harden tags context

lib/cannery/tags.ex

@@ -12,13 +12,12 @@ defmodule Cannery.Tags do
 
   ## Examples
 
-      iex> list_tags()
+      iex> list_tags(%User{id: 123})
       [%Tag{}, ...]
 
   """
-  @spec list_tags(User.t() | User.id()) :: [Tag.t()]
-  def list_tags(%{id: user_id}), do: list_tags(user_id)
-  def list_tags(user_id), do: Repo.all(from t in Tag, where: t.user_id == ^user_id)
+  @spec list_tags(User.t()) :: [Tag.t()]
+  def list_tags(%{id: user_id}), do: Repo.all(from t in Tag, where: t.user_id == ^user_id)
 
   @doc """
   Gets a single tag.
@@ -27,72 +26,77 @@ defmodule Cannery.Tags do
 
   ## Examples
 
-      iex> get_tag!(123)
+      iex> get_tag!(123, %User{id: 123})
       %Tag{}
 
-      iex> get_tag!(456)
+      iex> get_tag!(456, %User{id: 123})
       ** (Ecto.NoResultsError)
 
   """
-  @spec get_tag!(Tag.id()) :: Tag.t()
-  def get_tag!(id), do: Repo.get!(Tag, id)
+  @spec get_tag!(Tag.id(), User.t()) :: Tag.t()
+  def get_tag!(id, %User{id: user_id}),
+    do: Repo.one!(from t in Tag, where: t.id == ^id and t.user_id == ^user_id)
 
   @doc """
   Creates a tag.
 
   ## Examples
 
-      iex> create_tag(%{field: value})
+      iex> create_tag(%{field: value}, %User{id: 123})
       {:ok, %Tag{}}
 
-      iex> create_tag(%{field: bad_value})
+      iex> create_tag(%{field: bad_value}, %User{id: 123})
       {:error, %Changeset{}}
 
   """
-  @spec create_tag(attrs :: map()) :: {:ok, Tag.t()} | {:error, Changeset.t(Tag.new_tag())}
-  def create_tag(attrs), do: %Tag{} |> Tag.changeset(attrs) |> Repo.insert()
+  @spec create_tag(attrs :: map(), User.t()) ::
+          {:ok, Tag.t()} | {:error, Changeset.t(Tag.new_tag())}
+  def create_tag(attrs, %User{id: user_id}),
+    do: %Tag{} |> Tag.create_changeset(attrs |> Map.put("user_id", user_id)) |> Repo.insert()
 
   @doc """
   Updates a tag.
 
   ## Examples
 
-      iex> update_tag(tag, %{field: new_value})
+      iex> update_tag(tag, %{field: new_value}, %User{id: 123})
       {:ok, %Tag{}}
 
-      iex> update_tag(tag, %{field: bad_value})
+      iex> update_tag(tag, %{field: bad_value}, %User{id: 123})
       {:error, %Changeset{}}
 
   """
-  @spec update_tag(Tag.t(), attrs :: map()) :: {:ok, Tag.t()} | {:error, Changeset.t(Tag.t())}
-  def update_tag(tag, attrs), do: tag |> Tag.changeset(attrs) |> Repo.update()
+  @spec update_tag(Tag.t(), attrs :: map(), User.t()) ::
+          {:ok, Tag.t()} | {:error, Changeset.t(Tag.t())}
+  def update_tag(%Tag{user_id: user_id} = tag, attrs, %User{id: user_id}),
+    do: tag |> Tag.update_changeset(attrs) |> Repo.update()
 
   @doc """
   Deletes a tag.
 
   ## Examples
 
-      iex> delete_tag(tag)
+      iex> delete_tag(tag, %User{id: 123})
       {:ok, %Tag{}}
 
-      iex> delete_tag(tag)
+      iex> delete_tag(tag, %User{id: 123})
       {:error, %Changeset{}}
 
   """
-  @spec delete_tag(Tag.t()) :: {:ok, Tag.t()} | {:error, Changeset.t(Tag.t())}
-  def delete_tag(tag), do: tag |> Repo.delete()
+  @spec delete_tag(Tag.t(), User.t()) :: {:ok, Tag.t()} | {:error, Changeset.t(Tag.t())}
+  def delete_tag(%Tag{user_id: user_id} = tag, %User{id: user_id}), do: tag |> Repo.delete()
 
   @doc """
   Deletes a tag.
 
