validates :width, :presence => true, :numericality => true, :natural_number => true
validates :height, :presence => true, :numericality => true, :natural_number => true
validates :filesize, :presence => true, :numericality => {:greater_than => 0, :less_than_or_equal_to => 2000000}, :natural_number => true
+ validates :md5, :presence => true, :length => {:minimum => 32, :maximum => 32}
validates :artist_id, :presence => true, :numericality => true, :existence => true
validates :license_id, :presence => true, :numericality => true, :existence => true
validates :original_picture_id, :presence => true, :numericality => true, :existence => true
end
end
- def self.resize(data, dw, dh)
- Magick::Image.from_blob(data).shift.resize(dw, dh)
+ def supply_default
end
- #サイズの調整（limw,limhに必ず収まるように合わせる）
- def self.fix_size_both(limw, limh, w, h)
- wr = if w > limw
- limw*100/w
- else
- 100
- end
- hr = if h > limh
- limh*100/h
- else
- 100
- end
- res = if wr < hr
- #幅の方が圧縮率が高い
- [w*wr/100, h*wr/100]
- else
- #高さの方が圧縮率が高い
- [w*hr/100, h*hr/100]
- end
- res
+ def overwrite op
+ attr = {:width => op.width, :height => op.height, :ext => op.ext, :filesize => op.filesize,
+ :original_picture_id => op.id, :artist_id => op.artist_id, :md5 => op.md5
+ }
+ self.attributes = attr
+ end
+
+ def own? author
+ return false
end
- def dext
- self.ext.downcase
+ def visible? author
+ true
end
def filename
- "#{self.id}.#{self.dext}"
+ "#{self.id}.#{self.ext}"
end
def gifname
end
def mime_type
- "image/#{self.dext}"
+ "image/#{self.ext}"
end
def url subdir = nil
'/resource_pictures/' + (subdir.to_s.empty? ? '' : subdir.to_s + '/' ) + filename
end
- def thumbnail(rimg)
+ def to_gif?
+ self.ext == 'png' and self.flag_gif_convert >= 0
+ end
+
+ def thumbnail(imager)
tw, th = ResourcePicture.fix_size_both(MagicNumber['thumbnail_width'], MagicNumber['thumbnail_height'], rimg.columns, rimg.rows)
ResourcePicture.resize(rimg.to_blob, tw, th).to_blob
end
{:src => self.url, :width => tw, :height => th}
end
- def copy_data(op)
- attr = {:width => op.width, :height => op.height, :ext => op.ext, :filesize => op.filesize,
- :original_picture_id => op.id, :artist_id => op.artist_id, :md5 => op.md5
- }
- self.attributes = attr
+ def self.default_page_size
+ 25
end
- def data_to_mgk picture_data
- begin
- mgk = Magick::Image.from_blob(picture_data).shift
- rescue
- self.errors.add :base, 'magick failed'
- return false
- end
- mgk
+ def self.max_page_size
+ 100
end
- def op_mgk
- d = self.original_picture.restore
- return false unless d
- self.data_to_mgk d
+ def self.page prm = nil
+ page = prm.to_i
+ page = 1 if page < 1
+ page
end
- def new_picture mgk
- pc = Picture.new
- pc.copy_data self
- pc.store mgk
- pc
+ 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.list page = 1, page_size = self.default_page_size
+ opt = {}
+ opt.merge!(self.list_opt)
+ opt.merge!({:limit => page_size, :offset => (page -1) * page_size}) if page_size > 0
+ opt.merge!({:order => 'updated_at desc'})
+ ResourcePicture.find(:all, opt)
+ end
- def to_gif?
