Add attachments

1 files changed, 30 insertions, 0 deletions

diff --git a/lib/active_vault/attachments.rb b/lib/active_vault/attachments.rb
new file mode 100644
index 0000000000..c66c142650
--- /dev/null
+++ b/lib/active_vault/attachments.rb
@@ -0,0 +1,30 @@
+require "active_vault/attachment"
+require "action_dispatch/http/upload"
+
+module ActiveVault::Attachments
+  def has_file(name)
+    define_method(name) do
+      (@active_vault_attachments ||= {})[name] ||=
+        ActiveVault::Attachment.find_by(record_gid: to_gid.to_s, name: name)&.tap { |a| a.record = self }
+    end
+
+    define_method(:"#{name}=") do |attachable|
+      case attachable
+      when ActiveVault::Blob
+        blob = attachable
+      when ActionDispatch::Http::UploadedFile
+        blob = ActiveVault::Blob.create_after_upload! \
+          io: attachable.open,
+          filename: attachable.original_filename,
+          content_type: attachable.content_type
+      when Hash
+        blob = ActiveVault::Blob.create_after_upload!(attachable)
+      when NilClass
+        blob = nil
+      end
+
+      (@active_vault_attachments ||= {})[name] = blob ?
+        ActiveVault::Attachment.create!(record_gid: to_gid.to_s, name: name, blob: blob)&.tap { |a| a.record = self } : nil
+    end
+  end
+end