/
category_api.php
711 lines (616 loc) · 22 KB
/
category_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/>.
/**
* Category API
*
* @package CoreAPI
* @subpackage CategoryAPI
* @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 config_api.php
* @uses constant_inc.php
* @uses database_api.php
* @uses error_api.php
* @uses helper_api.php
* @uses history_api.php
* @uses lang_api.php
* @uses project_api.php
* @uses project_hierarchy_api.php
* @uses utility_api.php
*/
use Mantis\Exceptions\ClientException;
require_api( 'config_api.php' );
require_api( 'constant_inc.php' );
require_api( 'database_api.php' );
require_api( 'error_api.php' );
require_api( 'helper_api.php' );
require_api( 'history_api.php' );
require_api( 'lang_api.php' );
require_api( 'project_api.php' );
require_api( 'project_hierarchy_api.php' );
require_api( 'utility_api.php' );
# Category data cache (to prevent excessive db queries)
$g_category_cache = array();
/**
* Check whether the category exists globally.
*
* @param integer $p_category_id A Category identifier.
* @return boolean Return true if the category exists, false otherwise
* @access public
*/
function category_exists( $p_category_id ) {
$t_category_row = category_get_row( $p_category_id, /* error_if_not_exists */ false );
return $t_category_row !== false;
}
/**
* Trigger an error if category does not exist globally.
*
* @param integer $p_category_id A Category identifier.
* @return void
* @access public
*/
function category_ensure_exists( $p_category_id ) {
if( !category_exists( $p_category_id ) ) {
trigger_error( ERROR_CATEGORY_NOT_FOUND, ERROR );
}
}
/**
* Check whether the category exists within the project hierarchy.
*
* @param int $p_category_id Category identifier.
* @param int $p_project_id Project identifier.
*
* @return bool True if the category exists, false otherwise.
*/
function category_exists_in_project( $p_category_id, $p_project_id ) {
if( $p_category_id == 0
&& config_get( 'allow_no_category', null, null, $p_project_id )
) {
return true;
}
$t_categories = array_column( category_get_all_rows( $p_project_id ), 'id' );
return in_array( $p_category_id, $t_categories );
}
/**
* Trigger an error if the category does not exist within the project hierarchy.
*
* @param int $p_category_id Category identifier.
* @param int $p_project_id Project identifier.
*
* @throws ClientException
*/
function category_ensure_exists_in_project( $p_category_id, $p_project_id ) {
if( !category_exists_in_project( $p_category_id, $p_project_id ) ) {
throw new ClientException(
"Category '$p_category_id' not available in project '$p_project_id'.",
ERROR_CATEGORY_NOT_FOUND_FOR_PROJECT,
array( $p_category_id, $p_project_id )
);
}
}
/**
* Check whether the category is unique within a project
* @param integer $p_project_id A project identifier.
* @param string $p_name Project name.
* @return boolean Returns true if the category is unique, false otherwise
* @access public
*/
function category_is_unique( $p_project_id, $p_name ) {
db_param_push();
$t_query = 'SELECT COUNT(*) FROM {category}
WHERE project_id=' . db_param() . ' AND ' . db_helper_like( 'name' );
$t_count = db_result( db_query( $t_query, array( $p_project_id, $p_name ) ) );
if( 0 < $t_count ) {
return false;
} else {
return true;
}
}
/**
* Check whether the category is unique within a project
* Trigger an error if it is not
* @param integer $p_project_id Project identifier.
* @param string $p_name Category Name.
* @return void
* @access public
*/
function category_ensure_unique( $p_project_id, $p_name ) {
if( !category_is_unique( $p_project_id, $p_name ) ) {
trigger_error( ERROR_CATEGORY_DUPLICATE, ERROR );
}
}
/**
* Checks whether the category can be deleted.
* It is not allowed to delete a category if it is defined as 'default for moves'
* @see $g_default_category_for_moves
* @param integer $p_category_id Category identifier.
* @return boolean True if category can be deleted, false otherwise
* @access public
*/
function category_can_remove( $p_category_id ) {
$t_default_category_id = config_get( 'default_category_for_moves', null, ALL_USERS, ALL_PROJECTS );
return $p_category_id != $t_default_category_id
&& !config_is_defined( 'default_category_for_moves', $p_category_id );
}
/**
* Trigger an error if the category cannot be deleted.
* @param integer $p_category_id Category identifier.
