danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  * Install, update and uninstall functions for the poll module.
danielebarchiesi@0:  */
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Implements hook_schema().
danielebarchiesi@0:  */
danielebarchiesi@0: function poll_schema() {
danielebarchiesi@0:   $schema['poll'] = array(
danielebarchiesi@0:     'description' => 'Stores poll-specific information for poll nodes.',
danielebarchiesi@0:     'fields' => array(
danielebarchiesi@0:       'nid' => array(
danielebarchiesi@0:         'type' => 'int',
danielebarchiesi@0:         'unsigned' => TRUE,
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'default' => 0,
danielebarchiesi@0:         'description' => "The poll's {node}.nid.",
danielebarchiesi@0:       ),
danielebarchiesi@0:       'runtime' => array(
danielebarchiesi@0:         'type' => 'int',
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'default' => 0,
danielebarchiesi@0:         'description' => 'The number of seconds past {node}.created during which the poll is open.',
danielebarchiesi@0:       ),
danielebarchiesi@0:       'active' => array(
danielebarchiesi@0:         'type' => 'int',
danielebarchiesi@0:         'unsigned' => TRUE,
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'default' => 0,
danielebarchiesi@0:         'description' => 'Boolean indicating whether or not the poll is open.',
danielebarchiesi@0:       ),
danielebarchiesi@0:     ),
danielebarchiesi@0:     'primary key' => array('nid'),
danielebarchiesi@0:     'foreign keys' => array(
danielebarchiesi@0:       'poll_node' => array(
danielebarchiesi@0:         'table' => 'node',
danielebarchiesi@0:         'columns' => array('nid' => 'nid'),
danielebarchiesi@0:       ),
danielebarchiesi@0:     ),
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   $schema['poll_choice'] = array(
danielebarchiesi@0:     'description' => 'Stores information about all choices for all {poll}s.',
danielebarchiesi@0:     'fields' => array(
danielebarchiesi@0:       'chid' => array(
danielebarchiesi@0:         'type' => 'serial',
danielebarchiesi@0:         'unsigned' => TRUE,
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'description' => 'Unique identifier for a poll choice.',
danielebarchiesi@0:       ),
danielebarchiesi@0:       'nid' => array(
danielebarchiesi@0:         'type' => 'int',
danielebarchiesi@0:         'unsigned' => TRUE,
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'default' => 0,
danielebarchiesi@0:         'description' => 'The {node}.nid this choice belongs to.',
danielebarchiesi@0:       ),
danielebarchiesi@0:       'chtext' => array(
danielebarchiesi@0:         'type' => 'varchar',
danielebarchiesi@0:         'length' => 128,
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'default' => '',
danielebarchiesi@0:         'description' => 'The text for this choice.',
danielebarchiesi@0:         'translatable' => TRUE,
danielebarchiesi@0:       ),
danielebarchiesi@0:       'chvotes' => array(
danielebarchiesi@0:         'type' => 'int',
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'default' => 0,
danielebarchiesi@0:         'description' => 'The total number of votes this choice has received by all users.',
danielebarchiesi@0:       ),
danielebarchiesi@0:       'weight' => array(
danielebarchiesi@0:         'type' => 'int',
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'default' => 0,
danielebarchiesi@0:         'description' => 'The sort order of this choice among all choices for the same node.',
danielebarchiesi@0:       ),
danielebarchiesi@0:     ),
danielebarchiesi@0:     'indexes' => array(
danielebarchiesi@0:       'nid' => array('nid'),
danielebarchiesi@0:     ),
danielebarchiesi@0:     'primary key' => array('chid'),
danielebarchiesi@0:     'foreign keys' => array(
danielebarchiesi@0:       'choice_node' => array(
danielebarchiesi@0:         'table' => 'node',
danielebarchiesi@0:         'columns' => array('nid' => 'nid'),
danielebarchiesi@0:       ),
danielebarchiesi@0:     ),
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   $schema['poll_vote'] = array(
danielebarchiesi@0:     'description' => 'Stores per-{users} votes for each {poll}.',
danielebarchiesi@0:     'fields' => array(
danielebarchiesi@0:       'chid' => array(
danielebarchiesi@0:         'type' => 'int',
danielebarchiesi@0:         'unsigned' => TRUE,
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'description' => "The {users}'s vote for this poll.",
danielebarchiesi@0:       ),
danielebarchiesi@0:       'nid' => array(
danielebarchiesi@0:         'type' => 'int',
danielebarchiesi@0:         'unsigned' => TRUE,
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'description' => 'The {poll} node this vote is for.',
danielebarchiesi@0:       ),
danielebarchiesi@0:       'uid' => array(
danielebarchiesi@0:         'type' => 'int',
