def channel_item(request, nick, item=None, format='html'): nick = clean.channel(nick) view = api.actor_lookup_nick(request.user, nick) if not view: raise http.Http404() stream_ref = api.stream_get_presence(request.user, view.nick) entry = '%s/%s' % (stream_ref.key().name(), item) entry_ref = api.entry_get(request.user, entry) if not entry_ref: raise http.Http404() handled = common_views.handle_view_action( request, {'entry_add_comment': entry_ref.url(), 'entry_remove': view.url(), 'entry_remove_comment': entry_ref.url(), 'entry_mark_as_spam': entry_ref.url() } ) if handled: return handled admins = api.channel_get_admins(request.user, channel=view.nick) user_is_admin = request.user and request.user.nick in admins comments = api.entry_get_comments(request.user, entry) actor_nicks = [entry_ref.owner, entry_ref.actor] + [c.actor for c in comments] actors = api.actor_get_actors(request.user, actor_nicks) # display munge entry = display.prep_entry(entry_ref, { stream_ref.key().name(): stream_ref }, actors) comments = display.prep_comment_list(comments, actors) # config for template green_top = True sidebar_green_top = True # rendering c = template.RequestContext(request, locals()) if format == 'html': t = loader.get_template('channel/templates/item.html') return http.HttpResponse(t.render(c)) elif format == 'json': t = loader.get_template('actor/templates/item.json') r = http.HttpResponse(t.render(c)) r['Content-type'] = 'text/javascript' return r
def channel_item(request, nick, item=None, format='html'): nick = clean.channel(nick) view = api.actor_lookup_nick(request.user, nick) if not view: raise http.Http404() stream_ref = api.stream_get_presence(request.user, view.nick) entry = '%s/%s' % (stream_ref.key().name(), item) entry_ref = api.entry_get(request.user, entry) if not entry_ref: raise http.Http404() handled = common_views.handle_view_action( request, {'entry_add_comment': entry_ref.url(request=request), 'entry_remove': view.url(request=request), 'entry_remove_comment': entry_ref.url(request=request), 'entry_mark_as_spam': entry_ref.url(request=request) } ) if handled: return handled admins = api.channel_get_admins(request.user, channel=view.nick) user_is_admin = request.user and request.user.nick in admins comments = api.entry_get_comments(request.user, entry) actor_nicks = [entry_ref.owner, entry_ref.actor] + [c.actor for c in comments] actors = api.actor_get_actors(request.user, actor_nicks) # Creates a copy of actors with lowercase keys (Django #6904: template filter # dictsort sorts case sensitive), excluding channels and the currently # logged in user. participants = {} for k, v in actors.iteritems(): if (v and not v.is_channel() and not (hasattr(request.user, 'nick') and request.user.nick == v.nick)): participants[k.lower()] = v # display munge entry = display.prep_entry(entry_ref, { stream_ref.key().name(): stream_ref }, actors) comments = display.prep_comment_list(comments, actors) # config for template green_top = True sidebar_green_top = True # rendering c = template.RequestContext(request, locals()) if format == 'html': t = loader.get_template('channel/templates/item.html') return http.HttpResponse(t.render(c)) elif format == 'json': t = loader.get_template('actor/templates/item.json') r = http.HttpResponse(t.render(c)) r['Content-type'] = 'text/javascript' return r
def actor_item(request, nick=None, item=None, format='html'): # The nick passed in the url looks ugly with the escaped @ in it and is # generally just shorter if we only use the lead part of the nick # however the entire system expects full nicks so we should expand this # as soon as possible nick = clean.nick(nick) # Most pages have the concept of a viewer and an actor being viewed, # in all cases the viewer is `request.user` and the actor being viewed # should be named `view` view = api.actor_lookup_nick(request.user, nick) if not view: raise exception.UserDoesNotExistError(nick, request.user) # With very few exceptions, whenever we are referring to a an # instance that is an entity from the datastore we append `_ref` # to the variable name to distinguish it from the variable that # is simply a string identifier. # In the code below `stream_ref` and `entry_ref` are both entity # references, while `entry` is simply the string key_name of an entry stream_ref = api.stream_get_presence(request.user, view.nick) if not stream_ref: raise http.Http404() if item == 'last': entry_ref = api.entry_get_last(request.user, stream_ref.keyname()) return http.HttpResponseRedirect(entry_ref.url()) else: entry = '%s/%s' % (stream_ref.key().name(), item) entry_ref = api.entry_get_safe(request.user, entry) # Most api calls will return None if the entity being looked up does # not exist so we usually want to verify the return values if not entry_ref: raise http.Http404() # When handling user actions the following pattern more or less applies # if 'parameter_unique_to_action' in request.(POST|GET|REQUEST): # try: # validate.nonce(request, 'nonce_action') # validate.anything_else_that_is_related_to_ui_rather_than_call() # # local_variable = request.(POST|GET|REQUEST).get('request_arg') # # or # params = util.query_dict_to_keywords(request.