| <?php |
<?php |
| |
|
| /* |
/* |
| * Copyright 2010,2011 Alexander Sadleir |
* Copyright 2010,2011 Alexander Sadleir |
| |
|
| Licensed under the Apache License, Version 2.0 (the "License"); |
Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
You may obtain a copy of the License at |
| |
|
| http://www.apache.org/licenses/LICENSE-2.0 |
http://www.apache.org/licenses/LICENSE-2.0 |
| |
|
| Unless required by applicable law or agreed to in writing, software |
Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
See the License for the specific language governing permissions and |
| limitations under the License. |
limitations under the License. |
| */ |
*/ |
| if (php_sapi_name() == "cli") { |
if (php_sapi_name() == "cli") { |
| include ('include/common.inc.php'); |
include ('include/common.inc.php'); |
| $conn = pg_connect("dbname=transitdata user=postgres password=snmc host=localhost") or die('connection failed'); |
|
| $pdconn = new PDO("pgsql:dbname=transitdata;user=postgres;password=snmc;host=localhost"); |
$pdconn = new PDO("pgsql:dbname=transitdata;user=postgres;password=snmc;host=localhost"); |
| |
|
| /* |
/* |
| delete from agency; |
delete from agency; |
| delete from calendar; |
delete from calendar; |
| delete from calendar_dates; |
delete from calendar_dates; |
| delete from routes; |
delete from routes; |
| delete from shapes; |
delete from shapes; |
| delete from stop_times; |
delete from stop_times; |
| delete from stops; |
delete from stops; |
| delete from trips; |
delete from trips; |
| */ |
*/ |
| |
|
| // Unzip cbrfeed.zip, import all csv files to database |
// Unzip cbrfeed.zip, import all csv files to database |
| $unzip = false; |
$unzip = false; |
| $zip = zip_open(dirname(__FILE__) . "/cbrfeed.zip"); |
$zip = zip_open(dirname(__FILE__) . "/cbrfeed.zip"); |
| $tmpdir = "c:/tmp/"; |
$tmpdir = "c:/tmp/cbrfeed/"; |
| mkdir($tmpdir); |
mkdir($tmpdir); |
| if ($unzip) { |
if ($unzip) { |
| if (is_resource($zip)) { |
if (is_resource($zip)) { |
| while ($zip_entry = zip_read($zip)) { |
while ($zip_entry = zip_read($zip)) { |
| $fp = fopen($tmpdir . zip_entry_name($zip_entry), "w"); |
$fp = fopen($tmpdir . zip_entry_name($zip_entry), "w"); |
| if (zip_entry_open($zip, $zip_entry, "r")) { |
if (zip_entry_open($zip, $zip_entry, "r")) { |
| echo "Extracting " . zip_entry_name($zip_entry) . "\n"; |
echo "Extracting " . zip_entry_name($zip_entry) . "\n"; |
| $buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry)); |
$buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry)); |
| fwrite($fp, "$buf"); |
fwrite($fp, "$buf"); |
| zip_entry_close($zip_entry); |
zip_entry_close($zip_entry); |
| fclose($fp); |
fclose($fp); |
| } |
} |
| } |
} |
| zip_close($zip); |
zip_close($zip); |
| } |
} |
| } |
} |
| |
|
| foreach (scandir($tmpdir) as $file) { |
foreach (scandir($tmpdir) as $file) { |
| |
$headers = Array(); |
| if (!strpos($file, ".txt") === false) { |
if (!strpos($file, ".txt") === false) { |
| $fieldseparator = ","; |
$fieldseparator = ","; |
| $lineseparator = "\n"; |
$lineseparator = "\n"; |
| $tablename = str_replace(".txt", "", $file); |
$tablename = str_replace(".txt", "", $file); |
| echo "Opening $file \n"; |
echo "Opening $file \n"; |
| $line = 0; |
$line = 0; |
| $handle = fopen($tmpdir . $file, "r"); |
$handle = fopen($tmpdir . $file, "r"); |
| if ($tablename == "stop_times") { |
|
| $stmt = $pdconn->prepare("insert into stop_times (trip_id,stop_id,stop_sequence,arrival_time,departure_time) values(:trip_id, :stop_id, :stop_sequence,:arrival_time,:departure_time);"); |
|
| $stmt->bindParam(':trip_id', $trip_id); |
|
| $stmt->bindParam(':stop_id', $stop_id); |
|
| $stmt->bindParam(':stop_sequence', $stop_sequence); |
