<?php
# MantisBT - A PHP based bugtracking system

# MantisBT 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 2 of the License, or
# (at your option) any later version.
#
# MantisBT 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 MantisBT.  If not, see <http://www.gnu.org/licenses/>.

/**
 * A webservice interface to Mantis Bug Tracker
 *
 * @package MantisBT
 * @copyright Copyright 2004  Victor Boctor - vboctor@users.sourceforge.net
 * @copyright Copyright 2005  MantisBT Team - mantisbt-dev@lists.sourceforge.net
 * @link http://www.mantisbt.org
 */

# Path to MantisBT is assumed to be the grand parent directory.  If this is not
# the case, then this variable should be set to the MantisBT path.
# This can not be a configuration option, then MantisConnect configuration
# needs MantisBT to be included first to make use of the constants and possibly
# configuration defined in MantisBT.

require_api( 'filter_constants_inc.php' );

// doesn't contain 'custom_fields' and project_id
$g_soap_api_to_filter_names = array(
	'search' => FILTER_PROPERTY_SEARCH,
	'category' => FILTER_PROPERTY_CATEGORY_ID,
	'severity_id' => FILTER_PROPERTY_SEVERITY,
	'status_id' => FILTER_PROPERTY_STATUS,
	'priority_id' => FILTER_PROPERTY_PRIORITY,
	'reporter_id' => FILTER_PROPERTY_REPORTER_ID,
	'handler_id' => FILTER_PROPERTY_HANDLER_ID,
	'note_user_id' => FILTER_PROPERTY_NOTE_USER_ID,
	'resolution_id' => FILTER_PROPERTY_RESOLUTION,
	'product_version' => FILTER_PROPERTY_VERSION,

	'user_monitor_id' => FILTER_PROPERTY_MONITOR_USER_ID,
	'hide_status_id' => FILTER_PROPERTY_HIDE_STATUS,
	'sort' => FILTER_PROPERTY_SORT_FIELD_NAME,
	'sort_direction' => FILTER_PROPERTY_SORT_DIRECTION,
	'sticky' => FILTER_PROPERTY_STICKY,
	'view_state' => FILTER_PROPERTY_VIEW_STATE,
	'fixed_in_version' => FILTER_PROPERTY_FIXED_IN_VERSION,
	'target_version' => FILTER_PROPERTY_TARGET_VERSION,
	'platform' => FILTER_PROPERTY_PLATFORM,
	'os' => FILTER_PROPERTY_OS,
	'os_build' => FILTER_PROPERTY_OS_BUILD,
	'start_day' => FILTER_PROPERTY_DATE_SUBMITTED_START_DAY,
	'start_month' => FILTER_PROPERTY_DATE_SUBMITTED_START_MONTH,
	'start_year' => FILTER_PROPERTY_DATE_SUBMITTED_START_YEAR,
	'end_day' => FILTER_PROPERTY_DATE_SUBMITTED_END_DAY,
	'end_month' => FILTER_PROPERTY_DATE_SUBMITTED_END_MONTH,
	'end_year' => FILTER_PROPERTY_DATE_SUBMITTED_END_YEAR,
	'last_update_start_day' => FILTER_PROPERTY_LAST_UPDATED_START_DAY,
	'last_update_start_month' => FILTER_PROPERTY_LAST_UPDATED_START_MONTH,
	'last_update_start_year' => FILTER_PROPERTY_LAST_UPDATED_START_YEAR,
	'last_update_end_day' => FILTER_PROPERTY_LAST_UPDATED_END_DAY,
	'last_update_end_month' => FILTER_PROPERTY_LAST_UPDATED_END_MONTH,
	'last_update_end_year' => FILTER_PROPERTY_LAST_UPDATED_END_YEAR,
	'tag_string' => FILTER_PROPERTY_TAG_STRING,
	'tag_select' => FILTER_PROPERTY_TAG_SELECT,
);


/**
 * Get all user defined issue filters for the given project.
 *
 * @param string  $p_username   The name of the user trying to access the filters.
 * @param string  $p_password   The password of the user.
 * @param integer $p_project_id The id of the project to retrieve filters for or null to get all filters.
 * @param integer|null $p_filter_id null to get all, or integer to get specified filter id.
 * @return array that represents a FilterDataArray structure
 */
function mc_filter_get( $p_username, $p_password, $p_project_id, $p_filter_id = null ) {
	$t_user_id = mci_check_login( $p_username, $p_password );
	if( $t_user_id === false ) {
		return mci_fault_login_failed();
	}

	if( !mci_has_readonly_access( $t_user_id, $p_project_id ) ) {
		return mci_fault_access_denied( $t_user_id );
	}

