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<?php |
<?php |
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// $Id$ |
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/** |
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* @file |
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* An example use case for the import API written to import content from an |
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* existing Drupal installation. Pulls in one cck field. |
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* |
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* In lieu of a second data source we will be pulling from an internal test |
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* table. A common scenario for imports would involve a second database. |
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* Comments below illustrate where you would normally switch datasources. |
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*/ |
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/** |
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* Implementation of hook_import_stage() |
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* |
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*/ |
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function import_node_import_stage() { |
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// The import_node_staged variable is set to false during the installation of |
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// this module. |
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if (variable_get('import_node_staged', FALSE) == FALSE) { |
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// select all of the old ids we will be importing. If you were importing |
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// from an external datasource you would use db_set_active() to switch |
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// before running the select statement. |
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$sql = "SELECT id from {import_example_node}"; |
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$result = db_query($sql); |
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while ($content = db_fetch_object($result)) { |
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// create an array containing identifier and type both of which are used in |
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// this modules process hook. The type is an arbitrary identifer the |
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// developer can use to easily identify which type of data is referenced. |
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// The type chosen by the developer will get passed to this modules |
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// implementation of hook_import_process. |
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$attr = array(); |
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$attr['impid'] = $content->id; |
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$attr['type'] = 'node'; |
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// pass the array to the import_stage method |
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import_stage($attr); |
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} |
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// set this variable to true to eliminate restaging the data |
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variable_set('import_node_staged', TRUE); |
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} |
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} |
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/** |
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* Implementation hook_import_process() |
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*/ |
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function import_node_import_process($data) { |
function import_node_import_process($data) { |
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switch ($data->type) { |
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case 'node': |
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$new_node = _import_node_map_data($data); |
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node_save($new_node); |
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import_pass($data, 'Node Import passed'. print_r($node, TRUE)); |
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break; |
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} |
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} |
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/** |
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* Helper function to map the old data to a Drupal user object; |
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*/ |
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function _import_node_map_data($data) { |
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global $user; |
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// First we need to select the old record we are dealing with. Normally this |
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// would be done by using db_set_active() to switch datasources. |
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$sql_old_content = "SELECT id, headline, body, author FROM {import_example_node} WHERE id = %d"; |
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$old_content = db_fetch_object(db_query($sql_old_content, $data->impid)); |
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$node->uid = $user->uid; |
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$node->type = 'example_node'; |
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$node->status = 1; |
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$node->comment = 0; |
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$node->promote = 0; |
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$node->moderate = 0; |
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$node->sticky = 0; |
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$node->title = $old_content->headline; |
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$node->body = $old_content->body; |
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$node->field_original_author = array(0 => array('value' => $old_content->author)); |
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return $node; |
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} |
} |
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