feature: Show composer status in web validate. (#8181)

* Show composer status in web validate.
Don't duplicate in validate.php

* Create variable to check if a group has been completed.
No longer skips database checks.
Extract a base class.
Fix locate_binary and find_executable issues (mostly exposed by lack of db)

* Update Validator.php

LibreNMS/Validations/BaseValidation.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * BaseValidation.php
+ *
+ * -Description-
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @package    LibreNMS
+ * @link       http://librenms.org
+ * @copyright  2018 Tony Murray
+ * @author     Tony Murray <murraytony@gmail.com>
+ */
+
+namespace LibreNMS\Validations;
+
+use LibreNMS\Interfaces\ValidationGroup;
+
+abstract class BaseValidation implements ValidationGroup
+{
+    protected $completed = false;
+    protected static $RUN_BY_DEFAULT = true;
+
+    /**
+     * Returns if this test should be run by default or not.
+     *
+     * @return bool
+     */
+    public function isDefault()
+    {
+        return static::$RUN_BY_DEFAULT;
+    }
+
+    /**
+     * Returns true if this group has been run
+     *
+     * @return bool
+     */
+    public function isCompleted()
+    {
+        return $this->completed ;
+    }
+
+    /**
+     * Mark this group as completed
+     *
+     * @return void
+     */
+    public function markCompleted()
+    {
+        $this->completed = true;
+    }
+}