feature: fields Default Option (#88)

Co-authored-by: Adrian Marin <[email protected]>

app/frontend/js/views/ResourceIndex.vue

@@ -312,7 +312,7 @@ export default {
       return this.meta.per_page_steps
     },
     fieldId() {
-      return this.field ? this.field.id : null
+      return this.field ? this.field.id : undefined
     },
   },
   methods: {

lib/avocado/app/fields/field.rb

@@ -21,6 +21,7 @@ class Field
       attr_accessor :block
       attr_accessor :placeholder
       attr_accessor :help
+      attr_accessor :default
 
       def initialize(id, **args, &block)
         super(id, **args, &block)
@@ -46,6 +47,7 @@ def initialize(id, **args, &block)
           format_using: false,
           placeholder: id.to_s.camelize,
           help: nil,
+          default: nil,
         }
 
         # Set the values in the following order
@@ -78,6 +80,15 @@ def fetch_for_resource(model, resource, view)
         # Set initial value
         fields[:value] = model.send(id) if model_or_class(model) == 'model' and model.methods.include? id
 
+        # Set default value for create view
+        if view === :create
+          if fields[:default].present? and fields[:default].respond_to? :call
+            fields[:value] = fields[:default].call model, resource, view, self
+          else
+            fields[:value] = fields[:default]
+          end
+        end
+
         # Run callback block if present
         if computable and @block.present?
           fields[:computed_value] = @block.call model, resource, view, self

lib/avocado/app/fields/hidden_field.rb

@@ -10,7 +10,7 @@ def initialize(name, **args, &block)
 
         super(name, **args, &block)
 
-        only_on :edit
+        only_on [:edit, :create]
       end
     end
   end

spec/dummy/app/services/avocado/resources/team.rb

@@ -9,7 +9,7 @@ def initialize
       fields do
         id
         text :name
-        textarea :description, rows: 5, readonly: false, hide_on: :index, format_using: -> (value) { value.to_s.truncate 30 }, required: true
+        textarea :description, rows: 5, readonly: false, hide_on: :index, format_using: -> (value) { value.to_s.truncate 30 }, required: true, default: 'This team is wonderful!'
 
         number :members_count do |model|
           model.members.count

spec/dummy/app/services/avocado/resources/team_membership.rb

@@ -8,7 +8,7 @@ def initialize
 
       fields do
         id
-        select :level, options: { beginner: 'Beginner', intermediate: 'Intermediate', advanced: 'Advanced' }
+        select :level, options: { beginner: 'Beginner', intermediate: 'Intermediate', advanced: 'Advanced' }, default: -> (model, resource, view, field) { Time.now.hour < 12 ? 'advanced' : 'beginner' }
         belongs_to :user
         belongs_to :team
       end

spec/dummy/app/services/avocado/resources/user.rb

@@ -29,7 +29,7 @@ def initialize
         heading '<div class="text-gray-300 uppercase font-bold">DEV</div>', as_html: true
         code :custom_css, theme: 'dracula', language: 'css', help: "This enables you to edit the user's custom styles."
 
-        hidden :team_id # For testing purposes
+        hidden :team_id, default: 0 # For testing purposes
 
         has_and_belongs_to_many :projects
         has_many :posts

spec/system/avocado/default_field_spec.rb

@@ -0,0 +1,72 @@
+require 'rails_helper'
+
+RSpec.describe 'DefaultField', type: :system do
+  describe 'with a default value (team - description)' do
+
+    context 'create' do
+      it 'checks presence of default team description' do
+        visit '/avocado/resources/teams/new'
+        wait_for_loaded
+
+        expect(find("[field-id='description'] [data-slot='value'] textarea").value).to have_text 'This team is wonderful!'
+      end
+
+      it 'saves team and checks for default team description value' do
+        visit '/avocado/resources/teams/new'
+        wait_for_loaded
+
+        expect(Team.count).to eql 0
+
+        fill_in 'name', with: 'Joshua Josh'
+
+        click_on 'Save'
+        wait_for_loaded
+
+        expect(current_path).to eql "/avocado/resources/teams/#{Team.last.id}"
+        expect(find_field_element(:description)).to have_text 'This team is wonderful!'
+      end
+    end
+  end
+
+  describe 'with a computable default value (team_membership - level)' do
+    let!(:user) { create :user, first_name: 'Mihai', last_name: 'Marin' }
+    let!(:team) { create :team, name: 'Apple' }
+
+    context 'create' do
+      it 'checks presence of default team membership level' do
+        visit '/avocado/resources/team_memberships/new'
+        wait_for_loaded
+
+        if Time.now.hour < 12
+          expect(find_field_element(:level)).to have_text 'Advanced'
+        else
+          expect(find_field_element(:level)).to have_text 'Beginner'
+        end
+      end
+
+      it 'saves team membership and checks for default team membership level value' do
+        visit '/avocado/resources/team_memberships/new'
+        wait_for_loaded
+
+        expect(TeamMembership.count).to eql 0
+
+        select 'Mihai Marin', from: :user
+        select 'Apple', from: :team
+
+        click_on 'Save'
+        wait_for_loaded
+
+        expect(current_path).to eql "/avocado/resources/team_memberships/#{TeamMembership.last.id}"
+
+        if Time.now.hour < 12
+          expect(find_field_element(:level)).to have_text 'advanced'
+        else
+          expect(find_field_element(:level)).to have_text 'beginner'
+        end
+
+        expect(find_field_element(:user)).to have_text 'Mihai Marin'
+        expect(find_field_element(:team)).to have_text 'Apple'
+      end
+    end
+  end
+end