(POST|GET|REQUEST)) # # # Our goal is to have most of the logic for any action translate # # directly into an api call on behalf of the requesting user # # such that the api call is responsible for validating all input # # and raising any applicable errors # result = api.some_api_method(request.user, # method_variable=local_variable, # ...) # # or # result = api.some_api_method(request.user, **params) # # # All actions should issue a redirect with a success message # return util.RedirectFlash('some_url', 'some success message') # except: # exception.handle_exception(request) # # When an exception occurs we expect the rest of the page to be able # to be processed normally as if no action had been taken, the error # handling section of the template should display the errors caught # by the exception.handle_exception() call handled = common_views.handle_view_action( request, {'entry_add_comment': entry_ref.url(request=request), 'entry_remove': view.url(request=request), 'entry_remove_comment': entry_ref.url(request=request), 'entry_mark_as_spam': entry_ref.url(request=request) } ) if handled: return handled comments = api.entry_get_comments(request.user, entry_ref.key().name()) # To minimize the number of lookups to the datastore once we know # all the data we will be displaying on a page we attempt to make # a list of all the actors associated with that data so that we can # fetch them all at once actor_nicks = [entry_ref.owner, entry_ref.actor] + [c.actor for c in comments] actors = api.actor_get_actors(request.user, actor_nicks) # Creates a copy of actors with lowercase keys (Django #6904: template filter # dictsort sorts case sensitive), excluding the currently logged in user. participants = {} for k, v in actors.iteritems(): if (v and not (hasattr(request.user, 'nick') and request.user.nick == v.nick)): participants[k.lower()] = v # Due to restrictions on Django's templating language most of the time # we will have to take an additional step of preparing all of our data # for display, this usually translates to attaching references to # actor or stream entities. # Functions that handle this preparation should be added to the # common.display module entry = display.prep_entry(entry_ref, {stream_ref.key().name(): stream_ref}, actors) comments = display.prep_comment_list(comments, actors) # Additionally, to minimize more logic in the templates some variables # can be defined to configure the output, these are usually template specific # though some are common variables for anything that inherits from the # base templates green_top = True sidebar_green_top = True # The quickest way to make sure we are getting all of the things we care # about passed to the template without the temptation of making last minute # changes is just to pass `locals()` to the template context c = template.RequestContext(request, locals()) # Ideally this is all that should be necessary to add additional output # formats, in practice it is yet to be seen whether additional data # preparation will be necessary before outputting in JSON or ATOM formats if format == 'html': # We always use the full path to the template to prevent naming conflicts # and difficult searches. t = loader.get_template('actor/templates/item.html') return http.HttpResponse(t.render(c)) elif format == 'json': t = loader.get_template('actor/templates/item.json') return util.HttpJsonResponse(t.render(c), request)
def actor_item(request, nick=None, item=None, format='html'): # The nick passed in the url looks ugly with the escaped @ in it and is # generally just shorter if we only use the lead part of the nick # however the entire system expects full nicks so we should expand this # as soon as possible nick = clean.nick(nick) # Most pages have the concept of a viewer and an actor being viewed, # in all cases the viewer is `request.user` and the actor being viewed # should be named `view` view = api.actor_lookup_nick(request.user, nick) if not view: raise exception.UserDoesNotExistError(nick, request.user) # With very few exceptions, whenever we are referring to a an # instance that is an entity from the datastore we append `_ref` # to the variable name to distinguish it from the variable that # is simply a string identifier. # In the code below `stream_ref` and `entry_ref` are both entity # references, while `entry` is simply the string key_name of an entry stream_ref = api.stream_get_presence(request.user, view.nick) if not stream_ref: raise http.Http404() if item == 'last': entry_ref = api.entry_get_last(request.user, stream_ref.keyname()) return http.HttpResponseRedirect(entry_ref.url()) else: entry = '%s/%s' % (stream_ref.key().name(), item) entry_ref = api.entry_get_safe(request.user, entry) # Most api calls will return None if the entity being looked up does # not exist so we usually want to verify the return values if not entry_ref: raise http.Http404() # When handling user actions the following pattern more or less applies # if 'parameter_unique_to_action' in request.(POST|GET|REQUEST): # try: # validate.nonce(request, 'nonce_action') # validate.anything_else_that_is_related_to_ui_rather_than_call() # # local_variable = request.(POST|GET|REQUEST).get('request_arg') # # or # params = util.query_dict_to_keywords(request.