--- /dev/null
+class SheetPanel < ActiveRecord::Base
+ belongs_to :author
+ belongs_to :panel
+ belongs_to :sheet
+
+ validates :sheet_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 :x, :presence => true, :numericality => true
+ validates :y, :presence => true, :numericality => true
+ validates :z, :presence => true, :numericality => {:greater_than => 0}
+ validates :t, :presence => true, :numericality => {:greater_than_or_equal_to => 0}
+
+ def supply_default
+ self.sheet_id = nil
+ self.panel_id = nil
+ self.t = nil
+ end
+
+ def overwrite au
+ return false unless au
+ self.author_id = au.id
+ end
+
+ def own? roles
+ roles = [roles] unless roles.respond_to?(:each)
+ au = SheetPanel.get_author_from_roles roles
+ return false unless au
+ self.author_id == au.id
+ end
+
+ def visible? roles
+ if MagicNumber['run_mode'] == 0
+ return false unless guest_role_check(roles)
+ else
+ return false unless reader_role_check(roles)
+ end
+ return true if self.sheet.own?(roles)
+ self.sheet.visible? roles
+ end
+
+ def self.default_panel_size
+ 30
+ end
+
+ def self.max_panel_size
+ 200
+ end
+
+ def self.offset cnt, prm = nil
+ offset = prm.to_i
+ offset = cnt - 1 if offset >= cnt
+ offset = cnt - offset.abs if offset < 0
+ offset = 0 if offset < 0
+ offset
+ end
+
+ def self.panel_count cnt, prm = self.default_panel_size
+ count = prm.to_i
+ count = self.max_panel_size if count > self.max_panel_size
+ count = self.default_panel_size if count < 1
+ count
+ end
+
+ def self.default_page_size
+ 25
+ end
+
+ def self.max_page_size
+ 100
+ end
+
+ def self.page prm = nil
+ page = prm.to_i
+ page = 1 if page < 1
+ page
+ end
+
+ def self.page_size prm = self.default_page_size
+ page_size = prm.to_i
+ page_size = self.max_page_size if page_size > self.max_page_size
+ page_size = self.default_page_size if page_size < 1
+ page_size
+ end
+
+ def self.play_list_where cid
+ ['sheet_panels.sheet_id = ?', cid]
+ end
+
+ def self.list_where
+ 'sheets.visible > 0'
+ end
+
+ def self.mylist_where au
+ ['sheet_panels.author_id = ?', au.id]
+ end
+
+ def self.himlist_where au
+ ['sheet_panels.author_id = ? and sheets.visible > 0', au.id]
+ end
+
+ def self.play_list sheet, author, offset = 0, limit = SheetPanel.default_panel_size
+ SheetPanel.where(self.play_list_where(sheet.id)).includes(SheetPanel.list_opt).order('sheet_panels.t').offset(offset).limit(limit)
+ end
+
+ def self.list page = 1, page_size = self.default_page_size
+ SheetPanel.where(self.list_where()).includes(SheetPanel.list_opt).order('sheet_panels.updated_at desc').offset((page -1) * page_size).limit(page_size)
+ end
+
+ def self.mylist au, page = 1, page_size = Author.default_sheet_panel_page_size
+ SheetPanel.where(self.mylist_where(au)).includes(SheetPanel.list_opt).order('sheet_panels.updated_at desc').offset((page -1) * page_size).limit(page_size)
+ end
+
+ def self.himlist au, page = 1, page_size = Author.default_sheet_panel_page_size
+ SheetPanel.where(self.himlist_where(au)).includes(SheetPanel.list_opt).order('sheet_panels.updated_at desc').offset((page -1) * page_size).limit(page_size)
+ end
+
+ def self.list_paginate page = 1, page_size = self.default_page_size
+ Kaminari.paginate_array(Array.new(SheetPanel.where(self.list_where()).includes(SheetPanel.list_opt).count, nil)).page(page).per(page_size)
+ end
+
+ def self.mylist_paginate au, page = 1, page_size = Author.default_sheet_panel_page_size
+ Kaminari.paginate_array(Array.new(SheetPanel.where(self.mylist_where(au)).includes(SheetPanel.list_opt).count, nil)).page(page).per(page_size)
+ end
+
+ def self.himlist_paginate au, page = 1, page_size = Author.default_sheet_panel_page_size
+ Kaminari.paginate_array(Array.new(SheetPanel.where(self.himlist_where(au)).includes(SheetPanel.list_opt).count, nil)).page(page).per(page_size)
