validate max songs per account in upload form

This commit is contained in:
Berenice Medel 2021-11-17 15:31:34 -06:00
parent 809a8de665
commit 74c720180e
4 changed files with 74 additions and 8 deletions

View file

@ -4,6 +4,8 @@ defmodule LiveBeats.Accounts.User do
alias LiveBeats.Accounts.{User, Identity}
@max_songs 30
schema "users" do
field :email, :string
field :name, :string
@ -14,6 +16,7 @@ defmodule LiveBeats.Accounts.User do
field :active_profile_user_id, :id
field :avatar_url, :string
field :external_homepage_url, :string
field :songs_number, :integer
has_many :identities, Identity
@ -59,6 +62,13 @@ defmodule LiveBeats.Accounts.User do
|> validate_username()
end
def songs_changeset(%User{} = user, params) do
user
|> cast(params, [:songs_number])
|> validate_required([:songs_number])
|> validate_number(:songs_number, less_than_or_equal_to: @max_songs)
end
defp validate_email(changeset) do
changeset
|> validate_required([:email])

View file

@ -157,6 +157,16 @@ defmodule LiveBeats.MediaLibrary do
Ecto.Multi.insert(acc, {:song, ref}, chset)
end)
|> Ecto.Multi.update(:update_songs_number, fn acc ->
new_songs = acc |> Enum.filter(&match?({{:song, _ref}, _}, &1)) |> Enum.count()
user = Accounts.get_user!(user.id)
user_params = %{
songs_number: user.songs_number + new_songs
}
Accounts.User.songs_changeset(user, user_params)
end)
case LiveBeats.Repo.transaction(multi) do
{:ok, results} ->
@ -169,8 +179,17 @@ defmodule LiveBeats.MediaLibrary do
end)
|> Enum.into(%{})}
{:error, _failed_op, _failed_val, _changes} ->
{:error, :invalid}
{:error, failed_op, failed_val, _changes} ->
reason =
case {failed_op, format_errors(failed_val)} do
{:update_songs_number, %{songs_number: _errors}} ->
{:songs_number, :songs_limit_exceeded}
_ ->
{:form, :invalid}
end
{:error, reason}
end
end
@ -338,4 +357,12 @@ defmodule LiveBeats.MediaLibrary do
end
defp topic(user_id) when is_integer(user_id), do: "profile:#{user_id}"
defp format_errors(changeset) do
Changeset.traverse_errors(changeset, fn {message, opts} ->
Regex.replace(~r"%{(\w+)}", message, fn _, key ->
opts |> Keyword.get(String.to_existing_atom(key), key) |> to_string()
end)
end)
end
end

View file

@ -56,8 +56,12 @@ defmodule LiveBeatsWeb.SongLive.UploadFormComponent do
|> put_flash(:info, "#{map_size(songs)} song(s) uploaded")
|> push_redirect(to: profile_path(current_user))}
{:error, _reason} ->
{:noreply, socket}
{:error, error} ->
updated_socket =
socket
|> update(:error_messages, &Enum.take(&1 ++ [error], -10))
{:noreply, updated_socket}
end
end
end
@ -148,6 +152,11 @@ defmodule LiveBeatsWeb.SongLive.UploadFormComponent do
defp file_error(%{kind: :not_accepted} = assigns), do: ~H|not a valid MP3 file|
defp file_error(%{kind: :too_many_files} = assigns), do: ~H|too many files|
defp file_error(%{kind: :songs_limit_exceeded} = assigns),
do: ~H|You exceeded the limit of songs per account|
defp file_error(%{kind: :invalid} = assigns), do: ~H|Something went wrong|
defp file_error(%{kind: {msg, opts}} = assigns) when is_binary(msg) and is_list(opts) do
~H|<%= LiveBeatsWeb.ErrorHelpers.translate_error(@kind) %>|
end
@ -190,7 +199,7 @@ defmodule LiveBeatsWeb.SongLive.UploadFormComponent do
socket
|> cancel_upload(:mp3, entry.ref)
|> drop_changeset(entry.ref)
|> update(:error_messages, &(Enum.take(&1 ++ [{entry.client_name, reason}], -10)))
|> update(:error_messages, &Enum.take(&1 ++ [{entry.client_name, reason}], -10))
end
defp get_entry!(socket, entry_ref) do

View file

@ -0,0 +1,20 @@
defmodule LiveBeats.Repo.Migrations.AddSongsNumberToUsers do
use Ecto.Migration
def up do
alter table(:users) do
add :songs_number, :integer, null: false, default: 0
end
execute("
UPDATE users set songs_number =
(SELECT count (*) from songs
where songs.user_id = users.id)")
end
def down do
alter table(:users) do
remove :songs_number
end
end
end