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custom_field_api.php
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custom_field_api.php
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<?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/>.
/**
* @package CoreAPI
* @subpackage CustomFieldAPI
* @copyright Copyright (C) 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
* @copyright Copyright (C) 2002 - 2012 MantisBT Team - mantisbt-dev@lists.sourceforge.net
* @link http://www.mantisbt.org
*/
/**
* requires bug_api
*/
require_once( 'bug_api.php' );
/**
* requires helper_api
*/
require_once( 'helper_api.php' );
/**
* requires date_api
*/
require_once( 'date_api.php' );
# ## Custom Fields API ###
# *******************************************
# TODO
# - add an object to store field data like BugData and UserPrefs ?
# - add caching functions like user, bug, etc
# - make existing api functions use caching functions
# - add functions to return individual db columns for a field definition
# *******************************************
$g_custom_field_types[CUSTOM_FIELD_TYPE_STRING] = 'standard';
$g_custom_field_types[CUSTOM_FIELD_TYPE_NUMERIC] = 'standard';
$g_custom_field_types[CUSTOM_FIELD_TYPE_FLOAT] = 'standard';
$g_custom_field_types[CUSTOM_FIELD_TYPE_ENUM] = 'standard';
$g_custom_field_types[CUSTOM_FIELD_TYPE_EMAIL] = 'standard';
$g_custom_field_types[CUSTOM_FIELD_TYPE_CHECKBOX] = 'standard';
$g_custom_field_types[CUSTOM_FIELD_TYPE_LIST] = 'standard';
$g_custom_field_types[CUSTOM_FIELD_TYPE_MULTILIST] = 'standard';
$g_custom_field_types[CUSTOM_FIELD_TYPE_DATE] = 'standard';
foreach( $g_custom_field_types as $type ) {
require_once( 'cfdefs' . DIRECTORY_SEPARATOR . 'cfdef_' . $type . '.php' );
}
function custom_field_allow_manage_display( $p_type, $p_display ) {
global $g_custom_field_type_definition;
if( isset( $g_custom_field_type_definition[$p_type]['#display_' . $p_display] ) ) {
return $g_custom_field_type_definition[$p_type]['#display_' . $p_display];
}
return false;
}
# ########################################
# SECURITY NOTE: cache globals are initialized here to prevent them
# being spoofed if register_globals is turned on
$g_cache_custom_field = array();
$g_cache_cf_list = NULL;
$g_cache_cf_linked = array();
$g_cache_name_to_id_map = array();
/**
* Cache a custom field row if necessary and return the cached copy
* If the second parameter is true (default), trigger an error
* if the field can't be found. If the second parameter is
* false, return false if the field can't be found.
* @param int $p_field_id integer representing custom field id
* @param bool $p_trigger_errors indicates whether to trigger an error if the field is not found
* @return array array representing custom field
* @access public
*/
function custom_field_cache_row( $p_field_id, $p_trigger_errors = true ) {
global $g_cache_custom_field, $g_cache_name_to_id_map;
$c_field_id = db_prepare_int( $p_field_id );
$t_custom_field_table = db_get_table( 'mantis_custom_field_table' );
if( isset( $g_cache_custom_field[$c_field_id] ) ) {
return $g_cache_custom_field[$c_field_id];
}
$query = "SELECT *
FROM $t_custom_field_table
WHERE id=" . db_param();
$result = db_query_bound( $query, Array( $c_field_id ) );
if( 0 == db_num_rows( $result ) ) {
if( $p_trigger_errors ) {
error_parameters( 'Custom ' . $p_field_id );
trigger_error( ERROR_CUSTOM_FIELD_NOT_FOUND, ERROR );
} else {
return false;
}
}
$row = db_fetch_array( $result );
$g_cache_custom_field[$c_field_id] = $row;
$g_cache_name_to_id_map[$row['name']] = $c_field_id;
return $row;
}
/**
* Cache custom fields contained within an array of field id's
* @param array $p_cf_id_array array of custom field id's
* @return null
* @access public
*/
function custom_field_cache_array_rows( $p_cf_id_array ) {
global $g_cache_custom_field;
$c_cf_id_array = array();
foreach( $p_cf_id_array as $t_cf_id ) {
if( !isset( $g_cache_custom_field[(int) $t_cf_id] ) ) {
$c_cf_id_array[] = (int) $t_cf_id;
}
}
if( empty( $c_cf_id_array ) ) {
return;
}
$t_custom_field_table = db_get_table( 'mantis_custom_field_table' );
$query = "SELECT *