	$t_result = array();
	$t_filter_rows = filter_db_get_available_queries(
		$p_project_id,
		$t_user_id,
		$p_project_id !== null,   # Filter by Project?
		false );                  # Return names only?

	foreach( $t_filter_rows as $t_filter_row ) {
		if( $p_filter_id !== null && (int)$p_filter_id != (int)$t_filter_row['id'] ) {
			continue;
		}

		if( ApiObjectFactory::$soap ) {	
			$t_filter = array();
			$t_filter['id'] = (int)$t_filter_row['id'];
			$t_filter['name'] = $t_filter_row['name'];
			$t_filter['owner'] = mci_account_get_array_by_id( $t_filter_row['user_id'] );
			$t_filter['is_public'] = $t_filter_row['is_public'];
			$t_filter['project_id'] = $t_filter_row['project_id'];
			$t_filter['filter_string'] = $t_filter_row['filter_string'];
			$t_filter['url'] = $t_filter_row['url'];
		} else {
			$t_lang = mci_get_user_lang( $t_user_id );
			$converter = new FilterConverter( $t_user_id, $t_lang );
			$t_filter = $converter->filterToJson( $t_filter_row );
		}

		$t_result[] = $t_filter;
	}

	return $t_result;
}

/**
 * Delete the specified filter.
 *
 * @param integer $p_filter_id The filter id to delete.
 * @return boolean|RestFault|SoapFault true or fault.
 */
function mci_filter_delete( $p_filter_id ) {
	$t_user_id = auth_get_current_user_id();

	$t_filter = filter_get_row( $p_filter_id );
	if( !$t_filter ) {
		return ApiObjectFactory::faultNotFound( 'Filter not found' );
	}

	# Treat unnamed filters as not found.  They are not exposed via the REST API
	if( !filter_is_named_filter( $p_filter_id ) ) {
		return ApiObjectFactory::faultNotFound( 'Filter not found' );
	}

	if( !mci_has_readwrite_access( $t_user_id, $t_filter['project_id'] ) ) {
		return mci_fault_access_denied();
	}

	if( !filter_db_delete_filter( $p_filter_id ) ) {
		return mci_fault_access_denied();
	}

	return true;
}

/**
 * Get all issues matching the specified filter.
 *
 * @param string  $p_username    The name of the user trying to access the filters.
 * @param string  $p_password    The password of the user.
 * @param integer $p_project_id  The id of the project to retrieve filters for.
 * @param integer|string $p_filter_id The id of the filter to apply,
 *                               or standard filter (see FILTER_STANDARD_* constants).
 * @param integer $p_page_number Start with the given page number (zero-based).
 * @param integer $p_per_page    Number of issues to display per page.
 * @return array that represents an IssueDataArray structure
 */
function mc_filter_get_issues( $p_username, $p_password, $p_project_id, $p_filter_id, $p_page_number, $p_per_page ) {
	$t_user_id = mci_check_login( $p_username, $p_password );
	if( $t_user_id === false ) {
		return mci_fault_login_failed();
	}

	$t_lang = mci_get_user_lang( $t_user_id );

	if( !mci_has_readonly_access( $t_user_id, $p_project_id ) ) {
		return mci_fault_access_denied( $t_user_id );
	}

	if( is_numeric( $p_filter_id ) ) {
		$t_filter = filter_get( $p_filter_id );
	} else {
		$t_filter = filter_standard_get( $p_filter_id, $t_user_id, $p_project_id );
	}

	if( $t_filter === null ) {
		return ApiObjectFactory::faultNotFound( "Unknown filter '$p_filter_id'" );
	}

	if( $t_filter === false ) {
		return ApiObjectFactory::faultServerError( "Invalid Filter '$p_filter_id'" );
	}

	# TODO: we should have a better way to do this.
	global $g_project_override;
	$g_project_override = $p_project_id;	

	$t_orig_page_number = $p_page_number < 1 ? 1 : $p_page_number;
	$t_page_count = 0;
	$t_bug_count = 0;
	$t_show_sticky = false;

	$t_rows = filter_get_bug_rows(
		$p_page_number,
		$p_per_page,
		$t_page_count,
		$t_bug_count,
		$t_filter,
		$p_project_id,
		$t_user_id,
		$t_show_sticky );

	# the page number was moved back, so we have exceeded the actual page number, see bug #12991
	if( $t_orig_page_number > $p_page_number ) {
		return array();
	}

