add nova

nova/src/Dashboard.php

@@ -0,0 +1,99 @@
+<?php
+
+namespace Laravel\Nova;
+
+use Illuminate\Http\Request;
+use Illuminate\Support\Str;
+use Laravel\Nova\Menu\MenuItem;
+
+abstract class Dashboard extends Element implements HasMenu
+{
+    use AuthorizedToSee;
+    use Makeable;
+    use Metable;
+    use ProxiesCanSeeToGate;
+
+    /**
+     * The displayable name of the dashboard.
+     *
+     * @var string
+     */
+    public $name;
+
+    /**
+     * Determines whether Nova should show a refresh button.
+     *
+     * @var bool
+     */
+    public $showRefreshButton = false;
+
+    /**
+     * Get the key value for the dashboard.
+     *
+     * @return string
+     */
+    public function key()
+    {
+        return md5($this->label());
+    }
+
+    /**
+     * Get the displayable name of the dashboard.
+     *
+     * @return string
+     */
+    public function name()
+    {
+        return $this->name ?: Nova::humanize($this);
+    }
+
+    /**
+     * Get the displayable name of the dashboard.
+     *
+     * @return string
+     */
+    public function label()
+    {
+        return $this->name();
+    }
+
+    /**
+     * Get the URI key of the dashboard.
+     *
+     * @return string
+     */
+    public function uriKey()
+    {
+        return Str::singular(Str::snake(class_basename(get_called_class()), '-'));
+    }
+
+    /**
+     * Get the cards that should be displayed on the Nova dashboard.
+     *
+     * @return array
+     */
+    abstract public function cards();
+
+    /**
+     * Build the menu that renders the navigation links for the tool.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return mixed
+     */
+    public function menu(Request $request)
+    {
+        return MenuItem::dashboard(static::class);
+    }
+
+    /**
+     * Show a refresh button for the dashboard.
+     *
+     * @return $this
+     */
+    public function showRefreshButton()
+    {
+        $this->showRefreshButton = true;
+
+        return $this;
+    }
+}