* @return void
* @access public
*/
function category_ensure_can_remove( $p_category_id ) {
if( !category_can_remove( $p_category_id ) ) {
trigger_error( ERROR_CATEGORY_CANNOT_DELETE_DEFAULT, ERROR );
}
}
/**
* Add a new category to the project
* @param integer $p_project_id Project identifier.
* @param string $p_name Category Name.
* @return integer Category ID
* @access public
*/
function category_add( $p_project_id, $p_name ) {
if( is_blank( $p_name ) ) {
error_parameters( lang_get( 'category' ) );
trigger_error( ERROR_EMPTY_FIELD, ERROR );
}
category_ensure_unique( $p_project_id, $p_name );
db_param_push();
$t_query = 'INSERT INTO {category} ( project_id, name )
VALUES ( ' . db_param() . ', ' . db_param() . ' )';
db_query( $t_query, array( $p_project_id, $p_name ) );
# db_query() errors on failure so:
return db_insert_id( db_get_table( 'category' ) );
}
/**
* Update the name and user associated with the category.
*
* @param int $p_category_id Category identifier.
* @param string $p_name Category Name.
* @param int $p_assigned_to User ID that category is assigned to.
* @param int $p_status Category status (see CATEGORY_STATUS_* constants)
*
* @return void
* @access public
*/
function category_update( $p_category_id, $p_name, $p_assigned_to, $p_status ) {
if( is_blank( $p_name ) ) {
error_parameters( lang_get( 'category' ) );
trigger_error( ERROR_EMPTY_FIELD, ERROR );
}
$t_old_category = category_get_row( $p_category_id );
$t_project_id = (int)$t_old_category['project_id'];
# Ensure target user exists and is allowed to handle bugs
if( $p_assigned_to != NO_USER ) {
if( user_exists( $p_assigned_to ) ) {
$t_handle_bugs = config_get( 'handle_bug_threshold' );
if( !access_has_project_level( $t_handle_bugs, $t_project_id, $p_assigned_to ) ) {
trigger_error( ERROR_USER_DOES_NOT_HAVE_REQ_ACCESS, ERROR );
}
} else {
error_parameters( $p_assigned_to );
trigger_error( ERROR_USER_BY_ID_NOT_FOUND, ERROR );
}
}
db_param_push();
$t_query = 'UPDATE {category} SET name=' . db_param() . ', user_id=' . db_param() . ', status=' . db_param() .'
WHERE id=' . db_param();
db_query( $t_query, array( $p_name, $p_assigned_to , $p_status, $p_category_id ) );
# Add bug history entries if we update the category's name
if( $t_old_category['name'] != $p_name ) {
db_param_push();
$t_query = 'SELECT id FROM {bug} WHERE category_id=' . db_param();
$t_result = db_query( $t_query, array( $p_category_id ) );
while( $t_bug_row = db_fetch_array( $t_result ) ) {
history_log_event_direct( $t_bug_row['id'], 'category', $t_old_category['name'], $p_name );
}
}
}
/**
* Remove a category from the project
* @param integer $p_category_id Category identifier.
* @param integer $p_new_category_id New category id (to replace existing category).
* @return void
* @access public
*/
function category_remove( $p_category_id, $p_new_category_id = 0 ) {
$t_category_row = category_get_row( $p_category_id );
category_ensure_exists( $p_category_id );
category_ensure_can_remove( $p_category_id );
if( 0 != $p_new_category_id ) {
category_ensure_exists( $p_new_category_id );
}
db_param_push();
$t_query = 'DELETE FROM {category} WHERE id=' . db_param();
db_query( $t_query, array( $p_category_id ) );
# update bug history entries
db_param_push();
$t_query = 'SELECT id FROM {bug} WHERE category_id=' . db_param();
$t_result = db_query( $t_query, array( $p_category_id ) );
while( $t_bug_row = db_fetch_array( $t_result ) ) {
history_log_event_direct( $t_bug_row['id'], 'category', $t_category_row['name'], category_full_name( $p_new_category_id, false ) );
}
# update bug data
db_param_push();
$t_query = 'UPDATE {bug} SET category_id=' . db_param() . ' WHERE category_id=' . db_param();
db_query( $t_query, array( $p_new_category_id, $p_category_id ) );
}
/**
* Remove all categories associated with a project.
* This will skip processing of categories that can't be deleted.
* @param integer $p_project_id A Project identifier.
* @param integer $p_new_category_id New category id (to replace existing category).
