class RailsGravatar
Constants
- DEFAULT_SIZE
- VERSION
Public Class Methods
new(email_address = nil, size = DEFAULT_SIZE, fallback_image_url = nil, alt_text = nil)
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# File lib/rails_gravatar.rb, line 25 def initialize(email_address = nil, size = DEFAULT_SIZE, fallback_image_url = nil, alt_text = nil) @email_address = email_address @size = size @fallback_image_url = fallback_image_url @alt_text = alt_text end
prefetch_dns_tag()
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# File lib/rails_gravatar.rb, line 12 def prefetch_dns_tag new.prefetch_dns_tag end
src(email_address, size = DEFAULT_SIZE, fallback_image_url = nil)
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# File lib/rails_gravatar.rb, line 16 def src(email_address, size = DEFAULT_SIZE, fallback_image_url = nil) new(email_address, size, fallback_image_url).src end
tag(email_address, size = DEFAULT_SIZE, fallback_image_url = nil, alt_text = nil)
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# File lib/rails_gravatar.rb, line 20 def tag(email_address, size = DEFAULT_SIZE, fallback_image_url = nil, alt_text = nil) new(email_address, size, fallback_image_url, alt_text).tag end
Public Instance Methods
email_address()
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# File lib/rails_gravatar.rb, line 46 def email_address @email_address.downcase.strip end
email_address_digest()
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# File lib/rails_gravatar.rb, line 42 def email_address_digest Digest::MD5.hexdigest(email_address) end
fallback_image_url_param()
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# File lib/rails_gravatar.rb, line 64 def fallback_image_url_param @fallback_image_url ? "&d=#{CGI.escape(@fallback_image_url)}" : nil end
prefetch_dns_tag()
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# File lib/rails_gravatar.rb, line 72 def prefetch_dns_tag content_tag(:link, nil, rel: "dns-prefetch", href: "//gravatar.com") end
size()
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# File lib/rails_gravatar.rb, line 54 def size if @size < 1 1 elsif @size > 2048 2048 else @size end end
size_param()
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# File lib/rails_gravatar.rb, line 50 def size_param "s=#{size}" end
src()
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# File lib/rails_gravatar.rb, line 32 def src [ "//www.gravatar.com/avatar/", email_address_digest, "?", size_param, fallback_image_url_param ].join end
tag()
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# File lib/rails_gravatar.rb, line 68 def tag content_tag(:img, nil, src: src, class: "gravatar", alt: @alt_text) end