mitgliederverwaltung/lib/mv_web/member_live/form_component.ex
Moritz 43ef11f869
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add liveview
2025-05-14 17:47:58 +02:00

127 lines
3.4 KiB
Elixir

defmodule MvWeb.MemberLive.FormComponent do
use MvWeb, :live_component
@impl true
def mount(socket) do
{:ok, property_types} = Mv.Membership.list_property_types()
initial_properties =
Enum.map(property_types, fn pt ->
%{
"property_type_id" => pt.id,
"value" => nil
}
end)
{:ok, assign(socket, property_types: property_types, initial_properties: initial_properties)}
end
@impl true
def render(assigns) do
~H"""
<div>
<.header>
{@title}
<:subtitle>Use this form to manage member records and their properties.</:subtitle>
</.header>
<.simple_form
for={@form}
id="member-form"
phx-target={@myself}
phx-change="validate"
phx-submit="save"
>
<.inputs_for :let={f_property} field={@form[:properties]}>
<% type = Enum.find(@property_types, &(&1.id == f_property[:property_type_id].value)) %>
<.input field={f_property[:value]} label={type && type.name} />
<input
type="hidden"
name={f_property[:property_type_id].name}
value={f_property[:property_type_id].value}
/>
</.inputs_for>
<:actions>
<.button phx-disable-with="Saving...">Save Member</.button>
</:actions>
</.simple_form>
</div>
"""
end
@impl true
def update(assigns, socket) do
{:ok,
socket
|> assign(assigns)
|> assign_form()}
end
@impl true
def handle_event("validate", %{"member" => member_params}, socket) do
{:noreply, assign(socket, form: AshPhoenix.Form.validate(socket.assigns.form, member_params))}
end
def handle_event("save", %{"member" => member_params}, socket) do
case AshPhoenix.Form.submit(socket.assigns.form, params: member_params) do
{:ok, member} ->
notify_parent({:saved, member})
socket =
socket
|> put_flash(:info, "Member #{socket.assigns.form.source.type}d successfully")
|> push_patch(to: socket.assigns.patch)
{:noreply, socket}
{:error, form} ->
{:noreply, assign(socket, form: form)}
end
end
defp notify_parent(msg), do: send(self(), {__MODULE__, msg})
defp assign_form(%{assigns: %{member: member}} = socket) do
form =
if member do
{:ok, member} = Ash.load(member, properties: [:property_type])
existing_properties =
member.properties
|> Enum.map(& &1.property_type_id)
is_missing_property = fn i ->
not Enum.member?(existing_properties, Map.get(i, "property_type_id"))
end
form =
AshPhoenix.Form.for_update(
member,
:update_member,
api: Mv.Membership,
as: "member",
forms: [auto?: true]
)
missing_properties = Enum.filter(socket.assigns[:initial_properties], is_missing_property)
Enum.reduce(
missing_properties,
form,
&AshPhoenix.Form.add_form(&2, [:properties], params: &1)
)
else
AshPhoenix.Form.for_create(
Mv.Membership.Member,
:create_member,
api: Mv.Membership,
as: "member",
params: %{"properties" => socket.assigns[:initial_properties]},
forms: [auto?: true]
)
end
assign(socket, form: to_form(form))
end
end