22 credential model form

lib/lightning/credentials.ex

@@ -0,0 +1,108 @@
+defmodule Lightning.Credentials do
+  @moduledoc """
+  The Credentials context.
+  """
+
+  import Ecto.Query, warn: false
+  import Lightning.Helpers, only: [coerce_json_field: 2]
+  alias Lightning.Repo
+
+  alias Lightning.Credentials.Credential
+
+  @doc """
+  Returns the list of credentials.
+
+  ## Examples
+
+      iex> list_credentials()
+      [%Credential{}, ...]
+
+  """
+  def list_credentials do
+    Repo.all(Credential)
+  end
+
+  @doc """
+  Gets a single credential.
+
+  Raises `Ecto.NoResultsError` if the Credential does not exist.
+
+  ## Examples
+
+      iex> get_credential!(123)
+      %Credential{}
+
+      iex> get_credential!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_credential!(id), do: Repo.get!(Credential, id)
+
+  @doc """
+  Creates a credential.
+
+  ## Examples
+
+      iex> create_credential(%{field: value})
+      {:ok, %Credential{}}
+
+      iex> create_credential(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_credential(attrs \\ %{}) do
+    %Credential{}
+    |> Credential.changeset(attrs |> coerce_json_field("body"))
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a credential.
+
+  ## Examples
+
+      iex> update_credential(credential, %{field: new_value})
+      {:ok, %Credential{}}
+
+      iex> update_credential(credential, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_credential(%Credential{} = credential, attrs) do
+    credential
+    |> Credential.changeset(attrs |> coerce_json_field("body"))
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a credential.
+
+  ## Examples
+
+      iex> delete_credential(credential)
+      {:ok, %Credential{}}
+
+      iex> delete_credential(credential)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_credential(%Credential{} = credential) do
+    Repo.delete(credential)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking credential changes.
+
+  ## Examples
+
+      iex> change_credential(credential)
+      %Ecto.Changeset{data: %Credential{}}
+
+  """
+  def change_credential(%Credential{} = credential, attrs \\ %{}) do
+    Credential.changeset(
+      credential,
+      attrs |> coerce_json_field("body")
+    )
+  end
+end

lib/lightning/credentials/credential.ex

@@ -0,0 +1,24 @@
+defmodule Lightning.Credentials.Credential do
+  @moduledoc """
+  The Credential model.
+  """
+
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key {:id, :binary_id, autogenerate: true}
+  @foreign_key_type :binary_id
+  schema "credentials" do
+    field :body, :map
+    field :name, :string
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(credential, attrs) do
+    credential
+    |> cast(attrs, [:name, :body])
+    |> validate_required([:name, :body])
+  end
+end

lib/lightning/helpers.ex

@@ -0,0 +1,35 @@
+defmodule Lightning.Helpers do
+  @moduledoc """
+  Common functions for the context
+  """
+
+  @doc """
+  Changes a given maps field from a json string to a map.
+  If it cannot be converted, it leaves the original value
+  """
+  @spec coerce_json_field(map(), Map.key()) :: map()
+  def coerce_json_field(attrs, field) do
+    {_, attrs} =
+      Map.get_and_update(attrs, field, fn body ->
+        case body do
+          nil ->
+            :pop
+
+          body when is_binary(body) ->
+            {body, decode_and_replace(body)}
+
+          any ->
+            {body, any}
+        end
+      end)
+
+    attrs
+  end
+
+  defp decode_and_replace(body) do
+    case Jason.decode(body) do
+      {:error, _} -> body
+      {:ok, body_map} -> body_map
+    end
+  end
+end

lib/lightning/invocation.ex

@@ -4,6 +4,7 @@ defmodule Lightning.Invocation do
   """
 
   import Ecto.Query, warn: false
+  import Lightning.Helpers, only: [coerce_json_field: 2]
   alias Lightning.Repo
 
   alias Lightning.Invocation.{Dataclip, Event, Run}
@@ -73,7 +74,7 @@ defmodule Lightning.Invocation do
   """
   def create_dataclip(attrs \\ %{}) do
     %Dataclip{}
-    |> Dataclip.changeset(attrs |> coerce_json_body())
+    |> Dataclip.changeset(attrs |> coerce_json_field("body"))
     |> Repo.insert()
   end
 
@@ -91,7 +92,7 @@ defmodule Lightning.Invocation do
   """
   def update_dataclip(%Dataclip{} = dataclip, attrs) do
     dataclip
-    |> Dataclip.changeset(attrs |> coerce_json_body())
+    |> Dataclip.changeset(attrs |> coerce_json_field("body"))
     |> Repo.update()
   end
 
