gnu-social/bin/generate_entity_diagrams

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#!/usr/bin/env php
<?php
define('INSTALL_DIR', dirname(__DIR__));
require INSTALL_DIR . '/vendor/autoload.php';
use App\Util\Formatting;
use App\Util\HTML as H;
use Functional as F;
$template = '
graph database {
%tables%
%edges%
}
';
$files = glob(INSTALL_DIR . '/src/Entity/*.php');
$tables = [];
$edges = [];
$classes = [];
foreach ($files as $file) {
require_once $file;
$class = '';
$declared = get_declared_classes();
foreach ($declared as $dc) {
if (preg_match('/^(App|(Component|Plugin)\\\\[^\\\\]+)\\\\Entity/', $dc) && !in_array($dc, $classes)) {
$class = $dc;
$classes[] = $class;
break;
}
}
$schema = $class::schemaDef();
$table = preg_replace(',`?([^`]+)`?,', '$1', $schema['name']);
$fields = [['name' => $table, 'type' => '']];
foreach ($schema['fields'] as $name => $opts) {
$fields[] = [
'name' => $name,
'type' => ": {$opts['type']}" . ($opts['type'] == 'varchar' ? "({$opts['length']})" : ''),
];
}
foreach ($schema['fields'] as $field => $opts) {
if (isset($opts['foreign key'])) {
[$foreign_entity, $foreign_key] = explode('.', $opts['target']);
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$foreign_table = Formatting::camelCaseToSnakeCase(preg_replace('/Actor/', 'actor', $foreign_entity));
$edges[] = "{$table}:{$field} -- {$foreign_table}:{$foreign_key}";
}
}
$cell = function ($field) {
$def = $field['name'] . $field['type'];
return ['tr' => ['td' => ['attrs' => ['port' => $field['name']], $def]]];
};
$html = ['table' => array_merge(
['attrs' => ['border' => '0', 'cellborder' => '1', 'cellspacing' => '0']],
F\map($fields, $cell)),
];
$tables[] = Formatting::indent("{$table} [shape=none, label=<\n" . Formatting::indent(H::html($html)) . "\n>]");
}
$replace = [
'/%tables%/' => Formatting::indent(implode("\n", $tables)),
'/%edges%/' => Formatting::indent(implode("\n", $edges)),
// '/_/' => '\textunderscore ',
];
$out = $template;
foreach ($replace as $from => $to) {
$out = preg_replace($from, $to, $out);
}
$path = dirname(__DIR__) . '/docs/developer/src/database';
$outfile = $path . '/database.dot';
file_put_contents($outfile, $out);
system("neato -Goverlap=false -Gsplines=true -Tpdf {$path}/database.dot -o {$path}/database.pdf");
echo "Generated database diagram. See {$path}/database.pdf\n";