initial shift template migration & schema working with user field/assoc for default shift template

lib/shift73k/accounts/user.ex

@@ -3,6 +3,8 @@ defmodule Shift73k.Accounts.User do
   import Ecto.Changeset
   import EctoEnum
 
+  alias Shift73k.ShiftTemplates.ShiftTemplate
+
   @roles [
     user: "Basic user level",
     manager: "Can create users, update user emails & passwords",
@@ -25,6 +27,11 @@ defmodule Shift73k.Accounts.User do
     field(:confirmed_at, :naive_datetime)
 
     field(:role, RolesEnum, default: :user)
+
+    has_many(:shift_templates, ShiftTemplate)
+    # has_one(:default_shift_template, ShiftTemplate, references: :default_shift_template_id)
+    belongs_to(:default_shift_template, ShiftTemplate)
+
     timestamps()
   end
 

lib/shift73k/shift_templates.ex

@@ -0,0 +1,104 @@
+defmodule Shift73k.ShiftTemplates do
+  @moduledoc """
+  The ShiftTemplates context.
+  """
+
+  import Ecto.Query, warn: false
+  alias Shift73k.Repo
+
+  alias Shift73k.ShiftTemplates.ShiftTemplate
+
+  @doc """
+  Returns the list of shift_templates.
+
+  ## Examples
+
+      iex> list_shift_templates()
+      [%ShiftTemplate{}, ...]
+
+  """
+  def list_shift_templates do
+    Repo.all(ShiftTemplate)
+  end
+
+  @doc """
+  Gets a single shift_template.
+
+  Raises `Ecto.NoResultsError` if the Shift template does not exist.
+
+  ## Examples
+
+      iex> get_shift_template!(123)
+      %ShiftTemplate{}
+
+      iex> get_shift_template!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_shift_template!(id), do: Repo.get!(ShiftTemplate, id)
+
+  @doc """
+  Creates a shift_template.
+
+  ## Examples
+
+      iex> create_shift_template(%{field: value})
+      {:ok, %ShiftTemplate{}}
+
+      iex> create_shift_template(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_shift_template(attrs \\ %{}) do
+    %ShiftTemplate{}
+    |> ShiftTemplate.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a shift_template.
+
+  ## Examples
+
+      iex> update_shift_template(shift_template, %{field: new_value})
+      {:ok, %ShiftTemplate{}}
+
+      iex> update_shift_template(shift_template, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_shift_template(%ShiftTemplate{} = shift_template, attrs) do
+    shift_template
+    |> ShiftTemplate.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a shift_template.
+
+  ## Examples
+
+      iex> delete_shift_template(shift_template)
+      {:ok, %ShiftTemplate{}}
+
+      iex> delete_shift_template(shift_template)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_shift_template(%ShiftTemplate{} = shift_template) do
+    Repo.delete(shift_template)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking shift_template changes.
+
+  ## Examples
+
+      iex> change_shift_template(shift_template)
+      %Ecto.Changeset{data: %ShiftTemplate{}}
+
+  """
+  def change_shift_template(%ShiftTemplate{} = shift_template, attrs \\ %{}) do
+    ShiftTemplate.changeset(shift_template, attrs)
+  end
+end

lib/shift73k/shift_templates/shift_template.ex

@@ -0,0 +1,46 @@
+defmodule Shift73k.ShiftTemplates.ShiftTemplate do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key {:id, :binary_id, autogenerate: true}
+  @foreign_key_type :binary_id
+  schema "shift_templates" do
+    field :label, :string
+    field :subject, :string
+    field :description, :string
+    field :location, :string
+    field :timezone, :string
+    field :start_time, :time
+    field :length_hours, :integer
+    field :length_minutes, :integer
+
+    belongs_to(:user, Shift73k.Accounts.User)
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(shift_template, attrs) do
+    shift_template
+    |> cast(attrs, [
+      :label,
+      :subject,
+      :description,
+      :location,
+      :timezone,
+      :start_time,
+      :length_hours,
+      :length_minutes,
+      :user_id
+    ])
+    |> validate_required([
+      :subject,
+      :timezone,
+      :start_time,
+      :length_hours
+    ])
+    |> validate_number(:length_hours, greater_than_or_equal_to: 0, less_than_or_equal_to: 24)
+    |> validate_number(:length_minutes, greater_than_or_equal_to: 0, less_than: 60)
+    |> validate_inclusion(:timezone, Tzdata.zone_list())
+  end
+end