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getpgdata: замена Flask на Node.js (Express + pg) приложение для доступа к PostgreSQL

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naeel
2026-08-18 18:14:33 +04:00
parent 5c5e11c5a8
commit b061dcd774
16 changed files with 1379 additions and 439 deletions
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views/error.ejs
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<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Ошибка <%= code %></title>
<link rel="stylesheet" href="/public/style.css">
</head>
<body>
<header><h1>Ошибка <%= code %></h1></header>
<main>
<p class="error"><%= message %></p>
<p><a href="/">← На главную</a></p>
</main>
</body>
</html>
views/index.ejs
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<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>PostgreSQL Access</title>
<link rel="stylesheet" href="/public/style.css">
</head>
<body>
<header>
<h1>PostgreSQL Access</h1>
<nav>
<a href="/">Главная</a>
<a href="/query">SQL-консоль</a>
</nav>
<% if (env === 'test') { %><span class="badge test">TEST</span><% } %>
</header>
<main>
<section class="card">
<h2>Подключение</h2>
<table class="kv">
<tr><th>Host</th><td><%= cfg.host %></td></tr>
<tr><th>Port</th><td><%= cfg.port %></td></tr>
<tr><th>Database</th><td><%= cfg.database %></td></tr>
<tr><th>User</th><td><%= cfg.user %></td></tr>
</table>
<% if (error) { %>
<p class="error"><%= error %></p>
<% } else { %>
<p class="ok">✓ Подключение активно</p>
<% } %>
</section>
<% if (tables && !error) { %>
<section class="card">
<h2>Таблицы (<%= tables.length %>)</h2>
<% if (tables.length) { %>
<table>
<thead>
<tr><th>Схема</th><th>Таблица</th><th></th></tr>
</thead>
<tbody>
<% tables.forEach(function (t) { %>
<tr>
<td><%= t.schemaname %></td>
<td><%= t.tablename %></td>
<td><a href="/table?schema=<%= t.schemaname %>&name=<%= t.tablename %>">открыть</a></td>
</tr>
<% }); %>
</tbody>
</table>
<% } else { %>
<p>Доступных таблиц нет.</p>
<% } %>
</section>
<% } %>
</main>
</body>
</html>
views/query.ejs
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<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>SQL-консоль</title>
<link rel="stylesheet" href="/public/style.css">
</head>
<body>
<header>
<h1>SQL-консоль (read-only)</h1>
<nav>
<a href="/">Главная</a>
<a href="/query">SQL-консоль</a>
</nav>
</header>
<main>
<section class="card">
<form method="post" action="/query">
<textarea name="sql" rows="8" placeholder="SELECT * FROM public.contracts LIMIT 100;"><%= sql %></textarea>
<button type="submit">Выполнить</button>
<p class="hint">Только SELECT. Обрезается до <%= QUERY_MAX_ROWS || 200 %> строк.</p>
</form>
</section>
<% if (error) { %>
<p class="error"><%= error %></p>
<% } %>
<% if (columns && !error) { %>
<section class="card">
<h2>Результат <% if (elapsed !== null) { %>(<%= elapsed %> c)<% } %></h2>
<% if (columns.length) { %>
<div class="table-wrap">
<table>
<thead>
<tr><% columns.forEach(function (c) { %><th><%= c %></th><% }); %></tr>
</thead>
<tbody>
<% rows.forEach(function (r) { %>
<tr>
<% columns.forEach(function (c) { %>
<td>
<% if (r[c] === null) { %><span class="null">NULL</span>
<% } else if (typeof r[c] === 'boolean') { %><%= r[c] ? 'true' : 'false' %>
<% } else if (r[c] instanceof Date) { %><%= r[c].toISOString() %>
<% } else { %><%= r[c] %><% } %>
</td>
<% }); %>
</tr>
<% }); %>
</tbody>
</table>
</div>
<p class="hint">Строк: <%= rows.length %></p>
<% } else { %>
<p>Запрос выполнен без набора строк.</p>
<% } %>
</section>
<% } %>
</main>
</body>
</html>
views/table.ejs
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<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Таблица — <%= schema %>.<%= name %></title>
<link rel="stylesheet" href="/public/style.css">
</head>
<body>
<header>
<h1>Таблица: <%= schema %>.<%= name %></h1>
<nav>
<a href="/">Главная</a>
<a href="/query">SQL-консоль</a>
</nav>
</header>
<main>
<% if (error) { %>
<p class="error"><%= error %></p>
<% } else { %>
<p>Строк всего: <strong><%= count %></strong>. Показано: <%= rows.length %> (стр. <%= page %>).</p>
<% if (columns && columns.length) { %>
<div class="table-wrap">
<table>
<thead>
<tr><% columns.forEach(function (c) { %><th><%= c %></th><% }); %></tr>
</thead>
<tbody>
<% rows.forEach(function (r) { %>
<tr>
<% columns.forEach(function (c) { %>
<td>
<% if (r[c] === null) { %><span class="null">NULL</span>
<% } else if (typeof r[c] === 'boolean') { %><%= r[c] ? 'true' : 'false' %>
<% } else if (r[c] instanceof Date) { %><%= r[c].toISOString() %>
<% } else { %><%= r[c] %><% } %>
</td>
<% }); %>
</tr>
<% }); %>
</tbody>
</table>
</div>
<nav class="pager">
<% if (page > 1) { %>
<a href="/table?schema=<%= schema %>&name=<%= name %>&page=<%= page - 1 %>&per_page=<%= perPage %>">← Назад</a>
<% } %>
<% if (page * perPage < count) { %>
<a href="/table?schema=<%= schema %>&name=<%= name %>&page=<%= page + 1 %>&per_page=<%= perPage %>">Вперёд →</a>
<% } %>
</nav>
<% } else { %>
<p>Таблица пуста.</p>
<% } %>
<% } %>
</main>
</body>
</html>