forked from hiway/freedive
135 lines
3.7 KiB
Elixir
135 lines
3.7 KiB
Elixir
defmodule FreediveWeb.LiliformLive do
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defmacro __using__(opts) do
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quote location: :keep, bind_quoted: [opts: opts] do
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use FreediveWeb, :live_view
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@behaviour FreediveWeb.LiliformLive
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@filters_all [
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%{
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title: "All",
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icon: "all",
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active: false,
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key: :all
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}
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]
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def(mount(_params, _session, socket)) do
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items = items()
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filters = filters()
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socket = assign(socket, :opts, Keyword.get(unquote(opts), :opts, []))
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socket = assign(socket, :items_all, items)
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socket = assign(socket, :selected_item, nil)
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socket = assign(socket, :details, nil)
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socket =
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assign(
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socket,
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:items,
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FreediveWeb.LiliformLive.filter(
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items,
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FreediveWeb.LiliformLive.get_active_filter(filters)
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)
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)
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socket = assign(socket, :filters, @filters_all ++ filters)
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socket = assign(socket, :query, "")
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{:ok, socket}
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end
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def(handle_event("search", %{"value" => query}, socket)) do
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filtered_items =
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FreediveWeb.LiliformLive.filter(
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socket.assigns.items_all,
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FreediveWeb.LiliformLive.get_active_filter(socket.assigns.filters)
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)
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searched_items = search(filtered_items, query)
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socket = assign(socket, :items, searched_items)
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socket =
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case Kernel.length(Map.keys(searched_items)) == 1 do
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true ->
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IO.inspect(Map.keys(searched_items) |> List.first())
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assign(socket, %{
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selected_item: Map.get(searched_items, Map.keys(searched_items) |> List.first()),
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details: true
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})
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false ->
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assign(socket, %{selected_item: nil, details: nil})
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end
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{:noreply, socket}
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end
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def(handle_event("filter", %{"key" => key}, socket)) do
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key = String.to_existing_atom(key)
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items = FreediveWeb.LiliformLive.filter(socket.assigns.items_all, key)
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socket = assign(socket, :items, items)
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socket =
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assign(
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socket,
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:filters,
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FreediveWeb.LiliformLive.update_active_filter(socket.assigns.filters, key)
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)
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{:noreply, socket}
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end
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def(handle_event("tap", %{"name" => item_name}, socket)) do
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# 1 tap to select, 2 taps for details
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item = socket.assigns.items[item_name]
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socket =
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case socket.assigns.selected_item do
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nil ->
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assign(socket, :selected_item, item)
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selected ->
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case selected.name == item_name do
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true ->
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case socket.assigns.details do
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nil ->
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assign(socket, :details, true)
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_ ->
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assign(socket, %{selected_item: item, details: nil})
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end
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false ->
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assign(socket, %{selected_item: item, details: nil})
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end
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end
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{:noreply, socket}
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end
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end
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end
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@callback items() :: [map]
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@callback filters() :: [map]
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@callback search(items :: [map], query :: String.t()) :: [map]
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def filter(items, key) do
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case key do
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:all ->
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items
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_ ->
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items
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|> Enum.filter(fn {_name, item} -> item[key] == true end)
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|> Enum.into(%{}, fn {name, item} -> {name, item} end)
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end
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end
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def get_active_filter(filters) do
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filters |> Enum.find(& &1.active) |> Map.get(:key)
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end
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def update_active_filter(filters, key) do
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filters
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|> Enum.map(fn filter ->
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Map.put(filter, :active, filter.key == key)
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end)
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end
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end
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