* @return boolean
* @access public
*/
function category_remove_all( $p_project_id, $p_new_category_id = 0 ) {
project_ensure_exists( $p_project_id );
if( 0 != $p_new_category_id ) {
category_ensure_exists( $p_new_category_id );
}
# cache category names
category_get_all_rows( $p_project_id );
# get a list of affected categories
db_param_push();
$t_query = 'SELECT id FROM {category} WHERE project_id=' . db_param();
$t_result = db_query( $t_query, array( $p_project_id ) );
$t_category_ids = array();
while( $t_row = db_fetch_array( $t_result ) ) {
# Don't add category to the list if it can't be deleted
if( !category_can_remove( $t_row['id'] ) ) {
continue;
}
$t_category_ids[] = $t_row['id'];
}
# Handle projects with no categories
if( count( $t_category_ids ) < 1 ) {
return true;
}
$t_category_ids = implode( ',', $t_category_ids );
# update bug history entries
$t_query = 'SELECT id, category_id FROM {bug} WHERE category_id IN ( ' . $t_category_ids . ' )';
$t_result = db_query( $t_query );
while( $t_bug_row = db_fetch_array( $t_result ) ) {
history_log_event_direct( $t_bug_row['id'], 'category', category_full_name( $t_bug_row['category_id'], false ), category_full_name( $p_new_category_id, false ) );
}
# update bug data
db_param_push();
$t_query = 'UPDATE {bug} SET category_id=' . db_param() . ' WHERE category_id IN ( ' . $t_category_ids . ' )';
db_query( $t_query, array( $p_new_category_id ) );
# delete categories
db_param_push();
$t_query = 'DELETE FROM {category} WHERE project_id=' . db_param();
db_query( $t_query, array( $p_project_id ) );
return true;
}
/**
* Return the definition row for the category
* @param integer $p_category_id Category identifier.
* @param boolean $p_error_if_not_exists true: error if not exists, otherwise return false.
* @return array|false An array containing category details.
* @access public
*/
function category_get_row( $p_category_id, $p_error_if_not_exists = true ) {
global $g_category_cache;
$p_category_id = (int)$p_category_id;
if( isset( $g_category_cache[$p_category_id] ) ) {
return $g_category_cache[$p_category_id];
}
db_param_push();
$t_query = 'SELECT * FROM {category} WHERE id=' . db_param();
$t_result = db_query( $t_query, array( $p_category_id ) );
$t_row = db_fetch_array( $t_result );
if( !$t_row ) {
if( $p_error_if_not_exists ) {
trigger_error( ERROR_CATEGORY_NOT_FOUND, ERROR );
} else {
return false;
}
}
$g_category_cache[$p_category_id] = $t_row;
return $t_row;
}
/**
* Sort categories based on what project they're in.
* Call beforehand with a single parameter to set a 'preferred' project.
* @param int|array $p_category1 Id of preferred project or array containing category details.
* @param array|null $p_category2 Array containing category details.
* @return integer|null An integer representing sort order.
* @access public
*/
function category_sort_rows_by_project( $p_category1, array $p_category2 = null ) {
static $s_project_id = null;
if( is_null( $p_category2 ) ) {
# Set a target project
$s_project_id = $p_category1;
return null;
}
if( !is_null( $s_project_id ) ) {
if( $p_category1['project_id'] == $s_project_id && $p_category2['project_id'] != $s_project_id ) {
return -1;
}
if( $p_category1['project_id'] != $s_project_id && $p_category2['project_id'] == $s_project_id ) {
return 1;
}
}
$t_proj_cmp = strcasecmp( (string)$p_category1['project_name'], (string)$p_category2['project_name'] );
if( $t_proj_cmp != 0 ) {
return $t_proj_cmp;
}
return strcasecmp( (string)$p_category1['name'], (string)$p_category2['name'] );
}
$g_cache_category_project = null;
/**
* Cache categories from multiple projects
* @param array $p_project_id_array Array of project identifiers.
