Adiciona backup geral no painel master

src/main/java/com/seconectai/condocontab/config/DataSourceProvider.java

@@ -16,6 +16,10 @@ public final class DataSourceProvider {
         return DriverManager.getConnection(config.masterJdbcUrl(), config.dbUser(), config.dbPassword());
     }
 
+    public Connection getConnection(String databaseName) throws SQLException {
+        return DriverManager.getConnection(config.jdbcUrl(databaseName), config.dbUser(), config.dbPassword());
+    }
+
     public void testarConexaoMaster() throws SQLException {
         try (Connection conn = getMasterConnection();
              Statement stmt = conn.createStatement()) {

src/main/java/com/seconectai/condocontab/master/http/MasterHandlers.java

@@ -14,11 +14,16 @@ import com.sun.net.httpserver.HttpExchange;
 import com.sun.net.httpserver.HttpHandler;
 
 import java.io.IOException;
+import java.io.OutputStream;
 import java.net.URLDecoder;
 import java.nio.charset.StandardCharsets;
 import java.sql.*;
 import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.*;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
 
 public final class MasterHandlers implements HttpHandler {
     private final DataSourceProvider dataSourceProvider;
@@ -131,9 +136,145 @@ public final class MasterHandlers implements HttpHandler {
             listarLogsEnvio(ex);
             return;
         }
+        if (parts.length == 1 && "backup".equals(parts[0])) {
+            if ("GET".equals(method)) gerarBackup(ex);
+            else HttpResponses.methodNotAllowed(ex);
+            return;
+        }
         HttpResponses.json(ex, 404, Map.of("erro", "endpoint_nao_encontrado"));
     }
 
