
+from django.views.generic import UpdateView, CreateView, DeleteView
 
 from guardian.decorators import permission_required_or_403 as permission_required
 from djing.global_base_views import OrderedFilteredList
 from ip_pool import models, forms
+from group_app.models import Group
 
 
 @method_decorator(login_required, name='dispatch')
@@ -38,6 +40,18 @@ class NetworkUpdateView(UpdateView):
         return r
 
 
+@method_decorator(login_required, name='dispatch')
+@method_decorator(permission_required('ip_pool.delete_networkmodel'), name='dispatch')
+class NetworkDeleteView(DeleteView):
+    model = models.NetworkModel
+    pk_url_kwarg = 'net_id'
+    success_url = reverse_lazy('ip_pool:networks')
+
+    def delete(self, request, *args, **kwargs):
+        messages.success(request, _('Network has been deleted'))
+        return super(NetworkDeleteView, self).delete(request, *args, **kwargs)
+
+
 @method_decorator(login_required, name='dispatch')
 class IpLeasesListView(OrderedFilteredList):
     template_name = 'ip_pool/ip_leases_list.html'
@@ -65,3 +79,22 @@ class NetworkCreateView(CreateView):
         r = super().form_valid(form)
         messages.success(self.request, _('Network has been created'))
         return r
+
+
+@login_required
+def network_in_groups(request, net_id):
+    network = get_object_or_404(models.NetworkModel, pk=net_id)
+    if request.method == 'POST':
+        gr = request.POST.getlist('gr')
+        network.groups.clear()
+        network.groups.add(*gr)
+        network.save()
+        messages.success(request, _('Successfully saved'))
+        return redirect('ip_pool:net_groups', net_id)
+
+    selected_grps = tuple(pk[0] for pk in network.groups.only('pk').values_list('pk'))
+    return render(request, 'ip_pool/network_groups_available.html', {
+        'object': network,
+        'selected_grps': selected_grps,
+        'groups': Group.objects.all().iterator()
+    })