<?php
/* Copyright (C) 2017   Laurent Destailleur  <eldy@users.sourcefore.net>
 *
 * 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/>.
 */

/**
 * 	\defgroup   blockedlog   Module BlockedLog
 *  \brief      Add a log into a block chain for some actions.
 *  \file       htdocs/core/modules/modBlockedLog.class.php
 *  \ingroup    blockedlog
 *  \brief      Description and activation file for module BlockedLog
 */
include_once DOL_DOCUMENT_ROOT .'/core/modules/DolibarrModules.class.php';

/**
 *	Class to describe a BlockedLog module
 */
class modBlockedLog extends DolibarrModules
{
    /**
	 *   Constructor. Define names, constants, directories, boxes, permissions
	 *
	 *   @param      DoliDB		$db      Database handler
     */
    function __construct($db)
    {
    	global $langs, $conf, $mysoc;

        $this->db = $db;
        $this->numero = 3200;
        // Key text used to identify module (for permissions, menus, etc...)
        $this->rights_class = 'blockedlog';

		// Family can be 'crm','financial','hr','projects','products','ecm','technic','other'
		// It is used to group modules in module setup page
        $this->family = "base";
        // Module position in the family on 2 digits ('01', '10', '20', ...)
        $this->module_position = '90';
        // Module label (no space allowed), used if translation string 'ModuleXXXName' not found (where XXX is value of numeric property 'numero' of module)
        $this->name = preg_replace('/^mod/i','',get_class($this));
        $this->description = "Enable a log on some business events into a non reversible log. This module may be mandatory for some countries.";
		// Possible values for version are: 'development', 'experimental', 'dolibarr' or version
        $this->version = 'dolibarr';
        // Key used in llx_const table to save module status enabled/disabled (where MYMODULE is value of property name of module in uppercase)
        $this->const_name = 'MAIN_MODULE_'.strtoupper($this->name);
        // Where to store the module in setup page (0=common,1=interface,2=others,3=very specific)
        $this->special = 2;
        // Name of image file used for this module.
        $this->picto='technic';

        // Data directories to create when module is enabled
        $this->dirs = array();

        // Config pages
        //-------------
        $this->config_page_url = array('blockedlog.php?withtab=1@blockedlog');

        // Dependancies
        //-------------
	    $this->hidden = false;	// A condition to disable module
	    $this->depends = array('always'=>'modFacture');	   // List of modules id that must be enabled if this module is enabled
        $this->requiredby = array();	                   // List of modules id to disable if this one is disabled
	    $this->conflictwith = array();	                   // List of modules id this module is in conflict with
        $this->langfiles = array('blockedlog');

        $this->warnings_activation = array();                     // Warning to show when we activate module. array('always'='text') or array('FR'='textfr','ES'='textes'...)
        $this->warnings_activation_ext = array();                 // Warning to show when we activate an external module. array('always'='text') or array('FR'='textfr','ES'='textes'...)
        $this->warnings_unactivation = array('FR'=>'BlockedLogAreRequiredByYourCountryLegislation');

        // Currently, activation is not automatic because only companies (in France) making invoices to non business customers must
        // enable this module.
        /*if (! empty($conf->global->BLOCKEDLOG_DISABLE_NOT_ALLOWED_FOR_COUNTRY))
        {
        	$tmp=explode(',', $conf->global->BLOCKEDLOG_DISABLE_NOT_ALLOWED_FOR_COUNTRY);
        	$this->automatic_activation = array();
        	foreach($tmp as $key)
        	{
        		$this->automatic_activation[$key]='BlockedLogActivatedBecauseRequiredByYourCountryLegislation';
        	}
        }*/
        //var_dump($this->automatic_activation);

        $this->always_enabled = (!empty($conf->blockedlog->enabled)
        	&& !empty($conf->global->BLOCKEDLOG_DISABLE_NOT_ALLOWED_FOR_COUNTRY)
        	&& in_array($mysoc->country_code, explode(',', $conf->global->BLOCKEDLOG_DISABLE_NOT_ALLOWED_FOR_COUNTRY))
        	&& $this->alreadyUsed(1));

        // Constants
        //-----------
        $this->const = array(
        	1=>array('BLOCKEDLOG_DISABLE_NOT_ALLOWED_FOR_COUNTRY', 'chaine', 'FR', 'This is list of country code where the module may be mandatory', 0, 'current', 0)
        );

        // New pages on tabs
        // -----------------
        $this->tabs = array();

        // Boxes
        //------
        $this->boxes = array();

        // Permissions
        // -----------------
        $this->rights = array();		// Permission array used by this module

