/
custom_field_api.php
1332 lines (1132 loc) · 43.4 KB
/
custom_field_api.php
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<?php
# Mantis - a php based bugtracking system
# Copyright (C) 2000 - 2002 Kenzaburo Ito - kenito@300baud.org
# Copyright (C) 2002 - 2007 Mantis Team - mantisbt-dev@lists.sourceforge.net
# Mantis 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.
#
# Mantis 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 Mantis. If not, see <http://www.gnu.org/licenses/>.
# --------------------------------------------------------
# $Id: custom_field_api.php,v 1.67 2007-10-24 22:30:59 giallu Exp $
# --------------------------------------------------------
$t_core_dir = dirname( __FILE__ ).DIRECTORY_SEPARATOR;
require_once( $t_core_dir . 'bug_api.php' );
require_once( $t_core_dir . 'helper_api.php' );
require_once( $t_core_dir . '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
#*******************************************
#===================================
# Caching
#===================================
#########################################
# 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();
# 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.
function custom_field_cache_row( $p_field_id, $p_trigger_errors=true ) {
global $g_cache_custom_field;
$c_field_id = db_prepare_int( $p_field_id );
$t_custom_field_table = config_get( 'mantis_custom_field_table' );
if ( isset ( $g_cache_custom_field[$c_field_id] ) ) {
return $g_cache_custom_field[$c_field_id];
}
$query = "SELECT *
FROM $t_custom_field_table
WHERE id='$c_field_id'";
$result = db_query( $query );
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;
return $row;
}
# --------------------
# Clear the custom field cache (or just the given id if specified)
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;
}
#===================================
# Boolean queries and ensures
#===================================
# --------------------
# Check to see whether the field is included in the given project
# return true if the field is included, false otherwise
#
function custom_field_is_linked( $p_field_id, $p_project_id ) {
$c_project_id = db_prepare_int( $p_project_id );
$c_field_id = db_prepare_int( $p_field_id );
# figure out if this bug_id/field_id combination exists
$t_custom_field_project_table = config_get( 'mantis_custom_field_project_table' );
$query = "SELECT COUNT(*)
FROM $t_custom_field_project_table
WHERE field_id='$c_field_id' AND
project_id='$c_project_id'";
$result = db_query( $query );
$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
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.
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
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.
function custom_field_is_name_unique( $p_name, $p_custom_field_id = null ) {
$c_name = db_prepare_string( $p_name );
$t_custom_field_table = config_get( 'mantis_custom_field_table' );
$query = "SELECT COUNT(*)
FROM $t_custom_field_table
WHERE name='$c_name'";
if ( $p_custom_field_id !== null ) {
$c_id = db_prepare_int( $p_custom_field_id );
$query .= " AND (id <> $c_id)";
}
$result = db_query( $query );
$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
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.
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 modify the value of the field for the given project,
# false otherwise.
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.
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 ) );
}
#===================================
# Creation / Deletion / Updating
#===================================
# --------------------
# 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
function custom_field_create( $p_name ) {
if ( string_contains_scripting_chars( $p_name ) ) {
trigger_error( ERROR_CUSTOM_FIELD_INVALID_DEFINITION, ERROR );
}
$c_name = db_prepare_string( 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 = config_get( 'mantis_custom_field_table' );
$query = "INSERT INTO $t_custom_field_table
( name )
VALUES
( '$c_name' )";
db_query( $query );
return db_insert_id( $t_custom_field_table );
}
# --------------------
# Update the field definition
# return true on success, false on failure
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_advanced = db_prepare_bool( $p_def_array['advanced'] );
$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 ( $c_advanced == true && ( $c_require_report == true || $c_require_update ) ) {
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 = config_get( '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( 'advanced', $p_def_array ) ) {
if ( !$t_update_something ) {
$t_update_something = true;
} else {
$query .= ', ';
}
$query .= "advanced='$c_advanced'";
}
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
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 = config_get( 'mantis_custom_field_project_table' );
$query = "INSERT INTO $t_custom_field_project_table
( field_id, project_id )
VALUES
( '$c_field_id', '$c_project_id' )";
db_query( $query );
# 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.
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 = config_get( 'mantis_custom_field_project_table' );
$query = "DELETE FROM $t_custom_field_project_table
WHERE field_id = '$c_field_id' AND
project_id = '$c_project_id'";
db_query( $query );
# 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
function custom_field_destroy( $p_field_id ) {
$c_field_id = db_prepare_int( $p_field_id );
# delete all values
$t_custom_field_string_table = config_get( 'mantis_custom_field_string_table' );
$query = "DELETE FROM $t_custom_field_string_table
WHERE field_id='$c_field_id'";
db_query( $query );
# delete all project associations
$t_custom_field_project_table = config_get( 'mantis_custom_field_project_table' );
$query = "DELETE FROM $t_custom_field_project_table
WHERE field_id='$c_field_id'";
db_query( $query );
$t_custom_field_table = config_get( 'mantis_custom_field_table' );
# delete the definition
$query = "DELETE FROM $t_custom_field_table
WHERE id='$c_field_id'";
db_query( $query );
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().
