Add category scoping field to topics selector

app/controllers/custom_wizard/admin/wizard.rb

@@ -115,6 +115,7 @@ class CustomWizard::AdminWizardController < CustomWizard::AdminController
           :preview_template,
           :placeholder,
           :can_create_tag,
+          :category,
           prefill: mapped_params,
           content: mapped_params,
           condition: mapped_params,

app/serializers/custom_wizard/wizard_field_serializer.rb

@@ -18,6 +18,7 @@ class CustomWizard::FieldSerializer < ::ApplicationSerializer
              :content,
              :tag_groups,
              :can_create_tag,
+             :category,
              :validations,
              :max_length,
              :char_counter,

assets/javascripts/discourse/components/custom-wizard-topic-selector.js.es6

@@ -42,6 +42,13 @@ export default MultiSelectComponent.extend({
     searchParams.restrictToArchetype = "regular";
     searchParams.searchForId = true;
 
+    if (this.category) {
+      searchParams.searchContext = {
+        type: "category",
+        id: this.category,
+      };
+    }
+
     return searchForTerm(filter, searchParams).then((results) => {
       if (results?.posts?.length > 0) {
         return results.posts.mapBy("topic");

assets/javascripts/discourse/components/wizard-custom-field.js.es6

@@ -164,5 +164,9 @@ export default Component.extend(UndoChanges, {
         "field.image_upload_id": null,
       });
     },
+
+    changeCategory(category) {
+      this.set("field.category", category?.id);
+    },
   },
 });

assets/javascripts/discourse/lib/wizard-schema.js.es6

@@ -73,6 +73,7 @@ const field = {
     type: null,
     condition: null,
     tag_groups: null,
+    category: null,
   },
   types: {},
   mapped: ["prefill", "content", "condition", "index"],

assets/javascripts/discourse/templates/components/custom-wizard-field-topic.hbs

@@ -1,5 +1,6 @@
 {{custom-wizard-topic-selector
   topics=topics
+  category=field.category
   onChange=(action "setValue")
   options=(hash maximum=field.limit)
 }}

assets/javascripts/discourse/templates/components/wizard-custom-field.hbs

@@ -245,6 +245,25 @@
   </div>
 {{/if}}
 
+{{#if isTopic}}
+  <div class="setting full field-mapper-setting">
+    <div class="setting-label">
+      <label>{{i18n "admin.wizard.field.category.label"}}</label>
+    </div>
+
+    <div class="setting-value">
+      <CategoryChooser
+        @value={{this.field.category}}
+        @onChangeCategory={{action "changeCategory"}}
+        @options={{hash
+          none="admin.wizard.field.category.none"
+          autoInsertNoneItem=true
+        }}
+      />
+    </div>
+  </div>
+{{/if}}
+
 {{#wizard-subscription-container}}
   <div class="setting full field-mapper-setting">
     <div class="setting-label">

config/locales/client.en.yml

@@ -282,6 +282,9 @@ en:
           content: "Content"
           tag_groups: "Tag Groups"
           can_create_tag: "Can Create Tag"
+          category:
+            label: "Category"
+            none: "Limit to a category..."
           date_time_format:
             label: "Format"
             instructions: "<a href='https://momentjs.com/docs/#/displaying/format/' target='_blank'>Moment.js format</a>"

lib/custom_wizard/builder.rb

@@ -143,6 +143,10 @@ class CustomWizard::Builder
       params[:property] = field_template['property']
     end
 
+    if field_template['type'] === 'topic'
+      params[:category] = field_template['category']
+    end
+
     if (content_inputs = field_template['content']).present?
       content = CustomWizard::Mapper.new(
         inputs: content_inputs,

lib/custom_wizard/field.rb

@@ -22,6 +22,7 @@ class CustomWizard::Field
               :property,
               :content,
               :tag_groups,
+              :category,
               :can_create_tag,
               :preview_template,
               :placeholder
@@ -53,6 +54,7 @@ class CustomWizard::Field
     @property = attrs[:property]
     @content = attrs[:content]
     @tag_groups = attrs[:tag_groups]
+    @category = attrs[:category]
     @can_create_tag = attrs[:can_create_tag]
     @preview_template = attrs[:preview_template]
     @placeholder = attrs[:placeholder]
@@ -132,7 +134,8 @@ class CustomWizard::Field
       topic: {
         limit: 1,
         prefill: nil,
-        content: nil
+        content: nil,
+        category: nil
       },
       group: {
         prefill: nil,