   ## Examples
 
-      iex> delete_tag!(tag)
+      iex> delete_tag!(tag, %User{id: 123})
       %Tag{}
 
   """
-  @spec delete_tag!(Tag.t()) :: Tag.t()
-  def delete_tag!(tag), do: tag |> Repo.delete!()
+  @spec delete_tag!(Tag.t(), User.t()) :: Tag.t()
+  def delete_tag!(%Tag{user_id: user_id} = tag, %User{id: user_id}), do: tag |> Repo.delete!()
 
   @doc """
   Returns an `%Changeset{}` for tracking tag changes.
@@ -106,7 +110,7 @@ defmodule Cannery.Tags do
   @spec change_tag(Tag.t() | Tag.new_tag()) :: Changeset.t(Tag.t() | Tag.new_tag())
   @spec change_tag(Tag.t() | Tag.new_tag(), attrs :: map()) ::
           Changeset.t(Tag.t() | Tag.new_tag())
-  def change_tag(tag, attrs \\ %{}), do: Tag.changeset(tag, attrs)
+  def change_tag(tag, attrs \\ %{}), do: Tag.update_changeset(tag, attrs)
 
   @doc """
   Get a random tag bg_color in `#ffffff` hex format

lib/cannery/tags/tag.ex

@@ -26,7 +26,7 @@ defmodule Cannery.Tags.Tag do
           name: String.t(),
           bg_color: String.t(),
           text_color: String.t(),
-          user: User.t(),
+          user: User.t() | nil,
           user_id: User.id(),
           inserted_at: NaiveDateTime.t(),
           updated_at: NaiveDateTime.t()
@@ -35,10 +35,18 @@ defmodule Cannery.Tags.Tag do
   @type id() :: UUID.t()
 
   @doc false
-  @spec changeset(t() | new_tag(), attrs :: map()) :: Changeset.t(t() | new_tag())
-  def changeset(tag, attrs) do
+  @spec create_changeset(t() | new_tag(), attrs :: map()) :: Changeset.t(t() | new_tag())
+  def create_changeset(tag, attrs) do
     tag
     |> cast(attrs, [:name, :bg_color, :text_color, :user_id])
     |> validate_required([:name, :bg_color, :text_color, :user_id])
   end
+
+  @doc false
+  @spec update_changeset(t() | new_tag(), attrs :: map()) :: Changeset.t(t() | new_tag())
+  def update_changeset(tag, attrs) do
+    tag
+    |> cast(attrs, [:name, :bg_color, :text_color])
+    |> validate_required([:name, :bg_color, :text_color, :user_id])
+  end
 end

lib/cannery_web/live/live_helpers.ex

@@ -29,9 +29,7 @@ defmodule CanneryWeb.LiveHelpers do
 
   def assign_defaults(socket, %{"user_token" => user_token} = _session) do
     socket
-    |> assign_new(:current_user, fn ->
-      Accounts.get_user_by_session_token(user_token)
-    end)
+    |> assign_new(:current_user, fn -> Accounts.get_user_by_session_token(user_token) end)
   end
 
   def assign_defaults(socket, _session) do

lib/cannery_web/live/tag_live/form_component.ex

@@ -4,29 +4,21 @@ defmodule CanneryWeb.TagLive.FormComponent do
   """
 
   use CanneryWeb, :live_component
-
   alias Cannery.Tags
   alias Ecto.Changeset
 
   @impl true
   def update(%{tag: tag} = assigns, socket) do
-    changeset = Tags.change_tag(tag)
-
-    {:ok,
-     socket
-     |> assign(assigns)
-     |> assign(:changeset, changeset)}
+    {:ok, socket |> assign(assigns) |> assign(:changeset, Tags.change_tag(tag))}
   end
 
