add delete user function

lib/cannery/accounts.ex

@@ -244,6 +244,11 @@ defmodule Cannery.Accounts do
     end
   end
 
+  @spec delete_user!(User.t()) :: User.t()
+  def delete_user!(%User{} = user) do
+    user |> Repo.delete!()
+  end
+
   ## Session
 
   @doc """

lib/cannery_web/controllers/user_settings_controller.ex

@@ -64,6 +64,20 @@ defmodule CanneryWeb.UserSettingsController do
     end
   end
 
+  def delete(conn, %{"id" => user_id}) do
+    if user_id == conn.assigns.current_user.id do
+      Accounts.delete_user!(conn.assigns.current_user)
+
+      conn
+      |> put_flash(:error, "Your account has been deleted")
+      |> redirect(to: Routes.home_path(conn, :index))
+    else
+      conn
+      |> put_flash(:error, "Unable to delete user")
+      |> redirect(to: Routes.user_settings_path(conn, :edit))
+    end
+  end
+
   defp assign_email_and_password_changesets(conn, _opts) do
     user = conn.assigns.current_user
 

lib/cannery_web/router.ex

@@ -47,6 +47,7 @@ defmodule CanneryWeb.Router do
 
     get "/users/settings", UserSettingsController, :edit
     put "/users/settings", UserSettingsController, :update
+    delete "/users/settings/:id", UserSettingsController, :delete
     get "/users/settings/confirm_email/:token", UserSettingsController, :confirm_email
 
     live "/tags", TagLive.Index, :index

lib/cannery_web/templates/user_settings/edit.html.eex

@@ -1,4 +1,4 @@
-<div class="flex flex-col justify-center items-center space-y-4">
+<div class="mb-8 flex flex-col justify-center items-center space-y-8">
   <h1 class="title text-primary-500 text-xl">
     Settings
   </h1>
@@ -82,4 +82,8 @@
 
     <%= submit "Change password", class: "btn btn-primary" %>
   <% end %>
+
+  <%= link "Delete User", to: Routes.user_settings_path(@conn, :delete, @current_user),
+    method: :delete, class: "btn btn-alert",
+    data: [confirm: "Are you sure you want to delete your account?"] %>
 </div>