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/usr/bin/horde-service-weather-metar-database is in php-horde-service-weather 2.5.3-1.

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#!/usr/bin/env php
<?php
/**
 * Script to create/recreate the metar database.
 *
 * For TCP connections:
 * Usage: horde-service-weather-metar-database
 *        --adapter=pdo_mysql
 *        [--host=db.example.com]
 *        [--username=user]
 *        [--password=secret]
 *        [--database=db]
 *        [--debug]
 *
 * For Unix sockets:
 *
  * Usage: horde-service-weather-metar-database
 *        --adapter=pdo_mysql
 *        [--protocol=unix]
 *        [--socket=/path/to/mysql/mysqld.sock]
 *        [--username=user]
 *        [--password=secret]
 *        [--database=db]
 *        [--debug]
 *
 * Copyright 2016 Horde LLC (http://www.horde.org/)
 *
 * See the enclosed file COPYING for license information (BSD). If you did
 * not receive this file, see http://www.horde.org/licenses/bsd
 *
 * @author Michael J Rubinsky <mrubinsk@horde.org>
 */

require_once 'Horde/Autoloader/Default.php';

/**
 * Ensure we can get the data file.
 *
 */
function _checkForMetarData()
{
    // First see if we have a local copy in the same directory.
    $file_name = __DIR__ . DIRECTORY_SEPARATOR . 'airport-codes.csv';
    $file_location = 'https://raw.githubusercontent.com/datasets/airport-codes/master/data/airport-codes.csv';
    if (file_exists($file_name)) {
        return file($file_name);
    }
    return file($file_location);
}

/**
 * Drop the horde_metar_airports table.
 *
 */
function _down($db)
{
    $tableList = $db->tables();
    if (in_array('horde_metar_airports', $tableList)) {
        $db->dropTable('horde_metar_airports');
    }
}

/**
 * Create table
 *
 */
function _createTable($db, $cli)
{
    // Create table
    try {
        $t = $db->createTable('horde_metar_airports', array('autoincrementKey' => array('id')));
    } catch (Horde_Db_Exception $e) {
        $cli->fatal($e->getMessage());
    }
    $t->column('id', 'integer');
    $t->column('icao', 'string', array('limit' => 4));
    $t->column('name', 'string', array('limit' => 80));
    $t->column('state', 'string', array('limit' => 4));
    $t->column('country', 'string', array('limit' => 50));
    $t->column('municipality', 'string', array('limit' => 80));
    $t->column('latitude', 'float', array('default' => 0));
    $t->column('longitude', 'float', array('default' => 0));
    $t->column('elevation', 'float', array('default' => 0));
    $t->end();
}

/**
 * Parse metar data into database. Each row has the following fields:
 *
 * ident
 * type
 * name
 * latitude_deg
 * longitude_deg
 * elevation_ft
 * continent
 * iso_country
 * iso_region
 * municipality
 * gps_code
 * iata_code
 * local_code
 */
function _parse($db, $cli, $metar_rows)
{
    // Parse data
    $line = 0;
    $insert = 'INSERT INTO horde_metar_airports '
        . '(id, icao, name, state, country, municipality, latitude,'
        . 'longitude, elevation) '
        . 'VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?)';

    // Using array_map('str_getcsv', file($file_location)) leads to memory
    // exhaustion on my dev boxes, so iterate to be safe.
    for ($i = 1; $i <= count($metar_rows) - 1; $i++) {

        // Get csv fields.
        $fields = str_getcsv(trim($metar_rows[$i]));

        // Comment or some other broken row.
        if (sizeof($fields) < 13) {
            continue;
        }

        // Build param array
        $data = array(
            $line,
            $fields[0],
            $fields[2],
            str_replace($fields[7] . '-', '', $fields[8]),
            $fields[7],
            $fields[9],
            !empty($fields[3]) ? round($fields[3], 4) : 0,
            !empty($fields[4]) ? round($fields[4], 4) : 0,
            !empty($fields[5]) ? $fields[5] : 0
        );

        // Only add lines that have a valid ICAO identifier. The dataset
        // seems to have a number of entries with broken identifiers. E.g.,
        // Corydon airport.
        if (strlen(trim($data[1])) > 4) {
            continue;
        }

