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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;
}
$g_cache_custom_field = array();
$g_cache_cf_list = null;
$g_cache_cf_linked = array();
$g_cache_name_to_id_map = array();
# Values are indexed by [ bug_id, field_id ]
# a non existant value will have a cached value of null
$g_cache_cf_bug_values = 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;
$c_field_id = (int)$p_field_id;
if( !isset( $g_cache_custom_field[$c_field_id] ) ) {
custom_field_cache_array_rows( array( $c_field_id ) );
}
# the cached index exist, even when not found
$t_cf_row = $g_cache_custom_field[$c_field_id];
if( !$t_cf_row ) {
if( $p_trigger_errors ) {
error_parameters( 'Custom ' . $p_field_id );
trigger_error( ERROR_CUSTOM_FIELD_NOT_FOUND, ERROR );
} else {
return false;
}
}
return $t_cf_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, $g_cache_name_to_id_map;
$c_cf_id_array = array();
foreach( $p_cf_id_array as $t_cf_id ) {
$c_id = (int)$t_cf_id;
if( !isset( $g_cache_custom_field[$c_id] ) ) {
$c_cf_id_array[$c_id] = $c_id;
}
}
if( empty( $c_cf_id_array ) ) {
return;
}
db_param_push();
$t_params = array();
$t_in_caluse_dbparams = array();
foreach( $c_cf_id_array as $t_id) {
$t_in_caluse_dbparams[] = db_param();
$t_params[] = $t_id;
}
$t_query = 'SELECT * FROM {custom_field} WHERE id IN (' . implode( ',', $t_in_caluse_dbparams ) . ')';
$t_result = db_query( $t_query, $t_params );
while( $t_row = db_fetch_array( $t_result ) ) {
$c_id = (int)$t_row['id'];
$g_cache_custom_field[$c_id] = $t_row;
$g_cache_name_to_id_map[$t_row['name']] = $c_id;
unset( $c_cf_id_array[$c_id] );
}
# set the remaining ids as not found
foreach( $c_cf_id_array as $t_id) {
$g_cache_custom_field[$t_id] = false;
}
return;
}
/**
* Load in cache values of custom fields, for given bugs and field ids.
* When a value for a given bug and field does not exist, fill the cached value as null
* @global array $g_cache_cf_bug_values
* @param array $p_bug_id_array
* @param array $p_field_id_array
* @return void
*/
function custom_field_cache_values( array $p_bug_id_array, array $p_field_id_array ) {
global $g_cache_cf_bug_values;
if( empty( $p_field_id_array ) ) {
return;
}
# clean fields ids
$t_fields_to_search = array();
$f_cf_defs = array();
foreach( $p_field_id_array as $t_field_id ) {
$c_field_id = (int)$t_field_id;
$t_fields_to_search[$c_field_id] = $c_field_id;
$f_cf_defs[$c_field_id] = custom_field_get_definition( $c_field_id );
}
# get bugs to fetch
$t_bugs_to_search = array();
foreach( $p_bug_id_array as $t_bug_id ) {
$c_bug_id = (int)$t_bug_id;
if( !isset( $g_cache_cf_bug_values[$c_bug_id] ) ) {
$t_bugs_to_search[] = $c_bug_id;
} else {
$t_diff = array_diff( $t_fields_to_search, array_keys( $g_cache_cf_bug_values[$c_bug_id] ) );
if( !empty( $t_diff ) ) {
$t_bugs_to_search[] = $c_bug_id;
}
}
}
if( empty( $t_bugs_to_search ) ) {
return;
}
db_param_push();
$t_params= array();
$t_query = 'SELECT B.id AS bug_id, CF.id AS field_id, CFS.value, CFS.text FROM {bug} B'
. ' LEFT OUTER JOIN {custom_field} CF ON 1 = 1'
. ' LEFT OUTER JOIN {custom_field_string} CFS ON ( B.id = CFS.bug_id AND CF.id = CFS.field_id )';
$t_bug_in_params = array();
foreach( $t_bugs_to_search as $t_bug_id ) {
$t_bug_in_params[] = db_param();
$t_params[] = $t_bug_id;
}
$t_query .= ' WHERE B.id IN (' . implode( ',', $t_bug_in_params ) . ')';
$t_field_in_params = array();
foreach( $t_fields_to_search as $t_field_id ) {
$t_field_in_params[] = db_param();
$t_params[] = $t_field_id;
}
$t_query .= ' AND CF.id IN (' . implode( ',', $t_field_in_params ) . ')';
