From 8bb4aab49cd5ba25b55652d6ca6366c929c4de4d Mon Sep 17 00:00:00 2001
From: shibao <shibao@bubbletea.dev>
Date: Fri, 4 Mar 2022 23:16:37 -0500
Subject: [PATCH] Fix ammo group create form error bug

---
 CHANGELOG.md                                  |  1 +
 lib/cannery/ammo.ex                           | 38 +++++++++----------
 .../live/ammo_group_live/form_component.ex    | 22 ++++++++---
 .../ammo_group_live/form_component.html.heex  |  1 +
 4 files changed, 36 insertions(+), 26 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3bf1be6..2c70e27 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 - Add link to changelog from version number
 - Fix some elements flashing with black background
 - Fix bug with moving ammo group to new container
+- Fix bug with no error showing up for create ammo group form
 
 # v0.3.0
 - Fix ammo type counts not showing when count is 0
diff --git a/lib/cannery/ammo.ex b/lib/cannery/ammo.ex
index 094307d..4b9f39a 100644
--- a/lib/cannery/ammo.ex
+++ b/lib/cannery/ammo.ex
@@ -342,7 +342,7 @@ defmodule Cannery.Ammo do
   """
   @spec create_ammo_groups(attrs :: map(), multiplier :: non_neg_integer(), User.t()) ::
           {:ok, {count :: non_neg_integer(), [AmmoGroup.t()] | nil}}
-          | {:error, Changeset.t(AmmoGroup.new_ammo_group()) | nil}
+          | {:error, Changeset.t(AmmoGroup.new_ammo_group())}
   def create_ammo_groups(
         %{"ammo_type_id" => ammo_type_id, "container_id" => container_id} = attrs,
         multiplier,
@@ -361,26 +361,24 @@ defmodule Cannery.Ammo do
       end)
 
     if changesets |> Enum.all?(fn %{valid?: valid} -> valid end) do
-      Multi.new()
-      |> Multi.insert_all(
-        :create_ammo_groups,
-        AmmoGroup,
-        changesets
-        |> Enum.map(fn changeset ->
-          changeset
-          |> Map.get(:changes)
-          |> Map.merge(%{inserted_at: now, updated_at: now})
-        end),
-        returning: true
-      )
-      |> Repo.transaction()
-      |> case do
-        {:ok, %{create_ammo_groups: {count, ammo_groups}}} -> {:ok, {count, ammo_groups}}
-        {:error, :create_ammo_groups, changeset, _changes_so_far} -> {:error, changeset}
-        {:error, _other_transaction, _value, _changes_so_far} -> {:error, nil}
-      end
+      {count, inserted_ammo_groups} =
+        Repo.insert_all(
+          AmmoGroup,
+          changesets
+          |> Enum.map(fn changeset ->
+            changeset
+            |> Map.get(:changes)
+            |> Map.merge(%{inserted_at: now, updated_at: now})
+          end),
+          returning: true
+        )
+
+      {:ok, {count, inserted_ammo_groups}}
     else
-      {:error, changesets |> List.first()}
+      changesets
+      |> Enum.reject(fn %{valid?: valid} -> valid end)
+      |> List.first()
+      |> Changeset.apply_action(:insert)
     end
   end
 
diff --git a/lib/cannery_web/live/ammo_group_live/form_component.ex b/lib/cannery_web/live/ammo_group_live/form_component.ex
index a87be40..213cef2 100644
--- a/lib/cannery_web/live/ammo_group_live/form_component.ex
+++ b/lib/cannery_web/live/ammo_group_live/form_component.ex
@@ -36,10 +36,23 @@ defmodule CanneryWeb.AmmoGroupLive.FormComponent do
   def handle_event(
         "validate",
         %{"ammo_group" => ammo_group_params},
-        %{assigns: %{ammo_group: ammo_group}} = socket
+        %{assigns: %{action: action, ammo_group: ammo_group}} = socket
       ) do
-    socket = socket |> assign(:changeset, ammo_group |> Ammo.change_ammo_group(ammo_group_params))
-    {:noreply, socket}
+    changeset_action =
+      case action do
+        :new -> :insert
+        :edit -> :update
+      end
+
+    changeset = ammo_group |> Ammo.change_ammo_group(ammo_group_params)
+
+    changeset =
+      case changeset |> Changeset.apply_action(changeset_action) do
+        {:ok, _data} -> changeset
+        {:error, changeset} -> changeset
+      end
+
+    {:noreply, socket |> assign(:changeset, changeset)}
   end
 
   def handle_event(
@@ -142,9 +155,6 @@ defmodule CanneryWeb.AmmoGroupLive.FormComponent do
 
       {:error, %Changeset{} = changeset} ->
         socket |> assign(changeset: changeset)
-
-      {:error, nil} ->
-        socket
     end
   end
 end
diff --git a/lib/cannery_web/live/ammo_group_live/form_component.html.heex b/lib/cannery_web/live/ammo_group_live/form_component.html.heex
index 3fe8bf2..86b4cd1 100644
--- a/lib/cannery_web/live/ammo_group_live/form_component.html.heex
+++ b/lib/cannery_web/live/ammo_group_live/form_component.html.heex
@@ -69,6 +69,7 @@
         ) %>
 
         <%= error_tag(f, :multiplier, "col-span-3 text-center") %>
+
       <% :edit -> %>
         <%= submit(dgettext("actions", "Save"),
           phx_disable_with: dgettext("prompts", "Saving..."),