use dynamic dispatch

lib/memex/pipelines/pipeline.ex

@@ -2,11 +2,9 @@ defmodule Memex.Pipelines.Pipeline do
   @moduledoc """
   Represents a chain of considerations to take to accomplish a task
   """
-  use Ecto.Schema
-  use Gettext, backend: MemexWeb.Gettext
-  import Ecto.Changeset
-  alias Ecto.{Changeset, UUID}
-  alias Memex.{Accounts.User, Pipelines.Steps.Step, Repo}
+
+  use Memex, :schema
+  alias Memex.Pipelines.Steps.Step
 
   @derive {Phoenix.Param, key: :slug}
   @derive {Jason.Encoder,
@@ -19,8 +17,6 @@ defmodule Memex.Pipelines.Pipeline do
              :steps,
              :updated_at
            ]}
-  @primary_key {:id, :binary_id, autogenerate: true}
-  @foreign_key_type :binary_id
   schema "pipelines" do
     field :slug, :string
     field :description, :string
@@ -61,7 +57,7 @@ defmodule Memex.Pipelines.Pipeline do
     )
     |> validate_required([:slug, :user_id, :visibility])
     |> unique_constraint(:slug)
-    |> unsafe_validate_unique(:slug, Repo)
+    |> unsafe_validate_unique(:slug, Memex.Repo)
   end
 
   @spec update_changeset(t(), attrs :: map(), User.t()) :: changeset()
@@ -75,7 +71,7 @@ defmodule Memex.Pipelines.Pipeline do
     )
     |> validate_required([:slug, :visibility])
     |> unique_constraint(:slug)
-    |> unsafe_validate_unique(:slug, Repo)
+    |> unsafe_validate_unique(:slug, Memex.Repo)
   end
 
   defp cast_tags_string(changeset, attrs) do

lib/memex/pipelines/step.ex

@@ -2,10 +2,9 @@ defmodule Memex.Pipelines.Steps.Step do
   @moduledoc """
   Represents a step taken while executing a pipeline
   """
-  use Ecto.Schema
-  import Ecto.Changeset
-  alias Ecto.{Changeset, UUID}
-  alias Memex.{Accounts.User, Pipelines.Pipeline}
+
+  use Memex, :schema
+  alias Memex.Pipelines.Pipeline
 
   @derive {Jason.Encoder,
            only: [
@@ -15,8 +14,6 @@ defmodule Memex.Pipelines.Steps.Step do
              :inserted_at,
              :updated_at
            ]}
-  @primary_key {:id, :binary_id, autogenerate: true}
-  @foreign_key_type :binary_id
   schema "steps" do
     field :title, :string
     field :content, :string

lib/memex/pipelines/steps.ex

@@ -3,9 +3,7 @@ defmodule Memex.Pipelines.Steps do
   The context for steps within a pipeline
   """
 
-  import Ecto.Query, warn: false
-  alias Ecto.Multi
-  alias Memex.{Accounts.User, Repo}
+  use Memex, :context
   alias Memex.Pipelines.{Pipeline, Steps.Step}
 
   @doc """