init

lib/webmon_web/live/website_live/form_component.ex

@@ -0,0 +1,91 @@
+defmodule WebmonWeb.WebsiteLive.FormComponent do
+  use WebmonWeb, :live_component
+
+  alias Webmon.Monitor
+
+  @impl true
+  def render(assigns) do
+    ~H"""
+    <div>
+      <.header>
+        <%= @title %>
+        <:subtitle>Use this form to manage website records in your database.</:subtitle>
+      </.header>
+
+      <.simple_form
+        for={@form}
+        id="website-form"
+        phx-target={@myself}
+        phx-change="validate"
+        phx-submit="save"
+      >
+        <.input field={@form[:name]} type="text" label="Name" />
+        <.input field={@form[:url]} type="text" label="Url" />
+        <:actions>
+          <.button phx-disable-with="Saving...">Save Website</.button>
+        </:actions>
+      </.simple_form>
+    </div>
+    """
+  end
+
+  @impl true
+  def update(%{website: website} = assigns, socket) do
+    changeset = Monitor.change_website(website)
+
+    {:ok,
+     socket
+     |> assign(assigns)
+     |> assign_form(changeset)}
+  end
+
+  @impl true
+  def handle_event("validate", %{"website" => website_params}, socket) do
+    changeset =
+      socket.assigns.website
+      |> Monitor.change_website(website_params)
+      |> Map.put(:action, :validate)
+
+    {:noreply, assign_form(socket, changeset)}
+  end
+
+  def handle_event("save", %{"website" => website_params}, socket) do
+    save_website(socket, socket.assigns.action, website_params)
+  end
+
+  defp save_website(socket, :edit, website_params) do
+    case Monitor.update_website(socket.assigns.website, website_params) do
+      {:ok, website} ->
+        notify_parent({:saved, website})
+
+        {:noreply,
+         socket
+         |> put_flash(:info, "Website updated successfully")
+         |> push_patch(to: socket.assigns.patch)}
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        {:noreply, assign_form(socket, changeset)}
+    end
+  end
+
+  defp save_website(socket, :new, website_params) do
+    case Monitor.create_website(website_params) do
+      {:ok, website} ->
+        notify_parent({:saved, website})
+
+        {:noreply,
+         socket
+         |> put_flash(:info, "Website created successfully")
+         |> push_patch(to: socket.assigns.patch)}
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        {:noreply, assign_form(socket, changeset)}
+    end
+  end
+
+  defp assign_form(socket, %Ecto.Changeset{} = changeset) do
+    assign(socket, :form, to_form(changeset))
+  end
+
+  defp notify_parent(msg), do: send(self(), {__MODULE__, msg})
+end