FROM $t_custom_field_table
WHERE id IN (" . implode( ',', $c_cf_id_array ) . ')';
$result = db_query_bound( $query );
while( $row = db_fetch_array( $result ) ) {
$g_cache_custom_field[(int) $row['id']] = $row;
}
return;
}
/**
* Clear the custom field cache (or just the given id if specified)
* @param int $p_field_id custom field id
* @return bool
* @access public
*/
function custom_field_clear_cache( $p_field_id = null ) {
global $g_cache_custom_field, $g_cached_custom_field_lists;
$g_cached_custom_field_lists = null;
if( null === $p_field_id ) {
$g_cache_custom_field = array();
} else {
$c_field_id = db_prepare_int( $p_field_id );
unset( $g_cache_custom_field[$c_field_id] );
}
return true;
}
/**
* Check to see whether the field is included in the given project
* return true if the field is included, false otherwise
* @param int $p_field_id custom field id
* @param int $p_project_id project id
* @return bool
* @access public
*/
function custom_field_is_linked( $p_field_id, $p_project_id ) {
global $g_cache_cf_linked;
$c_project_id = db_prepare_int( $p_project_id );
$c_field_id = db_prepare_int( $p_field_id );
if( isset( $g_cache_cf_linked[$c_project_id] ) ) {
if( in_array( $c_field_id, $g_cache_cf_linked[$p_project_id] ) ) {
return true;
}
return false;
}
# figure out if this bug_id/field_id combination exists
$t_custom_field_project_table = db_get_table( 'mantis_custom_field_project_table' );
$query = "SELECT COUNT(*)
FROM $t_custom_field_project_table
WHERE field_id=" . db_param() . " AND
project_id=" . db_param();
$result = db_query_bound( $query, Array( $c_field_id, $c_project_id ) );
$count = db_result( $result );
if( $count > 0 ) {
return true;
} else {
return false;
}
}
/**
* Check to see whether the field id is defined
* return true if the field is defined, false otherwise
* @param int $p_field_id custom field id
* @return bool
* @access public
*/
function custom_field_exists( $p_field_id ) {
if( false == custom_field_cache_row( $p_field_id, false ) ) {
return false;
} else {
return true;
}
}
/**
* Return the type of a custom field if it exists.
* @param int $p_field_id custom field id
* @return int custom field type
* @access public
*/
function custom_field_type( $p_field_id ) {
$t_field = custom_field_cache_row( $p_field_id, false );
if( $t_field == false ) {
return - 1;
} else {
return $t_field['type'];
}
}
/**
* Check to see whether the field id is defined
* return true if the field is defined, error otherwise
* @param int $p_field_id custom field id
* @return bool
* @access public
*/
function custom_field_ensure_exists( $p_field_id ) {
if( custom_field_exists( $p_field_id ) ) {
return true;
} else {
error_parameters( 'Custom ' . $p_field_id );
trigger_error( ERROR_CUSTOM_FIELD_NOT_FOUND, ERROR );
}
}
/**
* Check to see whether the name is unique
* return false if a field with the name already exists, true otherwise
* if an id is specified, then the corresponding record is excluded from the
* uniqueness test.
* @param string $p_name custom field name
* @param int $p_custom_field_id custom field id
* @return bool
* @access public
*/
function custom_field_is_name_unique( $p_name, $p_custom_field_id = null ) {
$t_custom_field_table = db_get_table( 'mantis_custom_field_table' );
$query = "SELECT COUNT(*)
FROM $t_custom_field_table
WHERE name=" . db_param();
if( $p_custom_field_id !== null ) {
$c_id = db_prepare_int( $p_custom_field_id );
$query .= ' AND (id <> ' . db_param() . ')';
}
$result = db_query_bound( $query, ( ($p_custom_field_id !== null) ? Array( $p_name, $c_id ) : Array( $p_name ) ) );
$count = db_result( $result );
if( $count > 0 ) {
return false;
} else {
return true;
}
}
/**
* Check to see whether the name is unique
* return true if the name has not been used, error otherwise
* @param string $p_name Custom field name
* @return bool
* @access public
*/
function custom_field_ensure_name_unique( $p_name ) {
if( custom_field_is_name_unique( $p_name ) ) {
return true;
} else {
trigger_error( ERROR_CUSTOM_FIELD_NAME_NOT_UNIQUE, ERROR );
}
}
/**
* Return true if the user can read the value of the field for the given bug,
* false otherwise.
