Merge remote-tracking branch 'upstream/pull/4748'

[rails.git] / app / helpers / user_helper.rb

diff --git a/app/helpers/user_helper.rb b/app/helpers/user_helper.rb
index 0147c3fe6aabbf787808646d70952bb2f0bf1eed..19bb8e0d6fb2d9da218c3cd3e67d17cfcec3319d 100644 (file)
--- a/app/helpers/user_helper.rb
+++ b/app/helpers/user_helper.rb
@@ -1,2 +1,115 @@
 module UserHelper
 module UserHelper

+  # User images
+
+  def user_image(user, options = {})
+    options[:class] ||= "user_image border border-secondary-subtle bg-body"
+    options[:alt] ||= ""
+
+    if user.image_use_gravatar
+      user_gravatar_tag(user, options)
+    elsif user.avatar.attached?
+      user_avatar_variant_tag(user, { :resize_to_limit => [100, 100] }, options)
+    else
+      image_tag "avatar.svg", options.merge(:width => 100, :height => 100)
+    end
+  end
+
+  def user_thumbnail(user, options = {})
+    options[:class] ||= "user_thumbnail border border-secondary-subtle bg-body"
+    options[:alt] ||= ""
+
+    if user.image_use_gravatar
+      user_gravatar_tag(user, options.merge(:size => 50))
+    elsif user.avatar.attached?
+      user_avatar_variant_tag(user, { :resize_to_limit => [50, 50] }, options)
+    else
+      image_tag "avatar.svg", options.merge(:width => 50, :height => 50)
+    end
+  end
+
+  def user_thumbnail_tiny(user, options = {})
+    options[:class] ||= "user_thumbnail_tiny border border-secondary-subtle bg-body"
+    options[:alt] ||= ""
+
+    if user.image_use_gravatar
+      user_gravatar_tag(user, options.merge(:size => 50))
+    elsif user.avatar.attached?
+      user_avatar_variant_tag(user, { :resize_to_limit => [50, 50] }, options)
+    else
+      image_tag "avatar.svg", options.merge(:width => 50, :height => 50)
+    end
+  end
+
+  def user_image_url(user, options = {})
+    if user.image_use_gravatar
+      user_gravatar_url(user, options)
+    elsif user.avatar.attached?
+      polymorphic_url(user_avatar_variant(user, :resize_to_limit => [100, 100]), :host => Settings.server_url)
+    else
+      image_url("avatar.svg")
+    end
+  end
+
+  # External authentication support
+
+  def openid_logo
+    image_tag "openid_small.png", :alt => t("sessions.new.openid_logo_alt"), :class => "align-text-bottom"
+  end
+
+  def auth_button(name, provider, options = {})
+    link_to(
+      image_tag("#{name}.svg",
+                :alt => t("sessions.new.auth_providers.#{name}.alt"),
+                :class => "rounded-3",
+                :size => "36"),
+      auth_path(options.merge(:provider => provider)),
+      :method => :post,
+      :class => "auth_button",
+      :title => t("sessions.new.auth_providers.#{name}.title")
+    )
+  end
+
+  private
+
+  # Local avatar support
+  def user_avatar_variant_tag(user, variant_options, options)
+    if user.avatar.variable?
+      variant = user.avatar.variant(variant_options)
+      # https://stackoverflow.com/questions/61893089/get-metadata-of-active-storage-variant/67228171
+      if variant.send(:processed?)
+        metadata = variant.processed.send(:record).image.blob.metadata
+        if metadata["width"]
+          options[:width] = metadata["width"]
+          options[:height] = metadata["height"]
+        end
+      end
+      image_tag variant, options
+    else
+      image_tag user.avatar, options
+    end
+  end
+
+  def user_avatar_variant(user, options)
+    if user.avatar.variable?
+      user.avatar.variant(options)
+    else
+      user.avatar
+    end
+  end
+
+  # Gravatar support
+
+  # See http://en.gravatar.com/site/implement/images/ for details.
+  def user_gravatar_url(user, options = {})
+    size = options[:size] || 100
+    hash = Digest::MD5.hexdigest(user.email.downcase)
+    default_image_url = image_url("avatar_large.png")
+    "#{request.protocol}www.gravatar.com/avatar/#{hash}.jpg?s=#{size}&d=#{u(default_image_url)}"
+  end
+
+  def user_gravatar_tag(user, options = {})
+    url = user_gravatar_url(user, options)
+    options[:height] = options[:width] = options.delete(:size) || 100
+    image_tag url, options
+  end

 end
 end