danielebarchiesi@0:         'unsigned' => TRUE,
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'default' => 0,
danielebarchiesi@0:         'description' => 'The {users}.uid this vote is from unless the voter was anonymous.',
danielebarchiesi@0:       ),
danielebarchiesi@0:       'hostname' => array(
danielebarchiesi@0:         'type' => 'varchar',
danielebarchiesi@0:         'length' => 128,
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'default' => '',
danielebarchiesi@0:         'description' => 'The IP address this vote is from unless the voter was logged in.',
danielebarchiesi@0:       ),
danielebarchiesi@0:       'timestamp' => array(
danielebarchiesi@0:         'type' => 'int',
danielebarchiesi@0:         'not null' => TRUE,
danielebarchiesi@0:         'default' => 0,
danielebarchiesi@0:         'description' => 'The timestamp of the vote creation.',
danielebarchiesi@0:       ),
danielebarchiesi@0:     ),
danielebarchiesi@0:     'primary key' => array('nid', 'uid', 'hostname'),
danielebarchiesi@0:     'foreign keys' => array(
danielebarchiesi@0:       'poll_node' => array(
danielebarchiesi@0:         'table' => 'node',
danielebarchiesi@0:         'columns' => array('nid' => 'nid'),
danielebarchiesi@0:       ),
danielebarchiesi@0:       'voter' => array(
danielebarchiesi@0:         'table' => 'users',
danielebarchiesi@0:         'columns' => array('uid' => 'uid'),
danielebarchiesi@0:       ),
danielebarchiesi@0:     ),
danielebarchiesi@0:     'indexes' => array(
danielebarchiesi@0:       'chid'     => array('chid'),
danielebarchiesi@0:       'hostname' => array('hostname'),
danielebarchiesi@0:       'uid' => array('uid'),
danielebarchiesi@0:     ),
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   return $schema;
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Use the poll_choice primary key to record votes in poll_votes rather than
danielebarchiesi@0:  * the choice order. Rename chorder to weight.
danielebarchiesi@0:  *
danielebarchiesi@0:  * Rename {poll_choices} table to {poll_choice} and {poll_votes} to {poll_vote}.
danielebarchiesi@0:  */
danielebarchiesi@0: function poll_update_7001() {
danielebarchiesi@0:   // Add chid column and convert existing votes.
danielebarchiesi@0:   db_add_field('poll_votes', 'chid', array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0));
danielebarchiesi@0:   db_add_index('poll_votes', 'chid', array('chid'));
danielebarchiesi@0:   db_update('poll_votes')
danielebarchiesi@0:     ->expression('chid', Database::getConnection()->prefixTables('COALESCE((SELECT chid FROM {poll_choices} c WHERE {poll_votes}.chorder = c.chorder AND {poll_votes}.nid = c.nid), 0)'))
danielebarchiesi@0:     ->execute();
danielebarchiesi@0:   // Delete invalid votes.
danielebarchiesi@0:   db_delete('poll_votes')->condition('chid', 0)->execute();
danielebarchiesi@0:   // Remove old chorder column.
danielebarchiesi@0:   db_drop_field('poll_votes', 'chorder');
danielebarchiesi@0: 
danielebarchiesi@0:   // Change the chorder column to weight in poll_choices.
danielebarchiesi@0:   db_change_field('poll_choices', 'chorder', 'weight', array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'tiny'));
danielebarchiesi@0: 
danielebarchiesi@0:   db_rename_table('poll_votes', 'poll_vote');
danielebarchiesi@0:   db_rename_table('poll_choices', 'poll_choice');
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Add timestamp field to {poll_vote}.
danielebarchiesi@0:  */
danielebarchiesi@0: function poll_update_7002() {
danielebarchiesi@0:   $field = array(
danielebarchiesi@0:     'type' => 'int',
danielebarchiesi@0:     'not null' => TRUE,
danielebarchiesi@0:     'default' => 0,
danielebarchiesi@0:   );
danielebarchiesi@0:   db_add_field('poll_vote', 'timestamp', $field);
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Change the weight column to normal int.
danielebarchiesi@0:  */
danielebarchiesi@0: function poll_update_7003() {
danielebarchiesi@0:   db_change_field('poll_choice', 'weight', 'weight', array(
danielebarchiesi@0:     'type' => 'int',
danielebarchiesi@0:     'not null' => TRUE,
danielebarchiesi@0:     'default' => 0,
danielebarchiesi@0:     'description' => 'The sort order of this choice among all choices for the same node.',
danielebarchiesi@0:   ));
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @addtogroup updates-7.x-extra
danielebarchiesi@0:  * @{
danielebarchiesi@0:  */
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Update the database to match the schema.
danielebarchiesi@0:  */
danielebarchiesi@0: function poll_update_7004() {
danielebarchiesi@0:   // Remove field default.
danielebarchiesi@0:   db_change_field('poll_vote', 'chid', 'chid', array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE));
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @} End of "addtogroup updates-7.x-extra".
danielebarchiesi@0:  */