<?php
/*+**********************************************************************************
 * The contents of this file are subject to the vtiger CRM Public License Version 1.0
 * ("License"); You may not use this file except in compliance with the License
 * The Original Code is:  vtiger CRM Open Source
 * The Initial Developer of the Original Code is vtiger.
 * Portions created by vtiger are Copyright (C) vtiger.
 * All Rights Reserved.
 ************************************************************************************/

class Vtiger_CRMEntity extends CRMEntity {
	var $db, $log; // Used in class functions of CRMEntity
	var $column_fields = Array();

	/** Indicator if this is a custom module or standard module */
	var $IsCustomModule = true;

	// Placeholder for sort fields - All the fields will be initialized for Sorting through initSortFields
	var $sortby_fields = Array();

	// Required Information for enabling Import feature
	var $required_fields = Array ('assigned_user_id'=>1);

	// Callback function list during Importing
	var $special_functions = Array('set_import_assigned_user');

	function __construct() {
		global $log;
		$this->column_fields = getColumnFields(get_class($this));
		$this->db = new PearDatabase();
		$this->log = $log;
	}

	function save_module($module) {
		// Custom Save for Module
	}

	/**
	 * Return query to use based on given modulename, fieldname
	 * Useful to handle specific case handling for Popup
	 */
	function getQueryByModuleField($module, $fieldname, $srcrecord) {
		// $srcrecord could be empty
	}

	/**
	 * Get list view query.
	 */
	function getListQuery($module, $where='') {
		$query = "SELECT vtiger_crmentity.*, $this->table_name.*";

		// Select Custom Field Table Columns if present
		if(!empty($this->customFieldTable)) $query .= ", " . $this->customFieldTable[0] . ".* ";

		$query .= " FROM $this->table_name";

		$query .= "	INNER JOIN vtiger_crmentity ON vtiger_crmentity.crmid = $this->table_name.$this->table_index";

		// Consider custom table join as well.
		if(!empty($this->customFieldTable)) {
			$query .= " INNER JOIN ".$this->customFieldTable[0]." ON ".$this->customFieldTable[0].'.'.$this->customFieldTable[1] .
				      " = $this->table_name.$this->table_index";
		}
		$query .= " LEFT JOIN vtiger_users ON vtiger_users.id = vtiger_crmentity.smownerid";
		$query .= " LEFT JOIN vtiger_groups ON vtiger_groups.groupid = vtiger_crmentity.smownerid";

		$linkedModulesQuery = $this->db->pquery("SELECT distinct fieldname, columnname, relmodule FROM vtiger_field" .
				" INNER JOIN vtiger_fieldmodulerel ON vtiger_fieldmodulerel.fieldid = vtiger_field.fieldid" .
				" WHERE uitype='10' AND vtiger_fieldmodulerel.module=?", array($module));
		$linkedFieldsCount = $this->db->num_rows($linkedModulesQuery);

		for($i=0; $i<$linkedFieldsCount; $i++) {
			$related_module = $this->db->query_result($linkedModulesQuery, $i, 'relmodule');
			$fieldname = $this->db->query_result($linkedModulesQuery, $i, 'fieldname');
			$columnname = $this->db->query_result($linkedModulesQuery, $i, 'columnname');

			$other = CRMEntity::getInstance($related_module);
			vtlib_setup_modulevars($related_module, $other);

			$query .= " LEFT JOIN $other->table_name ON $other->table_name.$other->table_index =".
					"$this->table_name.$columnname";
		}

		global $current_user;
		$query .= $this->getNonAdminAccessControlQuery($module,$current_user);
		$query .= "WHERE vtiger_crmentity.deleted = 0 ".$where;
		return $query;
	}

	/**
	 * Apply security restriction (sharing privilege) query part for List view.
	 */
	function getListViewSecurityParameter($module) {
		global $current_user;
		require('user_privileges/user_privileges_'.$current_user->id.'.php');
		require('user_privileges/sharing_privileges_'.$current_user->id.'.php');

		$sec_query = '';
		$tabid = getTabid($module);

		if($is_admin==false && $profileGlobalPermission[1] == 1 && $profileGlobalPermission[2] == 1
			&& $defaultOrgSharingPermission[$tabid] == 3) {

				$sec_query .= " AND (vtiger_crmentity.smownerid in($current_user->id) OR vtiger_crmentity.smownerid IN
					(
						SELECT vtiger_user2role.userid FROM vtiger_user2role
						INNER JOIN vtiger_users ON vtiger_users.id=vtiger_user2role.userid
						INNER JOIN vtiger_role ON vtiger_role.roleid=vtiger_user2role.roleid
						WHERE vtiger_role.parentrole LIKE '".$current_user_parent_role_seq."::%'
					)
					OR vtiger_crmentity.smownerid IN
					(
						SELECT shareduserid FROM vtiger_tmp_read_user_sharing_per
						WHERE userid=".$current_user->id." AND tabid=".$tabid."
					)
					OR
						(";

					// Build the query based on the group association of current user.
					if(sizeof($current_user_groups) > 0) {
						$sec_query .= " vtiger_crmentity.smownerid IN (". implode(",", $current_user_groups) .") OR ";
					}
					$sec_query .= " vtiger_crmentity.smownerid IN
						(
							SELECT vtiger_tmp_read_group_sharing_per.sharedgroupid
							FROM vtiger_tmp_read_group_sharing_per
							WHERE userid=".$current_user->id." and tabid=".$tabid."
						)";
				$sec_query .= ")
				)";
		}
		return $sec_query;
	}

