robyurkowski · December 10, 2014 13:31 · Dec 10, 2014
diff --git a/application_helper.rb b/application_helper.rb
@@ -0,0 +1,3 @@
+  def publish_form(slug_unique, publishable, document)
+    PublishFormRenderer.render(slug_unique: slug_unique, publishable: publishable, document: document, context: self)
+  end
diff --git a/publish_form_renderer.rb b/publish_form_renderer.rb
@@ -0,0 +1,82 @@
+PublishFormLocals = Struct.new(:warning, :notification, :disabled, :document)
+
+class PublishFormRenderer
+  class << self
+    def render(*args)
+      new(*args).render
+    end
+  end
+
+
+  attr_accessor :slug_unique,
+                :slug_not_unique,
+                :publishable,
+                :not_publishable,
+                :document,
+                :context,
+                :form_locals
+
+
+  def initialize(slug_unique:, publishable:, document:, context:)
+    self.slug_unique = slug_unique
+    self.slug_not_unique = !slug_unique
+    self.publishable = publishable
+    self.not_publishable = !publishable
+    self.document = document
+    self.context = context
+    self.form_locals = PublishFormLocals.new(disabled: false)
+  end
+
+
+  def render
+    set_errors if current_user_cant_publish(document.document_type) || slug_not_unique || not_publishable
+    set_warnings if publishable
+
+    context.render(partial: "specialist_documents/publish_form", locals: form_locals.to_h)
+  end
+
+
+  def set_errors
+    form_locals.disabled = true
+    form_locals.warning = "You can't publish this document"
+
+    form_locals.notification = if current_user_cant_publish(document.document_type)
+      "You don't have permission to publish."
+    elsif not_publishable
+      "There's no changes to publish."
+    elsif slug_not_unique
+      "This document as a duplicate slug.<br />\nYou need to #{context.link_to "edit the document", [:edit, document]} and change the title to be able to be published".html_safe
+    end
+  end
+
+
+  def set_warnings
+    form_locals.notification = "This will email subscribers to #{context.current_finder[:title]}."
+
+    if document_change_note_given?
+      warn_major_change
+    elsif minor_update?
+      notify_minor_change
+    end
+  end
+
+
+  def warn_major_change
+    form_locals.warning = "You are about to publish a <strong>major edit</strong> with a public change note.".html_safe
+  end
+
+
+  def notify_minor_change
+    form_locals.notification = "You are about to publish a <strong>minor edit</strong>.".html_safe
+  end
+
+
+  def document_change_note_given?
+    document.change_note.present?
+  end
+
+
+  def minor_update?
+    document.minor_update
+  end
+end
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