$t_result = db_query( $t_query, $t_params );
# By having the left outer joins, non existant values are fetched as nulls,
# and can be stored in cache to mark them as not-found
while( $t_row = db_fetch_array( $t_result ) ) {
$c_bug_id = (int)$t_row['bug_id'];
# create a bug index if necessary
if( !isset( $g_cache_cf_bug_values[$c_bug_id] ) ) {
$g_cache_cf_bug_values[$c_bug_id] = array();
}
$c_field_id = (int)$t_row['field_id'];
$t_value_column = ( $f_cf_defs[$c_field_id]['type'] == CUSTOM_FIELD_TYPE_TEXTAREA ? 'text' : 'value' );
$t_value = $t_row[$t_value_column];
if( null !== $t_value ) {
$t_value = custom_field_database_to_value( $t_value, $f_cf_defs[$c_field_id]['type'] );
}
# non-existant will be stored as null
$g_cache_cf_bug_values[$c_bug_id][$c_field_id] = $t_value;
}
}
/**
* Clear the custom field values cache (or just the given bug id if specified)
* @global array $g_cache_cf_bug_values
* @param integer $p_bug_id Bug id
* @return void
*/
function custom_field_clear_cache_values( $p_bug_id = null ) {
global $g_cache_cf_bug_values;
if( null === $p_bug_id ) {
$g_cache_cf_bug_values = array();
} else {
if( isset( $g_cache_cf_bug_values[(int)$p_bug_id] ) ) {
unset( $g_cache_cf_bug_values[(int)$p_bug_id] );
}
}
}
/**
* Clear the custom field cache (or just the given id if specified)
* @param integer $p_field_id Custom field id.
* @return void
* @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 {
if( isset( $g_cache_custom_field[$p_field_id] ) ) {
unset( $g_cache_custom_field[$p_field_id] );
}
}
}
/**
* 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
db_param_push();
$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 ) {
db_param_push();
$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 );
db_param_push();
$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 );
}
db_param_push();
# 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;
}
# Reset the parameter count manually since the query was not executed
db_param_pop();
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;
}
db_param_push();
$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 ) {
db_param_push();
$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
db_param_push();
$t_query = 'DELETE FROM {custom_field_string} WHERE field_id=' . db_param();
db_query( $t_query, array( $p_field_id ) );
# delete all project associations
db_param_push();
$t_query = 'DELETE FROM {custom_field_project} WHERE field_id=' . db_param();
db_query( $t_query, array( $p_field_id ) );
# delete the definition
db_param_push();
$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 );
custom_field_clear_cache_values();
}
/**
* 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
db_param_push();
$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.
*
* 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 ) {
db_param_push();
$t_query = 'DELETE FROM {custom_field_string} WHERE bug_id=' . db_param();
db_query( $t_query, array( $p_bug_id ) );
custom_field_clear_cache_values( $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];
}
db_param_push();
$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 ) {
db_param_push();
$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 ) {
global $g_cache_cf_bug_values;
$c_bug_id = (int)$p_bug_id;
$c_field_id = (int)$p_field_id;
$t_row = custom_field_cache_row( $c_field_id );
$t_access_level_r = $t_row['access_level_r'];
# first check permissions
if( !custom_field_has_read_access( $c_field_id, $c_bug_id, auth_get_current_user_id() ) ) {
return false;
