Add model foundation for classifications

Taxonomy > Category > Section

This commit adds models for it.

https://doc.incommon.cc/#classifications

1 files changed, 14 insertions, 0 deletions

diff --git a/app/models/category.rb b/app/models/category.rb
new file mode 100644
index 0000000..b8c49f1
--- /dev/null
+++ b/app/models/category.rb
@@ -0,0 +1,14 @@
+class Category < ApplicationRecord
+  belongs_to :taxonomy
+  has_many :sections,
+           -> { order(rank: :asc) },
+           dependent: :destroy,
+           inverse_of: :category
+
+  acts_as_list column: :rank, scope: :taxonomy
+
+  validates :name,
+            presence: true,
+            uniqueness: { scope: :taxonomy_id },
+            length: 3..64
+end