/
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/>.
/**
* Custom Field API
*
* @package CoreAPI
* @subpackage CustomFieldAPI
* @copyright Copyright 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
* @copyright Copyright 2002 MantisBT Team - mantisbt-dev@lists.sourceforge.net
* @link http://www.mantisbt.org
*
* @uses access_api.php
* @uses authentication_api.php
* @uses bug_api.php
* @uses config_api.php
* @uses constant_inc.php
* @uses database_api.php
* @uses email_api.php
* @uses error_api.php
* @uses helper_api.php
* @uses history_api.php
* @uses project_api.php
* @uses string_api.php
* @uses utility_api.php
*/
require_api( 'access_api.php' );
require_api( 'authentication_api.php' );
require_api( 'bug_api.php' );
require_api( 'config_api.php' );
require_api( 'constant_inc.php' );
require_api( 'database_api.php' );
require_api( 'email_api.php' );
require_api( 'error_api.php' );
require_api( 'helper_api.php' );
require_api( 'history_api.php' );
require_api( 'project_api.php' );
require_api( 'string_api.php' );
require_api( 'utility_api.php' );
$g_custom_field_types[CUSTOM_FIELD_TYPE_STRING] = 'standard';
$g_custom_field_types[CUSTOM_FIELD_TYPE_TEXTAREA] = '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 $t_type ) {
require_once( config_get_global( 'core_path' ) . 'cfdefs/cfdef_' . $t_type . '.php' );
}
unset( $t_type );
/**
* Return true whether to display custom field
* @param integer $p_type Custom field type.
* @param string $p_display When to display.
* @return boolean
*/
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 integer $p_field_id Integer representing custom field id.
* @param boolean $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;
$p_field_id = (int)$p_field_id;
if( isset( $g_cache_custom_field[$p_field_id] ) ) {
return $g_cache_custom_field[$p_field_id];
}
$t_query = 'SELECT * FROM {custom_field} WHERE id=' . db_param();
$t_result = db_query( $t_query, array( $p_field_id ) );
$t_row = db_fetch_array( $t_result );
if( !$t_row ) {
if( $p_trigger_errors ) {
error_parameters( 'Custom ' . $p_field_id );
trigger_error( ERROR_CUSTOM_FIELD_NOT_FOUND, ERROR );
} else {
return false;
}
}
$g_cache_custom_field[$p_field_id] = $t_row;
$g_cache_name_to_id_map[$t_row['name']] = $p_field_id;
return $t_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 void
* @access public
*/
function custom_field_cache_array_rows( array $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_query = 'SELECT * FROM {custom_field} WHERE id IN (' . implode( ',', $c_cf_id_array ) . ')';
$t_result = db_query( $t_query );
while( $t_row = db_fetch_array( $t_result ) ) {
$g_cache_custom_field[(int)$t_row['id']] = $t_row;
}
return;
}
/**
* Clear the custom field cache (or just the given id if specified)
* @param integer $p_field_id Custom field id.
* @return boolean
* @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 {
unset( $g_cache_custom_field[$p_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 integer $p_field_id Custom field id.
* @param integer $p_project_id Project id.
* @return boolean
* @access public
*/
function custom_field_is_linked( $p_field_id, $p_project_id ) {
global $g_cache_cf_linked;
if( isset( $g_cache_cf_linked[$p_project_id] ) ) {
if( in_array( $p_field_id, $g_cache_cf_linked[$p_project_id] ) ) {
return true;
}
return false;
}
# figure out if this bug_id/field_id combination exists
$t_query = 'SELECT COUNT(*) FROM {custom_field_project}
WHERE field_id=' . db_param() . ' AND project_id=' . db_param();
$t_result = db_query( $t_query, array( $p_field_id, $p_project_id ) );
$t_count = db_result( $t_result );
if( $t_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 integer $p_field_id Custom field id.
* @return boolean
* @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 integer $p_field_id Custom field id.
* @return integer 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 integer $p_field_id Custom field id.
* @return boolean
* @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 integer $p_custom_field_id Custom field identifier.
* @return boolean
* @access public
*/
function custom_field_is_name_unique( $p_name, $p_custom_field_id = null ) {
$t_query = 'SELECT COUNT(*) FROM {custom_field} WHERE name=' . db_param();
if( $p_custom_field_id !== null ) {
$t_query .= ' AND (id <> ' . db_param() . ')';
}
$t_result = db_query( $t_query, ( ($p_custom_field_id !== null) ? array( $p_name, $p_custom_field_id ) : array( $p_name ) ) );
$t_count = db_result( $t_result );
if( $t_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 boolean
* @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 integer $p_field_id Custom field identifier.
