Stock filter (#1376)

* Initial pass at stock filtering

* Rough in filter

* Cleaning up security listing

* Tweak to search function

* Combobox tweaks

* Clean up search query

* Update trades test with combobox

* Update securities.yml

app/models/security.rb

@@ -6,12 +6,36 @@ class Security < ApplicationRecord
   validates :ticker, presence: true
   validates :ticker, uniqueness: { scope: :exchange_mic, case_sensitive: false }
 
+  scope :search, ->(query) {
+    return none if query.blank? || query.length < 2
+
+    # Clean and normalize the search terms
+    sanitized_query = query.split.map do |term|
+      cleaned_term = term.gsub(/[^a-zA-Z0-9]/, " ").strip
+      next if cleaned_term.blank?
+      cleaned_term
+    end.compact.join(" | ")
+
+    return none if sanitized_query.blank?
+
+    sanitized_query = ActiveRecord::Base.connection.quote(sanitized_query)
+
+    where("search_vector @@ to_tsquery('simple', #{sanitized_query}) AND exchange_mic IS NOT NULL")
+      .select("securities.*, ts_rank_cd(search_vector, to_tsquery('simple', #{sanitized_query})) AS rank")
+      .reorder("rank DESC")
+  }
+
   def current_price
     @current_price ||= Security::Price.find_price(ticker:, date: Date.current)
     return nil if @current_price.nil?
     Money.new(@current_price.price, @current_price.currency)
   end
 
+  def to_combobox_display
+    "#{ticker} - #{name} (#{exchange_acronym})"
+  end
+
+
   private
 
     def upcase_ticker