From 8e4e3872f5a723f69eb3e2a9097776c8bf8db5bb Mon Sep 17 00:00:00 2001
From: shibao <shibao@bubbletea.dev>
Date: Fri, 10 Sep 2021 21:37:17 -0400
Subject: [PATCH] add delete user function

---
 lib/cannery/accounts.ex                            |  5 +++++
 .../controllers/user_settings_controller.ex        | 14 ++++++++++++++
 lib/cannery_web/router.ex                          |  7 ++++---
 .../templates/user_settings/edit.html.eex          | 14 +++++++++-----
 4 files changed, 32 insertions(+), 8 deletions(-)

diff --git a/lib/cannery/accounts.ex b/lib/cannery/accounts.ex
index 0a8ee8aa..b1294fb4 100644
--- a/lib/cannery/accounts.ex
+++ b/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 """
diff --git a/lib/cannery_web/controllers/user_settings_controller.ex b/lib/cannery_web/controllers/user_settings_controller.ex
index 0fd6477c..eb709d70 100644
--- a/lib/cannery_web/controllers/user_settings_controller.ex
+++ b/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
 
diff --git a/lib/cannery_web/router.ex b/lib/cannery_web/router.ex
index 4d78e865..a14aa2b3 100644
--- a/lib/cannery_web/router.ex
+++ b/lib/cannery_web/router.ex
@@ -12,7 +12,7 @@ defmodule CanneryWeb.Router do
     plug :put_secure_browser_headers
     plug :fetch_current_user
   end
-  
+
   pipeline :require_admin do
     plug :require_role, role: :admin
   end
@@ -26,7 +26,7 @@ defmodule CanneryWeb.Router do
 
     live "/", HomeLive, :index
   end
-  
+
   ## Authentication routes
 
   scope "/", CanneryWeb do
@@ -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
@@ -80,7 +81,7 @@ defmodule CanneryWeb.Router do
 
   scope "/", CanneryWeb do
     pipe_through [:browser, :require_authenticated_user, :require_admin]
-    
+
     live_dashboard "/dashboard", metrics: CanneryWeb.Telemetry, ecto_repos: [Cannery.Repo]
 
     live "/invites", InviteLive.Index, :index
diff --git a/lib/cannery_web/templates/user_settings/edit.html.eex b/lib/cannery_web/templates/user_settings/edit.html.eex
index c01db3a9..c17956a8 100644
--- a/lib/cannery_web/templates/user_settings/edit.html.eex
+++ b/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>
@@ -22,7 +22,7 @@
       <%= email_input f, :email, required: true, class: "input input-primary col-span-2" %>
     </div>
     <%= error_tag f, :email %>
-    
+
     <div class="grid grid-cols-3 justify-center items-center text-center space-x-4">
       <%= label f, :current_password, for: "current_password_for_email", class: "title text-lg text-primary-500" %>
       <%= password_input f, :current_password,
@@ -58,7 +58,7 @@
         class: "input input-primary col-span-2" %>
     </div>
     <%= error_tag f, :password %>
-    
+
     <div class="grid grid-cols-3 justify-center items-center text-center space-x-4">
       <%= label f, :password_confirmation, "Confirm new password",
         class: "title text-lg text-primary-500" %>
@@ -67,7 +67,7 @@
         class: "input input-primary col-span-2" %>
     </div>
     <%= error_tag f, :password_confirmation %>
-    
+
     <div class="grid grid-cols-3 justify-center items-center text-center space-x-4">
       <%= label f, :current_password,
         for: "current_password_for_password",
@@ -82,4 +82,8 @@
 
     <%= submit "Change password", class: "btn btn-primary" %>
   <% end %>
-</div>
\ No newline at end of file
+
+  <%= 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>