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<?php
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/**
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* @file
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* Install, update and uninstall functions for the trigger module.
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*/
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/**
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* Implements hook_schema().
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*/
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function trigger_schema() {
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// The total index length (hook and aid) must be less than 333. Since the aid
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// field is 255 characters, the hook field can have a maximum length of 78.
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$schema['trigger_assignments'] = array(
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'description' => 'Maps trigger to hook and operation assignments from trigger.module.',
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'fields' => array(
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'hook' => array(
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'type' => 'varchar',
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'length' => 78,
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'not null' => TRUE,
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'default' => '',
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'description' => 'Primary Key: The name of the internal Drupal hook; for example, node_insert.',
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),
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'aid' => array(
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'type' => 'varchar',
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'length' => 255,
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'not null' => TRUE,
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'default' => '',
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'description' => "Primary Key: Action's {actions}.aid.",
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),
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'weight' => array(
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'type' => 'int',
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'not null' => TRUE,
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'default' => 0,
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'description' => 'The weight of the trigger assignment in relation to other triggers.',
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),
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),
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'primary key' => array('hook', 'aid'),
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'foreign keys' => array(
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'action' => array(
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'table' => 'actions',
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'columns' => array('aid' => 'aid'),
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),
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),
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);
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return $schema;
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}
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/**
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* Implements hook_install().
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*/
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function trigger_install() {
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// Do initial synchronization of actions in code and the database.
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actions_synchronize();
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}
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/**
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* Alter the "hook" field and drop the "op field" of {trigger_assignments}.
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*
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* Increase the length of the "hook" field to 78 characters and adds operation
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* names to the hook names, and drops the "op" field.
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*/
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function trigger_update_7000() {
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db_drop_primary_key('trigger_assignments');
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db_change_field('trigger_assignments', 'hook', 'hook', array('type' => 'varchar', 'length' => 78, 'not null' => TRUE, 'default' => '', 'description' => 'Primary Key: The name of the internal Drupal hook; for example, node_insert.'));
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$result = db_query("SELECT hook, op, aid FROM {trigger_assignments} WHERE op <> ''");
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foreach ($result as $record) {
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db_update('trigger_assignments')
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->fields(array('hook' => $record->hook . '_' . $record->op))
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->condition('hook', $record->hook)
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->condition('op', $record->op)
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->condition('aid', $record->aid)
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->execute();
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}
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db_drop_field('trigger_assignments', 'op');
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db_add_primary_key('trigger_assignments', array('hook', 'aid'));
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}
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/**
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* @addtogroup updates-7.x-extra
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* @{
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*/
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/**
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* Increase the length of the "hook" field to 78 characters.
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*
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* This is a separate function for those who ran an older version of
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* trigger_update_7000() that did not do this.
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*/
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function trigger_update_7001() {
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db_drop_primary_key('trigger_assignments');
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db_change_field('trigger_assignments', 'hook', 'hook', array('type' => 'varchar', 'length' => 78, 'not null' => TRUE, 'default' => '', 'description' => 'Primary Key: The name of the internal Drupal hook; for example, node_insert.', ), array('primary key' => array('hook', 'aid')));
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}
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/**
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* Renames nodeapi to node.
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*/
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function trigger_update_7002() {
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$result = db_query("SELECT hook, aid FROM {trigger_assignments}");
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foreach($result as $record) {
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$new_hook = str_replace('nodeapi', 'node', $record->hook);
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db_update('trigger_assignments')
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->fields(array('hook' => $new_hook))
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->condition('hook', $record->hook)
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->condition('aid', $record->aid)
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->execute();
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}
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}
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/**
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* @} End of "addtogroup updates-7.x-extra".
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*/
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