jjimenez/erp-imprimelibros
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This commit is contained in:
Jaime Jiménez
2025-09-26 15:13:11 +02:00
parent 062a20c26a
commit 01a1ac4b71
30 changed files with 937 additions and 139 deletions
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43
src/main/java/com/imprimelibros/erp/datatables/DataTablesParser.java Normal file
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package com.imprimelibros.erp.datatables;
import jakarta.servlet.http.HttpServletRequest;
import java.util.*;
public class DataTablesParser {
public static DataTablesRequest from(HttpServletRequest req) {
DataTablesRequest dt = new DataTablesRequest();
dt.draw = parseInt(req.getParameter("draw"), 0);
dt.start = parseInt(req.getParameter("start"), 0);
dt.length = parseInt(req.getParameter("length"), 10);
if (req.getParameter("search[value]") != null) {
dt.search.value = req.getParameter("search[value]");
dt.search.regex = Boolean.parseBoolean(req.getParameter("search[regex]"));
}
for (int i=0;; i++) {
String data = req.getParameter("columns["+i+"][data]");
if (data == null) break;
DataTablesRequest.Column c = new DataTablesRequest.Column();
c.data = data;
c.name = Optional.ofNullable(req.getParameter("columns["+i+"][name]")).orElse(data);
c.searchable = Boolean.parseBoolean(Optional.ofNullable(req.getParameter("columns["+i+"][searchable]")).orElse("true"));
c.orderable = Boolean.parseBoolean(Optional.ofNullable(req.getParameter("columns["+i+"][orderable]")).orElse("true"));
c.search.value = Optional.ofNullable(req.getParameter("columns["+i+"][search][value]")).orElse("");
dt.columns.add(c);
}
for (int i=0;; i++) {
String colIdx = req.getParameter("order["+i+"][column]");
if (colIdx == null) break;
DataTablesRequest.Order o = new DataTablesRequest.Order();
o.column = parseInt(colIdx,0);
o.dir = Optional.ofNullable(req.getParameter("order["+i+"][dir]")).orElse("asc");
dt.order.add(o);
}
// guarda TODOS los params crudos (para filtros custom)
req.getParameterMap().forEach((k,v) -> dt.raw.put(k, v!=null && v.length>0 ? v[0] : null));
return dt;
}
private static int parseInt(String s, int def){ try{return Integer.parseInt(s);}catch(Exception e){return def;}}
}