Create a belongs_to record from the associated record screen

.gitignore

@@ -73,3 +73,4 @@ app/assets/builds
 
 TAGS
 brakeman_results.html
+.idea/*

app/components/avo/fields/belongs_to_field/edit_component.html.erb

@@ -1,115 +1,137 @@
-<% if is_polymorphic? %>
-  <%
-    # Set the model keys so we can pass them over
-    model_keys = @field.types.map do |type|
-      resource = Avo::App.get_resource_by_model_name(type.to_s)
-      [type.to_s, resource.model_key]
-    end.to_h
-  %>
-  <div class="divide-y"
-    data-controller="belongs-to-field"
-    data-searchable="<%= @field.searchable %>"
-    data-association="<%= @field.id %>"
-    data-association-class="<%= @field&.target_resource&.model_class || nil %>"
-  >
-    <%= field_wrapper **field_wrapper_args, help: @field.polymorphic_help || '' do %>
-      <%= @form.select @field.type_input_foreign_key, @field.types.map { |type| [::Avo::App.get_resource_by_model_name(type.to_s).name, type.to_s] },
-      {
-        value: @field.value,
-        include_blank: @field.placeholder,
-      },
-      {
-        class: classes("w-full"),
-        data: {
-          **@field.get_html(:data, view: view, element: :input),
-          action: "change->belongs-to-field#changeType #{field_html_action}",
-          'belongs-to-field-target': "select",
-        },
-        disabled: disabled
-      }
+<div data-controller="reload-belongs-to-field"
+     data-action="turbo:before-stream-render@document->reload-belongs-to-field#beforeStreamRender"
+     data-reload-belongs-to-field-polymorphic-value="<%= is_polymorphic? %>"
+     data-reload-belongs-to-field-searchable-value="<%= @field.searchable %>"
+     data-reload-belongs-to-field-relation-name-value="<%= @field.id %>"
+     data-reload-belongs-to-field-target-name-value="<%= form.object_name %>[<%= @field.id_input_foreign_key %>]"
+>
+  <% if is_polymorphic? %>
+    <%
+      # Set the model keys so we can pass them over
+      model_keys = @field.types.map do |type|
+        resource = Avo::App.get_resource_by_model_name(type.to_s)
+        [type.to_s, resource.model_key]
+      end.to_h
     %>
-      <%
-        # If the select field is disabled, no value will be sent. It's how HTML works.
-        # Thus the extra hidden field to actually send the related id to the server.
-        if disabled %>
-        <%= @form.hidden_field @field.type_input_foreign_key %>
+    <div class="divide-y"
+      data-controller="belongs-to-field"
+      data-searchable="<%= @field.searchable %>"
+      data-association="<%= @field.id %>"
+      data-association-class="<%= @field&.target_resource&.model_class || nil %>"
+    >
+      <%= field_wrapper **field_wrapper_args, help: @field.polymorphic_help || '' do %>
+        <%= @form.select @field.type_input_foreign_key, @field.types.map { |type| [::Avo::App.get_resource_by_model_name(type.to_s).name, type.to_s] },
+        {
+          value: @field.value,
+          include_blank: @field.placeholder,
+        },
+        {
+          class: classes("w-full"),
+          data: {
+            **@field.get_html(:data, view: view, element: :input),
+            action: "change->belongs-to-field#changeType #{field_html_action}",
+            'belongs-to-field-target': "select",
+          },
+          disabled: disabled
+        }
+      %>
+        <%
+          # If the select field is disabled, no value will be sent. It's how HTML works.
+          # Thus the extra hidden field to actually send the related id to the server.
+          if disabled %>
+          <%= @form.hidden_field @field.type_input_foreign_key %>
+        <% end %>
       <% end %>
-    <% end %>
-    <% @field.types.each do |type| %>
-      <div class="hidden"
-        data-belongs-to-field-target="type"
-        data-type="<%= type %>"
-      >
-        <%= field_wrapper **field_wrapper_args, label: ::Avo::App.get_resource_by_model_name(type.to_s).name do %>
-          <% if @field.searchable %>
-            <%= render Avo::Fields::BelongsToField::AutocompleteComponent.new form: @form,
-              disabled: disabled,
-              field: @field,
-              foreign_key: @field.id_input_foreign_key,
-              model_key: model_keys[type.to_s],
-              polymorphic_record: polymorphic_record,
-              resource: @resource,
-              style: @field.get_html(:style, view: view, element: :input),
-              type: type,
-              classes: classes("w-full"),
-              view: view
+      <% @field.types.each do |type| %>
+        <div class="hidden"
+          data-belongs-to-field-target="type"
+          data-type="<%= type %>"
+        >
+          <%= field_wrapper **field_wrapper_args, label: ::Avo::App.get_resource_by_model_name(type.to_s).name do %>
+            <div class="flex flex-col gap-1">
+              <% if @field.searchable %>
+                <%= render Avo::Fields::BelongsToField::AutocompleteComponent.new form: @form,
+                  disabled: disabled,
+                  field: @field,
+                  foreign_key: @field.id_input_foreign_key,
+                  model_key: model_keys[type.to_s],
+                  polymorphic_record: polymorphic_record,
+                  resource: @resource,
