app/soc/views/models/role.py
changeset 944 5ea2bd9e3fa6
parent 908 8f7e89cacd2e
child 952 e087015e09c9
--- a/app/soc/views/models/role.py	Sat Jan 24 10:18:30 2009 +0000
+++ b/app/soc/views/models/role.py	Sat Jan 24 10:19:17 2009 +0000
@@ -19,19 +19,26 @@
 
 __authors__ = [
     '"Sverre Rabbelier" <sverre@rabbelier.nl>',
+    '"Lennard de Rijk" <ljvderijk@gmail.com>',
   ]
 
 
+from django import http
 from django import forms
 from django.utils.translation import ugettext_lazy
 
 from soc.logic import dicts
+from soc.logic.models import request as request_logic
 from soc.logic.models import user as user_logic
+from soc.logic.helper import request as request_helper
 from soc.views import helper
 from soc.views import out_of_band
 from soc.views.helper import access
+from soc.views.helper import decorators
 from soc.views.helper import redirects
+from soc.views.helper import responses
 from soc.views.models import base
+from soc.views.models import request as request_view
 from soc.views.models import user as user_view
 
 import soc.models.request
@@ -40,29 +47,6 @@
 import soc.views.helper.widgets
 
 
-class RequestForm(helper.forms.BaseForm):
-  """Django form displayed when creating a new invititation/request.
-  """
-
-  class Meta:
-    """Inner Meta class that defines some behavior for the form.
-    """
-
-    #: db.Model subclass for which the form will gather information
-    model = soc.models.request.Request
-
-    #: Exclude pretty much everything, model=None would 
-    #: also remove the help text etc. 
-    exclude = ['requester', 'to', 'role', 
-        'accepted', 'declined']
-
-  requester = forms.CharField(widget=helper.widgets.ReadOnlyInput())
-
-  role = forms.CharField(widget=helper.widgets.ReadOnlyInput())
-
-  to = forms.CharField(widget=helper.widgets.ReadOnlyInput())
-
-
 class View(base.View):
   """Views for all entities that inherit from Role.
 
@@ -80,10 +64,13 @@
     """
 
     new_params = {}
-
-    patterns = [(r'^%(url_name)s/(?P<access_type>invite)/%(lnp)s$',
+    # TODO(ljvderijk) add request and process_request
+    patterns = [(r'^%(url_name)s/(?P<access_type>invite)/%(scope)s$',
         'soc.views.models.%(module_name)s.invite',
-        'Invite %(name_short)s')]
+        'Create invite for %(name_plural)s'),
+        (r'^%(url_name)s/(?P<access_type>accept_invite)/%(scope)s/%(lnp)s$',
+        'soc.views.models.%(module_name)s.acceptInvite',
+        'Accept invite for %(name_plural)s')]
 
     new_params['extra_django_patterns'] = patterns
     new_params['scope_redirect'] = redirects.getInviteRedirect
@@ -92,33 +79,211 @@
 
     super(View, self).__init__(params=params)
 
+  @decorators.merge_params
+  @decorators.check_access
   def invite(self, request, access_type,
-             page_name=None, params=None, *args, **kwargs):
-    """Displays the request promotion to Role page.
+                   page_name=None, params=None, **kwargs):
+    """Creates the page on which an invite can be send out.
+
+    Args:
+      request: the standard Django HTTP request object
+      access_type : the name of the access type which should be checked
+      context: dictionary containing the context for this view
+      params: a dict with params for this View
+      kwargs: the Key Fields for the specified entity
+    """
+
+    # get the context for this webpage
+    context = responses.getUniversalContext(request)
+    context['page_name'] = page_name
+
+    if request.method == 'POST':
+      return self.invitePost(request, context, params, **kwargs)
+    else:
+      # request.method == 'GET'
+      return self.inviteGet(request, context, params, **kwargs)
+
+  def inviteGet(self, request, context, params, **kwargs):
+    """Handles the GET request concerning the view that creates an invite
+    for attaining a certain Role.
+
+    Args:
+      request: the standard Django HTTP request object
+      page_name: the page name displayed in templates as page and header title
+      params: a dict with params for this View
+      kwargs: the Key Fields for the specified entity
+    """
+
+    # set the role to the right name
+    fields = {'role' : '%(module_name)s' %(params)}
+
+    # get the request view parameters and initialize the create form
+    request_params = request_view.view.getParams()
+    form = request_params['create_form'](initial=fields)
+
+    # construct the appropriate response
+    return super(View, self)._constructResponse(request, entity=None,
+        context=context, form=form, params=params)
+
+  def invitePost(self, request, context, params, **kwargs):
+    """Handles the POST request concerning the view that creates an invite
+    for attaining a certain Role.
+
+    Args:
+      request: the standard Django HTTP request object
+      page_name: the page name displayed in templates as page and header title
+      params: a dict with params for this View
+      kwargs: the Key Fields for the specified entity
     """
 
-    new_params = {}
+    # get the request view parameters and populate the form using POST data
+    request_params = request_view.view.getParams()
+    form = request_params['create_form'](request.POST)
+
+    if not form.is_valid():
+      # return the invalid form response
+      return self._constructResponse(request, entity=None, context=context,
+          form=form, params=params)
 
