Created
March 19, 2015 20:08
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class Image < ActiveRecord::Base | |
has_secure_token :uuid, key_length: 48 | |
belongs_to :event | |
belongs_to :user | |
has_attached_file :image, | |
:styles => { :medium => "400x400>", :thumb => "200x200>" }, | |
:default_url => "/images/:style/missing.png" | |
validates_attachment_content_type :image, | |
:content_type => ["image/jpg", "image/jpeg", "image/png", "image/gif"] | |
def get_context_array(context_type, context_id) | |
case context_type | |
when 'cosplayer' | |
user = User.find(context_id) | |
if user | |
images = user.images.order('created_at DESC') | |
else | |
false | |
end | |
else | |
event = Event.find(context_id) | |
if event | |
images = event.images.order('created_at DESC') | |
else | |
false | |
end | |
end | |
images | |
end | |
def previous_image(context_type, context_id) | |
array = self.get_context_array(context_type, context_id) | |
index = array.index(self) | |
if index == 0 | |
current_index = array.length - 1 | |
else | |
current_index = index - 1 | |
end | |
array[current_index] | |
end | |
def next_image(context_type, context_id) | |
array = self.get_context_array(context_type, context_id) | |
index = array.index(self) | |
last_index = array.length - 1 | |
if index == last_index | |
current_index = 0 | |
else | |
current_index = index + 1 | |
end | |
array[current_index] | |
end | |
def reactify(context_type, context_id) | |
tmp = Jbuilder.encode do |json| | |
json.(self.decorate(context: {context_type: context_type, context_id: context_id}), :id, :url, :characters, :cosplayers, :user, :event, :previous_image_uuid, :next_image_uuid) | |
end | |
JSON.parse(tmp) | |
end | |
end |
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