+                  style: @field.get_html(:style, view: view, element: :input),
+                  type: type,
+                  classes: classes("w-full"),
+                  view: view
+              %>
+              <% else %>
+                <%= @form.select @field.id_input_foreign_key,
+                options_for_select(@field.values_for_type(type), @resource.present? && @resource.model.present? ? @resource.model[@field.id_input_foreign_key] : nil),
+                {
+                  value: @resource.model[@field.id_input_foreign_key].to_s,
+                  include_blank: @field.placeholder,
+                },
+                {
+                  class: classes("w-full"),
+                  data: @field.get_html(:data, view: view, element: :input),
+                  disabled: disabled
+                }
+              %>
+                <%
+                # If the select field is disabled, no value will be sent. It's how HTML works.
+                # Thus the extra hidden field to actually send the related id to the server.
+                if disabled %>
+                  <%= @form.hidden_field @field.id_input_foreign_key %>
+                <% end %>
+              <% end %>
+              <% create_href = create_path(::Avo::App.get_resource_by_model_name(type.to_s)) %>
+              <% if !disabled && create_href.present? %>
+                <%= link_to t("avo.create_new_item", item: type.to_s.downcase),
+                            create_href,
+                            class: "text-sm"
+                %>
+              <% end %>
+            </div>
+          <% end %>
+        </div>
+      <% end %>
+    </div>
+  <% else %>
+    <%= field_wrapper **field_wrapper_args do %>
+      <div class="flex flex-col gap-1">
+        <% if @field.searchable %>
+          <%= render Avo::Fields::BelongsToField::AutocompleteComponent.new form: @form,
+            field: @field,
+            model_key: @field.target_resource&.model_key,
+            foreign_key: @field.id_input_foreign_key,
+            resource: @resource,
+            disabled: disabled,
+            classes: classes("w-full"),
+            view: view,
+            style: @field.get_html(:style, view: view, element: :input)
           %>
-          <% else %>
-            <%= @form.select @field.id_input_foreign_key,
-            options_for_select(@field.values_for_type(type), @resource.present? && @resource.model.present? ? @resource.model[@field.id_input_foreign_key] : nil),
+        <% else %>
+          <%= @form.select @field.id_input_foreign_key, @field.options,
             {
-              value: @resource.model[@field.id_input_foreign_key].to_s,
               include_blank: @field.placeholder,
+              value: @field.value
             },
             {
               class: classes("w-full"),
               data: @field.get_html(:data, view: view, element: :input),
-              disabled: disabled
+              disabled: disabled,
+              style: @field.get_html(:style, view: view, element: :input)
             }
           %>
-            <%
+          <%
             # If the select field is disabled, no value will be sent. It's how HTML works.
             # Thus the extra hidden field to actually send the related id to the server.
             if disabled %>
-              <%= @form.hidden_field @field.id_input_foreign_key %>
-            <% end %>
+            <%= @form.hidden_field @field.id_input_foreign_key %>
           <% end %>
         <% end %>
+        <% if !disabled && create_path.present? %>
+          <%= link_to t("avo.create_new_item", item: @field.name.downcase), create_path, class: "text-sm" %>
+        <% end %>
       </div>
     <% end %>
-  </div>
-<% else %>
-  <%= field_wrapper **field_wrapper_args do %>
-    <% if @field.searchable %>
-      <%= render Avo::Fields::BelongsToField::AutocompleteComponent.new form: @form,
-        field: @field,
-        model_key: @field.target_resource&.model_key,
-        foreign_key: @field.id_input_foreign_key,
-        resource: @resource,
-        disabled: disabled,
-        classes: classes("w-full"),
-        view: view,
-        style: @field.get_html(:style, view: view, element: :input)
-      %>
-    <% else %>
-      <%= @form.select @field.id_input_foreign_key, @field.options,
-        {
-          include_blank: @field.placeholder,
-          value: @field.value
-        },
-        {
-          class: classes("w-full"),
-          data: @field.get_html(:data, view: view, element: :input),
-          disabled: disabled,
-          style: @field.get_html(:style, view: view, element: :input)
-        }
-      %>
-      <%
-        # If the select field is disabled, no value will be sent. It's how HTML works.
-        # Thus the extra hidden field to actually send the related id to the server.
-        if disabled %>
-        <%= @form.hidden_field @field.id_input_foreign_key %>
-      <% end %>
-    <% end %>
   <% end %>
-<% end %>
+</div>

app/components/avo/fields/belongs_to_field/edit_component.rb

@@ -57,6 +57,17 @@ def field_html_action
     @field.get_html(:data, view: view, element: :input).fetch(:action, nil)
   end
 