        $r=0;
        $this->rights[$r][0] = $this->numero + $r;	// Permission id (must not be already used)
        $this->rights[$r][1] = 'Read archived events and fingerprints';	// Permission label
        $this->rights[$r][3] = 0; 					// Permission by default for new user (0/1)
        $this->rights[$r][4] = 'read';				// In php code, permission will be checked by test if ($user->rights->mymodule->level1->level2)
        $this->rights[$r][5] = '';

        // Main menu entries
        // -----------------
        $r=0;
        $this->menu[$r]=array(
        'fk_menu'=>'fk_mainmenu=tools',		    // Use 'fk_mainmenu=xxx' or 'fk_mainmenu=xxx,fk_leftmenu=yyy' where xxx is mainmenucode and yyy is a leftmenucode
        'mainmenu'=>'tools',
        'leftmenu'=>'blockedlogbrowser',
        'type'=>'left',			                // This is a Left menu entry
        'titre'=>'BrowseBlockedLog',
        'url'=>'/blockedlog/admin/blockedlog_list.php?mainmenu=tools&leftmenu=blockedlogbrowser',
        'langs'=>'blockedlog',	        // Lang file to use (without .lang) by module. File must be in langs/code_CODE/ directory.
        'position'=>200,
        'enabled'=>'$conf->blockedlog->enabled',  // Define condition to show or hide menu entry. Use '$conf->mymodule->enabled' if entry must be visible if module is enabled. Use '$leftmenu==\'system\'' to show if leftmenu system is selected.
        'perms'=>'$user->rights->blockedlog->read',			    // Use 'perms'=>'$user->rights->mymodule->level1->level2' if you want your menu with a permission rules
        'target'=>'',
        'user'=>2);				                // 0=Menu for internal users, 1=external users, 2=both
        $r++;
    }


    /**
     * Check if module was already used before unactivation linked to warnings_unactivation property
     *
     * @return	boolean		True if already used, otherwise False
     */
    function alreadyUsed() {

    	require_once DOL_DOCUMENT_ROOT.'/blockedlog/class/blockedlog.class.php';
    	$b=new BlockedLog($this->db);
    	return $b->alreadyUsed(1);
    }


    /**
     *      Function called when module is enabled.
     *      The init function add constants, boxes, permissions and menus (defined in constructor) into Dolibarr database.
     *      It also creates data directories.
     *
     *      @param      string	$options    Options when enabling module ('', 'noboxes')
     *      @return     int             	1 if OK, 0 if KO
     */
    function init($options='')
    {
    	global $conf, $user;

    	$sql = array();

    	// If already used, we add an entry to show we enable module
   		require_once DOL_DOCUMENT_ROOT.'/blockedlog/class/blockedlog.class.php';

   		$object=new stdClass();
    	$object->id = 1;
    	$object->element = 'module';
    	$object->ref = 'systemevent';
    	$object->entity = $conf->entity;
    	$object->date = dol_now();

    	$b=new BlockedLog($this->db);
    	$result = $b->setObjectData($object, 'MODULE_SET', 0);
    	if ($result < 0)
    	{
    		$this->error = $b->error;
    		$this->errors = $b->erros;
    		return 0;
    	}

    	$res = $b->create($user);
    	if ($res<=0) {
    		$this->error = $b->error;
    		$this->errors = $b->errors;
    		return $res;
    	}

    	return $this->_init($sql, $options);
    }

    /**
	 * Function called when module is disabled.
	 * The remove function removes tabs, constants, boxes, permissions and menus from Dolibarr database.
	 * Data directories are not deleted
	 *
	 * @param      string	$options    Options when enabling module ('', 'noboxes')
	 * @return     int             		1 if OK, 0 if KO
	 */
    function remove($options = '') {

    	global $conf, $user;

    	$sql = array();

		// If already used, we add an entry to show we enable module
		require_once DOL_DOCUMENT_ROOT.'/blockedlog/class/blockedlog.class.php';

		$object=new stdClass();
    	$object->id = 1;
    	$object->element = 'module';
    	$object->ref = 'systemevent';
    	$object->entity = $conf->entity;
    	$object->date = dol_now();

    	$b=new BlockedLog($this->db);
    	$result = $b->setObjectData($object, 'MODULE_RESET', 0);
    	if ($result < 0)
    	{
    		$this->error = $b->error;
    		$this->errors = $b->erros;
    		return 0;
    	}

    	if ($b->alreadyUsed(1))
    	{
    		$res = $b->create($user, '0000000000');		// If already used for something else than SET or UNSET, we log with error
    	}
    	else
    	{
    		$res = $b->create($user);
    	}
	    if ($res<=0) {
	    	$this->error = $b->error;
	    	$this->errors = $b->errors;
	    	return $res;
    	}

    	return $this->_remove($sql, $options);
    }
}
