1 class StorySheet < ActiveRecord::Base
6 validates :story_id, :presence => true, :numericality => true, :existence => {:both => false}
7 validates :sheet_id, :presence => true, :numericality => true, :existence => {:both => false}
8 validates :author_id, :presence => true, :numericality => true, :existence => {:both => false}
9 validates :t, :presence => true, :numericality => {:greater_than_or_equal_to => 0}
18 return false unless au
19 self.author_id = au.id
23 roles = [roles] unless roles.respond_to?(:each)
24 au = StorySheet.get_author_from_roles roles
25 return false unless au
26 self.author_id == au.id
30 if MagicNumber['run_mode'] == 0
31 return false unless guest_role_check(roles)
33 return false unless reader_role_check(roles)
35 return true if self.story.own?(roles)
36 self.story.visible? roles
39 def self.default_sheet_size
43 def self.max_sheet_size
47 def self.offset cnt, prm = nil
49 offset = cnt - 1 if offset >= cnt
50 offset = cnt - offset.abs if offset < 0
51 offset = 0 if offset < 0
55 def self.default_page_size
59 def self.max_page_size
63 def self.page prm = nil
69 def self.page_size prm = self.default_page_size
71 page_size = self.max_page_size if page_size > self.max_page_size
72 page_size = self.default_page_size if page_size < 1
76 def self.play_list_where sid
77 ['story_sheets.story_id = ?', sid]
84 def self.mylist_where au
85 ['story_sheets.author_id = ?', au.id]
88 def self.himlist_where au
89 ['story_sheets.author_id = ? and stories.visible > 0', au.id]
92 def self.play_sheet story, au, page = 1
93 ss = StorySheet.where(self.play_list_where(story.id)).includes(StorySheet.list_opt).order('story_sheets.t').offset(page -1).limit(1).first
97 def self.list page = 1, page_size = self.default_page_size
98 StorySheet.where(self.list_where()).includes(StorySheet.list_opt).order('story_sheets.updated_at desc').offset((page -1) * page_size).limit(page_size)
101 def self.mylist au, page = 1, page_size = Author.default_story_sheet_page_size
102 StorySheet.where(self.mylist_where(au)).includes(StorySheet.list_opt).order('story_sheets.updated_at desc').offset((page -1) * page_size).limit(page_size)
105 def self.himlist au, page = 1, page_size = Author.default_story_sheet_page_size
106 StorySheet.where(self.himlist_where(au)).includes(StorySheet.list_opt).order('story_sheets.updated_at desc').offset((page -1) * page_size).limit(page_size)
109 def self.list_paginate page = 1, page_size = self.default_page_size
110 Kaminari.paginate_array(Array.new(StorySheet.where(self.list_where()).includes(StorySheet.list_opt).count, nil)).page(page).per(page_size)
113 def self.mylist_paginate au, page = 1, page_size = Author.default_story_sheet_page_size
114 Kaminari.paginate_array(Array.new(StorySheet.where(self.mylist_where(au)).includes(StorySheet.list_opt).count, nil)).page(page).per(page_size)
117 def self.himlist_paginate au, page = 1, page_size = Author.default_story_sheet_page_size
118 Kaminari.paginate_array(Array.new(StorySheet.where(self.himlist_where(au)).includes(StorySheet.list_opt).count, nil)).page(page).per(page_size)
121 def self.play_paginate story, page
122 Kaminari.paginate_array(Array.new(StorySheet.where(self.play_list_where(story.id)).includes(StorySheet.list_opt).count, nil)).page(page).per(1)
137 def self.list_json_opt
140 :story => {:include => {:author => {}}} ,
141 :sheet => {:include => {:author => {}}}
145 def self.show spid, roles
147 opt.merge!(StorySheet.show_opt)
148 res = StorySheet.find spid, opt
149 raise ActiveRecord::Forbidden unless res.visible?(roles)
153 def self.edit spid, au
155 opt.merge!(StorySheet.show_opt)
156 res = StorySheet.find spid, opt
157 raise ActiveRecord::Forbidden unless res.own?(au)
173 def self.show_json_opt
176 :story => {:include => {:author => {}}} ,
177 :sheet => {:include => {:author => {}}}
181 def self.new_t story_id
182 r = StorySheet.max_t(story_id)
183 r.blank? ? 0 : r.to_i + 1
186 def self.top_sheet story, author
187 StorySheet.play_list(story, author).first
190 def self.max_t story_id
191 StorySheet.maximum(:t, :conditions => ['story_id = ?', story_id])
194 def self.find_t story_id, t
195 StorySheet.find(:first, :conditions => ['story_id = ? and t = ?', story_id, t])
198 def self.collect_t story_sheet
199 r = StorySheet.find(:all, :conditions => ['story_id = ?', story_sheet.story_id], :order => 't')
205 ary.compact.sort.each do |t|
206 break false unless t == i
209 ary.compact.size == i
212 def self.validate_t story_sheet
213 StorySheet.serial?(StorySheet.collect_t(story_sheet))
217 StorySheet.update_all('t = t + 1', ['story_id = ? and t >= ?', self.story_id, self.t])
220 def lesser_shift old_t
221 self.t = 0 if self.t < 0
222 StorySheet.update_all('t = t + 1', ['story_id = ? and (t >= ? and t < ?)', self.story_id, self.t, old_t])
225 def higher_shift old_t
226 nf = StorySheet.find_t(self.story_id, self.t)
227 max_t = StorySheet.max_t(self.story_id).to_i
228 self.t = max_t if self.t > max_t
229 StorySheet.update_all('t = t - 1', ['story_id = ? and (t > ? and t <= ?)', self.story_id, old_t, self.t])
232 def update_shift old_t
240 def rotate old_t = nil
243 self.t = StorySheet.new_t self.story_id
250 self.update_shift old_t
256 return nil if self.story_id == nil or self.sheet_id == nil
257 self.story.own?(self.author) and self.sheet.usable?(self.author)
260 def store old_t = nil
262 StorySheet.transaction do
267 raise ActiveRecord::Forbidden
271 raise ActiveRecord::Rollback unless res
272 res = StorySheet.validate_t(self)
274 self.errors.add :t, 'unserialized'
275 raise ActiveRecord::Rollback
281 def destroy_and_shorten
283 StorySheet.transaction do
284 StorySheet.update_all('t = t - 1', ['story_id = ? and (t > ?)', self.story_id, self.t])
285 raise ActiveRecord::Rollback unless self.destroy