* @return void
*/
function category_cache_array_rows_by_project( array $p_project_id_array ) {
global $g_category_cache, $g_cache_category_project;
$c_project_id_array = array();
foreach( $p_project_id_array as $t_project_id ) {
if( !isset( $g_cache_category_project[(int)$t_project_id] ) ) {
$c_project_id_array[] = (int)$t_project_id;
$g_cache_category_project[(int)$t_project_id] = array();
}
}
if( empty( $c_project_id_array ) ) {
return;
}
$t_query = 'SELECT c.*, p.name AS project_name FROM {category} c
LEFT JOIN {project} p
ON c.project_id=p.id
WHERE project_id IN ( ' . implode( ', ', $c_project_id_array ) . ' )
ORDER BY c.name ';
$t_result = db_query( $t_query );
$t_rows = array();
while( $t_row = db_fetch_array( $t_result ) ) {
$g_category_cache[(int)$t_row['id']] = $t_row;
$t_rows[(int)$t_row['project_id']][] = $t_row['id'];
}
foreach( $t_rows as $t_project_id => $t_row ) {
$g_cache_category_project[(int)$t_project_id] = $t_row;
}
}
/**
* Get a distinct array of categories accessible to the current user for
* the specified projects. If no project is specified, use the current project.
* If the current project is ALL_PROJECTS get all categories for all accessible projects.
* For all cases, get global categories and subproject categories according to configured inheritance settings.
* @param integer|null $p_project_id A specific project or null.
* @return array A unique array of category names
*/
function category_get_filter_list( $p_project_id = null ) {
if( null === $p_project_id ) {
$t_project_id = helper_get_current_project();
} else {
$t_project_id = $p_project_id;
}
if( $t_project_id == ALL_PROJECTS ) {
$t_project_ids = current_user_get_accessible_projects();
} else {
$t_project_ids = array( $t_project_id );
}
$t_subproject_ids = array();
foreach( $t_project_ids as $t_project_id ) {
$t_subproject_ids = array_merge( $t_subproject_ids, current_user_get_all_accessible_subprojects( $t_project_id ) );
}
$t_project_ids = array_merge( $t_project_ids, $t_subproject_ids );
$t_categories = array();
foreach( $t_project_ids as $t_id ) {
$t_categories = array_merge( $t_categories, category_get_all_rows( $t_id ) );
}
$t_unique = array();
foreach( $t_categories as $t_category ) {
if( !in_array( $t_category['name'], $t_unique ) ) {
$t_unique[] = $t_category['name'];
}
}
return $t_unique;
}
/**
* Return all categories for the specified project id.
*
* Obeys project hierarchies and such.
*
* @param int $p_project_id A Project identifier.
* @param bool $p_inherit Indicates whether to inherit categories from parent projects,
* or null to use configuration default.
* @param bool $p_sort_by_project Whether to sort by project.
* @param bool $p_active_only False to select all categories or True for just the active ones.
*
* @return array array of categories
* @access public
*/
function category_get_all_rows( $p_project_id, $p_inherit = null, $p_sort_by_project = false, $p_active_only = false ) {
global $g_category_cache, $g_cache_category_project;
if( isset( $g_cache_category_project[(int)$p_project_id] ) ) {
$t_categories = array();
if( !empty( $g_cache_category_project[(int)$p_project_id]) ) {
foreach( $g_cache_category_project[(int)$p_project_id] as $t_id ) {
$t_categories[] = category_get_row( $t_id );
}
if( $p_sort_by_project ) {
category_sort_rows_by_project( $p_project_id );
usort( $t_categories, 'category_sort_rows_by_project' );
# TODO: passing null may be a bug here
category_sort_rows_by_project( null );
}
}
return $t_categories;
}
$c_project_id = (int)$p_project_id;
if( $c_project_id == ALL_PROJECTS ) {
$t_inherit = false;
} else {
if( $p_inherit === null ) {
$t_inherit = config_get( 'subprojects_inherit_categories' );
} else {
$t_inherit = $p_inherit;
}
}
if( $t_inherit ) {
$t_project_ids = project_hierarchy_inheritance( $p_project_id );
$t_project_where = ' project_id IN ( ' . implode( ', ', $t_project_ids ) . ' ) ';
} else {
$t_project_where = ' project_id=' . $p_project_id . ' ';
}
if( $p_active_only ) {
$t_project_where .= ' and c.status = ' . CATEGORY_STATUS_DISABLED;
}
$t_query = 'SELECT c.*, p.name AS project_name FROM {category} c
LEFT JOIN {project} p
ON c.project_id=p.id
WHERE ' . $t_project_where . ' ORDER BY c.name';
$t_result = db_query( $t_query );
$t_rows = array();
while( $t_row = db_fetch_array( $t_result ) ) {
$t_rows[] = $t_row;
$g_category_cache[(int)$t_row['id']] = $t_row;
}
if( $p_sort_by_project ) {
category_sort_rows_by_project( $p_project_id );
usort( $t_rows, 'category_sort_rows_by_project' );
# TODO: passing null may be a bug here
category_sort_rows_by_project( null );
}
return $t_rows;
}
/**
* Cache an set of category ids
* @param array $p_cat_id_array Array of category identifiers.