@@ -121,32 +122,7 @@ defmodule Lightning.Invocation do
 
   """
   def change_dataclip(%Dataclip{} = dataclip, attrs \\ %{}) do
-    Dataclip.changeset(dataclip, attrs |> coerce_json_body())
-  end
-
-  defp coerce_json_body(attrs) do
-    {_, attrs} =
-      Map.get_and_update(attrs, "body", fn body ->
-        case body do
-          nil ->
-            :pop
-
-          body when is_binary(body) ->
-            {body, decode_and_replace(body)}
-
-          any ->
-            {body, any}
-        end
-      end)
-
-    attrs
-  end
-
-  def decode_and_replace(body) do
-    case Jason.decode(body) do
-      {:error, _} -> body
-      {:ok, body_map} -> body_map
-    end
+    Dataclip.changeset(dataclip, attrs |> coerce_json_field("body"))
   end
 
   @doc """

lib/lightning_web/live/credential_live/edit.ex

@@ -0,0 +1,26 @@
+defmodule LightningWeb.CredentialLive.Edit do
+  @moduledoc """
+  LiveView for editing a single job, which inturn uses `LightningWeb.JobLive.FormComponent`
+  for common functionality.
+  """
+  use LightningWeb, :live_view
+
+  alias Lightning.Credentials
+
+  @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(:active_menu_item, :credentials)
+     |> assign(:credentials, Credentials.get_credential!(id))}
+  end
+
+  defp page_title(:show), do: "Show Job"
+  defp page_title(:edit), do: "Edit Job"
+end

lib/lightning_web/live/credential_live/edit.html.heex

@@ -0,0 +1,14 @@
+<MainSection.header title={"#{@credential.name}"} />
+
+<MainSection.main>
+
+  <.live_component
+    module={LightningWeb.CredentialLive.FormComponent}
+    id={@credential.id || :new}
+    title={@page_title}
+    action={@live_action}
+    credential={@credential}
+    return_to={Routes.credential_index_path(@socket, :index)}
+  />
+
+</MainSection.main>

lib/lightning_web/live/credential_live/form_component.ex

@@ -0,0 +1,58 @@
+defmodule LightningWeb.CredentialLive.FormComponent do
+  @moduledoc """
+  Form Component for working with a single Credential
+  """
+  use LightningWeb, :live_component
+
+  alias Lightning.{Credentials}
+
+  @impl true
+  def update(%{credential: credential} = assigns, socket) do
+    changeset = Credentials.change_credential(credential)
+
+    {:ok,
+     socket
+     |> assign(assigns)
+     |> assign(:changeset, changeset)}
+  end
+
+  @impl true
+  def handle_event("validate", %{"credential" => credential_params}, socket) do
+    changeset =
+      socket.assigns.credential
+      |> Credentials.change_credential(credential_params)
+      |> Map.put(:action, :validate)
+
+    {:noreply, assign(socket, :changeset, changeset)}
+  end
+
+  def handle_event("save", %{"credential" => credential_params}, socket) do
+    save_credential(socket, socket.assigns.action, credential_params)
+  end
+
+  defp save_credential(socket, :edit, credential_params) do
+    case Credentials.update_credential(socket.assigns.credential, credential_params) do
+      {:ok, _credential} ->
+        {:noreply,
+         socket
+         |> put_flash(:info, "Credential updated successfully")
+         |> push_redirect(to: socket.assigns.return_to)}
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        {:noreply, assign(socket, :changeset, changeset)}
+    end
+  end
+
+  defp save_credential(socket, :new, credential_params) do
+    case Credentials.create_credential(credential_params) do
+      {:ok, _credential} ->
+        {:noreply,
+         socket
+         |> put_flash(:info, "Credential created successfully")
+         |> push_redirect(to: socket.assigns.return_to)}
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        {:noreply, assign(socket, changeset: changeset)}
+    end
+  end
+end

lib/lightning_web/live/credential_live/form_component.html.heex

@@ -0,0 +1,34 @@
+<div id={"credential-#{@id}"}>
+  <.form
+  let={f}
+  for={@changeset}
+  id="credential-form"
+  phx-target={@myself}
+  phx-change="validate"
+  phx-submit="save">
+
+  <div class="grid grid-cols-6 gap-6">
+    <div class="col-span-3">
+
+      <%= label f, :name, class: "block text-sm font-medium text-gray-700" %>
+      <%= error_tag f, :name, class: "block w-full rounded-md" %>
+      <%= text_input f, :name, class: "mt-1 focus:ring-indigo-500 focus:border-indigo-500 block w-full shadow-sm sm:text-sm border-gray-300 rounded-md" %>
+
+    </div>
+
+  </div>
+
+  <div class="hidden sm:block" aria-hidden="true">
+    <div class="py-5">
+      <div class="border-t border-gray-200"></div>
+    </div>
+  </div>
+
+  <%= error_tag f, :body %>
+  <%= textarea f, :body, class: "rounded-md w-full font-mono bg-slate-800 text-slate-50 h-96 min-h-full" %>
+
+  <div>
+    <%= submit "Save", phx_disable_with: "Saving...", class: "inline-flex justify-center py-2 px-4 border border-transparent shadow-sm text-sm font-medium rounded-md text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500" %>
+  </div>
+  </.form>
+</div>