   @impl true
-  def handle_event("validate", %{"tag" => tag_params}, socket) do
-    tag_params = tag_params |> Map.put("user_id", socket.assigns.current_user.id)
-    changeset = socket.assigns.tag |> Tags.change_tag(tag_params)
-    {:noreply, socket |> assign(:changeset, changeset)}
+  def handle_event("validate", %{"tag" => tag_params}, %{assigns: %{tag: tag}} = socket) do
+    {:noreply, socket |> assign(:changeset, tag |> Tags.change_tag(tag_params))}
   end
 
-  def handle_event("save", %{"tag" => tag_params}, socket) do
-    save_tag(socket, socket.assigns.action, tag_params)
+  def handle_event("save", %{"tag" => tag_params}, %{assigns: %{action: action}} = socket) do
+    save_tag(socket, action, tag_params)
   end
 
   @impl true
@@ -76,32 +68,39 @@ defmodule CanneryWeb.TagLive.FormComponent do
     """
   end
 
-  defp save_tag(socket, :edit, tag_params) do
-    case Tags.update_tag(socket.assigns.tag, tag_params) do
-      {:ok, _tag} ->
-        {:noreply,
-         socket
-         |> put_flash(:info, dgettext("prompts", "Tag updated successfully"))
-         |> push_redirect(to: socket.assigns.return_to)}
-
-      {:error, %Changeset{} = changeset} ->
-        {:noreply, socket |> assign(:changeset, changeset)}
-    end
-  end
-
-  defp save_tag(socket, :new, tag_params) do
+  defp save_tag(
+         %{assigns: %{tag: tag, current_user: current_user, return_to: return_to}} = socket,
+         :edit,
          tag_params
-    |> Map.put("user_id", socket.assigns.current_user.id)
-    |> Tags.create_tag()
-    |> case do
-      {:ok, _tag} ->
-        {:noreply,
-         socket
-         |> put_flash(:info, dgettext("prompts", "Tag created successfully"))
-         |> push_redirect(to: socket.assigns.return_to)}
+       ) do
+    socket =
+      case Tags.update_tag(tag, tag_params, current_user) do
+        {:ok, %{name: tag_name}} ->
+          prompt = dgettext("prompts", "%{name} updated successfully", name: tag_name)
+          socket |> put_flash(:info, prompt) |> push_redirect(to: return_to)
 
         {:error, %Changeset{} = changeset} ->
-        {:noreply, socket |> assign(changeset: changeset)}
+          socket |> assign(:changeset, changeset)
       end
+
+    {:noreply, socket}
+  end
+
+  defp save_tag(
+         %{assigns: %{current_user: current_user, return_to: return_to}} = socket,
+         :new,
+         tag_params
+       ) do
+    socket =
+      case Tags.create_tag(tag_params, current_user) do
+        {:ok, %{name: tag_name}} ->
+          prompt = dgettext("prompts", "%{name} created successfully", name: tag_name)
+          socket |> put_flash(:info, prompt) |> push_redirect(to: return_to)
+
+        {:error, %Changeset{} = changeset} ->
+          socket |> assign(changeset: changeset)
+      end
+
+    {:noreply, socket}
   end
 end

lib/cannery_web/live/tag_live/index.ex

@@ -14,14 +14,14 @@ defmodule CanneryWeb.TagLive.Index do
   end
 
   @impl true
-  def handle_params(params, _url, socket) do
-    {:noreply, apply_action(socket, socket.assigns.live_action, params)}
+  def handle_params(params, _url, %{assigns: %{live_action: live_action}} = socket) do
+    {:noreply, apply_action(socket, live_action, params)}
   end
 
-  defp apply_action(socket, :edit, %{"id" => id}) do
+  defp apply_action(%{assigns: %{current_user: current_user}} = socket, :edit, %{"id" => id}) do
     socket
     |> assign(:page_title, gettext("Edit Tag"))
-    |> assign(:tag, Tags.get_tag!(id))
+    |> assign(:tag, Tags.get_tag!(id, current_user))
   end
 
   defp apply_action(socket, :new, _params) do
@@ -31,21 +31,19 @@ defmodule CanneryWeb.TagLive.Index do
   end
 
   defp apply_action(socket, :index, _params) do
-    socket
-    |> assign(:page_title, gettext("Listing Tags"))
-    |> assign(:tag, nil)
+    socket |> assign(:page_title, gettext("Listing Tags")) |> assign(:tag, nil)
   end
 
