add pipelines

lib/memex/pipelines.ex

@@ -0,0 +1,104 @@
+defmodule Memex.Pipelines do
+  @moduledoc """
+  The Pipelines context.
+  """
+
+  import Ecto.Query, warn: false
+  alias Memex.Repo
+
+  alias Memex.Pipelines.Pipeline
+
+  @doc """
+  Returns the list of pipelines.
+
+  ## Examples
+
+      iex> list_pipelines()
+      [%Pipeline{}, ...]
+
+  """
+  def list_pipelines do
+    Repo.all(Pipeline)
+  end
+
+  @doc """
+  Gets a single pipeline.
+
+  Raises `Ecto.NoResultsError` if the Pipeline does not exist.
+
+  ## Examples
+
+      iex> get_pipeline!(123)
+      %Pipeline{}
+
+      iex> get_pipeline!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_pipeline!(id), do: Repo.get!(Pipeline, id)
+
+  @doc """
+  Creates a pipeline.
+
+  ## Examples
+
+      iex> create_pipeline(%{field: value})
+      {:ok, %Pipeline{}}
+
+      iex> create_pipeline(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_pipeline(attrs \\ %{}) do
+    %Pipeline{}
+    |> Pipeline.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a pipeline.
+
+  ## Examples
+
+      iex> update_pipeline(pipeline, %{field: new_value})
+      {:ok, %Pipeline{}}
+
+      iex> update_pipeline(pipeline, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_pipeline(%Pipeline{} = pipeline, attrs) do
+    pipeline
+    |> Pipeline.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a pipeline.
+
+  ## Examples
+
+      iex> delete_pipeline(pipeline)
+      {:ok, %Pipeline{}}
+
+      iex> delete_pipeline(pipeline)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_pipeline(%Pipeline{} = pipeline) do
+    Repo.delete(pipeline)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking pipeline changes.
+
+  ## Examples
+
+      iex> change_pipeline(pipeline)
+      %Ecto.Changeset{data: %Pipeline{}}
+
+  """
+  def change_pipeline(%Pipeline{} = pipeline, attrs \\ %{}) do
+    Pipeline.changeset(pipeline, attrs)
+  end
+end

lib/memex/pipelines/pipeline.ex

@@ -0,0 +1,21 @@
+defmodule Memex.Pipelines.Pipeline do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key {:id, :binary_id, autogenerate: true}
+  @foreign_key_type :binary_id
+  schema "pipelines" do
+    field :description, :string
+    field :title, :string
+    field :visibility, Ecto.Enum, values: [:public, :private, :unlisted]
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(pipeline, attrs) do
+    pipeline
+    |> cast(attrs, [:title, :description, :visibility])
+    |> validate_required([:title, :description, :visibility])
+  end
+end

lib/memex_web/live/pipeline_live/form_component.ex

@@ -0,0 +1,55 @@
+defmodule MemexWeb.PipelineLive.FormComponent do
+  use MemexWeb, :live_component
+
+  alias Memex.Pipelines
+
+  @impl true
+  def update(%{pipeline: pipeline} = assigns, socket) do
+    changeset = Pipelines.change_pipeline(pipeline)
+
+    {:ok,
+     socket
+     |> assign(assigns)
+     |> assign(:changeset, changeset)}
+  end
+
+  @impl true
+  def handle_event("validate", %{"pipeline" => pipeline_params}, socket) do
+    changeset =
+      socket.assigns.pipeline
+      |> Pipelines.change_pipeline(pipeline_params)
+      |> Map.put(:action, :validate)
+
+    {:noreply, assign(socket, :changeset, changeset)}
+  end
+
+  def handle_event("save", %{"pipeline" => pipeline_params}, socket) do
+    save_pipeline(socket, socket.assigns.action, pipeline_params)
+  end
+
+  defp save_pipeline(socket, :edit, pipeline_params) do
+    case Pipelines.update_pipeline(socket.assigns.pipeline, pipeline_params) do
+      {:ok, _pipeline} ->
+        {:noreply,
+         socket
+         |> put_flash(:info, "Pipeline updated successfully")
+         |> push_redirect(to: socket.assigns.return_to)}
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        {:noreply, assign(socket, :changeset, changeset)}
+    end
+  end
+
+  defp save_pipeline(socket, :new, pipeline_params) do
+    case Pipelines.create_pipeline(pipeline_params) do
+      {:ok, _pipeline} ->
+        {:noreply,
+         socket
+         |> put_flash(:info, "Pipeline created successfully")
+         |> push_redirect(to: socket.assigns.return_to)}
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        {:noreply, assign(socket, changeset: changeset)}
+    end
+  end
+end