}
# A null value means a cached non existant value. It must be checked with care.
if( !isset( $g_cache_cf_bug_values[$c_bug_id] )
|| !array_key_exists( $c_field_id, $g_cache_cf_bug_values[$c_bug_id] ) ) {
custom_field_cache_values( array( $c_bug_id ), array( $c_field_id ) );
}
return $g_cache_cf_bug_values[$c_bug_id][$c_field_id];
}
/**
* 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' ) );
db_param_push();
$t_query = 'SELECT f.name, f.type, f.access_level_r, f.default_value, 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;
db_param_push();
$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 ) {
$t_row = custom_field_get_definition( $p_field_id );
$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:
case CUSTOM_FIELD_TYPE_TEXTAREA:
# 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 );
break;
case CUSTOM_FIELD_TYPE_DATE:
# gpc_get_cf for date returns the value from strtotime
# For 32 bit systems, supported range will be 13 Dec 1901 20:45:54 UTC to 19 Jan 2038 03:14:07 UTC
$t_valid &= $p_value !== false;
break;
case CUSTOM_FIELD_TYPE_CHECKBOX:
case CUSTOM_FIELD_TYPE_MULTILIST:
# Checkbox fields can hold a null value (when no checkboxes are ticked)
if( $p_value === '' ) {
break;
}
# If checkbox field value is not null then we need to validate it
$t_values = explode( '|', $p_value );
$t_possible_values = custom_field_prepare_possible_values( $t_row['possible_values'] );
$t_possible_values = explode( '|', $t_possible_values );
$t_invalid_values = array_diff( $t_values, $t_possible_values );
$t_valid &= ( count( $t_invalid_values ) == 0 );
break;
case CUSTOM_FIELD_TYPE_ENUM:
case CUSTOM_FIELD_TYPE_LIST:
case CUSTOM_FIELD_TYPE_RADIO:
# List fields can be empty (when they are not shown on the
# form, or shown with no default values and never clicked)
if( is_blank( $p_value ) ) {
break;
}
# If list field value is not empty then we need to validate it
$t_possible_values = custom_field_prepare_possible_values( $t_row['possible_values'] );
$t_values_arr = explode( '|', $t_possible_values );
$t_valid &= in_array( $p_value, $t_values_arr );
break;
case CUSTOM_FIELD_TYPE_EMAIL:
if( $p_value !== '' ) {
$t_valid &= email_is_valid( $p_value );
}
break;
default:
break;
}
return (bool)$t_valid;
}
/**
* $p_possible_values: possible values to be pre-processed. If it has enumeration values,
* it will be left as is. If it has a method, it will be replaced by the list.
* @param string $p_possible_values Possible values for custom field.
* @return string|array
* @access public
*/
function custom_field_prepare_possible_values( $p_possible_values ) {
if( !is_blank( $p_possible_values ) && ( $p_possible_values[0] == '=' ) ) {
return helper_call_custom_function( 'enum_' . utf8_substr( $p_possible_values, 1 ), array() );
}
return $p_possible_values;
}
/**
* Get All Possible Values for a Field.
* @param array $p_field_def Custom field definition.
* @param integer $p_project_id Project identifier.
* @return boolean|array
* @access public
*/
function custom_field_distinct_values( array $p_field_def, $p_project_id = ALL_PROJECTS ) {
global $g_custom_field_type_definition;
$t_return_arr = array();
# If an enumeration type, we get all possible values, not just used values
if( isset( $g_custom_field_type_definition[$p_field_def['type']]['#function_return_distinct_values'] ) ) {
return call_user_func( $g_custom_field_type_definition[$p_field_def['type']]['#function_return_distinct_values'], $p_field_def );
} else {
db_param_push();
$t_from = '{custom_field_string} cfst';
$t_where1 = 'cfst.field_id = ' . db_param();
$t_params[] = $p_field_def['id'];
if( ALL_PROJECTS != $p_project_id ) {
$t_from .= ' JOIN {bug} bt ON bt.id = cfst.bug_id';
$t_where2 = 'AND bt.project_id = ' . db_param();
$t_params[] = $p_project_id;
} else {
$t_where2 = '';
}
$t_query = 'SELECT DISTINCT cfst.value
FROM ' . $t_from . '
WHERE ' . $t_where1 . $t_where2 . '
ORDER BY cfst.value';
$t_result = db_query( $t_query, $t_params );
$t_row_count = 0;
while( $t_row = db_fetch_array( $t_result ) ) {
$t_row_count++;
if( !is_blank( trim( $t_row['value'] ) ) ) {
array_push( $t_return_arr, $t_row['value'] );
}
}
if( 0 == $t_row_count ) {
return false;
}
}
return $t_return_arr;
}
/**
* Convert the value to save it into the database, depending of the type
* return value for database
* @param boolean|integer|string $p_value Custom field value.
* @param integer $p_type Custom field type.
* @return boolean|integer|string
* @access public
*/
function custom_field_value_to_database( $p_value, $p_type ) {
global $g_custom_field_type_definition;
$t_value = $p_value;
if( isset( $g_custom_field_type_definition[$p_type]['#function_value_to_database'] ) ) {
$t_value = call_user_func( $g_custom_field_type_definition[$p_type]['#function_value_to_database'], $p_value );
}
return $t_value === null ? '' : $t_value;
}
/**
* Convert the database-value to value, depending of the type
* return value for further operation
* @param boolean|integer|string $p_value Custom field value.
