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lib/livebook_web/live/settings_live/add_file_system_component.ex
defmodule LivebookWeb.SettingsLive.AddFileSystemComponent do
use LivebookWeb, :live_component
alias Livebook.FileSystem
@impl true
def mount(socket) do
{:ok, assign(socket, data: empty_data(), error_message: nil)}
end
@impl true
def render(assigns) do
~H"""
<div class="p-6 flex flex-col space-y-5">
<h3 class="text-2xl font-semibold text-gray-800">
Add file system
</h3>
<p class="text-gray-700">
Configure an AWS S3 bucket as a Livebook file system.
Many storage services offer an S3-compatible API and
those work as well.
</p>
<div :if={@error_message} class="error-box">
<%= @error_message %>
</div>
<.form
:let={f}
for={@data}
as={:data}
phx-target={@myself}
phx-submit="add"
phx-change="validate"
autocomplete="off"
spellcheck="false"
>
<div class="flex flex-col space-y-4">
<.text_field
field={f[:bucket_url]}
label="Bucket URL"
placeholder="https://s3.[region].amazonaws.com/[bucket]"
/>
<.text_field field={f[:region]} label="Region (optional)" />
<.password_field field={f[:access_key_id]} label="Access Key ID" />
<.password_field field={f[:secret_access_key]} label="Access Key ID" />
<div class="flex space-x-2">
<button class="button-base button-blue" type="submit" disabled={not data_valid?(@data)}>
Add
</button>
<.link patch={@return_to} class="button-base button-outlined-gray">
Cancel
</.link>
</div>
</div>
</.form>
</div>
"""
end
@impl true
def handle_event("validate", %{"data" => data}, socket) do
{:noreply, assign(socket, :data, data)}
end
def handle_event("add", %{"data" => data}, socket) do
file_system = data_to_file_system(data)
default_dir = FileSystem.File.new(file_system)
case FileSystem.File.list(default_dir) do
{:ok, _} ->
Livebook.Settings.save_file_system(file_system)
send(self(), {:file_systems_updated, Livebook.Settings.file_systems()})
{:noreply, push_patch(socket, to: socket.assigns.return_to)}
{:error, message} ->
{:noreply, assign(socket, error_message: "Connection test failed: " <> message)}
end
end
defp empty_data() do
%{"bucket_url" => "", "region" => "", "access_key_id" => "", "secret_access_key" => ""}
end
defp data_valid?(data) do
Livebook.Utils.valid_url?(data["bucket_url"]) and data["access_key_id"] != "" and
data["secret_access_key"] != ""
end
defp data_to_file_system(data) do
region = if(data["region"] != "", do: data["region"])
FileSystem.S3.new(data["bucket_url"], data["access_key_id"], data["secret_access_key"],
region: region
)
end
end