lib/memex_web/live/pipeline_live/form_component.html.heex

@@ -0,0 +1,28 @@
+<div>
+  <h2><%= @title %></h2>
+
+  <.form
+    let={f}
+    for={@changeset}
+    id="pipeline-form"
+    phx-target={@myself}
+    phx-change="validate"
+    phx-submit="save">
+  
+    <%= label f, :title %>
+    <%= text_input f, :title %>
+    <%= error_tag f, :title %>
+  
+    <%= label f, :description %>
+    <%= textarea f, :description %>
+    <%= error_tag f, :description %>
+  
+    <%= label f, :visibility %>
+    <%= select f, :visibility, Ecto.Enum.values(Memex.Pipelines.Pipeline, :visibility), prompt: "Choose a value" %>
+    <%= error_tag f, :visibility %>
+  
+    <div>
+      <%= submit "Save", phx_disable_with: "Saving..." %>
+    </div>
+  </.form>
+</div>

lib/memex_web/live/pipeline_live/index.ex

@@ -0,0 +1,46 @@
+defmodule MemexWeb.PipelineLive.Index do
+  use MemexWeb, :live_view
+
+  alias Memex.Pipelines
+  alias Memex.Pipelines.Pipeline
+
+  @impl true
+  def mount(_params, _session, socket) do
+    {:ok, assign(socket, :pipelines, list_pipelines())}
+  end
+
+  @impl true
+  def handle_params(params, _url, socket) do
+    {:noreply, apply_action(socket, socket.assigns.live_action, params)}
+  end
+
+  defp apply_action(socket, :edit, %{"id" => id}) do
+    socket
+    |> assign(:page_title, "Edit Pipeline")
+    |> assign(:pipeline, Pipelines.get_pipeline!(id))
+  end
+
+  defp apply_action(socket, :new, _params) do
+    socket
+    |> assign(:page_title, "New Pipeline")
+    |> assign(:pipeline, %Pipeline{})
+  end
+
+  defp apply_action(socket, :index, _params) do
+    socket
+    |> assign(:page_title, "Listing Pipelines")
+    |> assign(:pipeline, nil)
+  end
+
+  @impl true
+  def handle_event("delete", %{"id" => id}, socket) do
+    pipeline = Pipelines.get_pipeline!(id)
+    {:ok, _} = Pipelines.delete_pipeline(pipeline)
+
+    {:noreply, assign(socket, :pipelines, list_pipelines())}
+  end
+
+  defp list_pipelines do
+    Pipelines.list_pipelines()
+  end
+end

lib/memex_web/live/pipeline_live/index.html.heex

@@ -0,0 +1,43 @@
+<h1>Listing Pipelines</h1>
+
+<%= if @live_action in [:new, :edit] do %>
+  <.modal return_to={Routes.pipeline_index_path(@socket, :index)}>
+    <.live_component
+      module={MemexWeb.PipelineLive.FormComponent}
+      id={@pipeline.id || :new}
+      title={@page_title}
+      action={@live_action}
+      pipeline={@pipeline}
+      return_to={Routes.pipeline_index_path(@socket, :index)}
+    />
+  </.modal>
+<% end %>
+
+<table>
+  <thead>
+    <tr>
+      <th>Title</th>
+      <th>Description</th>
+      <th>Visibility</th>
+
+      <th></th>
+    </tr>
+  </thead>
+  <tbody id="pipelines">
+    <%= for pipeline <- @pipelines do %>
+      <tr id={"pipeline-#{pipeline.id}"}>
+        <td><%= pipeline.title %></td>
+        <td><%= pipeline.description %></td>
+        <td><%= pipeline.visibility %></td>
+
+        <td>
+          <span><%= live_redirect "Show", to: Routes.pipeline_show_path(@socket, :show, pipeline) %></span>
+          <span><%= live_patch "Edit", to: Routes.pipeline_index_path(@socket, :edit, pipeline) %></span>
+          <span><%= link "Delete", to: "#", phx_click: "delete", phx_value_id: pipeline.id, data: [confirm: "Are you sure?"] %></span>
+        </td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>
+
+<span><%= live_patch "New Pipeline", to: Routes.pipeline_index_path(@socket, :new) %></span>