+    private void gerarBackup(HttpExchange ex) throws Exception {
+        String timestamp = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMdd-HHmmss"));
+        List<Map<String,Object>> bancos = new ArrayList<>();
+        try (Connection conn = dataSourceProvider.getMasterConnection(); PreparedStatement ps = conn.prepareStatement("SELECT id,nome,slug,database_name,status FROM empresas WHERE status<>'excluida' ORDER BY id")) {
+            bancos.add(Map.of("nome", "master", "database_name", currentDatabase(conn), "tipo", "master"));
+            try (ResultSet rs = ps.executeQuery()) {
+                while (rs.next()) {
+                    Map<String,Object> b = new LinkedHashMap<>();
+                    b.put("id", rs.getLong("id"));
+                    b.put("nome", rs.getString("nome"));
+                    b.put("slug", rs.getString("slug"));
+                    b.put("database_name", rs.getString("database_name"));
+                    b.put("status", rs.getString("status"));
+                    b.put("tipo", "cliente");
+                    bancos.add(b);
+                }
+            }
+        }
+        String filename = "seconectai-backup-" + timestamp + ".zip";
+        ex.getResponseHeaders().set("Content-Type", "application/zip");
+        ex.getResponseHeaders().set("Content-Disposition", "attachment; filename=\"" + filename + "\"");
+        ex.sendResponseHeaders(200, 0);
+        try (OutputStream out = ex.getResponseBody(); ZipOutputStream zip = new ZipOutputStream(out, StandardCharsets.UTF_8)) {
+            zip.putNextEntry(new ZipEntry("manifest.json"));
+            zip.write(backupManifest(timestamp, bancos).getBytes(StandardCharsets.UTF_8));
+            zip.closeEntry();
+            for (Map<String,Object> banco : bancos) {
+                String db = String.valueOf(banco.get("database_name"));
+                String prefixo = "master".equals(banco.get("tipo")) ? "master" : "clientes/" + safeName(String.valueOf(banco.get("slug"))) + "-" + banco.get("id");
+                zip.putNextEntry(new ZipEntry(prefixo + "/" + db + ".sql"));
+                try (Connection conn = dataSourceProvider.getConnection(db)) {
+                    escreverBackupSql(conn, db, zip);
+                } catch (Exception err) {
+                    zip.write(("-- Falha ao gerar backup de " + db + ": " + err.getMessage() + "\n").getBytes(StandardCharsets.UTF_8));
+                }
+                zip.closeEntry();
+            }
+        }
+    }
+
+    private String backupManifest(String timestamp, List<Map<String,Object>> bancos) {
+        StringBuilder sb = new StringBuilder();
+        sb.append("{\"gerado_em\":\"").append(timestamp).append("\",\"bancos\":[");
+        for (int i = 0; i < bancos.size(); i++) {
+            if (i > 0) sb.append(',');
+            Map<String,Object> b = bancos.get(i);
+            sb.append('{');
+            int j = 0;
+            for (var e : b.entrySet()) {
+                if (j++ > 0) sb.append(',');
+                sb.append('"').append(jsonEscape(e.getKey())).append("\":\"").append(jsonEscape(String.valueOf(e.getValue()))).append('"');
+            }
+            sb.append('}');
+        }
+        return sb.append("]}").toString();
+    }
+
+    private void escreverBackupSql(Connection conn, String databaseName, OutputStream out) throws Exception {
+        out.write(("-- Backup SeConectai - " + databaseName + "\n").getBytes(StandardCharsets.UTF_8));
+        out.write(("SET client_encoding = 'UTF8';\nSET session_replication_role = replica;\n\n").getBytes(StandardCharsets.UTF_8));
+        for (String table : tabelasPublicas(conn)) {
+            out.write(("-- Tabela " + table + "\n").getBytes(StandardCharsets.UTF_8));
+            try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery("SELECT * FROM " + ident(table))) {
+                ResultSetMetaData md = rs.getMetaData();
+                while (rs.next()) {
+                    StringBuilder sql = new StringBuilder("INSERT INTO ").append(ident(table)).append(" (");
+                    for (int i = 1; i <= md.getColumnCount(); i++) {
+                        if (i > 1) sql.append(',');
+                        sql.append(ident(md.getColumnName(i)));
+                    }
+                    sql.append(") VALUES (");
+                    for (int i = 1; i <= md.getColumnCount(); i++) {
+                        if (i > 1) sql.append(',');
+                        sql.append(sqlValue(rs.getObject(i)));
+                    }
+                    sql.append(") ON CONFLICT DO NOTHING;\n");
+                    out.write(sql.toString().getBytes(StandardCharsets.UTF_8));
+                }
+            }
+            out.write("\n".getBytes(StandardCharsets.UTF_8));
+        }
+        for (String seq : sequenciasPublicas(conn)) {
+            String sql = "SELECT setval('" + seq.replace("'", "''") + "', COALESCE((SELECT last_value FROM " + ident(seq) + "), 1), true);\n";
+            out.write(sql.getBytes(StandardCharsets.UTF_8));
+        }
+        out.write("SET session_replication_role = DEFAULT;\n".getBytes(StandardCharsets.UTF_8));
+    }
+
+    private String currentDatabase(Connection conn) throws SQLException {
+        try (Statement st = conn.createStatement(); ResultSet rs = st.executeQuery("SELECT current_database()")) {
+            rs.next();
+            return rs.getString(1);
+        }
+    }
+
+    private List<String> tabelasPublicas(Connection conn) throws SQLException {
+        List<String> tables = new ArrayList<>();
+        try (PreparedStatement ps = conn.prepareStatement("SELECT tablename FROM pg_tables WHERE schemaname='public' ORDER BY tablename"); ResultSet rs = ps.executeQuery()) {
+            while (rs.next()) tables.add(rs.getString(1));
+        }
+        return tables;
+    }
+
+    private List<String> sequenciasPublicas(Connection conn) throws SQLException {
+        List<String> seqs = new ArrayList<>();
+        try (PreparedStatement ps = conn.prepareStatement("SELECT sequencename FROM pg_sequences WHERE schemaname='public' ORDER BY sequencename"); ResultSet rs = ps.executeQuery()) {
+            while (rs.next()) seqs.add(rs.getString(1));
+        }
+        return seqs;
+    }
+
+    private String ident(String value) {
+        return "\"" + value.replace("\"", "\"\"") + "\"";
+    }
+
+    private String sqlValue(Object value) {
+        if (value == null) return "NULL";
+        if (value instanceof Number) return value.toString();
+        if (value instanceof Boolean) return (Boolean)value ? "TRUE" : "FALSE";
+        if (value instanceof byte[] bytes) return "'\\\\x" + HexFormat.of().formatHex(bytes) + "'";
+        return "'" + value.toString().replace("'", "''") + "'";
+    }
+
+    private String safeName(String value) {
+        return value == null ? "cliente" : value.replaceAll("[^A-Za-z0-9._-]", "_");
+    }
+
+    private String jsonEscape(String value) {
+        return value == null ? "" : value.replace("\\", "\\\\").replace("\"", "\\\"");
+    }
+
     private void listarEvolutionInstancias(HttpExchange ex, long empresaId) throws Exception {
         try (Connection conn = dataSourceProvider.getMasterConnection(); PreparedStatement ps = conn.prepareStatement("SELECT id, empresa_id, instance_url, numero_whatsapp, status, solicitado_em, aprovado_em, aprovado_por FROM evolution_instancias WHERE empresa_id=? ORDER BY solicitado_em DESC, id DESC")) {
             ps.setLong(1, empresaId);