- self.dext == 'png' and self.flag_gif_convert >= 0
+ def self.list_opt
+ {:include => {:license => {}, :artist => {}, :picture => {}} }
end
- def self.png_to_gif(data)
- res = nil
- begin
- mgk = Magick::Image.from_blob(data).shift
- mgk.format = 'gif'
- res = mgk
- rescue
- res = false
- end
- res
+ def self.list_json_opt
+ {:include => {:license => {}, :artist => {}, :picture => {}} }
+ end
+
+ def self.show rid, au
+ opt = {}
+ opt.merge!(self.show_opt)
+ r = ResourcePicture.find(rid, opt)
+ raise ActiveRecord::Forbidden unless r.visible?(au)
+ r
end
- def store
+ def self.show_opt
+ {:include => {:license => {}, :artist => {}, :picture => {}} }
+ end
+
+ def self.show_json_opt
+ {:include => {:license => {}, :artist => {}, :picture => {}} }
+ end
+
+ def new_picture imager
+ pc = Picture.new
+ pc.supply_default
+ pc.overwrite self
+ r = pc.store imager
+ return pc if r
+ self.errors.add :base, 'picture does not create' + pc.errors.full_messages.join("\n")
+ false
+ end
+
+ def store imager
+ return false unless imager
res = false
- self.copy_data self.original_picture
- mgk = self.op_mgk
- return false unless mgk
- OriginalPicture.transaction do
- pc = self.new_picture mgk
- if res = pc.valid?
+ self.overwrite self.original_picture
+ ResourcePicture.transaction do
+ pc = self.new_picture imager
+ if pc
self.picture_id = pc.id
if res = self.save
- res = self.store_picture_with_gif(mgk)
+ res = self.store_picture_with_gif(imager)
end
else
- self.errors.add :base, 'picture does not create'
end
raise ActiveRecord::Rollback unless res
end
res
end
- def store_picture_with_gif(mgk)
- if res = self.store_picture(mgk, self.filename)
+ def store_picture_with_gif(imager)
+ if res = self.store_picture(imager, self.filename)
if self.to_gif?
- if gifmgk = ResourcePicture.png_to_gif(mgk.to_blob)
- res = self.store_picture(gifmgk, self.gifname)
+ if gifimager = imager.to_gif
+ res = self.store_picture(gifimager, self.gifname)
else
self.errors.add :base, 'picture data can not conv to gif'
res = false
res
end
- def store_picture(mgk, fn)
+ def store_picture(imager, fn)
res = false
- tdata = self.flag_thumbnail >= 0 ? thumbnail(mgk) : mgk.to_blob
- fdata = mgk.to_blob
- return false unless PictureIO.resource_picture_io.put(tdata, fn)
- PictureIO.resource_picture_io.put(fdata, fn, 'full')
+ thumbnail_imager = self.flag_thumbnail >= 0 ? imager.to_thumbnail : imager
+ return false unless thumbnail_imager
+ return false unless PictureIO.resource_picture_io.put(thumbnail_imager.binary, fn)
+ return false unless PictureIO.resource_picture_io.put(imager.binary, fn, 'full')
+ true
end
def restore(subdir = nil)
PictureIO.resource_picture_io.get self.filename, subdir
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.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.list opt = {}, page = 1, page_size = self.default_page_size
- opt.merge!(self.list_opt) unless opt[:include]
- opt.merge!({:order => 'updated_at desc', :limit => page_size, :offset => (page -1) * page_size})
- ResourcePicture.find(:all, opt)
- end
-
- def self.list_opt
- {:include => [:license, :artist]}
- end
-
- def self.list_json_opt
- {:include => [:license, :artist]}
- end
-
- def self.show rid, opt = {}
- r = ResourcePicture.find(rid, :include => self.show_include_opt(opt))
-# raise ActiveRecord::Forbidden unless c.visible?(au)
- r
- end
-
- def self.show_include_opt opt = {}
- res = [:license, :artist]
- res.push(opt[:include]) if opt[:include]
- res
- end
-
- def self.show_json_include_opt
- {:include => [:license, :artist]}
- end
-
def self.visible_count
ResourcePicture.count
end
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