Add avatar interpolation support

assets/javascripts/discourse/components/wizard-text-editor.js.es6

@@ -6,7 +6,6 @@ import Component from "@ember/component";
 import I18n from "I18n";
 
 const excludedUserProperties = [
-  "avatar",
   "profile_background",
   "card_background",
 ];
@@ -57,7 +56,7 @@ export default Component.extend({
 
   @discourseComputed("wizardActions")
   wizardActionList(wizardActions) {
-    return wizardActions.map((a) => ` w{${a.id}}`);
+    return (wizardActions || []).map((a) => ` w{${a.id}}`);
   },
 
   actions: {

lib/custom_wizard/mapper.rb

@@ -211,6 +211,8 @@ class CustomWizard::Mapper
       user.send(value)
     elsif USER_OPTION_FIELDS.include?(value)
       user.user_option.send(value)
+    elsif value.include?('avatar')
+      get_avatar_url(value)
     else
       nil
     end
@@ -269,4 +271,15 @@ class CustomWizard::Mapper
   def bool(value)
     ActiveRecord::Type::Boolean.new.cast(value)
   end
+
+  def get_avatar_url(value)
+    parts = value.split('.')
+    valid_sizes = Discourse.avatar_sizes.to_a
+
+    if value === 'avatar' || parts.size === 1 || valid_sizes.exclude?(parts.last.to_i)
+      user.small_avatar_url
+    else
+      user.avatar_template_url.gsub("{size}", parts.last)
+    end
+  end
 end

spec/components/custom_wizard/mapper_spec.rb

@@ -1,5 +1,4 @@
 # frozen_string_literal: true
-
 describe CustomWizard::Mapper do
   fab!(:user1) {
     Fabricate(:user,
@@ -254,6 +253,36 @@ describe CustomWizard::Mapper do
         user: user1
       ).perform).to eq("Time: #{Time.now.strftime("%B %-d, %Y")}")
     end
+
+    it "avatar" do
+      expect(CustomWizard::Mapper.new(
+        inputs: inputs['interpolate_avatar'],
+        data: data,
+        user: user1
+      ).perform).to eq("Avatar: ![avatar](#{user1.small_avatar_url})")
+    end
+
+    it "avatar with invalid size" do
+      avatar_inputs = inputs['interpolate_avatar'].dup
+      avatar_inputs[0]["output"] = "Avatar: ![avatar](u{avatar.345})"
+
+      expect(CustomWizard::Mapper.new(
+        inputs: avatar_inputs,
+        data: data,
+        user: user1
+      ).perform).to eq("Avatar: ![avatar](#{user1.small_avatar_url})")
+    end
+
+    it "avatar with valid size" do
+      avatar_inputs = inputs['interpolate_avatar'].dup
+      avatar_inputs[0]["output"] = "Avatar: ![avatar](u{avatar.120})"
+
+      expect(CustomWizard::Mapper.new(
+        inputs: avatar_inputs,
+        data: data,
+        user: user1
+      ).perform).to eq("Avatar: ![avatar](#{user1.avatar_template_url.gsub("{size}", "120")})")
+    end
   end
 
   it "handles greater than pairs" do

spec/fixtures/mapper/inputs.json

@@ -89,6 +89,14 @@
       "output": "Time: v{time}"
     }
   ],
+  "interpolate_avatar": [
+    {
+      "type": "assignment",
+      "output_type": "text",
+      "output_connector": "set",
+      "output": "Avatar: ![avatar](u{avatar})"
+    }
+  ],
   "validation": [
     {
       "type": "validation",