112 lines
3.4 KiB
Ruby
112 lines
3.4 KiB
Ruby
module UserHelper
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# User images
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def user_image(user, options = {})
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options[:class] ||= "user_image border border-grey"
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options[:alt] ||= ""
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if user.image_use_gravatar
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user_gravatar_tag(user, options)
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elsif user.avatar.attached?
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user_avatar_variant_tag(user, { :resize_to_limit => [100, 100] }, options)
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else
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image_tag "avatar_large.png", options.merge(:width => 100, :height => 100)
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end
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end
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def user_thumbnail(user, options = {})
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options[:class] ||= "user_thumbnail border border-grey"
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options[:alt] ||= ""
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if user.image_use_gravatar
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user_gravatar_tag(user, options.merge(:size => 50))
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elsif user.avatar.attached?
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user_avatar_variant_tag(user, { :resize_to_limit => [50, 50] }, options)
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else
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image_tag "avatar_small.png", options.merge(:width => 50, :height => 50)
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end
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end
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def user_thumbnail_tiny(user, options = {})
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options[:class] ||= "user_thumbnail_tiny border border-grey"
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options[:alt] ||= ""
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if user.image_use_gravatar
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user_gravatar_tag(user, options.merge(:size => 50))
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elsif user.avatar.attached?
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user_avatar_variant_tag(user, { :resize_to_limit => [50, 50] }, options)
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else
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image_tag "avatar_small.png", options.merge(:width => 50, :height => 50)
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end
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end
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def user_image_url(user, options = {})
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if user.image_use_gravatar
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user_gravatar_url(user, options)
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elsif user.avatar.attached?
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polymorphic_url(user_avatar_variant(user, :resize_to_limit => [100, 100]), :host => Settings.server_url)
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else
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image_url("avatar_large.png")
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end
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end
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# External authentication support
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def openid_logo
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image_tag "openid_small.png", :alt => t("sessions.new.openid_logo_alt"), :class => "align-text-bottom"
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end
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def auth_button(name, provider, options = {})
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link_to(
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image_tag("#{name}.svg", :alt => t("sessions.new.auth_providers.#{name}.alt"), :class => "rounded-3"),
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auth_path(options.merge(:provider => provider)),
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:method => :post,
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:class => "auth_button",
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:title => t("sessions.new.auth_providers.#{name}.title")
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)
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end
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private
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# Local avatar support
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def user_avatar_variant_tag(user, variant_options, options)
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if user.avatar.variable?
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variant = user.avatar.variant(variant_options)
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# https://stackoverflow.com/questions/61893089/get-metadata-of-active-storage-variant/67228171
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if variant.send(:processed?)
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metadata = variant.processed.send(:record).image.blob.metadata
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if metadata["width"]
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options[:width] = metadata["width"]
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options[:height] = metadata["height"]
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end
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end
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image_tag variant, options
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else
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image_tag user.avatar, options
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end
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end
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def user_avatar_variant(user, options)
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if user.avatar.variable?
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user.avatar.variant(options)
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else
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user.avatar
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end
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end
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# Gravatar support
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# See http://en.gravatar.com/site/implement/images/ for details.
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def user_gravatar_url(user, options = {})
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size = options[:size] || 100
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hash = Digest::MD5.hexdigest(user.email.downcase)
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default_image_url = image_url("avatar_large.png")
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"#{request.protocol}www.gravatar.com/avatar/#{hash}.jpg?s=#{size}&d=#{u(default_image_url)}"
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end
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def user_gravatar_tag(user, options = {})
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url = user_gravatar_url(user, options)
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options[:height] = options[:width] = options.delete(:size) || 100
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image_tag url, options
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end
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end
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