* @param int $p_field_id custom field id
* @param int $p_bug_id bug id
* @param int $p_user_id user id
* @return bool
* @access public
*/
function custom_field_has_read_access( $p_field_id, $p_bug_id, $p_user_id = null ) {
custom_field_ensure_exists( $p_field_id );
if( null === $p_user_id ) {
$p_user_id = auth_get_current_user_id();
}
$t_access_level_r = custom_field_get_field( $p_field_id, 'access_level_r' );
$t_project_id = bug_get_field( $p_bug_id, 'project_id' );
return access_has_project_level( $t_access_level_r, $t_project_id, $p_user_id );
}
/**
* Return true if the user can read the value of the field for the given project,
* false otherwise.
* @param int $p_field_id custom field id
* @param int $p_project_id bug id
* @param int $p_user_id user id
* @return bool
* @access public
*/
function custom_field_has_read_access_by_project_id( $p_field_id, $p_project_id, $p_user_id = null ) {
custom_field_ensure_exists( $p_field_id );
if( null === $p_user_id ) {
$p_user_id = auth_get_current_user_id();
}
$t_access_level_r = custom_field_get_field( $p_field_id, 'access_level_r' );
return access_has_project_level( $t_access_level_r, $p_project_id, $p_user_id );
}
/**
* Return true if the user can modify the value of the field for the given project,
* false otherwise.
* @param int $p_field_id custom field id
* @param int $p_project_id bug id
* @param int $p_user_id user id
* @return bool
* @access public
*/
function custom_field_has_write_access_to_project( $p_field_id, $p_project_id, $p_user_id = null ) {
custom_field_ensure_exists( $p_field_id );
if( null === $p_user_id ) {
$p_user_id = auth_get_current_user_id();
}
$t_access_level_rw = custom_field_get_field( $p_field_id, 'access_level_rw' );
return access_has_project_level( $t_access_level_rw, $p_project_id, $p_user_id );
}
/**
* Return true if the user can modify the value of the field for the given bug,
* false otherwise.
* @param int $p_field_id custom field id
* @param int $p_bug_id bug id
* @param int $p_user_id user id
* @return bool
* @access public
*/
function custom_field_has_write_access( $p_field_id, $p_bug_id, $p_user_id = null ) {
$t_project_id = bug_get_field( $p_bug_id, 'project_id' );
return( custom_field_has_write_access_to_project( $p_field_id, $t_project_id, $p_user_id ) );
}
/**
* create a new custom field with the name $p_name
* the definition are the default values and can be changes later
* return the ID of the new definition
* @param string $p_name custom field name
* @return int custom field id
* @access public
*/
function custom_field_create( $p_name ) {
if( string_contains_scripting_chars( $p_name ) ) {
trigger_error( ERROR_CUSTOM_FIELD_INVALID_DEFINITION, ERROR );
}
$c_name = trim( $p_name );
if( is_blank( $c_name ) ) {
error_parameters( 'name' );
trigger_error( ERROR_EMPTY_FIELD, ERROR );
}
custom_field_ensure_name_unique( $c_name );
$t_custom_field_table = db_get_table( 'mantis_custom_field_table' );
$query = "INSERT INTO $t_custom_field_table
( name, possible_values )
VALUES
( " . db_param() . ',' . db_param() . ')';
db_query_bound( $query, Array( $c_name, '' ) );
return db_insert_id( $t_custom_field_table );
}
/**
* Update the field definition
* return true on success, false on failure
* @param int $p_field_id custom field id
* @param array custom field definition
* @return bool
* @access public
*/
function custom_field_update( $p_field_id, $p_def_array ) {
if( string_contains_scripting_chars( $p_def_array['name'] ) ) {
trigger_error( ERROR_CUSTOM_FIELD_INVALID_DEFINITION, ERROR );
}
$c_field_id = db_prepare_int( $p_field_id );
$c_name = db_prepare_string( trim( $p_def_array['name'] ) );
$c_type = db_prepare_int( $p_def_array['type'] );
$c_possible_values = db_prepare_string( $p_def_array['possible_values'] );
$c_default_value = db_prepare_string( $p_def_array['default_value'] );
$c_valid_regexp = db_prepare_string( $p_def_array['valid_regexp'] );