	$t_result = array();
	foreach( $t_rows as $t_issue_data ) {
		$t_result[] = mci_issue_data_as_array( $t_issue_data, $t_user_id, $t_lang );
	}

	return $t_result;
}

/**
 * Get the issue headers that match the specified filter and paging details.
 *
 * @param string  $p_username    The name of the user trying to access the filters.
 * @param string  $p_password    The password of the user.
 * @param integer $p_project_id  The id of the project to retrieve filters for.
 * @param integer $p_filter_id   The id of the filter to apply.
 * @param integer $p_page_number Start with the given page number (zero-based).
 * @param integer $p_per_page    Number of issues to display per page.
 * @return array that represents an IssueDataArray structure
 */
function mc_filter_get_issue_headers( $p_username, $p_password, $p_project_id, $p_filter_id, $p_page_number, $p_per_page ) {
	$t_user_id = mci_check_login( $p_username, $p_password );
	if( $t_user_id === false ) {
		return mci_fault_login_failed();
	}
	if( !mci_has_readonly_access( $t_user_id, $p_project_id ) ) {
		return mci_fault_access_denied( $t_user_id );
	}

	$t_orig_page_number = $p_page_number < 1 ? 1 : $p_page_number;
	$t_page_count = 0;
	$t_bug_count = 0;
	$t_filter = filter_get( $p_filter_id, null );
	if( null === $t_filter ) {
		return ApiObjectFactory::faultServerError( 'Invalid Filter' );
	}
	$t_result = array();
	$t_rows = filter_get_bug_rows( $p_page_number, $p_per_page, $t_page_count, $t_bug_count, $t_filter, $p_project_id );

	# the page number was moved back, so we have exceeded the actual page number, see bug #12991
	if( $t_orig_page_number > $p_page_number ) {
		return $t_result;
	}

	foreach( $t_rows as $t_issue_data ) {
		$t_result[] = mci_issue_data_as_header_array( $t_issue_data );
	}

	return $t_result;
}

/**
 * Get all issue rows matching the custom filter.
 *
 * @param integer               $p_user_id          The user id.
 * @param FilterSearchData      $p_filter_search    The custom filter.
 * @param integer               $p_page_number      Start with the given page number (zero-based).
 * @param integer               $p_per_page         Number of issues to display per page.
 * @return array of issue rows
 */
function mci_filter_search_get_rows( $p_user_id, $p_filter_search, $p_page_number, $p_per_page ) {

	global $g_soap_api_to_filter_names;

	// object to array
	if( is_object( $p_filter_search ) ) {
		$p_filter_search = get_object_vars( $p_filter_search );
	}

	$t_project_id = array();
	if( isset( $p_filter_search['project_id'] ) ) {
		// check access right to all projects
		foreach( $p_filter_search['project_id'] as $t_id ) {
			if( mci_has_readonly_access( $p_user_id, $t_id ) ) {
				$t_project_id[] = $t_id;
			}
			else {
				error_log( 'User: ' . $p_user_id . ' has not access right to project: ' . $t_id . '.' );
			}
		}
		// user has not access right to any project
		if( count( $t_project_id ) < 1 ) {
			return mci_fault_access_denied( $p_user_id );
		}
	}
	else {
		if( !mci_has_readonly_access( $p_user_id, ALL_PROJECTS ) ) {
			return mci_fault_access_denied( $p_user_id );
		}

		$t_project_id = array( ALL_PROJECTS );
	}

	$t_filter = array( '_view_type' => FILTER_VIEW_TYPE_ADVANCED );
	$t_filter['project_id'] = $t_project_id;

	// default fields
	foreach( $g_soap_api_to_filter_names as $t_soap_name => $t_filter_name ) {
		if( isset ( $p_filter_search[$t_soap_name] ) ) {

			$t_value = $p_filter_search[$t_soap_name];
			$t_filter[$t_filter_name] = $t_value;
		}
	}

	// custom fields
	if( isset ( $p_filter_search['custom_fields'] ) ) {
		foreach( $p_filter_search['custom_fields'] as $t_custom_field ) {

			// object to array
			if( is_object( $t_custom_field ) ) {
				$t_custom_field = get_object_vars( $t_custom_field );
			}

			$t_field = $t_custom_field['field'];
			if( is_object( $t_field ) ) {
				$t_field = get_object_vars( $t_field );
			}

			// if is set custom_field's id, use it primary
			if( isset( $t_field['id'] ) ) {
				$t_custom_field_id = $t_field['id'];
			}
			else {
				$t_custom_field_id = custom_field_get_id_from_name( $t_field['name'] );
			}

			$t_value = $t_custom_field['value'];
			$t_filter['custom_fields'][$t_custom_field_id] = $t_value;
		}
	}

