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