$c_access_level_r = db_prepare_int( $p_def_array['access_level_r'] );
$c_access_level_rw = db_prepare_int( $p_def_array['access_level_rw'] );
$c_length_min = db_prepare_int( $p_def_array['length_min'] );
$c_length_max = db_prepare_int( $p_def_array['length_max'] );
$c_filter_by = db_prepare_bool( $p_def_array['filter_by'] );
$c_display_report = db_prepare_bool( $p_def_array['display_report'] );
$c_display_update = db_prepare_bool( $p_def_array['display_update'] );
$c_display_resolved = db_prepare_bool( $p_def_array['display_resolved'] );
$c_display_closed = db_prepare_bool( $p_def_array['display_closed'] );
$c_require_report = db_prepare_bool( $p_def_array['require_report'] );
$c_require_update = db_prepare_bool( $p_def_array['require_update'] );
$c_require_resolved = db_prepare_bool( $p_def_array['require_resolved'] );
$c_require_closed = db_prepare_bool( $p_def_array['require_closed'] );
if( is_blank( $c_name ) ) {
error_parameters( 'name' );
trigger_error( ERROR_EMPTY_FIELD, ERROR );
}
if(( $c_access_level_rw < $c_access_level_r ) || ( $c_length_min < 0 ) || (( $c_length_max != 0 ) && ( $c_length_min > $c_length_max ) ) ) {
trigger_error( ERROR_CUSTOM_FIELD_INVALID_DEFINITION, ERROR );
}
if( !custom_field_is_name_unique( $c_name, $c_field_id ) ) {
trigger_error( ERROR_CUSTOM_FIELD_NAME_NOT_UNIQUE, ERROR );
}
$t_update_something = false;
$t_mantis_custom_field_table = db_get_table( 'mantis_custom_field_table' );
$query = "UPDATE $t_mantis_custom_field_table
SET ";
if( array_key_exists( 'name', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "name='$c_name'";
}
if( array_key_exists( 'type', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "type='$c_type'";
}
if( array_key_exists( 'possible_values', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "possible_values='$c_possible_values'";
}
if( array_key_exists( 'default_value', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "default_value='$c_default_value'";
}
if( array_key_exists( 'valid_regexp', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "valid_regexp='$c_valid_regexp'";
}
if( array_key_exists( 'access_level_r', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "access_level_r='$c_access_level_r'";
}
if( array_key_exists( 'access_level_rw', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "access_level_rw='$c_access_level_rw'";
}
if( array_key_exists( 'length_min', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "length_min='$c_length_min'";
}
if( array_key_exists( 'length_max', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "length_max='$c_length_max'";
}
if( array_key_exists( 'filter_by', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "filter_by='$c_filter_by'";
}
if( array_key_exists( 'display_report', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "display_report='$c_display_report'";
}
if( array_key_exists( 'display_update', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "display_update='$c_display_update'";
}
if( array_key_exists( 'display_resolved', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "display_resolved='$c_display_resolved'";
}
if( array_key_exists( 'display_closed', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "display_closed='$c_display_closed'";
}
if( array_key_exists( 'require_report', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "require_report='$c_require_report'";
}
if( array_key_exists( 'require_update', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "require_update='$c_require_update'";
}
if( array_key_exists( 'require_resolved', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "require_resolved='$c_require_resolved'";
}
if( array_key_exists( 'require_closed', $p_def_array ) ) {
if( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "require_closed='$c_require_closed'";
}
$query .= " WHERE id='$c_field_id'";
if( $t_update_something ) {
db_query( $query );
custom_field_clear_cache( $p_field_id );
} else {
return false;
