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Use message bus to broadcast addition and removal of categories

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This commit is contained in:
Neil Lalonde 2013-04-10 15:53:36 -04:00
parent 229395729d
commit c0f3c47196
2 changed files with 11 additions and 0 deletions
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5
app/assets/javascripts/discourse.js
View File

@ -69,6 +69,11 @@ Discourse = Ember.Application.createWithMixins({
user.set('unread_notifications', data.unread_notifications); user.set('unread_notifications', data.unread_notifications);
user.set('unread_private_messages', data.unread_private_messages); user.set('unread_private_messages', data.unread_private_messages);
}), user.notification_channel_position); }), user.notification_channel_position);
bus.subscribe("/categories", function(data){
Discourse.get('site').set('categories', data.categories.map(function(c){
return Discourse.Category.create(c);
}));
});
} }
}.observes('currentUser'), }.observes('currentUser'),

6
app/models/category.rb
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@ -20,7 +20,9 @@ class Category < ActiveRecord::Base
before_validation :ensure_slug before_validation :ensure_slug
after_save :invalidate_site_cache after_save :invalidate_site_cache
after_create :create_category_definition after_create :create_category_definition
after_create :publish_categories_list
after_destroy :invalidate_site_cache after_destroy :invalidate_site_cache
after_destroy :publish_categories_list
scope :latest, ->{ order('topic_count desc') } scope :latest, ->{ order('topic_count desc') }
@ -55,6 +57,10 @@ class Category < ActiveRecord::Base
Site.invalidate_cache Site.invalidate_cache
end end
def publish_categories_list
MessageBus.publish('/categories', {categories: ActiveModel::ArraySerializer.new(Category.latest.all).as_json})
end
def uncategorized_validator def uncategorized_validator
errors.add(:name, I18n.t(:is_reserved)) if name == SiteSetting.uncategorized_name errors.add(:name, I18n.t(:is_reserved)) if name == SiteSetting.uncategorized_name
errors.add(:slug, I18n.t(:is_reserved)) if slug == SiteSetting.uncategorized_name errors.add(:slug, I18n.t(:is_reserved)) if slug == SiteSetting.uncategorized_name