* @param integer $p_bug_id A bug identifier.
* @param integer $p_user_id User id.
* @return boolean
* @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 integer $p_field_id Custom field identifier.
* @param integer $p_project_id A project identifier.
* @param integer $p_user_id A user identifier.
* @return boolean
* @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 integer $p_field_id Custom field identifier.
* @param integer $p_project_id A project identifier.
* @param integer $p_user_id A user identifier.
* @return boolean
* @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 integer $p_field_id Custom field identifier.
* @param integer $p_bug_id A bug identifier.
* @param integer $p_user_id A user identifier.
* @return boolean
* @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 integer custom field id
* @access public
*/
function custom_field_create( $p_name ) {
$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_query = 'INSERT INTO {custom_field} ( name, possible_values )
VALUES ( ' . db_param() . ',' . db_param() . ')';
db_query( $t_query, array( $c_name, '' ) );
return db_insert_id( db_get_table( 'custom_field' ) );
}
/**
* Update the field definition
* return true on success, false on failure
* @param integer $p_field_id Custom field identifier.
* @param array $p_def_array Custom field definition.
* @return boolean
* @access public
*/
function custom_field_update( $p_field_id, array $p_def_array ) {
if( is_blank( $p_def_array['name'] ) ) {
error_parameters( 'name' );
trigger_error( ERROR_EMPTY_FIELD, ERROR );
}
if( $p_def_array['access_level_rw'] < $p_def_array['access_level_r'] ) {
error_parameters(
lang_get( 'custom_field_access_level_r' ) . ', ' .
lang_get( 'custom_field_access_level_rw' ) );
trigger_error( ERROR_CUSTOM_FIELD_INVALID_PROPERTY, ERROR );
}
if( $p_def_array['length_min'] < 0
|| ( $p_def_array['length_max'] != 0 && $p_def_array['length_min'] > $p_def_array['length_max'] )
) {
error_parameters( lang_get( 'custom_field_length_min' ) . ', ' . lang_get( 'custom_field_length_max' ) );
trigger_error( ERROR_CUSTOM_FIELD_INVALID_PROPERTY, ERROR );
}
if( !custom_field_is_name_unique( $p_def_array['name'], $p_field_id ) ) {
trigger_error( ERROR_CUSTOM_FIELD_NAME_NOT_UNIQUE, ERROR );
}
# Build fields update statement
$t_update = '';
foreach( $p_def_array as $t_field => $t_value ) {
switch( $t_field ) {
case 'name':
case 'possible_values':
case 'default_value':
case 'valid_regexp':
# Possible values doesn't apply to textarea fields
if( $p_def_array['type'] == CUSTOM_FIELD_TYPE_TEXTAREA && $t_field == 'possible_values' ) {
$t_value = '';
}
$t_update .= $t_field . '=' . db_param() . ', ';
$t_params[] = (string)$t_value;
break;
case 'type':
case 'access_level_r':
case 'access_level_rw':
case 'length_min':
case 'length_max':
$t_update .= $t_field . '=' . db_param() . ', ';
$t_params[] = (int)$t_value;
break;
case 'filter_by':
case 'display_report':
case 'display_update':
case 'display_resolved':
case 'display_closed':
case 'require_report':
case 'require_update':
case 'require_resolved':
case 'require_closed':
$t_update .= $t_field . '=' . db_param() . ', ';
$t_params[] = (bool)$t_value;
break;
}
}
# If there are fields to update, execute SQL
if( $t_update !== '' ) {
$t_query = 'UPDATE {custom_field} SET ' . rtrim( $t_update, ', ' ) . ' WHERE id = ' . db_param();
$t_params[] = $p_field_id;
db_query( $t_query, $t_params );
custom_field_clear_cache( $p_field_id );
return true;
}
return false;
}
/**
* Add a custom field to a project
* return true on success, false on failure or if already added
* @param integer $p_field_id Custom field identifier.
* @param integer $p_project_id Project identifier.
* @return boolean
* @access public
*/
function custom_field_link( $p_field_id, $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_query = 'INSERT INTO {custom_field_project} ( field_id, project_id )
VALUES ( ' . db_param() . ', ' . db_param() . ')';
db_query( $t_query, array( $p_field_id, $p_project_id ) );
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 integer $p_field_id Custom field identifier.
* @param integer $p_project_id Project identifier.