* @param integer $p_type Custom field type.
* @return boolean|integer|string
* @access public
*/
function custom_field_database_to_value( $p_value, $p_type ) {
global $g_custom_field_type_definition;
if( isset( $g_custom_field_type_definition[$p_type]['#function_database_to_value'] ) ) {
return call_user_func( $g_custom_field_type_definition[$p_type]['#function_database_to_value'], $p_value );
}
return $p_value;
}
/**
* Convert the default-value to value depending on the type. For example, in case of date, this
* would translate 'tomorrow' to tomorrow's date.
* @param boolean|integer|string $p_value Custom field default value.
* @param integer $p_type Custom field type.
* @return boolean|integer|string
* @access public
*/
function custom_field_default_to_value( $p_value, $p_type ) {
global $g_custom_field_type_definition;
if( isset( $g_custom_field_type_definition[$p_type]['#function_default_to_value'] ) ) {
return call_user_func( $g_custom_field_type_definition[$p_type]['#function_default_to_value'], $p_value );
}
return $p_value;
}
/**
* Set the value of a custom field for a given bug
* return true on success, false on failure
* @param integer $p_field_id Custom field identifier.
* @param integer $p_bug_id A bug identifier.
* @param mixed $p_value New custom field value.
* @param boolean $p_log_insert Create history logs for new values.
* @return boolean
* @access public
*/
function custom_field_set_value( $p_field_id, $p_bug_id, $p_value, $p_log_insert = true ) {
custom_field_ensure_exists( $p_field_id );
if( !custom_field_validate( $p_field_id, $p_value ) ) {
return false;
}
$t_name = custom_field_get_field( $p_field_id, 'name' );
$t_type = custom_field_get_field( $p_field_id, 'type' );
$t_value_field = ( $t_type == CUSTOM_FIELD_TYPE_TEXTAREA ) ? 'text' : 'value';
$t_value = custom_field_value_to_database( $p_value, $t_type );
# Determine whether an existing value needs to be updated or a new value inserted
db_param_push();
$t_query = 'SELECT ' . $t_value_field . '
FROM {custom_field_string}
WHERE field_id=' . db_param() . ' AND
bug_id=' . db_param();
$t_result = db_query( $t_query, array( $p_field_id, $p_bug_id ) );
if( $t_row = db_fetch_array( $t_result ) ) {
db_param_push();
$t_query = 'UPDATE {custom_field_string}
SET ' . $t_value_field . '=' . db_param() . '
WHERE field_id=' . db_param() . ' AND
bug_id=' . db_param();
$t_params = array(
$t_value,
(int)$p_field_id,
(int)$p_bug_id,
);
db_query( $t_query, $t_params );
history_log_event_direct( $p_bug_id, $t_name, custom_field_database_to_value( $t_row[$t_value_field], $t_type ), $t_value );
} else {
db_param_push();
$t_query = 'INSERT INTO {custom_field_string}
( field_id, bug_id, ' . $t_value_field . ' )
VALUES
( ' . db_param() . ', ' . db_param() . ', ' . db_param() . ')';
$t_params = array(
(int)$p_field_id,
(int)$p_bug_id,
$t_value,
);
db_query( $t_query, $t_params );
# Don't log history events for new bug reports or on other special occasions
if( $p_log_insert ) {
history_log_event_direct( $p_bug_id, $t_name, '', $t_value );
}
}
custom_field_clear_cache_values( $p_bug_id );
# db_query() errors on failure so:
return true;
}
/**
* Sets the sequence number for the specified custom field for the specified
* project.
* @param integer $p_field_id A custom field identifier.
* @param integer $p_project_id A Project identifier.
* @param integer $p_sequence Sequence order.
* @return boolean
* @access public
*/
function custom_field_set_sequence( $p_field_id, $p_project_id, $p_sequence ) {
db_param_push();
$t_query = 'UPDATE {custom_field_project}
SET sequence=' . db_param() . '
WHERE field_id=' . db_param() . ' AND
project_id=' . db_param();
db_query( $t_query, array( $p_sequence, $p_field_id, $p_project_id ) );
custom_field_clear_cache( $p_field_id );
return true;
}
/**
* Print an input field
* $p_field_def contains the definition of the custom field (including it's field id
* $p_bug_id contains the bug where this field belongs to. If it's left
* away, it'll default to 0 and thus belongs to a new (i.e. non-existant) bug
* NOTE: This probably belongs in the print_api.php
* @param array $p_field_def Custom field definition.