+  def create_path(target_resource = nil)
+    return nil if @resource.blank?
+
+    helpers.new_resource_path(**{
+      via_relation: @field.id.to_s,
+      resource: target_resource || @field.target_resource,
+      via_resource_id: resource.model.id,
+      via_belongs_to_resource_class: resource.class.name
+    }.compact)
+  end
+
   private
 
   def visit_through_association?

app/components/avo/referrer_params_component.html.erb

@@ -3,4 +3,5 @@
 <%= hidden_field_tag :via_resource_class, params[:via_resource_class] if params[:via_resource_class] %>
 <%= hidden_field_tag :via_resource_id, params[:via_resource_id] if params[:via_resource_id] %>
 <%= hidden_field_tag :via_relation, params[:via_relation] if params[:via_relation] %>
+<%= hidden_field_tag :via_belongs_to_resource_class, params[:via_belongs_to_resource_class] if params[:via_belongs_to_resource_class] %>
 <%= hidden_field_tag :referrer, back_path if params[:via_resource_class] %>

app/components/avo/views/resource_edit_component.html.erb

@@ -1,4 +1,5 @@
 <%= content_tag :div,
+  class: class_names({ "w-full": params[:via_belongs_to_resource_class].present? }),
   data: {
     model_name: @resource.model_name.to_s,
     resource_name: @resource.class.to_s,
@@ -18,7 +19,7 @@
     multipart: true do |form| %>
     <%= render Avo::ReferrerParamsComponent.new back_path: back_path %>
     <%= content_tag :div, class: 'space-y-12' do %>
-      <%= render Avo::PanelComponent.new(name: title, description: @resource.resource_description, display_breadcrumbs: @reflection.blank?, index: 0, data: { panel_id: "main" }) do |c| %>
+      <%= render Avo::PanelComponent.new(name: title, description: @resource.resource_description, display_breadcrumbs: display_breadcrumbs?, index: 0, data: { panel_id: "main" }) do |c| %>
         <% c.with_tools do %>
           <%= a_link back_path,
             style: :text,

app/components/avo/views/resource_edit_component.rb

@@ -4,18 +4,20 @@ class Avo::Views::ResourceEditComponent < Avo::ResourceComponent
   include Avo::ResourcesHelper
   include Avo::ApplicationHelper
 
-  def initialize(resource: nil, model: nil, actions: [], view: :edit)
+  def initialize(resource: nil, model: nil, actions: [], view: :edit, display_breadcrumbs: true)
     @resource = resource
     @model = model
     @actions = actions
     @view = view
+    @display_breadcrumbs = display_breadcrumbs
   end
 
   def title
     @resource.default_panel_name
   end
 
   def back_path
+    return resource_edit_or_new_path if via_belongs_to?
     return resource_view_path if via_resource?
     return resources_path if via_index?
 
@@ -34,6 +36,23 @@ def resource_view_path
     helpers.resource_view_path(model: association_resource.model, resource: association_resource)
   end
 
+  def resource_edit_or_new_path
+    modal_id = "new_via_belongs_to"
+
+    if params[:via_resource_id].present?
+      # Back to edit path with param indicating turbo stream should simply close modal
+      related_resource = params[:via_belongs_to_resource_class].constantize.new
+      related_record = related_resource.model_class.find(params[:via_resource_id])
+      helpers.edit_resource_path(resource: related_resource,
+                                 model: related_record,
+                                 close_modal: modal_id)
+    else
+      # Back to new path with param indicating turbo stream should close modal
+      helpers.new_resource_path(resource: @resource,
+                                close_modal: modal_id)
+    end
+  end
+
   def can_see_the_destroy_button?
     return super if is_edit? && Avo.configuration.resource_default_view == :edit
 
@@ -46,12 +65,20 @@ def can_see_the_save_button?
     @resource.authorization.authorize_action @view, raise_exception: false
   end
 
+  def display_breadcrumbs?
+    @reflection.blank? && @display_breadcrumbs
+  end
+
   private
 
   def via_index?
     params[:via_view] == "index"
   end
 
+  def via_belongs_to?
+    params[:via_belongs_to_resource_class].present?
+  end
+
   def is_edit?
     view.in?([:edit, :update])
   end

app/controllers/avo/actions_controller.rb

@@ -132,7 +132,7 @@ def keep_modal_open(messages)
 
       respond_to do |format|
         format.turbo_stream do
-          render "keep_modal_open"
+          render partial: "avo/partials/keep_modal_open"
         end
       end
     end