* @return void
* @access public
*/
function custom_field_unlink( $p_field_id, $p_project_id ) {
$t_query = 'DELETE FROM {custom_field_project}
WHERE field_id = ' . db_param() . ' AND project_id = ' . db_param();
db_query( $t_query, array( $p_field_id, $p_project_id ) );
}
/**
* Delete the field definition and all associated values and project associations
* return true on success, false on failure
* @param integer $p_field_id Custom field identifier.
* @return void
* @access public
*/
function custom_field_destroy( $p_field_id ) {
# delete all values
$t_query = 'DELETE FROM {custom_field_string} WHERE field_id=' . db_param();
db_query( $t_query, array( $p_field_id ) );
# delete all project associations
$t_query = 'DELETE FROM {custom_field_project} WHERE field_id=' . db_param();
db_query( $t_query, array( $p_field_id ) );
# delete the definition
$t_query = 'DELETE FROM {custom_field} WHERE id=' . db_param();
db_query( $t_query, array( $p_field_id ) );
custom_field_clear_cache( $p_field_id );
}
/**
* 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 integer $p_project_id A project identifier.
* @return void
* @access public
*/
function custom_field_unlink_all( $p_project_id ) {
# delete all project associations
$t_query = 'DELETE FROM {custom_field_project} WHERE project_id=' . db_param();
db_query( $t_query, array( $p_project_id ) );
}
/**
* Delete all custom values associated with the specified bug.
* return true on success, false on failure
*
* To be called from bug_delete().
* @param integer $p_bug_id A bug identifier.
* @return void
* @access public
*/
function custom_field_delete_all_values( $p_bug_id ) {
$t_query = 'DELETE FROM {custom_field_string} WHERE bug_id=' . db_param();
db_query( $t_query, array( $p_bug_id ) );
}
/**
* 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.
* @return boolean|integer false or custom field id
* @access public
*/
function custom_field_get_id_from_name( $p_field_name ) {
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_query = 'SELECT id FROM {custom_field} WHERE name=' . db_param();
$t_result = db_query( $t_query, array( $p_field_name ) );
$t_row = db_fetch_array( $t_result );
if( !$t_row ) {
$g_cache_name_to_id_map[$p_field_name] = false;
return false;
}
$g_cache_name_to_id_map[$p_field_name] = $t_row['id'];
return $t_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 integer $p_project_id A project identifier.
* @return array
* @access public
*/
function custom_field_get_linked_ids( $p_project_id = ALL_PROJECTS ) {
global $g_cache_cf_linked;
if( !isset( $g_cache_cf_linked[$p_project_id] ) ) {
db_param_push();
if( ALL_PROJECTS == $p_project_id ) {
$t_user_id = auth_get_current_user_id();
# Select only the ids of custom fields in projects the user has access to
# - all custom fields in public projects,
# - those in private projects where the user is listed
# - in private projects where the user is implicitly listed
$t_query = 'SELECT DISTINCT cft.id
FROM {custom_field} cft
JOIN {custom_field_project} cfpt ON cfpt.field_id = cft.id
JOIN {project} pt
ON pt.id = cfpt.project_id AND pt.enabled = ' . db_prepare_bool( true ) . '
LEFT JOIN {project_user_list} pult
ON pult.project_id = cfpt.project_id AND pult.user_id = ' . db_param() . '
, {user} ut
WHERE ut.id = ' . db_param() . '
AND ( pt.view_state = ' . VS_PUBLIC . '
OR pult.user_id = ut.id
';
$t_params = array( $t_user_id, $t_user_id );
# Add private access clause and related parameter
$t_private_access = config_get( 'private_project_threshold' );
if( is_array( $t_private_access ) ) {
if( 1 == count( $t_private_access ) ) {
$t_access_clause = '= ' . db_param();
$t_params[] = array_shift( $t_private_access );
} else {
$t_access_clause = 'IN (';
foreach( $t_private_access as $t_elem ) {
$t_access_clause .= db_param() . ',';
$t_params[] = $t_elem;
}
$t_access_clause = rtrim( $t_access_clause, ',' ) . ')';
}
} else {
$t_access_clause = '>=' . db_param();
$t_params[] = $t_private_access;
}
$t_query .= '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 = '= ' . db_param();
$t_params[] = array_shift( $p_project_id );
} else {
$t_project_clause = 'IN (';
foreach( $p_project_id as $t_project ) {
$t_project_clause .= db_param() . ',';
$t_params[] = $t_project;
}
$t_project_clause = rtrim( $t_project_clause, ',' ) . ')';
}
} else {
$t_project_clause = '= ' . db_param();
$t_params[] = $p_project_id;
}
$t_query = 'SELECT cft.id
FROM {custom_field} cft
JOIN {custom_field_project} cfpt ON cfpt.field_id = cft.id
WHERE cfpt.project_id ' . $t_project_clause . '
ORDER BY sequence ASC, name ASC';
}
$t_result = db_query( $t_query, $t_params );
$t_ids = array();
while( $t_row = db_fetch_array( $t_result ) ) {
array_push( $t_ids, $t_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_query = 'SELECT * FROM {custom_field} ORDER BY name ASC';
$t_result = db_query( $t_query );
$t_ids = array();
while( $t_row = db_fetch_array( $t_result ) ) {
$g_cache_custom_field[(int)$t_row['id']] = $t_row;
array_push( $t_ids, $t_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 integer $p_field_id Custom field identifier.
