1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | <?php include ('include/common.inc.php'); //$conn = pg_connect("dbname=transitdata user=postgres password=snmc host=localhost") or die('connection failed'); // Unzip cbrfeed.zip, import all csv files to database $unzip = false; $zip = zip_open(dirname(__FILE__) . "/cbrfeed.zip"); $tmpdir = "/tmp/cbrfeed/"; mkdir($tmpdir); if ($unzip) { if (is_resource($zip)) { while ($zip_entry = zip_read($zip)) { $fp = fopen($tmpdir . zip_entry_name($zip_entry) , "w"); if (zip_entry_open($zip, $zip_entry, "r")) { echo "Extracting " . zip_entry_name($zip_entry) . "\n"; $buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry)); fwrite($fp, "$buf"); zip_entry_close($zip_entry); fclose($fp); } } zip_close($zip); } } foreach (scandir($tmpdir) as $file) { if (!strpos($file, ".txt") === false) { $fieldseparator = ","; $lineseparator = "\n"; $tablename = str_replace(".txt", "", $file); echo "Opening $tmpdir . $file \n"; $line = 0; $handle = fopen($tmpdir . $file, "r"); $stmt = null; $stmt_noarrival = $conn->prepare("insert into stop_times (trip_id,stop_id,stop_sequence) values(? ? ?);"); while (($columns = fgetcsv($handle, 1000, ",")) !== FALSE) { if ($line == 0) { $query = "insert into $tablename values("; $valueCount = 0; foreach ($columns as $value) { $query.= ($valueCount >0 ? "," :"")." ? "; $valueCount++; } if ($tablename == "stops") { $query.= ", ST_GeographyFromText('SRID=4326;POINT(? ?)'));"; } else { $query.= ");"; } $stmt = $conn->prepare($query); } else { $data = $columns; if ($tablename == "stops") { $data[] = $data[2]; $data[] = $data[0]; } if ($tablename == "stop_times" && $data[1] == "") { $stmt_noarrival->execute(Array( $data[0], $data[3], $data[4] )); } else { $stmt->execute($data); } } $line++; if ($line % 10000 == 0) echo "$line records... \n"; } fclose($handle); echo "Found a total of $line records in $file.\n"; } } ?> |