# there is nothing to update...
}
# db_query errors on failure so:
return true;
}
/**
* Add a custom field to a project
* return true on success, false on failure or if already added
* @param int $p_field_id custom field id
* @param int $p_project_id project id
* @return bool
* @access public
*/
function custom_field_link( $p_field_id, $p_project_id ) {
$c_field_id = db_prepare_int( $p_field_id );
$c_project_id = db_prepare_int( $p_project_id );
custom_field_ensure_exists( $p_field_id );
project_ensure_exists( $p_project_id );
if( custom_field_is_linked( $p_field_id, $p_project_id ) ) {
return false;
}
$t_custom_field_project_table = db_get_table( 'mantis_custom_field_project_table' );
$query = "INSERT INTO $t_custom_field_project_table
( field_id, project_id )
VALUES
( " . db_param() . ', ' . db_param() . ')';
db_query_bound( $query, Array( $c_field_id, $c_project_id ) );
# db_query errors on failure so:
return true;
}
/**
* Remove a custom field from a project
* return true on success, false on failure
*
* The values for the custom fields are not deleted. This is to allow for the
* case where a bug is moved to another project that has the field, or the
* field is linked again to the project.
* @param int $p_field_id custom field id
* @param int $p_project_id project id
* @return bool
* @access public
*/
function custom_field_unlink( $p_field_id, $p_project_id ) {
$c_field_id = db_prepare_int( $p_field_id );
$c_project_id = db_prepare_int( $p_project_id );
$t_custom_field_project_table = db_get_table( 'mantis_custom_field_project_table' );
$query = "DELETE FROM $t_custom_field_project_table
WHERE field_id = " . db_param() . " AND
project_id = " . db_param();
db_query_bound( $query, Array( $c_field_id, $c_project_id ) );
# db_query errors on failure so:
return true;
}
/**
* Delete the field definition and all associated values and project associations
* return true on success, false on failure
* @param int $p_field_id custom field id
* @return bool
* @access public
*/
function custom_field_destroy( $p_field_id ) {
$c_field_id = db_prepare_int( $p_field_id );
# delete all values
$t_custom_field_string_table = db_get_table( 'mantis_custom_field_string_table' );
$query = "DELETE FROM $t_custom_field_string_table
WHERE field_id=" . db_param();
db_query_bound( $query, Array( $c_field_id ) );
# delete all project associations
$t_custom_field_project_table = db_get_table( 'mantis_custom_field_project_table' );
$query = "DELETE FROM $t_custom_field_project_table
WHERE field_id=" . db_param();
db_query_bound( $query, Array( $c_field_id ) );
$t_custom_field_table = db_get_table( 'mantis_custom_field_table' );
# delete the definition
$query = "DELETE FROM $t_custom_field_table
WHERE id=" . db_param();
db_query_bound( $query, Array( $c_field_id ) );
custom_field_clear_cache( $p_field_id );
# db_query errors on failure so:
return true;
}
/**
* Delete all associations of custom fields to the specified project
* return true on success, false on failure
*
* To be called from within project_delete().
* @param int $p_project_id project id
* @return bool
* @access public
*/
function custom_field_unlink_all( $p_project_id ) {
$c_project_id = db_prepare_int( $p_project_id );
# delete all project associations
$t_custom_field_project_table = db_get_table( 'mantis_custom_field_project_table' );
$query = "DELETE FROM $t_custom_field_project_table
WHERE project_id=" . db_param();
db_query_bound( $query, Array( $c_project_id ) );
# db_query errors on failure so:
return true;
}
/**
* Delete all custom values associated with the specified bug.
* return true on success, false on failure
*
* To be called from bug_delete().
* @param int $p_bug_id bug id
* @return bool
* @access public
*/
function custom_field_delete_all_values( $p_bug_id ) {
$c_bug_id = db_prepare_int( $p_bug_id );
$t_custom_field_string_table = db_get_table( 'mantis_custom_field_string_table' );
$query = "DELETE FROM $t_custom_field_string_table
WHERE bug_id=" . db_param();
db_query_bound( $query, Array( $c_bug_id ) );
# db_query errors on failure so:
return true;
}
/**
* Get the id of the custom field with the specified name.