* @return array
* @access public
*/
function custom_field_get_project_ids( $p_field_id ) {
$t_query = 'SELECT project_id FROM {custom_field_project} WHERE field_id = ' . db_param();
$t_result = db_query( $t_query, array( $p_field_id ) );
$t_ids = array();
while( $t_row = db_fetch_array( $t_result ) ) {
array_push( $t_ids, $t_row['project_id'] );
}
return $t_ids;
}
/**
* Return a field definition row for the field or error if the field does not exist
* @param integer $p_field_id Custom field identifier.
* @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 integer $p_field_id Custom field identifier.
* @param integer $p_field_name Custom field name.
* @return string
* @access public
*/
function custom_field_get_field( $p_field_id, $p_field_name ) {
$t_row = custom_field_get_definition( $p_field_id );
if( isset( $t_row[$p_field_name] ) ) {
return $t_row[$p_field_name];
} else {
error_parameters( $p_field_name );
trigger_error( ERROR_DB_FIELD_NOT_FOUND, WARNING );
return '';
}
}
/**
* Return custom field name including localized name (if available)
*
* @param string $p_name Custom field's name.
* @return string CustomFieldName [(LocalizedName)]
* @access public
*/
function custom_field_get_display_name( $p_name ) {
$t_local_name = lang_get_defaulted( $p_name );
if( $t_local_name != $p_name ) {
$p_name .= ' (' . $t_local_name . ')';
}
return string_display( $p_name );
}
/**
* 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 integer $p_field_id Custom field id.
* @param integer $p_bug_id A bug identifier.
* @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 ) {
$t_row = custom_field_cache_row( $p_field_id );
$t_access_level_r = $t_row['access_level_r'];
$t_default_value = $t_row['default_value'];
if( !custom_field_has_read_access( $p_field_id, $p_bug_id, auth_get_current_user_id() ) ) {
return false;
}
$t_value_field = ( $t_row['type'] == CUSTOM_FIELD_TYPE_TEXTAREA ? 'text' : 'value' );
$t_query = 'SELECT ' . $t_value_field . '
FROM {custom_field_string}
WHERE bug_id=' . db_param() . ' AND
field_id=' . db_param();
$t_result = db_query( $t_query, array( $p_bug_id, $p_field_id ) );
if( db_num_rows( $t_result ) > 0 ) {
return custom_field_database_to_value( db_result( $t_result ), $t_row['type'] );
} else {
return null;
}
}
/**
* Gets the custom fields array for the given bug readable by specified level.
* Array keys are custom field names. Array is sorted by custom field sequence number;
* Array items are arrays with the next keys:
* 'type', 'value', 'access_level_r'
* @param integer $p_bug_id A bug identifier.
* @param integer $p_user_access_level Access level.
* @return array
* @access public
*/
function custom_field_get_linked_fields( $p_bug_id, $p_user_access_level ) {
$t_custom_fields = custom_field_get_all_linked_fields( $p_bug_id );
# removing restricted fields
foreach( $t_custom_fields as $t_custom_field_name => $t_custom_field_data ) {
if( $p_user_access_level < $t_custom_field_data['access_level_r'] ) {
unset( $t_custom_fields[$t_custom_field_name] );
}
}
return $t_custom_fields;
}
/**
* Gets the custom fields array for the given bug. Array keys are custom field names.
* Array is sorted by custom field sequence number; Array items are arrays with the next keys:
* 'type', 'value', 'access_level_r'
* @param integer $p_bug_id A bug identifier.
