context.install in Context 6

File

context.install

<?php

/**
 * Implementation of hook_install().
 */
function context_install() {
  drupal_install_schema('context');
}

/**
 * Implementation of hook_uninstall().
 */
function context_uninstall() {
  drupal_uninstall_schema('context');
}

/**
 * Implementation of hook_schema().
 */
function context_schema() {
  $schema['context'] = array(
    'description' => t('Storage for normal (user-defined) contexts.'),
    'fields' => array(
      'cid' => array(
        'description' => t('The primary identifier for a context.'),
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'namespace' => array(
        'description' => t('The namespace for a context.'),
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => '',
      ),
      'attribute' => array(
        'description' => t('The attribute for a context.'),
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => '',
      ),
      'value' => array(
        'description' => t('The value for a context.'),
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => '',
      ),
      'data' => array(
        'description' => t('Serialized storage of all associated context items.'),
        'type' => 'text',
        'size' => 'big',
      ),
    ),
    'unique keys' => array(
      'key1' => array(
        'namespace',
        'attribute',
        'value',
      ),
    ),
    'primary key' => array(
      'cid',
    ),
  );
  return $schema;
}

/**
 * Update script for context that installs the context schema and migrates
 * any existing context data from deprecated context_ui tables.
 */
function context_update_6001() {
  $ret = array();
  if (!db_table_exists('context')) {
    drupal_install_schema('context');
  }
  if (db_table_exists('context_ui')) {

    // Clear the schema cache and rebuild
    drupal_get_schema(NULL, TRUE);

    // Migrate existing contexts to context table
    $result = db_query("SELECT * FROM {context_ui}");
    while ($context = db_fetch_object($result)) {

      // Load setters
      $setter_result = db_query("SELECT * FROM {context_ui_setter} WHERE cid = %d", $context->cid);
      while ($row = db_fetch_object($setter_result)) {
        $context->{$row->type}[$row->id] = $row->id;
      }

      // Load getters
      $getter_result = db_query("SELECT * FROM {context_ui_getter} WHERE cid = %d", $context->cid);
      while ($row = db_fetch_object($getter_result)) {
        $context->{$row->type} = unserialize($row->data);
      }

      // Load blocks
      $block_result = db_query("SELECT module, delta, region, weight FROM {context_ui_block} WHERE cid = %d", $context->cid);
      while ($block = db_fetch_object($block_result)) {
        if (!isset($context->block)) {
          $context->block = array();
        }
        $block->bid = $block->module . "_" . $block->delta;
        $context->block[$block->bid] = $block;
      }

      // Clear out identifier
      unset($context->cid);
      context_save_context($context);
    }
  }
  return $ret;
}

Functions

Name	Description
context_install	Implementation of hook_install().
context_schema	Implementation of hook_schema().
context_uninstall	Implementation of hook_uninstall().
context_update_6001	Update script for context that installs the context schema and migrates any existing context data from deprecated context_ui tables.