	/**
	 * Create query to export the records.
	 */
	function create_export_query($where)
	{
		global $current_user,$currentModule;

		include("include/utils/ExportUtils.php");

		//To get the Permitted fields query and the permitted fields list
		$sql = getPermittedFieldsQuery('ServiceContracts', "detail_view");

		$fields_list = getFieldsListFromQuery($sql);

		$query = "SELECT $fields_list, vtiger_users.user_name AS user_name
					FROM vtiger_crmentity INNER JOIN $this->table_name ON vtiger_crmentity.crmid=$this->table_name.$this->table_index";

		if(!empty($this->customFieldTable)) {
			$query .= " INNER JOIN ".$this->customFieldTable[0]." ON ".$this->customFieldTable[0].'.'.$this->customFieldTable[1] .
				      " = $this->table_name.$this->table_index";
		}

		$query .= " LEFT JOIN vtiger_groups ON vtiger_groups.groupid = vtiger_crmentity.smownerid";
		$query .= " LEFT JOIN vtiger_users ON vtiger_crmentity.smownerid = vtiger_users.id and ".
		"vtiger_users.status='Active'";

		$linkedModulesQuery = $this->db->pquery("SELECT distinct fieldname, columnname, relmodule FROM vtiger_field" .
				" INNER JOIN vtiger_fieldmodulerel ON vtiger_fieldmodulerel.fieldid = vtiger_field.fieldid" .
				" WHERE uitype='10' AND vtiger_fieldmodulerel.module=?", array($thismodule));
		$linkedFieldsCount = $this->db->num_rows($linkedModulesQuery);

		for($i=0; $i<$linkedFieldsCount; $i++) {
			$related_module = $this->db->query_result($linkedModulesQuery, $i, 'relmodule');
			$fieldname = $this->db->query_result($linkedModulesQuery, $i, 'fieldname');
			$columnname = $this->db->query_result($linkedModulesQuery, $i, 'columnname');

			$other = CRMEntity::getInstance($related_module);
			vtlib_setup_modulevars($related_module, $other);

			$query .= " LEFT JOIN $other->table_name ON $other->table_name.$other->table_index = ".
					"$this->table_name.$columnname";
		}

		$query .= $this->getNonAdminAccessControlQuery($thismodule,$current_user);
		$where_auto = " vtiger_crmentity.deleted=0";

		if($where != '') $query .= " WHERE ($where) AND $where_auto";
		else $query .= " WHERE $where_auto";

		return $query;
	}

	/**
	 * Function which will give the basic query to find duplicates
	 */
	function getDuplicatesQuery($module,$table_cols,$field_values,$ui_type_arr,$select_cols='') {
		$select_clause = "SELECT ". $this->table_name .".".$this->table_index ." AS recordid, vtiger_users_last_import.deleted,".$table_cols;

		// Select Custom Field Table Columns if present
		if(isset($this->customFieldTable)) $query .= ", " . $this->customFieldTable[0] . ".* ";

		$from_clause = " FROM $this->table_name";

		$from_clause .= "	INNER JOIN vtiger_crmentity ON vtiger_crmentity.crmid = $this->table_name.$this->table_index";

		// Consider custom table join as well.
		if(isset($this->customFieldTable)) {
			$from_clause .= " INNER JOIN ".$this->customFieldTable[0]." ON ".$this->customFieldTable[0].'.'.$this->customFieldTable[1] .
				      " = $this->table_name.$this->table_index";
		}
		$from_clause .= " LEFT JOIN vtiger_users ON vtiger_users.id = vtiger_crmentity.smownerid
				LEFT JOIN vtiger_groups ON vtiger_groups.groupid = vtiger_crmentity.smownerid";

		$where_clause = "	WHERE vtiger_crmentity.deleted = 0";
		$where_clause .= $this->getListViewSecurityParameter($module);

		if (isset($select_cols) && trim($select_cols) != '') {
			$sub_query = "SELECT $select_cols FROM  $this->table_name AS t " .
				" INNER JOIN vtiger_crmentity AS crm ON crm.crmid = t.".$this->table_index;
			// Consider custom table join as well.
			if(isset($this->customFieldTable)) {
				$sub_query .= " INNER JOIN ".$this->customFieldTable[0]." tcf ON tcf.".$this->customFieldTable[1]." = t.$this->table_index";
			}
			$sub_query .= " WHERE crm.deleted=0 GROUP BY $select_cols HAVING COUNT(*)>1";
		} else {
			$sub_query = "SELECT $table_cols $from_clause $where_clause GROUP BY $table_cols HAVING COUNT(*)>1";
		}

		$query = $select_clause . $from_clause .
					" LEFT JOIN vtiger_users_last_import ON vtiger_users_last_import.bean_id=" . $this->table_name .".".$this->table_index .
					" INNER JOIN (" . $sub_query . ") AS temp ON ".get_on_clause($field_values,$ui_type_arr,$module) .
					$where_clause .
					" ORDER BY $table_cols,". $this->table_name .".".$this->table_index ." ASC";

		return $query;
	}
}