Dynamically update the link with estimate id

app/views/customers/_actions.html.erb

@@ -1,15 +1,73 @@
 <%= call_hook :customer_actions_top, { customer: @customer } %>
 
-<%= link_to t(:label_create_estimate), "https://qbo.intuit.com/app/estimate?nameId=#{@customer.id}", target: :_blank %>
+<p>
+    <%= link_to t(:label_new_issue), new_issue_path(issue: { customer_id: @customer.id }), id: "dynamic-new-issue-link", target: :_blank %>
+</p>
 
-<br/>
-<br/>
+<p>
+  <%= link_to t(:label_create_estimate), "https://qbo.intuit.com/app/estimate?nameId=#{@customer.id}", target: :_blank %>
+</p>
 
-<%= link_to t(:label_create_payment), "https://qbo.intuit.com/app/recvpayment?nameId=#{@customer.id}", target: :_blank %>
-
-<br/>
-<br/>
+<p>
+  <%= link_to t(:label_create_payment), "https://qbo.intuit.com/app/recvpayment?nameId=#{@customer.id}", target: :_blank %>
+</p>
 
 <%= call_hook :customer_actions_bottom, { customer: @customer } %>
 
 <%= button_to t(:label_edit_customer), edit_customer_path(@customer), method: :get%> 
+
+<script>
+  function handleSingleSelect(event, className) {
+    if (event.target.checked) {
+      // Uncheck all other checkboxes of the same type
+      document.querySelectorAll('.' + className).forEach(cb => {
+        if (cb !== event.target) {
+          cb.checked = false;
+        }
+      });
+    }
+    updateLink();
+  }
+
+  // Bind single-select behavior to checkboxes once the DOM is loaded
+  document.addEventListener('DOMContentLoaded', function() {
+    document.querySelectorAll('.estimate-checkbox').forEach(cb => {
+      cb.addEventListener('change', (e) => handleSingleSelect(e, 'estimate-checkbox'));
+    });
+    document.querySelectorAll('.vehicle-checkbox').forEach(cb => {
+      cb.addEventListener('change', (e) => handleSingleSelect(e, 'vehicle-checkbox'));
+    });
+  });
+
+  function updateLink() {
+    const link = document.getElementById('dynamic-new-issue-link');
+    if (!link) return;
+
+    // Cache the pristine base URL on first run
+    if (!link.dataset.baseUrl) {
+      link.dataset.baseUrl = link.getAttribute('href');
+    }
+
+    // Build base URL object
+    let url = new URL(link.dataset.baseUrl, window.location.origin);
+
+    // 1. Handle Single Estimate
+    const checkedEstimate = document.querySelector('.estimate-checkbox:checked');
+    if (checkedEstimate) {
+      url.searchParams.set('issue[estimate_id]', checkedEstimate.value);
+    } else {
+      url.searchParams.delete('issue[estimate_id]');
+    }
+
+    // 2. Handle Single Vehicle
+    const checkedVehicle = document.querySelector('.vehicle-checkbox:checked');
+    if (checkedVehicle) {
+      url.searchParams.set('issue[vehicle_id]', checkedVehicle.value);
+    } else {
+      url.searchParams.delete('issue[vehicle_id]');
+    }
+
+    // Update the link's href attribute
+    link.setAttribute('href', url.toString());
+  }
+</script>

app/views/estimates/_list.html.erb

@@ -2,7 +2,7 @@
 
   <% estimates.sort.reverse.each do |estimate| %>
     <div class="row">
-      <%= check_box_tag "estimate_ids[]", estimate.id, false,  onchange: "updateLink()",  data: { url: estimate_path(estimate), text: "Estimate ##{estimate.to_s}" }, class: "estimate-checkbox appointment" %>
+      <%= check_box_tag "estimate_ids[]", estimate.id, false, onchange: "updateLink()", data: { text: "Estimate ##{estimate.doc_number}" }, class: "estimate-checkbox appointment" %>
       <b><%= link_to "##{estimate.doc_number}", estimate_path(estimate), target: :_blank %></b> <%= estimate.txn_date %>
     </div>
   <% end %>

config/locales/en.yml

@@ -65,6 +65,7 @@ en:
   label_model: "Model"
   label_name: "Name"
   label_new_customer: "New Customer"
+  label_new_issue: "New Issue"
   label_qbo_never_synced: "Never Synced"
   label_no_customers: "There are no customers matching the search term(s)."
   label_no_estimates: "No Estimates"

lib/redmine_qbo/patches/attachments_controller_patch.rb

@@ -11,27 +11,51 @@
 module RedmineQbo
   module Patches
     module AttachmentsControllerPatch
-      module Helper
-        # Check if login is globally required to access the application
-        def check_if_login_required
-          # Return true if the user is already logged in
-          return true if User.current.logged?
-
-          # Pull up the attachment and verify if we have a valid token for the issue
-          attachment = Attachment.find_by(id: params[:id])
-          return require_login if attachment.nil?
-
-          token = CustomerToken.where("token = ? AND expires_at > ?", session[:token], Time.current).first
-          return true if token&.issue_id == attachment.container_id
-
-          # Default to requiring login if all else fails
-          require_login if Setting.login_required?
-        end
-      end
-
       def self.apply
         AttachmentsController.class_eval do
-          helper Helper
+          # 1. PREPEND: Must run before ANY of Redmine's ApplicationController filters
+          prepend_before_action :set_customer_token_thread
+
+          # 2. Skip global login redirects if the user holds a valid token for this file
+          skip_before_action :check_if_login_required, if: :valid_customer_token?
+          skip_before_action :check_project_privacy, raise: false, if: :valid_customer_token?
+
+          # Note: We do NOT need to skip :read_authorize anymore. 
+          # Because we patched Attachment#visible?, read_authorize will pass naturally!
+
+          private
+
+          def set_customer_token_thread
+            if session[:token].present?
+              Thread.current[:customer_token] = CustomerToken.active.find_by(token: session[:token])
+            end
+          end
+
+          def valid_customer_token?
+            token = Thread.current[:customer_token]
+            return false unless token
+
+            # Handle "Download All" zip requests (object_type=issues, object_id=ID)
+            if params[:action] == 'download_all'
+              return params[:object_type] == 'issues' && params[:object_id].to_i == token.issue_id
+            end
+
+            # Handle normal single attachment requests (show, download, thumbnail)
+            attachment = Attachment.find_by(id: params[:id])
+            return false unless attachment
+
+            # Allow if attachment belongs directly to the Issue
+            if attachment.container_type == 'Issue' && attachment.container_id == token.issue_id
+              return true
+            end
+            
+            # Allow if attachment belongs to a Journal (comment) on the Issue
+            if attachment.container_type == 'Journal' && attachment.container.journalized_type == 'Issue' && attachment.container.journalized_id == token.issue_id
+              return true
+            end
+            
+            false
+          end
         end
       end
     end