lib/memex_web/live/pipeline_live/show.ex

@@ -0,0 +1,21 @@
+defmodule MemexWeb.PipelineLive.Show do
+  use MemexWeb, :live_view
+
+  alias Memex.Pipelines
+
+  @impl true
+  def mount(_params, _session, socket) do
+    {:ok, socket}
+  end
+
+  @impl true
+  def handle_params(%{"id" => id}, _, socket) do
+    {:noreply,
+     socket
+     |> assign(:page_title, page_title(socket.assigns.live_action))
+     |> assign(:pipeline, Pipelines.get_pipeline!(id))}
+  end
+
+  defp page_title(:show), do: "Show Pipeline"
+  defp page_title(:edit), do: "Edit Pipeline"
+end

lib/memex_web/live/pipeline_live/show.html.heex

@@ -0,0 +1,36 @@
+<h1>Show Pipeline</h1>
+
+<%= if @live_action in [:edit] do %>
+  <.modal return_to={Routes.pipeline_show_path(@socket, :show, @pipeline)}>
+    <.live_component
+      module={MemexWeb.PipelineLive.FormComponent}
+      id={@pipeline.id}
+      title={@page_title}
+      action={@live_action}
+      pipeline={@pipeline}
+      return_to={Routes.pipeline_show_path(@socket, :show, @pipeline)}
+    />
+  </.modal>
+<% end %>
+
+<ul>
+
+  <li>
+    <strong>Title:</strong>
+    <%= @pipeline.title %>
+  </li>
+
+  <li>
+    <strong>Description:</strong>
+    <%= @pipeline.description %>
+  </li>
+
+  <li>
+    <strong>Visibility:</strong>
+    <%= @pipeline.visibility %>
+  </li>
+
+</ul>
+
+<span><%= live_patch "Edit", to: Routes.pipeline_show_path(@socket, :edit, @pipeline), class: "button" %></span> |
+<span><%= live_redirect "Back", to: Routes.pipeline_index_path(@socket, :index) %></span>

lib/memex_web/router.ex

@@ -63,6 +63,8 @@ defmodule MemexWeb.Router do
       live "/contexts", ContextLive.Index, :index
       live "/contexts/:id", ContextLive.Show, :show
 
+      live "/pipelines", PipelineLive.Index, :index
+      live "/pipelines/:id", PipelineLive.Show, :show
     end
 
     scope "/", MemexWeb do
@@ -76,6 +78,10 @@ defmodule MemexWeb.Router do
       live "/contexts/:id/edit", ContextLive.Index, :edit
       live "/contexts/:id/show/edit", ContextLive.Show, :edit
 
+      live "/pipelines/new", PipelineLive.Index, :new
+      live "/pipelines/:id/edit", PipelineLive.Index, :edit
+      live "/pipelines/:id/show/edit", PipelineLive.Show, :edit
+
       get "/users/settings", UserSettingsController, :edit
       put "/users/settings", UserSettingsController, :update
       delete "/users/settings/:id", UserSettingsController, :delete

priv/repo/migrations/20220726001146_create_pipelines.exs

@@ -0,0 +1,14 @@
+defmodule Memex.Repo.Migrations.CreatePipelines do
+  use Ecto.Migration
+
+  def change do
+    create table(:pipelines, primary_key: false) do
+      add :id, :binary_id, primary_key: true
+      add :title, :string
+      add :description, :text
+      add :visibility, :string
+
+      timestamps()
+    end
+  end
+end

