Convert social share helper library into a real helper

app/helpers/application_helper.rb

@@ -1,6 +1,5 @@
 module ApplicationHelper
   require "rexml/document"
-  include SocialShareButtonHelper
 
   def linkify(text)
     if text.html_safe?
@@ -76,32 +75,4 @@ module ApplicationHelper
   rescue StandardError
     flash.inspect if Rails.env.development?
   end
-
-  # Generates a set of social share buttons based on the specified options.
-  def render_social_share_buttons(opts = {})
-    sites = opts.fetch(:allow_sites, [])
-    valid_sites, invalid_sites = SocialShareButtonHelper.filter_allowed_sites(sites)
-
-    # Log invalid sites
-    invalid_sites.each do |invalid_site|
-      Rails.logger.error("Invalid site or icon not configured: #{invalid_site}")
-    end
-
-    tag.div(
-      :class => "social-share-button d-flex gap-1 align-items-end flex-wrap mb-3"
-    ) do
-      valid_sites.map do |site|
-        link_options = {
-          :rel => ["nofollow", opts[:rel]].compact,
-          :class => "ssb-icon rounded-circle",
-          :title => I18n.t("application.share.#{site}.title"),
-          :target => "_blank"
-        }
-
-        link_to SocialShareButtonHelper.generate_share_url(site, opts), link_options do
-          image_tag(SocialShareButtonHelper.icon_path(site), :alt => I18n.t("application.share.#{site}.alt"), :size => 28)
-        end
-      end.join.html_safe
-    end
-  end
 end

app/helpers/social_share_button_helper.rb

@@ -0,0 +1,84 @@
+module SocialShareButtonHelper
+  require "uri"
+
+  SOCIAL_SHARE_CONFIG = {
+    :email => "social_icons/email.svg",
+    :bluesky => "social_icons/bluesky.svg",
+    :facebook => "social_icons/facebook.svg",
+    :linkedin => "social_icons/linkedin.svg",
+    :mastodon => "social_icons/mastodon.svg",
+    :telegram => "social_icons/telegram.svg",
+    :x => "social_icons/x.svg"
+  }.freeze
+
+  # Generates a set of social share buttons based on the specified options.
+  def render_social_share_buttons(opts = {})
+    sites = opts.fetch(:allow_sites, [])
+    valid_sites, invalid_sites = filter_allowed_sites(sites)
+
+    # Log invalid sites
+    invalid_sites.each do |invalid_site|
+      Rails.logger.error("Invalid site or icon not configured: #{invalid_site}")
+    end
+
+    tag.div(
+      :class => "social-share-button d-flex gap-1 align-items-end flex-wrap mb-3"
+    ) do
+      valid_sites.map do |site|
+        link_options = {
+          :rel => ["nofollow", opts[:rel]].compact,
+          :class => "ssb-icon rounded-circle",
+          :title => I18n.t("application.share.#{site}.title"),
+          :target => "_blank"
+        }
+
+        link_to generate_share_url(site, opts), link_options do
+          image_tag(icon_path(site), :alt => I18n.t("application.share.#{site}.alt"), :size => 28)
+        end
+      end.join.html_safe
+    end
+  end
+
+  private
+
+  def filter_allowed_sites(sites)
+    valid_sites = sites.empty? ? SOCIAL_SHARE_CONFIG.keys : sites.select { |site| valid_site?(site) }
+    invalid_sites = sites - valid_sites
+    [valid_sites, invalid_sites]
+  end
+
+  def icon_path(site)
+    SOCIAL_SHARE_CONFIG[site.to_sym] || ""
+  end
+
+  def valid_site?(site)
+    SOCIAL_SHARE_CONFIG.key?(site.to_sym)
+  end
+
+  def generate_share_url(site, params)
+    site = site.to_sym
+    case site
+    when :email
+      to = params[:to] || ""
+      subject = CGI.escape(params[:title])
+      body = CGI.escape(params[:url])
+      "mailto:#{to}?subject=#{subject}&body=#{body}"
+    when :x
+      via_str = params[:via] ? "&via=#{URI.encode_www_form_component(params[:via])}" : ""
+      hashtags_str = params[:hashtags] ? "&hashtags=#{URI.encode_www_form_component(params[:hashtags].join(','))}" : ""
+      "https://x.com/intent/tweet?url=#{URI.encode_www_form_component(params[:url])}&text=#{URI.encode_www_form_component(params[:title])}#{hashtags_str}#{via_str}"
+    when :linkedin
+      "https://www.linkedin.com/sharing/share-offsite/?url=#{URI.encode_www_form_component(params[:url])}"
+    when :facebook
+      "https://www.facebook.com/sharer/sharer.php?u=#{URI.encode_www_form_component(params[:url])}&t=#{URI.encode_www_form_component(params[:title])}"
+    when :mastodon
+      "https://mastodonshare.com/?text=#{URI.encode_www_form_component(params[:title])}&url=#{URI.encode_www_form_component(params[:url])}"
+    when :telegram
+      "https://t.me/share/url?url=#{URI.encode_www_form_component(params[:url])}&text=#{URI.encode_www_form_component(params[:title])}"
+    when :bluesky
+      "https://bsky.app/intent/compose?text=#{URI.encode_www_form_component(params[:title])}+#{URI.encode_www_form_component(params[:url])}"
+    else
+      raise ArgumentError, "Unsupported platform: #{platform}"
+    end
+  end
+end