src/main/webapp/js/layout.js

@@ -1 +1 @@
-window.Layout={mount(scope,active){Auth.require(scope);const label=localStorage.getItem('auth_label')||(scope==='master'?'Master':'Escritorio');const master=[['Clientes','/master/clientes.html','clientes'],['Planos','/master/planos.html','planos'],['Financeiro','/master/financeiro.html','financeiro'],['Configuracoes','/master/configuracoes.html','configuracoes']];let cliente=[['Cadastro','/cliente/condominios.html','condominios'],['Lembrete','/cliente/lembretes.html','lembretes'],['Financeiro','/cliente/financeiro.html','financeiro'],['WhatsApp','/cliente/configuracoes.html','configuracoes']];if(scope==='empresa'&&!Auth.isAdminEmpresa())cliente=cliente.filter(x=>x[2]!=='configuracoes');const menu=(scope==='master'?master:cliente).map(([n,h,k])=>`<a class="${k===active?'active':''}" href="${h}">${n}</a>`).join('');document.body.insertAdjacentHTML('afterbegin',`<aside class="sidebar"><div><div class="brand">SeConectai</div><div class="user">${label}</div></div><nav class="menu">${menu}</nav><button class="btn" onclick="Auth.logout()">Sair</button></aside>`);document.body.classList.add('app');document.querySelector('main')?.classList.add('content')}};
+window.Layout={mount(scope,active){Auth.require(scope);const label=localStorage.getItem('auth_label')||(scope==='master'?'Master':'Escritorio');const master=[['Clientes','/master/clientes.html','clientes'],['Planos','/master/planos.html','planos'],['Financeiro','/master/financeiro.html','financeiro'],['Configuracoes','/master/configuracoes.html','configuracoes'],['Backup','/master/backup.html','backup']];let cliente=[['Cadastro','/cliente/condominios.html','condominios'],['Lembrete','/cliente/lembretes.html','lembretes'],['Financeiro','/cliente/financeiro.html','financeiro'],['WhatsApp','/cliente/configuracoes.html','configuracoes']];if(scope==='empresa'&&!Auth.isAdminEmpresa())cliente=cliente.filter(x=>x[2]!=='configuracoes');const menu=(scope==='master'?master:cliente).map(([n,h,k])=>`<a class="${k===active?'active':''}" href="${h}">${n}</a>`).join('');document.body.insertAdjacentHTML('afterbegin',`<aside class="sidebar"><div><div class="brand">SeConectai</div><div class="user">${label}</div></div><nav class="menu">${menu}</nav><button class="btn" onclick="Auth.logout()">Sair</button></aside>`);document.body.classList.add('app');document.querySelector('main')?.classList.add('content')}};

src/main/webapp/master/backup.html

@@ -0,0 +1 @@
+<!doctype html><html lang="pt-BR"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>Backup</title><link rel="stylesheet" href="/css/app.css"><script src="/js/auth.js"></script><script src="/js/util.js"></script><script src="/js/api.js"></script><script src="/js/layout.js"></script></head><body><main><div class="topbar"><h1>Backup</h1></div><section class="panel"><h2>Backup geral</h2><p class="muted">Baixe um arquivo ZIP com o banco Master e os bancos de todos os clientes cadastrados.</p><button id="backup-btn" class="btn" type="button">Gerar e baixar backup</button><div id="backup-status" class="panel-block muted"></div></section></main><script>Layout.mount('master','backup');</script><script src="/master/backup.js"></script></body></html>

src/main/webapp/master/backup.js

@@ -0,0 +1,36 @@
+const btn=document.querySelector('#backup-btn'),statusEl=document.querySelector('#backup-status');
+btn.onclick=async()=>{
+  if(!confirm('Gerar backup geral do sistema e de todos os clientes?'))return;
+  btn.disabled=true;
+  statusEl.textContent='Gerando backup...';
+  try{
+    const headers={};
+    const token=Auth.token();
+    if(token)headers.Authorization=`Bearer ${token}`;
+    const res=await fetch('/api/master/backup',{headers});
+    if(res.status===401){Auth.logout();return}
+    if(!res.ok){
+      const data=await res.json().catch(()=>({}));
+      throw new Error(data.mensagem||data.erro||`Erro HTTP ${res.status}`);
+    }
+    const blob=await res.blob();
+    const cd=res.headers.get('Content-Disposition')||'';
+    const match=cd.match(/filename="?([^"]+)"?/);
+    const filename=match?match[1]:'seconectai-backup.zip';
+    const url=URL.createObjectURL(blob);
+    const a=document.createElement('a');
+    a.href=url;
+    a.download=filename;
+    document.body.appendChild(a);
+    a.click();
+    a.remove();
+    URL.revokeObjectURL(url);
+    statusEl.textContent='Backup baixado com sucesso.';
+    Util.toast('Backup baixado');
+  }catch(e){
+    statusEl.textContent='';
+    Util.toast(e.message,true);
+  }finally{
+    btn.disabled=false;
+  }
+};