* false is returned if no custom field found with the specified name.
* @param string $p_field_name custom field name
* @param int $p_truncated_length
* @return bool|int false or custom field id
* @access public
*/
function custom_field_get_id_from_name( $p_field_name, $p_truncated_length = null ) {
global $g_cache_name_to_id_map;
if ( is_blank( $p_field_name ) ) {
return false;
}
if ( isset( $g_cache_name_to_id_map[$p_field_name] ) ) {
return $g_cache_name_to_id_map[$p_field_name];
}
$t_custom_field_table = db_get_table( 'mantis_custom_field_table' );
if(( null === $p_truncated_length ) || ( utf8_strlen( $p_field_name ) != $p_truncated_length ) ) {
$query = "SELECT id FROM $t_custom_field_table WHERE name = " . db_param();
$c_field_name = $p_field_name;
} else {
# This is to handle the case where we potentially only have a
# truncated part of the custom field name. This happens when we
# are getting the field from the history logs (as the history's
# field_name column used to be 32 while custom field name is 64).
# This is needed to handle legacy database entries, as any
# history record created after 1.1.0a4 has the correct field
# size (see #8002)
$query = "SELECT id FROM $t_custom_field_table WHERE name LIKE " . db_param();
$c_field_name = $p_field_name . '%';
}
$t_result = db_query_bound( $query, $c_field_name );
if( db_num_rows( $t_result ) == 0 ) {
return false;
}
$row = db_fetch_array( $t_result );
$g_cache_name_to_id_map[$p_field_name] = $row['id'];
return $row['id'];
}
/**
* Return an array of ids of custom fields bound to the specified project
*
* The ids will be sorted based on the sequence number associated with the binding
* @param int $p_project_id project id
* @return array
* @access public
*/
function custom_field_get_linked_ids( $p_project_id = ALL_PROJECTS ) {
global $g_cache_cf_linked, $g_cache_custom_field;
if( !isset( $g_cache_cf_linked[$p_project_id] ) ) {
$t_custom_field_table = db_get_table( 'mantis_custom_field_table' );
$t_custom_field_project_table = db_get_table( 'mantis_custom_field_project_table' );
if( ALL_PROJECTS == $p_project_id ) {
$t_project_user_list_table = db_get_table( 'mantis_project_user_list_table' );
$t_project_table = db_get_table( 'mantis_project_table' );
$t_user_table = db_get_table( 'mantis_user_table' );
$t_user_id = auth_get_current_user_id();
$t_pub = VS_PUBLIC;
$t_priv = VS_PRIVATE;
$t_private_access = config_get( 'private_project_threshold' );
if( is_array( $t_private_access ) ) {
if( 1 == count( $t_private_access ) ) {
$t_access_clause = '= ' . array_shift( $t_private_access ) . ' ';
} else {
$t_access_clause = 'IN (' . implode( ',', $t_private_access ) . ')';
}
} else {
$t_access_clause = ">= $t_private_access ";
}
# select only the ids that the user has some access to
# e.g., all fields in public projects, or private projects where the user is listed
# or private projects where the user is implicitly listed
$query = "SELECT DISTINCT cft.id
FROM $t_custom_field_table as cft, $t_user_table ut, $t_project_table pt, $t_custom_field_project_table cfpt
LEFT JOIN $t_project_user_list_table pult
on cfpt.project_id = pult.project_id and pult.user_id = $t_user_id
WHERE cft.id = cfpt.field_id AND cfpt.project_id = pt.id AND ut.id = $t_user_id AND
( pt.view_state = $t_pub OR
( pt.view_state = $t_priv and pult.user_id = $t_user_id ) OR
( pult.user_id is null and ut.access_level $t_access_clause ) )";
} else {
if( is_array( $p_project_id ) ) {
if( 1 == count( $p_project_id ) ) {
$t_project_clause = '= ' . array_shift( $p_project_id ) . ' ';
} else {
$t_project_clause = 'IN (' . implode( ',', $p_project_id ) . ')';
}
} else {
$t_project_clause = '= ' . $p_project_id;
}
$query = "SELECT cft.id