+ end
+
+ def self.list_opt
+ {
+ :author => {},
+ :sheet => {
+ :author => {}
+ },
+ :panel => {
+ :author => {},
+ :panel_pictures => {:picture => {:artist => {}, :license => {}}},
+ :speech_balloons =>{:balloon => {}, :speech => {}}
+ }
+ }
+ end
+
+ def self.list_json_opt
+ {:include => {
+ :author => {},
+ :sheet => {
+ :author => {}
+ },
+ :panel => {
+ :author => {},
+ :panel_pictures => {:picture => {:artist => {}, :license => {}}},
+ :speech_balloons =>{:balloon => {}, :speech => {}}
+ }
+ }}
+ end
+
+ def self.show spid, roles
+ opt = {}
+ opt.merge!(SheetPanel.show_opt)
+ res = SheetPanel.find spid, opt
+ raise ActiveRecord::Forbidden unless res.visible?(roles)
+ res
+ end
+
+ def self.edit spid, au
+ opt = {}
+ opt.merge!(SheetPanel.show_opt)
+ res = SheetPanel.find spid, opt
+ raise ActiveRecord::Forbidden unless res.own?(au)
+ res
+ end
+
+ def self.show_opt
+ {:include => {
+ :author => {},
+ :sheet => {
+ :author => {}
+ },
+ :panel => {
+ :author => {},
+ :panel_pictures => {:picture => {:artist => {}, :license => {}}},
+ :speech_balloons =>{:balloon => {}, :speech => {}}
+ }
+ }}
+ end
+
+ def elements
+ self.panel.elements
+ end
+
+ def sheet_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 => {:sheet => {:include => {:author => {}}}, :author => {}, :panel => panel_include}})
+ end
+
+ def self.list_as_json_text ary, au
+ '[' + ary.map {|i| i.sheet_panel_as_json(au) }.join(',') + ']'
+ end
+
+ def self.licensed_pictures sheet_panels
+ r = {}
+ sheet_panels.each do |sheet_panel|
+ r.merge!(sheet_panel.panel.licensed_pictures) if sheet_panel.panel
+ end
+ r
+ end
+
+ def self.new_t sheet_id
+ r = SheetPanel.max_t(sheet_id)
+ r.blank? ? 0 : r.to_i + 1
+ end
+
+ def self.max_t sheet_id
+ SheetPanel.maximum(:t, :conditions => ['sheet_id = ?', sheet_id])
+ end
+
+ def self.find_t sheet_id, t
+ SheetPanel.find(:first, :conditions => ['sheet_id = ? and t = ?', sheet_id, t])
+ end
+
+ def self.collect_t sheet_panel
+ r = SheetPanel.find(:all, :conditions => ['sheet_id = ?', sheet_panel.sheet_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 sheet_panel
+ SheetPanel.serial?(SheetPanel.collect_t(sheet_panel))
+ end
+
+ def insert_shift
+ SheetPanel.update_all('t = t + 1', ['sheet_id = ? and t >= ?', self.sheet_id, self.t])
+ end
+
+ def lesser_shift old_t
+ self.t = 0 if self.t < 0
+ SheetPanel.update_all('t = t + 1', ['sheet_id = ? and (t >= ? and t < ?)', self.sheet_id, self.t, old_t])
+ end
+
+ def higher_shift old_t
+ nf = SheetPanel.find_t(self.sheet_id, self.t)
+ max_t = SheetPanel.max_t(self.sheet_id).to_i
+ self.t = max_t if self.t > max_t
+ SheetPanel.update_all('t = t - 1', ['sheet_id = ? and (t > ? and t <= ?)', self.sheet_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 = SheetPanel.new_t self.sheet_id
+ else
+ self.insert_shift
+ end
+ else
+ if self.t.blank?
+ else
+ self.update_shift old_t
+ end
+ end
+ end
+
+ def allow?
+ return nil if self.sheet_id == nil or self.panel_id == nil
+ self.sheet.own?(self.author) and self.panel.usable?(self.author)
+ end
+
+ def store old_t = nil
+ res = false
+ SheetPanel.transaction do
+ case self.allow?
+ when true
+ self.rotate old_t
+ when false
+ raise ActiveRecord::Forbidden
+ else
+ end
+ res = self.save
+ raise ActiveRecord::Rollback unless res
+ res = SheetPanel.validate_t(self)
+ unless res
+ self.errors.add :t, 'unserialized'
+ raise ActiveRecord::Rollback
+ end
+ end
+ res
+ end
+
+ def destroy_and_shorten
+ res = false
+ SheetPanel.transaction do
+ SheetPanel.update_all('t = t - 1', ['sheet_id = ? and (t > ?)', self.sheet_id, self.t])
+ raise ActiveRecord::Rollback unless self.destroy
+ res = true
+ end
+ res
+ end
+
+end
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