* @return void
* @access public
*/
function category_cache_array_rows( array $p_cat_id_array ) {
global $g_category_cache;
$c_cat_id_array = array();
foreach( $p_cat_id_array as $t_cat_id ) {
if( !isset( $g_category_cache[(int)$t_cat_id] ) ) {
$c_cat_id_array[] = (int)$t_cat_id;
}
}
if( empty( $c_cat_id_array ) ) {
return;
}
$t_query = 'SELECT c.*, p.name AS project_name FROM {category} c
LEFT JOIN {project} p
ON c.project_id=p.id
WHERE c.id IN (' . implode( ',', $c_cat_id_array ) . ')';
$t_result = db_query( $t_query );
while( $t_row = db_fetch_array( $t_result ) ) {
$g_category_cache[(int)$t_row['id']] = $t_row;
}
}
/**
* Given a category id and a field name, this function returns the field value.
* An error will be triggered for a non-existent category id or category id = 0.
* @param integer $p_category_id A category identifier.
* @param string $p_field_name Field name.
* @return string field value
* @access public
*/
function category_get_field( $p_category_id, $p_field_name ) {
$t_row = category_get_row( $p_category_id );
return $t_row[$p_field_name];
}
/**
* Given a category id, this function returns the category name.
* An error will be triggered for a non-existent category id or category id = 0.
* @param integer $p_category_id A category identifier.
* @return string category name
* @access public
*/
function category_get_name( $p_category_id ) {
return category_get_field( $p_category_id, 'name' );
}
/**
* Given a category name and project, this function returns the category id.
* An error will be triggered if the specified project does not have a
* category with that name.
* @param string $p_category_name Category name to retrieve.
* @param integer $p_project_id A project identifier.
* @param boolean $p_trigger_errors Whether to trigger error on failure.
* @return boolean
* @access public
*/
function category_get_id_by_name( $p_category_name, $p_project_id, $p_trigger_errors = true ) {
$t_project_name = project_get_name( $p_project_id );
db_param_push();
$t_query = 'SELECT id FROM {category} WHERE name=' . db_param() . ' AND project_id=' . db_param();
$t_result = db_query( $t_query, array( $p_category_name, (int)$p_project_id ) );
$t_id = db_result( $t_result );
if( $t_id === false ) {
if( $p_trigger_errors ) {
error_parameters( $p_category_name, $t_project_name );
trigger_error( ERROR_CATEGORY_NOT_FOUND_FOR_PROJECT, ERROR );
} else {
return false;
}
}
return $t_id;
}
/**
* Retrieves category name (including project name if required)
* @param string $p_category_id Category identifier.
* @param boolean $p_show_project Show project details.
* @param integer $p_current_project Current project id override.
* @return string category full name
* @access public
*/
function category_full_name( $p_category_id, $p_show_project = true, $p_current_project = null ) {
if( 0 == $p_category_id ) {
# No Category
return lang_get( 'no_category' );
} else if( !category_exists( $p_category_id ) ) {
return '@' . $p_category_id . '@';
} else {
$t_row = category_get_row( $p_category_id );
$t_project_id = $t_row['project_id'];
$t_current_project = is_null( $p_current_project ) ? helper_get_current_project() : $p_current_project;
if( $p_show_project && $t_project_id != $t_current_project ) {
return '[' . project_get_name( $t_project_id ) . '] ' . $t_row['name'];
}
return $t_row['name'];
}
}
/**
* Check category can be deleted
* @param string $p_category_id Category identifier.
* @return boolean Return true if the category valid for delete, otherwise false
* @access public
*/
function category_can_delete( $p_category_id ) {
db_param_push();
$t_query = 'SELECT COUNT(id) FROM {bug} WHERE category_id=' . db_param();
$t_bug_count = db_result( db_query( $t_query, array( $p_category_id ) ) );
return $t_bug_count == 0;
}
/**
* Ensure category can be deleted, otherwise raise an error.
* @param string $p_category_id Category identifier.
* @return void
* @access public
*/
function category_ensure_can_delete( $p_category_id ) {
if( !category_can_delete( $p_category_id ) ) {
$t_category_name = category_get_name( $p_category_id );
error_parameters( $t_category_name );
trigger_error( ERROR_CATEGORY_CANNOT_DELETE_HAS_ISSUES, ERROR );
}
}