This commit allows Action Text to be used without having an
ApplicationController defined. In doing so, it also fixes Action Text
attachments to render the correct URL host in mailers.
It also avoids allocating an ActionController::Renderer per request.
Fixes#37183.
Fixes#35578.
Fixes#36963.
Closes#38714.
Co-authored-by: Jeremy Daer <jeremydaer@gmail.com>
This change introduces a rich text object to make
it easier to confirm it context is existing or not.
If we have a class like below.
class Information < ApplicationRecord
has_rich_text :notes
end
Before:
i = Information.new
i.notes? => NoMethodError
i.notes = "Some sample text"
i.notes.present? => true
After:
i = Information.new
i.notes? => false
i.notes = "Some sample text"
i.notes? => true
Fixes that file attachments without captions would not be represented in plain text generated from rich-text content, causing ActionText::RichText#present? to return false.
Closes#36607.
Assigning a has_one association for a persisted record saves the change immediately, so attempting to read a rich-text attribute on a persisted record without a corresponding ActionText::RichText would eagerly create one. Avoid assigning the rich text association to fix.
Failing test before the ActionText::RichText change:
```
Error:
ActionText::ModelTest#test_embed_extraction_only_extracts_file_attachments:
ArgumentError: Could not find or build blob: expected attachable, got #<ActionText::Attachables::RemoteImage:0x00007fb0259fef70 @url="http://example.com/cat.jpg", @content_type="image", @width=nil, @height=nil>
```
