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class MediaAttachment < ApplicationRecord
IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
VIDEO_MIME_TYPES = ['video/webm', 'video/mp4'].freeze
belongs_to :account, inverse_of: :media_attachments
belongs_to :status, inverse_of: :media_attachments
has_attached_file :file,
styles: -> (f) { file_styles f },
processors: -> (f) { f.video? ? [:transcoder] : [:thumbnail] },
convert_options: { all: "-strip" }
validates_attachment_content_type :file, content_type: IMAGE_MIME_TYPES + VIDEO_MIME_TYPES
validates_attachment_size :file, less_than: 4.megabytes
validates :account, presence: true
def local?
remote_url.blank?
end
def file_remote_url=(url)
self.file = URI.parse(url)
end
def image?
IMAGE_MIME_TYPES.include? file_content_type
end
def video?
VIDEO_MIME_TYPES.include? file_content_type
end
def type
image? ? 'image' : 'video'
end
private
def self.file_styles(f)
if f.instance.image?
{
original: '100%',
small: '510x680>'
}
else
{
original: {
convert_options: {},
format: 'webm'
},
small: {
convert_options: {
output: {
vf: 'scale=\'min(510\, iw):min(680\, ih)\':force_original_aspect_ratio=decrease'
}
},
format: 'png',
time: 1
}
}
end
end
end
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