-    group_scope = kwargs['link_id']
+    # collect the cleaned data from the valid form
+    key_name, form_fields = soc.views.helper.forms.collectCleanedFields(form)
+    
+    # get the group entity for which this request is via the scope_path
+    group_key_fields = kwargs['scope_path'].rsplit('/',1)
+    
+    if len(group_key_fields) == 1:
+      # there is only a link_id
+      fields = {'link_id' : group_key_fields[0]}
+    else:
+      # there is a scope_path and link_id
+      fields = {'scope_path' : group_key_fields[0],
+                'link_id' : group_key_fields[1]}
+    
+    group = params['group_logic'].getForFields(fields, unique=True)
+    
+    if group.scope_path:
+      request_scope_path = '%s/%s' % [group.scope_path, group.link_id]
+    else:
+      request_scope_path = group.link_id
 
-    new_params['list_action'] = (redirects.getCreateRequestRedirect,
-        {'group_scope' : group_scope,
-        'url_name' : self._params['url_name']})
-    new_params['list_description'] = \
-        self.DEF_INVITE_INSTRUCTION_MSG_FMT % self._params
-    new_params['logic'] = user_logic.logic
+    # create the fields for the new request entity
+    request_fields = {'link_id' : form_fields['link_id'].link_id,
+        'scope' : group,
+        'scope_path' : request_scope_path,
+        'role' : params['module_name'],
+        'role_verbose' : params['name'],
+        'state' : 'group_accepted'}
+
+    # extract the key_name for the new request entity
+    key_fields = request_logic.logic.getKeyFieldsFromDict(request_fields)
+    key_name = request_logic.logic.getKeyNameForFields(key_fields)
+
+    # create the request entity
+    entity = request_logic.logic.updateOrCreateFromKeyName(request_fields, key_name)
+    
+    # TODO(ljvderijk) redirect to a more useful place like the group homepage
+    return http.HttpResponseRedirect('/')
+
+
+  @decorators.merge_params
+  @decorators.check_access
+  def acceptInvite(self, request, access_type,
+                   page_name=None, params=None, **kwargs):
+    """Creates the page process an invite into a Role.
+
+    Args:
+      request: the standard Django HTTP request object
+      access_type : the name of the access type which should be checked
+      context: dictionary containing the context for this view
+      params: a dict with params for this View
+      kwargs: the Key Fields for the specified entity
+    """
+
+     # get the context for this webpage
+    context = responses.getUniversalContext(request)
+    context['page_name'] = page_name
+
+    if request.method == 'POST':
+      return self.acceptInvitePost(request, context, params, **kwargs)
+    else:
+      # request.method == 'GET'
+      return self.acceptInviteGet(request, context, params, **kwargs)
 
-    new_params = dicts.merge(params, new_params)
-    params = dicts.merge(new_params, user_view.view._params)
-    rights = params['rights']
+  def acceptInviteGet(self, request, context, params, **kwargs):
+    """Handles the GET request concerning the creation of a Role via an
+    invite.
+
+    Args:
+      request: the standard Django HTTP request object
+      context: dictionary containing the context for this view
+      params: a dict with params for this View
+      kwargs: the Key Fields for the specified entity
+    """
+
+    # create the form using the scope_path and link_id from kwargs as initial value
+    fields = {'link_id' : kwargs['link_id'],
+              'scope_path' : kwargs['scope_path']}
+    form = params['invited_create_form'](initial=fields)
+
+    # construct the appropriate response
+    return super(View, self)._constructResponse(request, entity=None,
+        context=context, form=form, params=params)
+
+  def acceptInvitePost(self, request, context, params, **kwargs):
+    """Handles the POST request concerning the creation of a Role via an
+    invite.
+
+    Args:
+      request: the standard Django HTTP request object
+      context: dictionary containing the context for this view
+      params: a dict with params for this View
+      kwargs: the Key Fields for the specified entity
+    """
+
+    # populate the form using the POST data
+    form = params['invited_create_form'](request.POST)
+
+    if not form.is_valid():
+      # return the invalid form response
+      return self._constructResponse(request, entity=None, context=context,
+          form=form, params=params)
 
-    try:
-      access.checkAccess(access_type, request, rights, args, kwargs)
-    except out_of_band.Error, error:
-      return helper.responses.errorResponse(error, request)
+    # collect the cleaned data from the valid form
+    key_name, fields = soc.views.helper.forms.collectCleanedFields(form)
+
+    # call the post process method
+    self._acceptInvitePost(fields, request, context, params, **kwargs)
+
+    group_logic = params['group_logic']
+    group_entity = group_logic.getFromKeyName(fields['scope_path'])
+    fields['scope'] = group_entity
+    
+    # make sure that this role becomes active once more in case this user
+    # has been reinvited
+    fields ['state'] = 'active'
+
+    # get the key_name for the new entity
+    key_fields =  self._logic.getKeyFieldsFromDict(fields)
+    key_name = self._logic.getKeyNameForFields(key_fields)
 
-    content = helper.lists.getListContent(request, params)
-    contents = [content]
+    # create new Role entity
+    entity = self._logic.updateOrCreateFromKeyName(fields, key_name)
+
+    # mark the request as completed
+    request_helper.completeRequestForRole(entity, params['module_name'])
+
+    # redirect to the roles overview page
+    return http.HttpResponseRedirect('/user/roles')
+
 
-    return self._list(request, params, contents, page_name)
+  def _acceptInvitePost(self, fields, request, context, params, **kwargs):
+    """ Used to post-process data after the fields have been cleaned.
 
+      Args:
+      fields : the cleaned fields from the role form
+      request: the standard Django HTTP request object
+      context: dictionary containing the context for this view
+      params: a dict with params for this View
+      kwargs: the Key Fields for the specified entity
+    """
+    pass