feat: first entities in database

lib/bds/posts/post.ex

@@ -0,0 +1,74 @@
+defmodule BDS.Posts.Post do
+  @moduledoc false
+
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  alias BDS.Types.StringList
+
+  @primary_key {:id, :string, autogenerate: false}
+  @foreign_key_type :string
+  @statuses [:draft, :published, :archived]
+
+  schema "posts" do
+    belongs_to :project, BDS.Projects.Project, type: :string
+
+    field :title, :string
+    field :slug, :string
+    field :excerpt, :string
+    field :content, :string
+    field :status, Ecto.Enum, values: @statuses, default: :draft
+    field :author, :string
+    field :created_at, :integer
+    field :updated_at, :integer
+    field :published_at, :integer
+    field :file_path, :string, default: ""
+    field :checksum, :string
+    field :tags, StringList, default: []
+    field :categories, StringList, default: []
+    field :template_slug, :string
+    field :language, :string
+    field :do_not_translate, :boolean, default: false
+    field :published_title, :string
+    field :published_content, :string
+    field :published_tags, :string
+    field :published_categories, :string
+    field :published_excerpt, :string
+  end
+
+  def changeset(post, attrs) do
+    post
+    |> cast(
+      attrs,
+      [
+        :id,
+        :project_id,
+        :title,
+        :slug,
+        :excerpt,
+        :content,
+        :status,
+        :author,
+        :created_at,
+        :updated_at,
+        :published_at,
+        :file_path,
+        :checksum,
+        :tags,
+        :categories,
+        :template_slug,
+        :language,
+        :do_not_translate,
+        :published_title,
+        :published_content,
+        :published_tags,
+        :published_categories,
+        :published_excerpt
+      ],
+      empty_values: [nil]
+    )
+    |> validate_required([:id, :project_id, :slug, :status, :created_at, :updated_at, :do_not_translate])
+    |> assoc_constraint(:project)
+    |> unique_constraint(:slug, name: :posts_project_slug_idx)
+  end
+end