test/memex/pipelines_test.exs

@@ -0,0 +1,63 @@
+defmodule Memex.PipelinesTest do
+  use Memex.DataCase
+
+  alias Memex.Pipelines
+
+  describe "pipelines" do
+    alias Memex.Pipelines.Pipeline
+
+    import Memex.PipelinesFixtures
+
+    @invalid_attrs %{description: nil, title: nil, visibility: nil}
+
+    test "list_pipelines/0 returns all pipelines" do
+      pipeline = pipeline_fixture()
+      assert Pipelines.list_pipelines() == [pipeline]
+    end
+
+    test "get_pipeline!/1 returns the pipeline with given id" do
+      pipeline = pipeline_fixture()
+      assert Pipelines.get_pipeline!(pipeline.id) == pipeline
+    end
+
+    test "create_pipeline/1 with valid data creates a pipeline" do
+      valid_attrs = %{description: "some description", title: "some title", visibility: :public}
+
+      assert {:ok, %Pipeline{} = pipeline} = Pipelines.create_pipeline(valid_attrs)
+      assert pipeline.description == "some description"
+      assert pipeline.title == "some title"
+      assert pipeline.visibility == :public
+    end
+
+    test "create_pipeline/1 with invalid data returns error changeset" do
+      assert {:error, %Ecto.Changeset{}} = Pipelines.create_pipeline(@invalid_attrs)
+    end
+
+    test "update_pipeline/2 with valid data updates the pipeline" do
+      pipeline = pipeline_fixture()
+      update_attrs = %{description: "some updated description", title: "some updated title", visibility: :private}
+
+      assert {:ok, %Pipeline{} = pipeline} = Pipelines.update_pipeline(pipeline, update_attrs)
+      assert pipeline.description == "some updated description"
+      assert pipeline.title == "some updated title"
+      assert pipeline.visibility == :private
+    end
+
+    test "update_pipeline/2 with invalid data returns error changeset" do
+      pipeline = pipeline_fixture()
+      assert {:error, %Ecto.Changeset{}} = Pipelines.update_pipeline(pipeline, @invalid_attrs)
+      assert pipeline == Pipelines.get_pipeline!(pipeline.id)
+    end
+
+    test "delete_pipeline/1 deletes the pipeline" do
+      pipeline = pipeline_fixture()
+      assert {:ok, %Pipeline{}} = Pipelines.delete_pipeline(pipeline)
+      assert_raise Ecto.NoResultsError, fn -> Pipelines.get_pipeline!(pipeline.id) end
+    end
+
+    test "change_pipeline/1 returns a pipeline changeset" do
+      pipeline = pipeline_fixture()
+      assert %Ecto.Changeset{} = Pipelines.change_pipeline(pipeline)
+    end
+  end
+end

