* Possibility to export domains and identities (see #116)

* Display Modoboa version nicely (fix #304)

modoboa/admin/models.py

@@ -335,6 +335,11 @@ class User(DUser):
             if ooentry.content_object.is_owner(obj):
                 return True
         return False
+
+    def to_csv(self, csvwriter):
+        csvwriter.writerow(["account", self.username.encode("utf-8"), self.password, 
+                            self.first_name.encode("utf-8"), self.last_name.encode("utf-8"), 
+                            self.email])
     
 class ObjectAccess(models.Model):
     user = models.ForeignKey(User)
@@ -481,6 +486,9 @@ class Domain(DatesAware):
         self.enabled = True
         self.save()
 
+    def to_csv(self, csvwriter):
+        csvwriter.writerow(["domain", self.name, self.quota])
+
 class DomainAlias(DatesAware):
     name = models.CharField(ugettext_lazy("name"), max_length=100, unique=True,
                             help_text=ugettext_lazy("The alias name"))
@@ -768,11 +776,13 @@ class Alias(DatesAware):
 
     @property
     def tags(self):
-        cpt = len(self.mboxes.all())
-        if cpt:
-            label = _("alias") if cpt == 1 else _("distribution list")
-        else:
+        cpt = len(self.get_recipients())
+        if cpt > 1:
+            label = _("distribution list")
+        elif self.extmboxes != "":
             label = _("forward")
+        else:
+            label = _("alias")
         return '<span class="label">%s</span>' % label
 
     def save(self, int_rcpts, ext_rcpts, *args, **kwargs):
@@ -844,6 +854,18 @@ class Alias(DatesAware):
                 raise AdminError(_("Mailbox %s does not exist" % rcpt))
         self.save(int_rcpts, ext_rcpts)        
 
+    def to_csv(self, csvwriter):
+        cpt = len(self.get_recipients())
+        if cpt > 1:
+            altype = "dlist"
+        elif self.extmboxes != "":
+            altype = "forward"
+        else:
+            altype = "alias"
+        row = [altype, self.address]
+        row += self.get_recipients()
+        csvwriter.writerow(row)
+
 class Extension(models.Model):
     name = models.CharField(max_length=150)
     enabled = models.BooleanField(

modoboa/admin/templates/admin/information.html

@@ -1,6 +1,6 @@
 {% load i18n libextras %}
 <h2>{% trans "Information" %} <small>{% trans "Various information about Modoboa" %}</small></h2><hr>
-<p>Modoboa <strong>{% get_version %}</strong> {% trans "is currently in use." %}</p>
+<div class="alert alert-info">Modoboa <strong>{% get_version %}</strong> {% trans "is currently in use." %}</div>
 
 <h3>{% trans "Active users" %}</h3>
 <table class="table">

modoboa/admin/templatetags/admin_extras.py

@@ -83,7 +83,11 @@ def domains_menu(selection, user):
          "img" : "icon-folder-open",
          "url" : reverse(admin.views.import_domains),
          "modal" : True,
-         "modalcb" : "admin.importform_cb"}
+         "modalcb" : "admin.importform_cb"},
+        {"name" : "export",
+         "label" : _("Export"),
+         "img" : "icon-share-alt",
+         "url" : reverse(admin.views.export_domains),}
         ]
 
     return render_to_string('common/menulist.html', {
@@ -124,7 +128,11 @@ def identities_menu(user):
          "img" : "icon-folder-open",
          "url" : reverse(admin.views.import_identities),
          "modal" : True,
-         "modalcb" : "admin.importform_cb"}
+         "modalcb" : "admin.importform_cb"},
+        {"name" : "export",
+         "label" : _("Export"),
+         "img" : "icon-share-alt",
+         "url" : reverse(admin.views.export_identities),}
         ]
 
     return render_to_string('common/menulist.html', {

modoboa/admin/urls.py

@@ -10,6 +10,7 @@ urlpatterns = patterns(
     (r'^domains/(?P<dom_id>\d+)/edit/$', 'editdomain'),
     (r'^domains/delete/$', 'deldomain'),
     (r'^domains/import/$', 'import_domains'),
+    (r'^domains/export/$', 'export_domains'),
     
     (r'^settings/$', 'viewsettings'),
     (r'^settings/parameters/$', 'viewparameters'),
@@ -23,6 +24,7 @@ urlpatterns = patterns(
     (r'^identities/$', 'identities'),
     (r'^identities/list/$', '_identities'),
     (r'^identities/import/$', 'import_identities'),
+    (r'^identities/export/$', 'export_identities'),
 
     (r'^accounts/list/$', 'accounts_list'),
     (r'^accounts/new/$', 'newaccount'),

modoboa/admin/views.py

@@ -7,6 +7,8 @@ from django.contrib.auth.decorators \
 from django.db.models import Q
 from django.shortcuts import render
 from django.db import transaction, IntegrityError
+import cStringIO
+import csv
 
 from lib import render_listing
 from forms import *
@@ -656,6 +658,32 @@ def import_identities(request):
         )
     return render(request, "admin/importform.html", ctx)
 
+def _export(content, filename):
+    """Export a csv file's content
+
+    :param content: the content to export (string)
+    :param filename: the name that will appear into the response
+    :return: an ``HttpResponse`` object
+    """
+    resp = HttpResponse(content)
+    resp["Content-Type"] = "text/csv"
+    resp["Content-Length"] = len(content)
+    resp["Content-Disposition"] = 'attachment; filename="%s"' % filename
+    return resp
+
+@login_required
+@permission_required(lambda u: u.has_perm("auth.add_user") or u.has_perm("auth.add_alias"))
+def export_identities(request):
+    fp = cStringIO.StringIO()
+    csvwriter = csv.writer(fp, delimiter=';')
+    for oa in request.user.get_identities():
+        if oa.content_object:
+            oa.content_object.to_csv(csvwriter)
+    
+    content = fp.getvalue()
+    fp.close()
+    return _export(content, "modoboa-identities.csv")
+
 @login_required
 @permission_required("admin.add_domain")
 @transaction.commit_on_success
@@ -683,3 +711,18 @@ def import_domains(request):
         form=ImportDataForm()
         )
     return render(request, "admin/importform.html", ctx)
+
+@login_required
+@permission_required("admin.add_domain")
+def export_domains(request):
+    import cStringIO
+    import csv
+
+    fp = cStringIO.StringIO()
+    csvwriter = csv.writer(fp, delimiter=';')
+    for dom in request.user.get_domains():
+        dom.to_csv(csvwriter)
+    
+    content = fp.getvalue()
+    fp.close()
+    return _export(content, "modoboa-domains.csv")