|
| $stmt->bindParam(':arrival_time', $time); |
|
| $stmt->bindParam(':departure_time', $time); |
|
| } |
|
| |
|
| $distance = 0; |
$distance = 0; |
| $lastshape = 0; |
$lastshape = 0; |
| $lastlat = 0; |
$lastlat = 0; |
| $lastlon = 0; |
$lastlon = 0; |
| |
$stmt = null; |
| while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) { |
while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) { |
| if ($line == 0) { |
if ($line == 0) { |
| |
$headers = array_values($data); |
| } else { |
if ($tablename == "stops") { |
| $query = "insert into $tablename values("; |
$headers[] = "position"; |
| |
} |
| |
if ($tablename == "shapes") { |
| |
$headers[] = "shape_pt"; |
| |
} |
| |
$query = "insert into $tablename ("; |
| |
$valueCount = 0; |
| |
foreach ($headers as $value) { |
| |
$query.=($valueCount > 0 ? "," : "") . pg_escape_string($value); |
| |
$valueCount++; |
| |
} |
| |
$query.= ") values( "; |
| $valueCount = 0; |
$valueCount = 0; |
| foreach ($data as $value) { |
foreach ($data as $value) { |
| $query.=($valueCount > 0 ? "','" : "'") . pg_escape_string($value); |
$query.=($valueCount > 0 ? "," : "") . '?'; |
| $valueCount++; |
$valueCount++; |
| } |
} |
| |
if ($tablename == "stops") { |
| |
$query.= ", ST_GeographyFromText(?));"; |
| |
} else if ($tablename == "shapes") { |
| |
$query.= ", ST_GeographyFromText(?));"; |
| |
} else { |
| |
$query.= ");"; |
| |
} |
| |
|
| |
echo $query; |
| |
$stmt = $pdconn->prepare($query); |
| |
} else { |
| |
$values = array_values($data); |
| if ($tablename == "stops") { |
if ($tablename == "stops") { |
| $query.= "', ST_GeographyFromText('SRID=4326;POINT({$data[2]} {$data[0]})'));"; |
// Coordinate values are out of range [-180 -90, 180 90] |
| } else if ($tablename == "shapes") { |
$values[] = 'SRID=4326;POINT('.$values[5].' '.$values[4].')'; |
| |
} |
| |
if ($tablename == "shapes") { |
| if ($data[0] != $lastshape) { |
if ($data[0] != $lastshape) { |
| $distance = 0; |
$distance = 0; |
| $lastshape = $data[0]; |
$lastshape = $data[0]; |
| } else { |
} else { |
| $distance += distance($lastlat, $lastlon, $data[1], $data[2]); |
$distance += distance($lastlat, $lastlon, $data[1], $data[2]); |
| } |
} |
| $lastlat = $data[1]; |
$lastlat = $data[1]; |
| $lastlon = $data[2]; |
$lastlon = $data[2]; |
| $query.= "', $distance, ST_GeographyFromText('SRID=4326;POINT({$data[2]} {$data[1]})'));"; |
|
| } else { |
$values[4] = $distance; |
| $query.= "');"; |
$values[] = 'SRID=4326;POINT('.$values[2].' '.$values[1].')'; |
| } |
} |
| if ($tablename == "stop_times") { |
if (substr($values[1],0,2) == '24') $values[1] = "23:59:59"; |
| // $query = "insert into $tablename (trip_id,stop_id,stop_sequence) values('{$data[0]}','{$data[3]}','{$data[4]}');"; |
if (substr($values[2],0,2) == '24') $values[2] = "23:59:59"; |
| $trip_id = $data[0]; |
$stmt->execute($values); |
| $stop_id = $data[3]; |
$err = $pdconn->errorInfo(); |
| $stop_sequence = $data[4]; |
if ($err[2] != "" && strpos($err[2], "duplicate key") === false) { |
| $time = ($data[1] == "" ? null : $data[1]); |
print_r($values); |
| |
print_r($err); |
| |
die("terminated import due to db error above"); |
| } |
} |
| } |
|
| if ($tablename == "stop_times") { |
|
| $stmt->execute(); |
|
| } else { |
|
| $result = pg_query($conn, $query); |
|
| } |
} |
| $line++; |
$line++; |
| if ($line % 10000 == 0) |
if ($line % 10000 == 0) |
| echo "$line records... " . date('c') . "\n"; |
echo "$line records... " . date('c') . "\n"; |
| } |
} |
| fclose($handle); |
fclose($handle); |
| |
$stmt->closeCursor(); |
| echo "Found a total of $line records in $file.\n"; |
echo "Found a total of $line records in $file.\n"; |
| } |
} |
| } |
} |
| } |
} |
| ?> |
?> |
| |
|