-class ScrollPanel < Peta::Content
+class ScrollPanel < Peta::Leaf
load_manifest
belongs_to :author
belongs_to :panel
validates :scroll_id, :presence => true, :numericality => true, :existence => {:both => false}
validates :panel_id, :presence => true, :numericality => true, :existence => {:both => false}
- validates :author_id, :presence => true, :numericality => true, :existence => {:both => false}
validates :t, :presence => true, :numericality => {:greater_than_or_equal_to => 0}
- def tag_attributes column = nil, opt = {}
- {
- }
+ scope :with_scroll, -> do
+ includes(:scroll)
end
- def supply_default
- self.scroll_id = nil
- self.panel_id = nil
- self.t = nil
+ scope :find_index, -> do
+ with_scroll.where(Scroll.arel_table[:visible].gt 0).references(:scroll)
end
- def overwrite operators
- return false unless operators.author
- self.author_id = operators.author.id
+ scope :find_private, -> (operators) do
+ with_scroll.where(Scroll.arel_table[:author_id].eq operators.author.id).references(:scroll)
end
- def visible? operators
- return false unless super
- self.owner_model.visible? operators
+ scope :by_scroll, -> (scroll_id) do
+ where(scroll_id: scroll_id)
end
- def self.list_order
- 'scroll_panels.updated_at desc'
+ scope :find_by_scroll, -> (scroll_id) do
+ find_index.by_scroll(scroll_id).references(:scroll)
end
- def self.list_where
- 'scrolls.visible > 0'
+ scope :find_by_panel, -> (panel_id) do
+ find_index.where(panel_id: panel_id).references(:scroll)
end
- def self.play_list_where cid
- ['scroll_panels.scroll_id = ?', cid]
+ scope :find_by_author, -> (author_id) do
+ find_index.where(Scroll.arel_table[:author_id].eq author_id).references(:scroll)
end
- def self.play_list scroll, author, offset = 0, limit = ScrollPanel.default_panel_size
- ScrollPanel.where(self.play_list_where(scroll.id)).includes(ScrollPanel.list_opt).order('scroll_panels.t').offset(offset).limit(limit)
+ scope :find_play, -> (scroll_id) do
+ find_by_scroll(scroll_id)
end
- def self.list_opt
- {
- :author => {},
- :scroll => {
- :author => {}
- },
- :panel => {
- :author => {},
- :panel_pictures => {:picture => {:artist => {}, :license => {}}},
- :speech_balloons =>{:balloon => {}, :speech => {}}
- }
- }
+ scope :find_private_play, -> (scroll_id, operators) do
+ find_private(operators).by_scroll(scroll_id)
end
- def self.list_json_opt
- {:include => {
- :author => {},
- :scroll => {
- :author => {}
- },
- :panel => {
- :author => {},
- :panel_pictures => {:picture => {:artist => {}, :license => {}}},
- :speech_balloons =>{:balloon => {}, :speech => {}}
- }
- }}
+ def supply_default
+ self.scroll_id = nil
+ self.panel_id = nil
+ self.t = nil
end
- def self.show_opt
- {:include => {
- :author => {},
- :scroll => {
- :author => {}
- },
- :panel => {
- :author => {},
- :panel_pictures => {:picture => {:artist => {}, :license => {}}},
- :speech_balloons =>{:balloon => {}, :speech => {}}
- }
- }}
+ def overwrite operators
end
- def elements
- self.panel.elements
+ def self.public_list_where list
+ 'scrolls.visible > 0'
end
- def scroll_panel_as_json au
- panel_include = if self.panel and self.panel.visible?(au)
- {:include => {:author => {}}, :methods => :elements}
- else
- {:include => {:author => {}}}
- end
- self.to_json({:include => {:scroll => {:include => {:author => {}}}, :author => {}, :panel => panel_include}})
+ def self.by_author_list_includes
+ [:scroll => :author]
end
- def self.list_as_json_text ary, au
- '[' + ary.map {|i| i.scroll_panel_as_json(au) }.join(',') + ']'
+ def self.show_opt
+ {:include => {
+ :scroll => {
+ :author => {}
+ },
+ }}
end
def self.licensed_pictures scroll_panels
- r = {}
- scroll_panels.each do |scroll_panel|
- r.merge!(scroll_panel.panel.licensed_pictures) if scroll_panel.panel
- end
- r
- end
-
- def self.new_t scroll_id
- r = ScrollPanel.max_t(scroll_id)
- r.blank? ? 0 : r.to_i + 1
- end
-
- def self.max_t scroll_id
- ScrollPanel.maximum(:t, :conditions => ['scroll_id = ?', scroll_id])
- end
-
- def self.find_t scroll_id, t
- ScrollPanel.find(:first, :conditions => ['scroll_id = ? and t = ?', scroll_id, t])
- end
-
- def self.collect_t scroll_panel
- r = ScrollPanel.find(:all, :conditions => ['scroll_id = ?', scroll_panel.scroll_id], :order => 't')
- r.map {|sp| sp.t}
- end
-
- def self.serial? ary
- i = 0
- ary.compact.sort.each do |t|
- break false unless t == i
- i += 1
- end
- ary.compact.size == i
- end
-
- def self.validate_t scroll_panel
- ScrollPanel.serial?(ScrollPanel.collect_t(scroll_panel))
- end
-
- def insert_shift
- ScrollPanel.update_all('t = t + 1', ['scroll_id = ? and t >= ?', self.scroll_id, self.t])
- end
-
- def lesser_shift old_t
- self.t = 0 if self.t < 0
- ScrollPanel.update_all('t = t + 1', ['scroll_id = ? and (t >= ? and t < ?)', self.scroll_id, self.t, old_t])
- end
-
- def higher_shift old_t
- nf = ScrollPanel.find_t(self.scroll_id, self.t)
- max_t = ScrollPanel.max_t(self.scroll_id).to_i
- self.t = max_t if self.t > max_t
- ScrollPanel.update_all('t = t - 1', ['scroll_id = ? and (t > ? and t <= ?)', self.scroll_id, old_t, self.t])
- end
-
- def update_shift old_t
- if self.t > old_t
- higher_shift old_t
- else
- lesser_shift old_t
- end
- end
-
- def rotate old_t = nil
- if self.new_record?
- if self.t.blank?
- self.t = ScrollPanel.new_t self.scroll_id
- else
- self.insert_shift
- end
- else
- if self.t.blank?
- else
- self.update_shift old_t
- end
- end
+ Panel.licensed_pictures scroll_panels.select {|sp| sp.panel }.map {|sp| sp.panel }
end
def allow? operators
self.scroll.own?(operators) and self.panel.usable?(operators)
end
- def store operators, old_t = nil
- res = false
- ScrollPanel.transaction do
- case self.allow? operators
- when true
- self.rotate old_t
- when false
- raise ActiveRecord::Forbidden
- else
- end
- res = self.save
- raise ActiveRecord::Rollback unless res
- res = ScrollPanel.validate_t(self)
- unless res
- self.errors.add :t, 'unserialized'
- raise ActiveRecord::Rollback
- end
- end
- res
- end
-
- def destroy_and_shorten
- res = false
- ScrollPanel.transaction do
- ScrollPanel.update_all('t = t - 1', ['scroll_id = ? and (t > ?)', self.scroll_id, self.t])
- raise ActiveRecord::Rollback unless self.destroy
- res = true
- end
- res
- end
-
end
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