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 = config_get( 'mantis_custom_field_project_table' );
$query = "DELETE FROM $t_custom_field_project_table
WHERE project_id='$c_project_id'";
db_query( $query );
# 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().
function custom_field_delete_all_values( $p_bug_id ) {
$c_bug_id = db_prepare_int( $p_bug_id );
$t_custom_field_string_table = config_get( 'mantis_custom_field_string_table' );
$query = "DELETE FROM $t_custom_field_string_table
WHERE bug_id='$c_bug_id'";
db_query( $query );
#db_query() errors on failure so:
return true;
}
#===================================
# Data Access
#===================================
# --------------------
# Get the id of the custom field with the specified name.
# false is returned if no custom field found with the specified name.
function custom_field_get_id_from_name( $p_field_name, $p_truncated_length = null ) {
if ( $p_field_name == '' ) {
return false;
}
$t_custom_field_table = config_get( 'mantis_custom_field_table' );
$c_field_name = db_prepare_string( $p_field_name );
if ( ( null === $p_truncated_length ) || ( strlen( $c_field_name ) != $p_truncated_length ) ) {
$query = "SELECT id FROM $t_custom_field_table WHERE name = '$c_field_name'";
} else {
# @@@ This is to handle the case where we only have a truncated part of the name. This happens in the case where
# we are getting the custom field name from the history logs, since history is 32 and custom field name is 64.
# This fix will handle entries already in the database, future entries should be handled by making the field name max lengths match.
$query = "SELECT id FROM $t_custom_field_table WHERE name LIKE '$c_field_name%'";
}
$t_result = db_query( $query, 1 );
if ( db_num_rows( $t_result ) == 0 ) {
return false;
}
$row = db_fetch_array( $t_result );
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
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] ) ) {
$t_custom_field_table = config_get( 'mantis_custom_field_table' );
$t_custom_field_project_table = config_get( 'mantis_custom_field_project_table' );
if ( ALL_PROJECTS == $p_project_id ) {
$t_project_user_list_table = config_get( 'mantis_project_user_list_table' );
$t_project_table = config_get( 'mantis_project_table' );
$t_user_table = config_get( '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 cft.id as id, cft.name as name
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 ) )
GROUP BY cft.id, cft.name
ORDER BY cft.name ASC";
} 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, cft.name, cfpt.sequence
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'] );
}
$g_cache_cf_linked[$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
function custom_field_get_ids( ) {
global $g_cache_cf_list;
if ( $g_cache_cf_list === NULL ) {
$t_custom_field_table = config_get( 'mantis_custom_field_table' );
$query = "SELECT id, name
FROM $t_custom_field_table
ORDER BY 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'] );
}
$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)
function custom_field_get_project_ids( $p_field_id ) {
$c_field_id = db_prepare_int( $p_field_id );
$t_custom_field_project_table = config_get( 'mantis_custom_field_project_table' );
$query = "SELECT project_id
FROM $t_custom_field_project_table
WHERE field_id = '$c_field_id'";
$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['project_id'] );
}
return $t_ids;
}
# --------------------
# Return a field definition row for the field or error if the field does
# not exist
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 ''