        // Insert
        try {
            $db->insert($insert, $data);
            $line++;
        } catch (Horde_Db_Exception $e) {
            $cli->message('ERROR: ' . $e->getMessage(), 'cli.error');
            $cli->message('SQL: ' . $insert . ' with the following data: ' . print_r($data, true), 'cli.error');
        }
    }

    return $i;
}

// Init Cli
$cli = new Horde_Cli();
if (!$cli->runningFromCLI()) {
    $cli->fatal('Must be run from the command line.');
}
$cli->init();

// Setup the Argv Parser.
$parser = new Horde_Argv_Parser(
    array(
        'usage' =>  "%prog\n\t--adapter=phptype\n\t[--host=db.example.com]\n\t[--socket=/path/to/mysqld.sock]\n\t[--username=username]\n\t[--password=secret]\n\t[--database=dbname]\n\t[--debug]",
        'optionList' => array(
            new Horde_Argv_Option('-a', '--adapter', array(
                'action' => 'store',
                'help' => 'Type of database adapter to use E.g., pdo_mysql',
                'dest' => 'adapter'
            )),
            new Horde_Argv_Option('', '--host', array(
                'action' => 'store',
                'help' => 'Database host, if using TCP connections',
                'dest' => 'host'
            )),
            new Horde_Argv_Option('-s', '--socket', array(
                'action' => 'store',
                'help' => 'Location of unix socket',
                'dest' => 'socket'
            )),
            new Horde_Argv_Option('-u', '--username', array(
                'action' => 'store',
                'help' => 'Username to connect to database with',
                'dest' => 'username'
            )),
            new Horde_Argv_Option('-p', '--password', array(
                'action' => 'store',
                'help' => 'Password',
                'dest' => 'password'
            )),
            new Horde_Argv_Option('-d', '--database', array(
                'action' => 'store',
                'help' => 'Database name to connect to',
                'dest' => 'database',
                'default' => 'horde'
            )),
            new Horde_Argv_Option('', '--debug', array(
                'action' => 'store_true',
                'help' => 'Enable debug output from database',
                'dest' => 'debug'
            )),
        )
    )
);
list($params, $argv) = $parser->parseArgs();

// Sanity check parameters.
if (empty($params['adapter'])) {
    $cli->message(
        'The --adapter parameter is required.',
        'cli.error'
    );
    $parser->printHelp();
    exit;
}
if (empty($params['host']) && empty($params['socket'])) {
    $cli->message(
        'You must provide either a --host or --socket parameter.',
        'cli.error'
    );
    $parser->printHelp();
    exit;
}

// $params is a Horde_Argv_Values object, db object needs array.
$params = (array)$params;
if (!empty($params['socket'])) {
    $params['protocol'] = 'unix';
    unset($params['host']);
} else {
    unset($params['socket']);
}

// Build Horde_Db adapter.
$class = 'Horde_Db_Adapter_' . str_replace(' ', '_', Horde_String::ucwords(str_replace('_', ' ', basename($params['adapter']))));
if (!class_exists($class)) {
    $cli->fatal($params['adapter'] . 'is not a valid adapter name.');
}
unset($params['adapter']);

try {
    $db = new $class($params);
} catch (Exception $e) {
    $cli->fatal($e->getMessage());
}

// Setup any logging.
if (!empty($params['debug'])) {
    $logger = new Horde_Log_Logger(new Horde_Log_Handler_Stream(STDOUT));
    $db->setLogger($logger);
}
$logger = new Horde_Log_Logger(
    new Horde_Log_Handler_Stream(
        STDOUT,
        null,
        new Horde_Log_Formatter_Simple('%message%' . PHP_EOL)
    )
);

// Start building.
$cli->message('Creating METAR database.', 'cli.message');
$metar_rows = _checkForMetarData();
if (empty($metar_rows)) {
    $cli->message('Unable to locate METAR data.', 'cli.error');
    exit;
}

// Drop any current data in case we are regenerating/updating.
_down($db);

// Create the table
_createTable($db, $cli);

// Parse data and add to datebase.
$cnt = _parse($db, $cli, $metar_rows);

// Done!
$cli->message(sprintf('Added %d airport identifiers to the database.', $cnt), 'cli.success');