memEx/lib/memex_web/live/pipeline_live/show.ex

125 lines
3.2 KiB
Elixir

defmodule MemexWeb.PipelineLive.Show do
use MemexWeb, :live_view
alias Memex.{Pipelines, Pipelines.Steps, Pipelines.Steps.Step}
@impl true
def mount(_params, _session, socket) do
{:ok, socket}
end
@impl true
def handle_params(
%{"slug" => slug} = params,
_url,
%{assigns: %{current_user: current_user, live_action: live_action}} = socket
) do
pipeline =
case Pipelines.get_pipeline_by_slug(slug, current_user) do
nil -> raise MemexWeb.NotFoundError, gettext("%{slug} could not be found", slug: slug)
pipeline -> pipeline
end
socket =
socket
|> assign(:page_title, page_title(live_action, pipeline))
|> assign(:pipeline, pipeline)
|> assign(:steps, pipeline |> Steps.list_steps(current_user))
|> apply_action(live_action, params)
{:noreply, socket}
end
defp apply_action(socket, live_action, _params) when live_action in [:show, :edit] do
socket
end
defp apply_action(
%{
assigns: %{
steps: steps,
pipeline: %{id: pipeline_id},
current_user: %{id: current_user_id}
}
} = socket,
:add_step,
_params
) do
socket
|> assign(
step: %Step{
position: steps |> Enum.count(),
pipeline_id: pipeline_id,
user_id: current_user_id
}
)
end
defp apply_action(
%{assigns: %{current_user: current_user}} = socket,
:edit_step,
%{"step_id" => step_id}
) do
socket |> assign(step: step_id |> Steps.get_step!(current_user))
end
@impl true
def handle_event(
"delete",
_params,
%{assigns: %{pipeline: pipeline, current_user: current_user}} = socket
) do
{:ok, %{slug: slug}} = Pipelines.delete_pipeline(pipeline, current_user)
socket =
socket
|> put_flash(:info, gettext("%{slug} deleted", slug: slug))
|> push_navigate(to: ~p"/pipelines")
{:noreply, socket}
end
def handle_event(
"delete_step",
%{"step-id" => step_id},
%{assigns: %{pipeline: %{slug: pipeline_slug}, current_user: current_user}} = socket
) do
{:ok, %{title: title}} =
step_id
|> Steps.get_step!(current_user)
|> Steps.delete_step(current_user)
socket =
socket
|> put_flash(:info, gettext("%{title} deleted", title: title))
|> push_patch(to: ~p"/pipeline/#{pipeline_slug}")
{:noreply, socket}
end
def handle_event(
"reorder_step",
%{"step-id" => step_id, "direction" => direction},
%{assigns: %{pipeline: %{slug: pipeline_slug}, current_user: current_user}} = socket
) do
direction = if direction == "up", do: :up, else: :down
{:ok, _step} =
step_id
|> Steps.get_step!(current_user)
|> Steps.reorder_step(direction, current_user)
socket =
socket
|> push_patch(to: ~p"/pipeline/#{pipeline_slug}")
{:noreply, socket}
end
defp page_title(:show, %{slug: slug}), do: slug
defp page_title(live_action, %{slug: slug}) when live_action in [:edit, :edit_step],
do: gettext("edit %{slug}", slug: slug)
defp page_title(:add_step, %{slug: slug}), do: gettext("add step to %{slug}", slug: slug)
end