subscription to announces by email

extra/modules/announces.py

@@ -1,5 +1,14 @@
 from wcs.storage import StorableObject
 
+class AnnounceSubscription(StorableObject):
+    _names = 'announce-subscriptions'
+
+    user_id = None
+    email = None
+    sms = None
+    enabled = True
+
+
 class Announce(StorableObject):
     _names = 'announces'
 

extra/modules/root.ptl

@@ -11,21 +11,32 @@ from wcs import errors
 from wcs.form import *
 from wcs.roles import logged_users_role
 
+from wcs import emails
 from wcs.categories import Category
 from wcs.formdef import FormDef
+from wcs.tokens import Token
+from wcs.admin.settings import EmailsDirectory
 
 from links import Link
-from announces import Announce
+from announces import Announce, AnnounceSubscription
 
 OldRootDirectory = wcs.root.RootDirectory
 
 class AnnouncesDirectory(Directory):
-    _q_exports = ['', 'subscribe', 'email', 'atom']
+    _q_exports = ['', 'subscribe', 'email', 'atom', 'sms', 'emailconfirm']
+
+    def _q_traverse(self, path):
+        get_response().breadcrumb.append(('announces/', _('Announces')))
+        return Directory._q_traverse(self, path)
 
     def _q_index (self):
         raise NotImplementedError
 
+    def sms(self):
+        raise NotImplementedError
+
     def subscribe [html] (self):
+        get_response().breadcrumb.append(('subscribe', _('Subscription')))
         template.html_top(_('Receiving Announces'))
 
         '<p>'
@@ -38,11 +49,12 @@ class AnnouncesDirectory(Directory):
         '</ul>'
 
         '<p>'
-        _('There is also a feed available:')
+        _('There is also a feed available: ')
         '<a class="feed-link" href="atom">%s</a>' % _('Announces Feed')
         '</p>'
 
     def email [html] (self):
+        get_response().breadcrumb.append(('email', _('Email Subscription')))
         template.html_top(_('Receiving Announces by email'))
 
         form = Form(enctype='multipart/form-data')
@@ -52,7 +64,7 @@ class AnnouncesDirectory(Directory):
                     get_request().user.email
                 form.add_submit('submit', _('Subscribe'))
             else:
-                _("You are logged in but you didn't enter any email address.")
+                _("You are logged in but there is no email address in your profile.")
                 form.add(EmailWidget, 'email', title = _('Email'), required = True)
                 form.add_submit('submit', _('Subscribe'))
                 form.add_submit('submit-remember', _('Subscribe and add this email to my profile'))
@@ -69,10 +81,121 @@ class AnnouncesDirectory(Directory):
             return redirect('subscribe')
 
         if form.is_submitted() and not form.has_errors():
-            raise NotImplementedError
+            s = self.email_submit(form)
+            if s is not False:
+                return s
         else:
             form.render()
 
+    def email_submit(self, form):
+        sub = AnnounceSubscription()
+
+        if get_request().user:
+            sub.user_id = get_request().user.id
+
+        if form.get_widget('email'):
+            sub.email = form.get_widget('email').parse()
+
+        if not get_request().user:
+            sub.enabled = False
+
+        sub.store()
+
+        if get_request().user:
+            def email_submit_ok [html] ():
+                '<p>'
+                _('You have been subscribed to the announces.')
+                '</p>'
+                '<a href="/">%s</a>' % _('Back Home')
+
+            return email_submit_ok()
+
+        # asking email confirmation before subscribing someone
+        token = Token(3 * 86400)
+        token.type = 'announces-subscription-confirmation'
+        token.subscription_id = sub.id
+        token.store()
+        mail_body = _("""\
+You have (or someone impersonating you has) requested to subscribe to
+announces from [website].  To confirm this request, visit the
+following link:
+
+[confirm_url]
+
+If you are not the person who made this request, or you wish to cancel
+this request, visit the following link:
+
+[cancel_url]
+
+If you do nothing, the request will lapse after 3 days (precisely on
+[time]).
+""")
+        misc_cfg = misc.cfg.get('misc', {})
+        data = {
+            'confirm_url': get_request().get_url() + 'confirm?t=%s&a=cfm' % token.id,
+            'cancel_url': get_request().get_url() + 'confirm?t=%s&a=cxl' % token.id,
+            'time': misc.localstrftime(time.localtime(token.expiration)),
+            'website': misc_cfg.get('sitename'),
+        }
+
+        emails.custom_ezt_email('announces-subscription-confirmation',
+            _('Announce Subscription Request'),
+            mail_body, data,
+            sub.email,
+            exclude_current_user = False)
+
+        def email_submit_ok [html] ():
+            '<p>'
+            _('You have been sent an email for confirmation')
+            '</p>'
+            '<a href="/">%s</a>' % _('Back Home')
+
+        return email_submit_ok()
+
+    def emailconfirm(self):
+        tokenv = get_request().form.get('t')
+        action = get_request().form.get('a')
+
+        try:
+            token = Token.get(tokenv)
+        except KeyError:
+            return template.error_page(
+                    _('The token you submitted does not exist, has expired, or has been cancelled.'),
+                    continue_to = ('/', _('home page')))
+
+        if token.type != 'announces-subscription-confirmation':
+            return template.error_page(
+                    _('The token you submitted is not appropriate for the requested task.'),
+                    continue_to = ('/', _('home page')))
+
+        sub = AnnounceSubscription.get(token.subscription_id)
+
+        if action == 'cxl':
+            def cancel [html]():
+                template.html_top('Email Subscription')
+                '<h1>%s</h1>' % _('Request Cancelled')
+                '<p>%s</p>' % _('The request for subscription has been cancelled.')
+                '<p>'
+                htmltext(_('Continue to <a href="/">home page</a>'))
+                '</p>'
+            token.remove_self()
+            sub.remove_self()
+            return cancel()
+
+        if action == 'cfm':
+            #token.remove_self()
+            sub.enabled = True
+            sub.store()
+            def sub [html] ():
+                template.html_top('Email Subscription')
+                '<h1>%s</h1>' % _('Subscription Confirmation')
+                '<p>%s</p>' % _('Your subscription to announces is now effective.')
+                '<p>'
+                htmltext(_('Continue to <a href="/">home page</a>'))
+                '</p>'
+            return sub()
+
+
     def atom(self):
         raise NotImplementedError
 
@@ -235,3 +358,9 @@ class AlternateRootDirectory(OldRootDirectory):
         raise NotImplementedError
 
 wcs.root.RootDirectory = AlternateRootDirectory
+
+
+EmailsDirectory.register('announces-subscription-confirmation',
+        N_('Confirmation of Announces Subscription'),
+        N_('Available variables: change_url, cancel_url, time, website'))
+