feat:added more persistence code

lib/bds/templates/template.ex

@@ -0,0 +1,34 @@
+defmodule BDS.Templates.Template do
+  @moduledoc false
+
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key {:id, :string, autogenerate: false}
+  @foreign_key_type :string
+
+  schema "templates" do
+    field :slug, :string
+    field :title, :string
+    field :kind, Ecto.Enum, values: [:post, :list, :not_found, :partial]
+    field :enabled, :boolean, default: true
+    field :version, :integer, default: 1
+    field :file_path, :string, default: ""
+    field :status, Ecto.Enum, values: [:draft, :published], default: :draft
+    field :content, :string
+    field :created_at, :integer
+    field :updated_at, :integer
+
+    belongs_to :project, BDS.Projects.Project, type: :string
+  end
+
+  def changeset(template, attrs) do
+    template
+    |> cast(attrs, [:id, :project_id, :slug, :title, :kind, :enabled, :version, :file_path, :status, :content, :created_at, :updated_at],
+      empty_values: [nil]
+    )
+    |> validate_required([:id, :project_id, :slug, :title, :kind, :enabled, :version, :status, :created_at, :updated_at])
+    |> assoc_constraint(:project)
+    |> unique_constraint(:slug, name: :templates_project_slug_idx)
+  end
+end