* @return array
* @access public
*/
function custom_field_get_all_linked_fields( $p_bug_id ) {
global $g_cached_custom_field_lists;
if( !is_array( $g_cached_custom_field_lists ) ) {
$g_cached_custom_field_lists = array();
}
# is the list in cache ?
if( !array_key_exists( $p_bug_id, $g_cached_custom_field_lists ) ) {
$c_project_id = (int)( bug_get_field( $p_bug_id, 'project_id' ) );
$t_query = 'SELECT f.name, f.type, f.access_level_r, f.default_value, f.type, s.value
FROM {custom_field_project} p
INNER JOIN {custom_field} f ON f.id = p.field_id
LEFT JOIN {custom_field_string} s
ON s.field_id = p.field_id AND s.bug_id = ' . db_param() . '
WHERE p.project_id = ' . db_param() . '
ORDER BY p.sequence ASC, f.name ASC';
$t_result = db_query( $t_query, array( $p_bug_id, $c_project_id) );
$t_custom_fields = array();
while( $t_row = db_fetch_array( $t_result ) ) {
if( is_null( $t_row['value'] ) ) {
$t_value = $t_row['default_value'];
} else {
$t_value = custom_field_database_to_value( $t_row['value'], $t_row['type'] );
}
$t_custom_fields[$t_row['name']] = array(
'type' => $t_row['type'],
'value' => $t_value,
'access_level_r' => $t_row['access_level_r'],
);
}
$g_cached_custom_field_lists[$p_bug_id] = $t_custom_fields;
}
return $g_cached_custom_field_lists[$p_bug_id];
}
/**
* Gets the sequence number for the specified custom field for the specified
* project. Returns false in case of error.
* @param integer $p_field_id A custom field identifier.
* @param integer $p_project_id A project identifier.
* @return integer|boolean
* @access public
*/
function custom_field_get_sequence( $p_field_id, $p_project_id ) {
$p_field_id = (int)$p_field_id;
$p_project_id = (int)$p_project_id;
$t_query = 'SELECT sequence
FROM {custom_field_project}
WHERE field_id=' . db_param() . ' AND
project_id=' . db_param();
$t_result = db_query( $t_query, array( $p_field_id, $p_project_id ), 1 );
$t_row = db_fetch_array( $t_result );
if( !$t_row ) {
return false;
}
return $t_row['sequence'];
}
/**
* Allows the validation of a custom field value without setting it
* or needing a bug to exist.
* @param integer $p_field_id Custom field identifier.
* @param string $p_value Custom field value.
* @return boolean
* @access public
*/
function custom_field_validate( $p_field_id, $p_value ) {
custom_field_ensure_exists( $p_field_id );
$t_query = 'SELECT name, type, possible_values, valid_regexp,
access_level_rw, length_min, length_max, default_value
FROM {custom_field}
WHERE id=' . db_param();
$t_result = db_query( $t_query, array( $p_field_id ) );
$t_row = db_fetch_array( $t_result );
$t_name = $t_row['name'];
$t_type = $t_row['type'];
$t_possible_values = $t_row['possible_values'];
$t_valid_regexp = $t_row['valid_regexp'];
$t_length_min = $t_row['length_min'];
$t_length_max = $t_row['length_max'];
$t_default_value = $t_row['default_value'];
$t_valid = true;
$t_length = utf8_strlen( $p_value );
switch( $t_type ) {
case CUSTOM_FIELD_TYPE_STRING:
# Empty fields are valid
if( $t_length == 0 ) {
break;
}
# Regular expression string validation
if( !is_blank( $t_valid_regexp ) ) {
$t_valid &= preg_match( '/' . $t_valid_regexp . '/', $p_value );
}
# Check the length of the string
$t_valid &= ( 0 == $t_length_min ) || ( $t_length >= $t_length_min );
$t_valid &= ( 0 == $t_length_max ) || ( $t_length <= $t_length_max );
break;
case CUSTOM_FIELD_TYPE_NUMERIC:
# Empty fields are valid
if( $t_length == 0 ) {
break;
}
$t_valid &= is_numeric( $p_value );
# Check the length of the number
$t_valid &= ( 0 == $t_length_min ) || ( $t_length >= $t_length_min );
$t_valid &= ( 0 == $t_length_max ) || ( $t_length <= $t_length_max );
break;
case CUSTOM_FIELD_TYPE_FLOAT:
# Empty fields are valid
if( $t_length == 0 ) {
break;
}
# Allow both integer and float numbers
$t_valid &= is_numeric( $p_value ) || is_float( $p_value );
# Check the length of the number
$t_valid &= ( 0 == $t_length_min ) || ( $t_length >= $t_length_min );
$t_valid &= ( 0 == $t_length_max ) || ( $t_length <= $t_length_max );