   @impl true
-  def handle_event("delete", %{"id" => id}, socket) do
-    tag = Tags.get_tag!(id)
-    {:ok, _} = Tags.delete_tag(tag)
-    socket = socket |> put_flash(:info, dgettext("prompts", "Tag deleted succesfully"))
-    {:noreply, socket |> display_tags()}
+  def handle_event("delete", %{"id" => id}, %{assigns: %{current_user: current_user}} = socket) do
+    %{name: tag_name} = Tags.get_tag!(id, current_user) |> Tags.delete_tag!(current_user)
+
+    prompt = dgettext("prompts", "%{name} deleted succesfully", name: tag_name)
+
+    {:noreply, socket |> put_flash(:info, prompt) |> display_tags()}
   end
 
-  defp display_tags(socket) do
-    tags = Tags.list_tags(socket.assigns.current_user)
-    socket |> assign(tags: tags)
+  defp display_tags(%{assigns: %{current_user: current_user}} = socket) do
+    socket |> assign(tags: Tags.list_tags(current_user))
   end
 end

priv/gettext/actions.pot

@@ -95,7 +95,7 @@ msgstr ""
 #: lib/cannery_web/live/ammo_type_live/form_component.ex:155
 #: lib/cannery_web/live/container_live/form_component.ex:79
 #: lib/cannery_web/live/invite_live/form_component.ex:61
-#: lib/cannery_web/live/tag_live/form_component.ex:70
+#: lib/cannery_web/live/tag_live/form_component.ex:69
 msgid "Save"
 msgstr ""
 

priv/gettext/default.pot

@@ -305,7 +305,7 @@ msgstr ""
 #: lib/cannery_web/live/ammo_type_live/index.html.heex:26
 #: lib/cannery_web/live/container_live/form_component.ex:49
 #: lib/cannery_web/live/invite_live/form_component.ex:53
-#: lib/cannery_web/live/tag_live/form_component.ex:54
+#: lib/cannery_web/live/tag_live/form_component.ex:53
 msgid "Name"
 msgstr ""
 
@@ -451,7 +451,7 @@ msgid "Type:"
 msgstr ""
 
 #, elixir-format, ex-autogen
-#: lib/cannery_web/live/tag_live/form_component.ex:58
+#: lib/cannery_web/live/tag_live/form_component.ex:57
 msgid "Background color"
 msgstr ""
 
@@ -523,7 +523,7 @@ msgid "Tags can be added to your containers to help you organize"
 msgstr ""
 
 #, elixir-format, ex-autogen
-#: lib/cannery_web/live/tag_live/form_component.ex:64
+#: lib/cannery_web/live/tag_live/form_component.ex:63
 msgid "Text color"
 msgstr ""
 

priv/gettext/prompts.pot

@@ -98,7 +98,7 @@ msgstr ""
 #: lib/cannery_web/live/ammo_type_live/form_component.ex:156
 #: lib/cannery_web/live/container_live/form_component.ex:81
 #: lib/cannery_web/live/invite_live/form_component.ex:63
-#: lib/cannery_web/live/tag_live/form_component.ex:72
+#: lib/cannery_web/live/tag_live/form_component.ex:71
 msgid "Saving..."
 msgstr ""
 
@@ -152,16 +152,16 @@ msgid "Invite updated successfully"
 msgstr ""
 
 #, elixir-format, ex-autogen
-#: lib/cannery_web/live/tag_live/form_component.ex:100
+#: lib/cannery_web/live/tag_live/form_component.ex:98
 msgid "Tag created successfully"
 msgstr ""
 
 #, elixir-format, ex-autogen
-#: lib/cannery_web/live/tag_live/index.ex:43
+#: lib/cannery_web/live/tag_live/index.ex:45
 msgid "Tag deleted succesfully"
 msgstr ""
 
 #, elixir-format, ex-autogen
-#: lib/cannery_web/live/tag_live/form_component.ex:84
+#: lib/cannery_web/live/tag_live/form_component.ex:83
 msgid "Tag updated successfully"
 msgstr ""