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
#
# @@@ return values are unclear... should we error when access is denied
# and provide an api to check whether it will be?
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 );
custom_field_ensure_exists( $p_field_id );
$t_custom_field_table = config_get( 'mantis_custom_field_table' );
$query = "SELECT access_level_r, default_value, type
FROM $t_custom_field_table
WHERE id='$c_field_id'";
$result = db_query( $query );
$row = db_fetch_array( $result );
$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 = config_get( 'mantis_custom_field_string_table' );
$query = "SELECT value
FROM $t_custom_field_string_table
WHERE bug_id='$c_bug_id' AND
field_id='$c_field_id'";
$result = db_query( $query );
if( db_num_rows( $result ) > 0 ) {
return custom_field_database_to_value( db_result( $result ) , $row['type'] );
} else {
return $t_default_value;
}
}
# --------------------
# 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'
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'
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_bug_id = db_prepare_int( $p_bug_id );
$c_project_id = db_prepare_int( bug_get_field( $p_bug_id, 'project_id' ) );
$t_custom_field_project_table = config_get( 'mantis_custom_field_project_table' );
$t_custom_field_table = config_get( 'mantis_custom_field_table' );
$t_custom_field_string_table = config_get( 'mantis_custom_field_string_table' );
$query = "SELECT f.name, f.type, f.access_level_r, f.default_value, f.type, s.value
FROM $t_custom_field_project_table p INNER JOIN $t_custom_field_table f
ON p.field_id = f.id
LEFT JOIN $t_custom_field_string_table s
ON p.field_id=s.field_id AND s.bug_id='$c_bug_id'
WHERE p.project_id = '$c_project_id'
ORDER BY p.sequence ASC, f.name ASC";
$result = db_query( $query );
$t_row_count = db_num_rows( $result );
$t_custom_fields = array();
for ( $i=0 ; $i < $t_row_count ; ++$i ) {
$row = db_fetch_array( $result );
if( is_null( $row['value'] ) ) {
$t_value = $row['default_value'];
} else {
$t_value = custom_field_database_to_value( $row['value'], $row['type'] );
}
$t_custom_fields[$row['name']] = array( 'type' => $row['type'],
'value' => $t_value,
'access_level_r' => $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.
function custom_field_get_sequence( $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 = config_get( 'mantis_custom_field_project_table' );
$query = "SELECT sequence
FROM $t_custom_field_project_table
WHERE field_id='$c_field_id' AND
project_id='$c_project_id'";
$result = db_query( $query, 1 );
if ( 0 == db_num_rows( $result ) ) {
return false;
}
$t_row = db_fetch_array( $result );
return $t_row['sequence'];
}
# --------------------
# Allows the validation of a custom field value without setting it
# or needing a bug to exist.
function custom_field_validate( $p_field_id, $p_value ) {
$c_field_id = db_prepare_int( $p_field_id );
$c_value = db_prepare_string( $p_value );
custom_field_ensure_exists( $p_field_id );
$t_custom_field_table = config_get( 'mantis_custom_field_table' );
$query = "SELECT name, type, possible_values, valid_regexp,
access_level_rw, length_min, length_max, default_value
FROM $t_custom_field_table
WHERE id='$c_field_id'";
$result = db_query( $query );
$row = db_fetch_array( $result );
$t_name = $row['name'];
$t_type = $row['type'];
$t_possible_values = $row['possible_values'];
$t_valid_regexp = $row['valid_regexp'];
$t_length_min = $row['length_min'];
$t_length_max = $row['length_max'];
$t_default_value = $row['default_value'];
# check for valid value
if ( !is_blank( $t_valid_regexp ) ) {
if ( !ereg( $t_valid_regexp, $p_value ) ) {
return false;
}
}
if ( strlen( $p_value ) < $t_length_min ) {
return false;
}
if ( ( 0 != $t_length_max ) && ( strlen( $p_value ) > $t_length_max ) ) {
return false;
}
return true;
}
# --------------------
# $p_possible_values: possible values to be pre-processed. If it has enum values,
# it will be left as is. If it has a method, it will be replaced
# by the list.
function custom_field_prepare_possible_values( $p_possible_values ) {
$t_possible_values = $p_possible_values;
if ( !is_blank( $t_possible_values ) && ( $t_possible_values[0] == '=' ) ) {
$t_possible_values = helper_call_custom_function( 'enum_' . substr( $t_possible_values, 1 ), array() );
}
return $t_possible_values;
}
# --------------------
# Get All Possible Values for a Field.
function custom_field_distinct_values( $p_field_id, $p_project_id = ALL_PROJECTS ) {
$c_field_id = db_prepare_int( $p_field_id );
$c_project_id = db_prepare_int( $p_project_id );
$t_custom_field_string_table = config_get( 'mantis_custom_field_string_table' );
$t_custom_field_table = config_get( 'mantis_custom_field_table' );
$t_mantis_bug_table = config_get( 'mantis_bug_table' );
$t_return_arr = array();
$query = "SELECT type, possible_values
FROM $t_custom_field_table
WHERE id='$c_field_id'";
$result = db_query( $query );
$t_row_count = db_num_rows( $result );
if ( 0 == $t_row_count ) {
return false;
}
$row = db_fetch_array( $result );
# If an enumeration type, we get all possible values, not just used values