* @param integer $p_bug_id A bug identifier.
* @return void
* @access public
*/
function print_custom_field_input( array $p_field_def, $p_bug_id = null ) {
if( null === $p_bug_id ) {
$t_custom_field_value = custom_field_default_to_value( $p_field_def['default_value'], $p_field_def['type'] );
} else {
$t_custom_field_value = custom_field_get_value( $p_field_def['id'], $p_bug_id );
# If the custom field value is undefined and the field cannot hold a null value, use the default value instead
if( $t_custom_field_value === null &&
( $p_field_def['type'] == CUSTOM_FIELD_TYPE_ENUM ||
$p_field_def['type'] == CUSTOM_FIELD_TYPE_LIST ||
$p_field_def['type'] == CUSTOM_FIELD_TYPE_MULTILIST ||
$p_field_def['type'] == CUSTOM_FIELD_TYPE_RADIO ) ) {
$t_custom_field_value = custom_field_default_to_value( $p_field_def['default_value'], $p_field_def['type'] );
}
}
global $g_custom_field_type_definition;
if( isset( $g_custom_field_type_definition[$p_field_def['type']]['#function_print_input'] ) ) {
call_user_func( $g_custom_field_type_definition[$p_field_def['type']]['#function_print_input'], $p_field_def, $t_custom_field_value );
print_hidden_input( custom_field_presence_field_name( $p_field_def['id'] ), '1' );
} else {
trigger_error( ERROR_CUSTOM_FIELD_INVALID_DEFINITION, ERROR );
}
}
/**
* Constructs the name of a field used as a flag to indicate that a custom field is present on the form
* @param integer $p_custom_field_id The custom field id to create the field name for.
* @return string The field name.
*/
function custom_field_presence_field_name( $p_custom_field_id ) {
return 'custom_field_' . (int)$p_custom_field_id . '_presence';
}
/**
* Checks the presence of a custom field on the form.
* @param integer $p_custom_field_id The custom field id to check.
* @return bool true when field is on form, false otherwise.
*/
function custom_field_is_present( $p_custom_field_id ) {
return gpc_isset( custom_field_presence_field_name( $p_custom_field_id ) );
}
/**
* Prepare a string containing a custom field value for display
* @param array $p_def Contains the definition of the custom field.
* @param integer $p_field_id Contains the id of the field.
* @param integer $p_bug_id Contains the bug id to display the custom field value for.
* @return string
* @access public
*/
function string_custom_field_value( array $p_def, $p_field_id, $p_bug_id ) {
$t_custom_field_value = custom_field_get_value( $p_field_id, $p_bug_id );
if( $t_custom_field_value === null ) {
return '';
}
global $g_custom_field_type_definition;
if( isset( $g_custom_field_type_definition[$p_def['type']]['#function_string_value'] ) ) {
return call_user_func( $g_custom_field_type_definition[$p_def['type']]['#function_string_value'], $t_custom_field_value );
}
return string_display_links( $t_custom_field_value );
}
/**
* Print a custom field value for display
* NOTE: This probably belongs in the print_api.php
* @param array $p_def Contains the definition of the custom field.
* @param integer $p_field_id Contains the id of the field.
* @param integer $p_bug_id Contains the bug id to display the custom field value for.
* @return void
* @access public
*/
function print_custom_field_value( array $p_def, $p_field_id, $p_bug_id ) {
echo string_custom_field_value( $p_def, $p_field_id, $p_bug_id );
}
/**
* Prepare a string containing a custom field value for email
* NOTE: This probably belongs in the string_api.php
* @param string $p_value Value of custom field.
* @param integer $p_type Type of custom field.
* @return string value ready for sending via email
* @access public
*/
function string_custom_field_value_for_email( $p_value, $p_type ) {
global $g_custom_field_type_definition;
if( isset( $g_custom_field_type_definition[$p_type]['#function_string_value_for_email'] ) ) {
return call_user_func( $g_custom_field_type_definition[$p_type]['#function_string_value_for_email'], $p_value );
}
return $p_value;
}