FROM $t_custom_field_table cft, $t_custom_field_project_table cfpt
WHERE cfpt.project_id $t_project_clause AND
cft.id = cfpt.field_id
ORDER BY sequence ASC, name ASC";
}
$result = db_query( $query );
$t_row_count = db_num_rows( $result );
$t_ids = array();
for( $i = 0;$i < $t_row_count;$i++ ) {
$row = db_fetch_array( $result );
array_push( $t_ids, $row['id'] );
}
custom_field_cache_array_rows( $t_ids );
$g_cache_cf_linked[$p_project_id] = $t_ids;
} else {
$t_ids = $g_cache_cf_linked[$p_project_id];
}
return $t_ids;
}
/**
* Return an array all custom field ids sorted by name
* @return array
* @access public
*/
function custom_field_get_ids() {
global $g_cache_cf_list, $g_cache_custom_field;
if( $g_cache_cf_list === NULL ) {
$t_custom_field_table = db_get_table( 'mantis_custom_field_table' );
$query = "SELECT *
FROM $t_custom_field_table
ORDER BY name ASC";
$result = db_query_bound( $query );
$t_row_count = db_num_rows( $result );
$t_ids = array();
for( $i = 0;$i < $t_row_count;$i++ ) {
$row = db_fetch_array( $result );
$g_cache_custom_field[(int) $row['id']] = $row;
array_push( $t_ids, $row['id'] );
}
$g_cache_cf_list = $t_ids;
} else {
$t_ids = $g_cache_cf_list;
}
return $t_ids;
}
/**
* Return an array of ids of projects related to the specified custom field
* (the array may be empty)
* @param int $p_field_id custom field id
* @return array
* @access public
*/
function custom_field_get_project_ids( $p_field_id ) {
$c_field_id = db_prepare_int( $p_field_id );
$t_custom_field_project_table = db_get_table( 'mantis_custom_field_project_table' );
$query = "SELECT project_id
FROM $t_custom_field_project_table
WHERE field_id = " . db_param();
$result = db_query_bound( $query, Array( $c_field_id ) );
$t_row_count = db_num_rows( $result );
$t_ids = array();
for( $i = 0;$i < $t_row_count;$i++ ) {
$row = db_fetch_array( $result );
array_push( $t_ids, $row['project_id'] );
}
return $t_ids;
}
/**
* Return a field definition row for the field or error if the field does not exist
* @param int $p_field_id custom field id
* @return array custom field definition
* @access public
*/
function custom_field_get_definition( $p_field_id ) {
return custom_field_cache_row( $p_field_id );
}
/**
* Return a single database field from a custom field definition row for the field
* if the database field does not exist, display a warning and return ''
* @param int $p_field_id custom field id
* @param int $p_field_name custom field name
* @return string
* @access public
*/
function custom_field_get_field( $p_field_id, $p_field_name ) {
$row = custom_field_get_definition( $p_field_id );
if( isset( $row[$p_field_name] ) ) {
return $row[$p_field_name];
} else {
error_parameters( $p_field_name );
trigger_error( ERROR_DB_FIELD_NOT_FOUND, WARNING );
return '';
}
}
/**
* Get the value of a custom field for the given bug
* @todo return values are unclear... should we error when access is denied
* and provide an api to check whether it will be?
* @param int $p_field_id custom field id
* @param int $p_bug_id bug id
* @return mixed: value is defined, null: no value is defined, false: read access is denied
* @access public
*/
function custom_field_get_value( $p_field_id, $p_bug_id ) {
$c_field_id = db_prepare_int( $p_field_id );
$c_bug_id = db_prepare_int( $p_bug_id );
$row = custom_field_cache_row( $p_field_id );
$t_access_level_r = $row['access_level_r'];
$t_default_value = $row['default_value'];
if( !custom_field_has_read_access( $p_field_id, $p_bug_id, auth_get_current_user_id() ) ) {
return false;
}
$t_custom_field_string_table = db_get_table( 'mantis_custom_field_string_table' );
$query = "SELECT value
FROM $t_custom_field_string_table
WHERE bug_id=" . db_param() . " AND