172 lines
4.1 KiB
Ruby
172 lines
4.1 KiB
Ruby
# -*- encoding : utf-8 -*-
|
|
|
|
class ImageUploader < CarrierWave::Uploader::Base
|
|
|
|
# Include RMagick or ImageScience support:
|
|
include CarrierWave::RMagick
|
|
# include CarrierWave::ImageScience
|
|
|
|
# Choose what kind of storage to use for this uploader:
|
|
storage :file
|
|
# storage :s3
|
|
|
|
# Override the directory where uploaded files will be stored.
|
|
# This is a sensible default for uploaders that are meant to be mounted:
|
|
def store_dir
|
|
"public_medias/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
|
|
end
|
|
|
|
# Provide a default URL as a default if there hasn't been a file uploaded:
|
|
# def default_url
|
|
# "/images/fallback/" + [version_name, "default.png"].compact.join('_')
|
|
# end
|
|
|
|
# Process files as they are uploaded:
|
|
process :resize_to_limit => [1200, 1200]
|
|
#
|
|
# def scale(width, height)
|
|
# # do something
|
|
# end
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# Create different versions of your uploaded files:
|
|
version :large do
|
|
process :resize_to_limit => [1200, 1200]
|
|
|
|
|
|
version :medium do
|
|
process :resize_to_limit => [800, 700]
|
|
|
|
version :small do
|
|
process :resize_to_limit => [300, 400]
|
|
|
|
version :thumb do
|
|
process :resize_to_limit => [250, 250]
|
|
end
|
|
|
|
end
|
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
|
|
end
|
|
|
|
version :square do
|
|
process :resize_to_fill => [250, 250]
|
|
end
|
|
|
|
version :secure do
|
|
process :resize_to_limit => [1000, 800]
|
|
#process :convert => 'png'
|
|
process :watermark
|
|
|
|
def store_dir
|
|
"public_medias/secure/#{model.id}"
|
|
end
|
|
|
|
def filename
|
|
"#{model.token_s}.#{file.extension}"# if original_filename.present?
|
|
end
|
|
|
|
def full_filename (for_file = model.file.file)
|
|
"secure_#{model.token_s}"+File.extname(for_file).to_s
|
|
end
|
|
|
|
end
|
|
|
|
version :secure_thumb do
|
|
process :resize_to_fit => [250, 300]
|
|
|
|
def store_dir
|
|
"public_medias/secure/#{model.id}"
|
|
end
|
|
|
|
def filename
|
|
"#{model.token_s}.#{file.extension}" if original_filename.present?
|
|
end
|
|
|
|
def full_filename (for_file = model.file.file)
|
|
"secure_thumb_#{model.token_s}"+File.extname(for_file).to_s
|
|
end
|
|
|
|
end
|
|
|
|
version :square_secure_thumb do
|
|
process :resize_to_fill => [250, 250]
|
|
|
|
def store_dir
|
|
"public_medias/secure/#{model.id}"
|
|
end
|
|
|
|
def filename
|
|
"#{model.token_s}.#{file.extension}" if original_filename.present?
|
|
end
|
|
|
|
def full_filename (for_file = model.file.file)
|
|
"square_secure_thumb_#{model.token_s}"+File.extname(for_file).to_s
|
|
end
|
|
|
|
end
|
|
|
|
def watermark
|
|
manipulate! do |img|
|
|
logo = Magick::Image.read("#{Rails.root}/watermark.png").first
|
|
puts img.rows
|
|
puts img.columns
|
|
#watermark = logo.resize_to_fit(img.columns * 0.4, img.rows * 0.25)
|
|
if img.columns >= 1000 or img.rows >= 800
|
|
watermark = logo.resize_to_fit(220, 220)
|
|
else
|
|
watermark = logo.resize_to_fit(img.columns * 0.4, img.rows * 0.25)
|
|
end
|
|
|
|
|
|
|
|
|
|
#img = img.composite(watermark, Magick::SouthEastGravity, (watermark.columns*-0.4), 10, Magick::OverCompositeOp)
|
|
img = img.composite(watermark, Magick::SouthWestGravity,Magick::OverCompositeOp)
|
|
|
|
|
|
#img = img.dissolve(watermark, 0.4, 1, Magick::CenterGravity)
|
|
#img = img.watermark(watermark, 0.1,0.1, Magick::CenterGravity)
|
|
end
|
|
end
|
|
|
|
|
|
|
|
# Add a white list of extensions which are allowed to be uploaded.
|
|
# For images you might use something like this:
|
|
def extension_white_list
|
|
%w(jpg jpeg gif png bmp)
|
|
end
|
|
|
|
# Override the filename of the uploaded files:
|
|
def filename
|
|
"#{secure_token}.#{file.extension}" if original_filename.present?
|
|
end
|
|
|
|
|
|
before :cache, :save_original_filename
|
|
def save_original_filename(file)
|
|
if !model.origin_name?
|
|
puts file.original_filename
|
|
model.origin_name = file.original_filename if file.original_filename.present?
|
|
end
|
|
end
|
|
|
|
protected
|
|
def secure_token
|
|
var = :"@#{mounted_as}_secure_token"
|
|
model.instance_variable_get(var) or model.instance_variable_set(var, SecureRandom.hex(4))
|
|
end
|
|
|
|
end
|