(POST|GET|REQUEST)) # # # Our goal is to have most of the logic for any action translate # # directly into an api call on behalf of the requesting user # # such that the api call is responsible for validating all input # # and raising any applicable errors # result = api.some_api_method(request.user, # method_variable=local_variable, # ...) # # or # result = api.some_api_method(request.user, **params) # # # All actions should issue a redirect with a success message # return util.RedirectFlash('some_url', 'some success message') # except: # exception.handle_exception(request) # # When an exception occurs we expect the rest of the page to be able # to be processed normally as if no action had been taken, the error # handling section of the template should display the errors caught # by the exception.handle_exception() call handled = common_views.handle_view_action( request, { 'entry_add_comment': entry_ref.url(request=request), 'entry_remove': view.url(request=request), 'entry_remove_comment': entry_ref.url(request=request), 'entry_mark_as_spam': entry_ref.url(request=request) }) if handled: return handled comments = api.entry_get_comments(request.user, entry_ref.key().name()) # To minimize the number of lookups to the datastore once we know # all the data we will be displaying on a page we attempt to make # a list of all the actors associated with that data so that we can # fetch them all at once actor_nicks = [entry_ref.owner, entry_ref.actor ] + [c.actor for c in comments] actors = api.actor_get_actors(request.user, actor_nicks) # Creates a copy of actors with lowercase keys (Django #6904: template filter # dictsort sorts case sensitive), excluding the currently logged in user. participants = {} for k, v in actors.iteritems(): if (v and not (hasattr(request.user, 'nick') and request.user.nick == v.nick)): participants[k.lower()] = v # Due to restrictions on Django's templating language most of the time # we will have to take an additional step of preparing all of our data # for display, this usually translates to attaching references to # actor or stream entities. # Functions that handle this preparation should be added to the # common.display module entry = display.prep_entry(entry_ref, {stream_ref.key().name(): stream_ref}, actors) comments = display.prep_comment_list(comments, actors) # Additionally, to minimize more logic in the templates some variables # can be defined to configure the output, these are usually template specific # though some are common variables for anything that inherits from the # base templates green_top = True sidebar_green_top = True # The quickest way to make sure we are getting all of the things we care # about passed to the template without the temptation of making last minute # changes is just to pass `locals()` to the template context c = template.RequestContext(request, locals()) # Ideally this is all that should be necessary to add additional output # formats, in practice it is yet to be seen whether additional data # preparation will be necessary before outputting in JSON or ATOM formats if format == 'html': # We always use the full path to the template to prevent naming conflicts # and difficult searches. t = loader.get_template('actor/templates/item.html') return http.HttpResponse(t.render(c)) elif format == 'json': t = loader.get_template('actor/templates/item.json') return util.HttpJsonResponse(t.render(c), request)
def channel_item(request, nick, item=None, format='html'): nick = clean.channel(nick) view = api.actor_lookup_nick(request.user, nick) if not view: raise http.Http404() stream_ref = api.stream_get_presence(request.user, view.nick) entry = '%s/%s' % (stream_ref.key().name(), item) entry_ref = api.entry_get(request.user, entry) if not entry_ref: raise http.Http404() handled = common_views.handle_view_action( request, { 'entry_add_comment': entry_ref.url(request=request), 'entry_remove': view.url(request=request), 'entry_remove_comment': entry_ref.url(request=request), 'entry_mark_as_spam': entry_ref.url(request=request) }) if handled: return handled admins = api.channel_get_admins(request.user, channel=view.nick) user_is_admin = request.user and request.user.nick in admins comments = api.entry_get_comments(request.user, entry) actor_nicks = [entry_ref.owner, entry_ref.actor ] + [c.actor for c in comments] actors = api.actor_get_actors(request.user, actor_nicks) # Creates a copy of actors with lowercase keys (Django #6904: template filter # dictsort sorts case sensitive), excluding channels and the currently # logged in user. participants = {} for k, v in actors.iteritems(): if (v and not v.is_channel() and not (hasattr(request.user, 'nick') and request.user.nick == v.nick)): participants[k.lower()] = v # display munge entry = display.prep_entry(entry_ref, {stream_ref.key().name(): stream_ref}, actors) comments = display.prep_comment_list(comments, actors) # config for template green_top = True sidebar_green_top = True # rendering c = template.RequestContext(request, locals()) if format == 'html': t = loader.get_template('channel/templates/item.html') return http.HttpResponse(t.render(c)) elif format == 'json': t = loader.get_template('actor/templates/item.json') r = http.HttpResponse(t.render(c)) r['Content-type'] = 'text/javascript' return r