Update link to Immich search on the trip page

app/helpers/application_helper.rb

@@ -110,4 +110,14 @@ module ApplicationHelper
   def human_date(date)
     date.strftime('%e %B %Y')
   end
+
+  def immich_search_url(base_url, start_date, end_date)
+    query = {
+      takenAfter: "#{start_date.to_date}T00:00:00.000Z",
+      takenBefore: "#{end_date.to_date}T23:59:59.999Z"
+    }
+
+    encoded_query = URI.encode_www_form_component(query.to_json)
+    "#{base_url}/search?query=#{encoded_query}"
+  end
 end

app/views/trips/show.html.erb

@@ -65,7 +65,7 @@
         <% end %>
 
         <div class="text-center mt-6">
-          <%= link_to "More photos on Immich", "#", class: "btn btn-primary" %>
+          <%= link_to "More photos on Immich", immich_search_url(current_user.settings['immich_url'], @trip.started_at, @trip.ended_at), class: "btn btn-primary", target: '_blank' %>
         </div>
       </div>
     </div>