	// date fields
	if( isset ( $t_filter[FILTER_PROPERTY_DATE_SUBMITTED_START_DAY] ) 
		|| isset ( $t_filter[FILTER_PROPERTY_DATE_SUBMITTED_START_MONTH] ) 
		|| isset ( $t_filter[FILTER_PROPERTY_DATE_SUBMITTED_START_YEAR] ) 
		|| isset ( $t_filter[FILTER_PROPERTY_DATE_SUBMITTED_END_DAY] ) 
		|| isset ( $t_filter[FILTER_PROPERTY_DATE_SUBMITTED_END_MONTH] ) 
		|| isset ( $t_filter[FILTER_PROPERTY_DATE_SUBMITTED_END_YEAR] ) ) {
		$t_filter[FILTER_PROPERTY_FILTER_BY_DATE_SUBMITTED] = 'on';
	}
	if( isset ( $t_filter[FILTER_PROPERTY_LAST_UPDATED_START_DAY] ) 
		|| isset ( $t_filter[FILTER_PROPERTY_LAST_UPDATED_START_MONTH] ) 
		|| isset ( $t_filter[FILTER_PROPERTY_LAST_UPDATED_START_YEAR] ) 
		|| isset ( $t_filter[FILTER_PROPERTY_LAST_UPDATED_END_DAY] ) 
		|| isset ( $t_filter[FILTER_PROPERTY_LAST_UPDATED_END_MONTH] ) 
		|| isset ( $t_filter[FILTER_PROPERTY_LAST_UPDATED_END_YEAR] ) ) {
		$t_filter[FILTER_PROPERTY_FILTER_BY_LAST_UPDATED_DATE] = 'on';
}

	$t_filter = filter_ensure_valid_filter( $t_filter );

	$t_page_number = $p_page_number < 1 ? 1 : $p_page_number;
	$t_page_count = 0;
	$t_bug_count = 0;
	return filter_get_bug_rows( $t_page_number, $p_per_page, $t_page_count, $t_bug_count, $t_filter );
}

/**
 * Get all issue headers matching the custom filter.
 *
 * @param string                $p_username         The name of the user trying to access the filters.
 * @param string                $p_password         The password of the user.
 * @param FilterSearchData      $p_filter_search    The custom filter.
 * @param integer               $p_page_number      Start with the given page number (zero-based).
 * @param integer               $p_per_page         Number of issues to display per page.
 * @return array that represents an IssueHeaderDataArray structure
 */
function mc_filter_search_issue_headers( $p_username, $p_password, $p_filter_search, $p_page_number, $p_per_page ) {

	$t_user_id = mci_check_login( $p_username, $p_password );

	if( $t_user_id === false ) {
		return mci_fault_login_failed();
	}

	$t_rows = mci_filter_search_get_rows( $t_user_id, $p_filter_search, $p_page_number, $p_per_page);

	$t_result = array();
	foreach( $t_rows as $t_issue_data ) {
		$t_result[] = mci_issue_data_as_header_array( $t_issue_data );
	}

	return $t_result;
}

/**
 * Get all issues matching the custom filter.
 *
 * @param string                $p_username         The name of the user trying to access the filters.
 * @param string                $p_password         The password of the user.
 * @param FilterSearchData      $p_filter_search    The custom filter.
 * @param integer               $p_page_number Start with the given page number (zero-based).
 * @param integer               $p_per_page    Number of issues to display per page.
 * @return array that represents an IssueDataArray structure
 */
function mc_filter_search_issues( $p_username, $p_password, $p_filter_search, $p_page_number, $p_per_page ) {

	$t_user_id = mci_check_login( $p_username, $p_password );

	if( $t_user_id === false ) {
		return mci_fault_login_failed();
	}

	$t_rows = mci_filter_search_get_rows( $t_user_id, $p_filter_search, $p_page_number, $p_per_page);

	$t_lang = mci_get_user_lang( $t_user_id );

	$t_result = array();
	foreach( $t_rows as $t_issue_data ) {
		$t_result[] = mci_issue_data_as_array( $t_issue_data, $t_user_id, $t_lang );
	}

	return $t_result;
}

/**
 * Get all issue ids matching the custom filter.
 *
 * @param string                $p_username         The name of the user trying to access the filters.
 * @param string                $p_password         The password of the user.
 * @param FilterSearchData      $p_filter_search    The custom filter.
 * @param integer               $p_page_number Start with the given page number (zero-based).
 * @param integer               $p_per_page    Number of issues to display per page.
 * @return array that represents an IntegerArray structure
 */
function mc_filter_search_issue_ids( $p_username, $p_password, $p_filter_search, $p_page_number, $p_per_page ) {

	$t_user_id = mci_check_login( $p_username, $p_password );

	if( $t_user_id === false ) {
		return mci_fault_login_failed();
	}

	$t_rows = mci_filter_search_get_rows( $t_user_id, $p_filter_search, $p_page_number, $p_per_page);

	$t_result = array();
	foreach( $t_rows as $t_issue_data ) {
		$t_result[] = $t_issue_data->id;
	}

	return $t_result;
}