89 lines
2.5 KiB
Elixir
89 lines
2.5 KiB
Elixir
defmodule Web.AdminPostLive do
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use Web, :live_view
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def mount(_params, _session, socket) do
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{:ok, socket}
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end
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def handle_params(%{"post_id" => post_id}, _uri, socket) do
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post = Core.Posts.get!(post_id)
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form = Core.Posts.change_post(post, %{}) |> to_form()
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socket = assign(socket, post: post, form: form)
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{:noreply, socket}
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end
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def handle_params(%{"kind" => kind}, _uri, %{assigns: %{live_action: :new}} = socket)
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when kind in ~w[blog status] do
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post = %Schema.Post{kind: String.to_existing_atom(kind)}
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form = Core.Posts.change_post(post, %{}) |> to_form()
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socket = assign(socket, post: post, form: form)
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{:noreply, socket}
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end
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def handle_event("validate", %{"post" => attrs}, %{assigns: %{post: post}} = socket) do
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attrs =
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if update_slug?(post) and attrs["_unused_slug"] == "" do
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Map.put(attrs, "slug", Slug.slugify(attrs["title"]))
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else
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attrs
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end
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form = Core.Posts.change_post(post, attrs) |> to_form()
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socket = assign(socket, form: form)
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{:noreply, socket}
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end
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def handle_event("save", %{"post" => attrs}, %{assigns: %{post: post}} = socket) do
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socket =
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case Core.Posts.create_or_update_post(post, attrs) do
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{:ok, post} ->
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socket
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|> put_flash(:info, "post saved")
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|> push_patch(to: ~p"/admin/posts/#{post}", replace: true)
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{:error, changest} ->
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assign(socket, form: to_form(changest))
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end
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{:noreply, socket}
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end
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def render(assigns) do
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~H"""
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<main>
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<header>
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<h1>{page_title(@post, @live_action)}</h1>
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</header>
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<.form for={@form} phx-change="validate" phx-submit="save">
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<.input :if={@post.kind == :blog} type="text" field={@form[:title]} />
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<.input
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:if={@post.kind == :blog}
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type="text"
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field={@form[:slug]}
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disabled={not update_slug?(@post)}
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/>
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<.input type="textarea" field={@form[:body]} />
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<.button type="submit">save</.button>
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</.form>
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</main>
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"""
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end
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defp page_title(%Schema.Post{kind: :blog}, :new), do: "new blog"
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defp page_title(%Schema.Post{kind: :status}, :new), do: "new status"
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defp page_title(%Schema.Post{kind: :blog}, :edit), do: "edit blog"
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defp page_title(%Schema.Post{kind: :status}, :edit), do: "edit status"
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defp update_slug?(%Schema.Post{kind: :blog, published_at: published_at}),
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do: is_nil(published_at)
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defp update_slug?(_), do: true
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end
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