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Size: 1.9 KB
Versions: 15
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Stored size: 1.9 KB
Contents
# frozen_string_literal: true
module PagesCore
class ImageEmbedder
include ActionView::Helpers::AssetTagHelper
include PagesCore::ImagesHelper
include Rails.application.routes.url_helpers
def initialize(string)
@string = string
end
def embed
parse_images(@string)
end
private
def image_expression
/\[image:(\d+)([^\]]*)?\]/
end
def embed_image(id, size:, class_name:, link:)
image = Image.find(id).localize(I18n.locale)
class_name = ["image", image_class_name(image), class_name].compact
image_tag = dynamic_image_tag(image,
size: size, crop: false, upscale: false)
tag.figure((link ? link_to(image_tag, link) : image_tag) +
image_caption(image), class: class_name)
rescue ActiveRecord::RecordNotFound
nil
end
def embed_image_size(str)
if str =~ /size="(\d*x\d*)"/
Regexp.last_match(1)
else
"2000x2000"
end
end
def image_caption(image)
return unless image.caption?
tag.figcaption(image.caption)
end
def image_class_name(image)
if image.size.x == image.size.y
"square"
elsif image.size.x > image.size.y
"landscape"
else
"portrait"
end
end
def link_to(content, href)
tag.a(content, href: href)
end
def parse_image(str)
id = str.match(image_expression)[1]
options = str.match(image_expression)[2]
class_name = (Regexp.last_match(1) if options =~ /class="([\s\-\w]+)"/)
link = (Regexp.last_match(1) if options =~ /link="([^"]+)"/)
embed_image(id,
size: embed_image_size(options),
class_name: class_name,
link: link)
end
def parse_images(string)
string.gsub(image_expression).each do |str|
parse_image(str)
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems