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<?php |
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// Unzip cbrfeed.zip, import all csv files to database |
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$zip = zip_open(dirname(__FILE__) . "/cbrfeed.zip"); |
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$tmpdir = "/tmp/cbrfeed/"; |
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mkdir($tmpdir); |
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/*if (is_resource($zip)) { |
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while ($zip_entry = zip_read($zip)) { |
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$fp = fopen($tmpdir . zip_entry_name($zip_entry) , "w"); |
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if (zip_entry_open($zip, $zip_entry, "r")) { |
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echo "Extracting " . zip_entry_name($zip_entry) . "\n"; |
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$buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry)); |
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fwrite($fp, "$buf"); |
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zip_entry_close($zip_entry); |
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fclose($fp); |
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} |
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} |
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zip_close($zip); |
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}*/ |
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$conn = pg_connect("dbname=transitdata user=postgres password=snmc"); |
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if (!$conn) { |
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echo "An error occured.\n"; |
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exit; |
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} |
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foreach (scandir($tmpdir) as $file) { |
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if (!strpos($file, ".txt") === false) { |
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$fieldseparator = ","; |
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$lineseparator = "\n"; |
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$tablename = str_replace(".txt", "", $file); |
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echo "Opening $file \n"; |
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$line = 0; |
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$handle = fopen($tmpdir . $file, "r"); |
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while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) { |
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if ($line > 0) { |
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$query = "insert into $tablename values("; |
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$valueCount = 0; |
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foreach ($data as $value) { |
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$query.=($valueCount >0 ? "','" :"'").pg_escape_string($value); |
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$valueCount++; |
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} |
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if ($tablename == "stops") { |
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$query.= "', ST_GeographyFromText('SRID=4326;POINT({$data[2]} {$data[0]})'));"; |
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} else { |
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$query.= "');"; |
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} |
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if ($tablename =="stop_times" && $data[1] == "") { |
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$query = "insert into $tablename (trip_id,stop_id,stop_sequence) values('{$data[0]}','{$data[3]}','{$data[4]}');"; |
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} |
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} |
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$result = pg_query($conn, $query); |
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$line++; |
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if ($line % 10000 == 0) echo "$line records... \n"; |
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} |
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fclose($handle); |
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echo "Found a total of $line records in $file.\n"; |
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} |
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} |
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?> |
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