test/memex_web/live/pipeline_live_test.exs

@@ -0,0 +1,110 @@
+defmodule MemexWeb.PipelineLiveTest do
+  use MemexWeb.ConnCase
+
+  import Phoenix.LiveViewTest
+  import Memex.PipelinesFixtures
+
+  @create_attrs %{description: "some description", title: "some title", visibility: :public}
+  @update_attrs %{description: "some updated description", title: "some updated title", visibility: :private}
+  @invalid_attrs %{description: nil, title: nil, visibility: nil}
+
+  defp create_pipeline(_) do
+    pipeline = pipeline_fixture()
+    %{pipeline: pipeline}
+  end
+
+  describe "Index" do
+    setup [:create_pipeline]
+
+    test "lists all pipelines", %{conn: conn, pipeline: pipeline} do
+      {:ok, _index_live, html} = live(conn, Routes.pipeline_index_path(conn, :index))
+
+      assert html =~ "Listing Pipelines"
+      assert html =~ pipeline.description
+    end
+
+    test "saves new pipeline", %{conn: conn} do
+      {:ok, index_live, _html} = live(conn, Routes.pipeline_index_path(conn, :index))
+
+      assert index_live |> element("a", "New Pipeline") |> render_click() =~
+               "New Pipeline"
+
+      assert_patch(index_live, Routes.pipeline_index_path(conn, :new))
+
+      assert index_live
+             |> form("#pipeline-form", pipeline: @invalid_attrs)
+             |> render_change() =~ "can't be blank"
+
+      {:ok, _, html} =
+        index_live
+        |> form("#pipeline-form", pipeline: @create_attrs)
+        |> render_submit()
+        |> follow_redirect(conn, Routes.pipeline_index_path(conn, :index))
+
+      assert html =~ "Pipeline created successfully"
+      assert html =~ "some description"
+    end
+
+    test "updates pipeline in listing", %{conn: conn, pipeline: pipeline} do
+      {:ok, index_live, _html} = live(conn, Routes.pipeline_index_path(conn, :index))
+
+      assert index_live |> element("#pipeline-#{pipeline.id} a", "Edit") |> render_click() =~
+               "Edit Pipeline"
+
+      assert_patch(index_live, Routes.pipeline_index_path(conn, :edit, pipeline))
+
+      assert index_live
+             |> form("#pipeline-form", pipeline: @invalid_attrs)
+             |> render_change() =~ "can't be blank"
+
+      {:ok, _, html} =
+        index_live
+        |> form("#pipeline-form", pipeline: @update_attrs)
+        |> render_submit()
+        |> follow_redirect(conn, Routes.pipeline_index_path(conn, :index))
+
+      assert html =~ "Pipeline updated successfully"
+      assert html =~ "some updated description"
+    end
+
+    test "deletes pipeline in listing", %{conn: conn, pipeline: pipeline} do
+      {:ok, index_live, _html} = live(conn, Routes.pipeline_index_path(conn, :index))
+
+      assert index_live |> element("#pipeline-#{pipeline.id} a", "Delete") |> render_click()
+      refute has_element?(index_live, "#pipeline-#{pipeline.id}")
+    end
+  end
+
+  describe "Show" do
+    setup [:create_pipeline]
+
+    test "displays pipeline", %{conn: conn, pipeline: pipeline} do
+      {:ok, _show_live, html} = live(conn, Routes.pipeline_show_path(conn, :show, pipeline))
+
+      assert html =~ "Show Pipeline"
+      assert html =~ pipeline.description
+    end
+
+    test "updates pipeline within modal", %{conn: conn, pipeline: pipeline} do
+      {:ok, show_live, _html} = live(conn, Routes.pipeline_show_path(conn, :show, pipeline))
+
+      assert show_live |> element("a", "Edit") |> render_click() =~
+               "Edit Pipeline"
+
+      assert_patch(show_live, Routes.pipeline_show_path(conn, :edit, pipeline))
+
+      assert show_live
+             |> form("#pipeline-form", pipeline: @invalid_attrs)
+             |> render_change() =~ "can't be blank"
+
+      {:ok, _, html} =
+        show_live
+        |> form("#pipeline-form", pipeline: @update_attrs)
+        |> render_submit()
+        |> follow_redirect(conn, Routes.pipeline_show_path(conn, :show, pipeline))
+
+      assert html =~ "Pipeline updated successfully"
+      assert html =~ "some updated description"
+    end
+  end
+end

test/support/fixtures/pipelines_fixtures.ex

@@ -0,0 +1,22 @@
+defmodule Memex.PipelinesFixtures do
+  @moduledoc """
+  This module defines test helpers for creating
+  entities via the `Memex.Pipelines` context.
+  """
+
+  @doc """
+  Generate a pipeline.
+  """
+  def pipeline_fixture(attrs \\ %{}) do
+    {:ok, pipeline} =
+      attrs
+      |> Enum.into(%{
+        description: "some description",
+        title: "some title",
+        visibility: :public
+      })
+      |> Memex.Pipelines.create_pipeline()
+
+    pipeline
+  end
+end