public static string FacturasDeUnRecibo(Lfx.Data.Connection dataBase, int ReciboId)
{
System.Text.StringBuilder Facturas = new System.Text.StringBuilder();
System.Data.DataTable TablaFacturas = dataBase.Select("SELECT id_comprob FROM recibos_comprob WHERE id_recibo=" + ReciboId.ToString());
foreach (System.Data.DataRow Factura in TablaFacturas.Rows)
{
if (Facturas.Length == 0)
{
Facturas.Append(Lbl.Comprobantes.Comprobante.TipoYNumeroCompleto(dataBase, Lfx.Data.Connection.ConvertDBNullToZero(Factura["id_comprob"])));
}
else
{
Facturas.Append(", " + Lbl.Comprobantes.Comprobante.TipoYNumeroCompleto(dataBase, Lfx.Data.Connection.ConvertDBNullToZero(Factura["id_comprob"])));
}
}
return(Facturas.ToString());
}
public void Restore(string backupName)
{
string Carpeta = backupName + System.IO.Path.DirectorySeparatorChar;
Lfx.Environment.Folders.EnsurePathExists(this.BackupPath);
if (Carpeta != null && Carpeta.Length > 0 && System.IO.Directory.Exists(this.BackupPath + Carpeta))
{
bool UsandoArchivoComprimido = false;
Lfx.Types.OperationProgress Progreso = new Lfx.Types.OperationProgress("Restaurando copia de seguridad", "Este proceso va a demorar varios minutos. Por favor no lo interrumpa");
Progreso.Modal = true;
/* Progreso.ChangeStatus("Descomprimiendo");
* // Descomprimir backup si está comprimido
* if (System.IO.File.Exists(BackupPath + Carpeta + "backup.7z")) {
* Lfx.FileFormats.Compression.Archive ArchivoComprimido = new Lfx.FileFormats.Compression.Archive(BackupPath + Carpeta + "backup.7z");
* ArchivoComprimido.ExtractAll(BackupPath + Carpeta);
* UsandoArchivoComprimido = true;
* } */
Progreso.ChangeStatus("Eliminando datos actuales");
using (Lfx.Data.Connection DataBase = Lfx.Workspace.Master.GetNewConnection("Restauración de copia de seguridad")) {
Progreso.ChangeStatus("Acomodando estructuras");
Lfx.Workspace.Master.Structure.TagList.Clear();
Lfx.Workspace.Master.Structure.LoadFromFile(this.BackupPath + Carpeta + "dbstruct.xml");
Lfx.Workspace.Master.CheckAndUpdateDataBaseVersion(true, true);
using (BackupReader Lector = new BackupReader(this.BackupPath + Carpeta + "dbdata.lbd"))
using (IDbTransaction Trans = DataBase.BeginTransaction()) {
DataBase.EnableConstraints(false);
Progreso.ChangeStatus("Incorporando tablas de datos");
Progreso.Max = (int)(Lector.Length / 1024);
string TablaActual = null;
string[] ListaCampos = null;
object[] ValoresCampos = null;
int CampoActual = 0;
bool EndTable = false;
qGen.BuilkInsert Insertador = new qGen.BuilkInsert();
do
{
string Comando = Lector.ReadString(4);
switch (Comando)
{
case ":TBL":
TablaActual = Lector.ReadPrefixedString4();
string NombreTabla;
if (Lfx.Workspace.Master.Structure.Tables.ContainsKey(TablaActual) && Lfx.Workspace.Master.Structure.Tables[TablaActual].Label != null)
{
NombreTabla = Lfx.Workspace.Master.Structure.Tables[TablaActual].Label;
}
else
{
NombreTabla = TablaActual.ToTitleCase();
}
EndTable = false;
Progreso.ChangeStatus("Cargando " + NombreTabla);
qGen.Delete DelCmd = new qGen.Delete(TablaActual);
DelCmd.EnableDeleleteWithoutWhere = true;
DataBase.Execute(DelCmd);
break;
case ":FDL":
ListaCampos = Lector.ReadPrefixedString4().Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
ValoresCampos = new object[ListaCampos.Length];
CampoActual = 0;
break;
case ":FLD":
ValoresCampos[CampoActual++] = Lector.ReadField();
break;
case ".ROW":
qGen.Insert Insertar = new qGen.Insert(TablaActual);
for (int i = 0; i < ListaCampos.Length; i++)
{
Insertar.Fields.AddWithValue(ListaCampos[i], ValoresCampos[i]);
}
Insertador.Add(Insertar);
ValoresCampos = new object[ListaCampos.Length];
CampoActual = 0;
break;
case ":REM":
Lector.ReadPrefixedString4();
break;
case ".TBL":
EndTable = true;
break;
}
if (EndTable || Insertador.Count >= 1000)
{
if (Insertador.Count > 0)
{
DataBase.Execute(Insertador);
}
Insertador.Clear();
Progreso.Value = (int)(Lector.Position / 1024);
}
} while (Lector.Position < Lector.Length);
Lector.Close();
if (Lfx.Workspace.Master.MasterConnection.SqlMode == qGen.SqlModes.PostgreSql)
{
// PostgreSql: Tengo que actualizar las secuencias
Progreso.ChangeStatus("Actualizando secuencias");
string PatronSecuencia = @"nextval\(\'(.+)\'(.*)\)";
foreach (string Tabla in Lfx.Data.DataBaseCache.DefaultCache.GetTableNames())
{
string OID = DataBase.FieldString("SELECT c.oid FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_namespace n ON n.oid=c.relnamespace WHERE pg_catalog.pg_table_is_visible(c.oid) AND c.relname ~ '^" + Tabla + "$'");
System.Data.DataTable Campos = DataBase.Select("SELECT a.attname,pg_catalog.format_type(a.atttypid, a.atttypmod),(SELECT substring(d.adsrc for 128) FROM pg_catalog.pg_attrdef d WHERE d.adrelid = a.attrelid AND d.adnum = a.attnum AND a.atthasdef), a.attnotnull, a.attnum FROM pg_catalog.pg_attribute a WHERE a.attrelid = '" + OID + "' AND a.attnum > 0 AND NOT a.attisdropped ORDER BY a.attnum");
foreach (System.Data.DataRow Campo in Campos.Rows)
{
if (Campo[2] != DBNull.Value && Campo[2] != null)
{
string DefaultCampo = System.Convert.ToString(Campo[2]);
if (Regex.IsMatch(DefaultCampo, PatronSecuencia))
{
string NombreCampo = System.Convert.ToString(Campo[0]);
foreach (System.Text.RegularExpressions.Match Ocurrencia in Regex.Matches(DefaultCampo, PatronSecuencia))
{
string Secuencia = Ocurrencia.Groups[1].ToString();
int MaxId = DataBase.FieldInt("SELECT MAX(" + NombreCampo + ") FROM " + Tabla) + 1;
DataBase.ExecuteSql("ALTER SEQUENCE " + Secuencia + " RESTART WITH " + MaxId.ToString());
}
}
}
}
}
}
if (System.IO.File.Exists(this.BackupPath + Carpeta + "blobs.lst"))
{
// Incorporar Blobs
Progreso.ChangeStatus("Incorporando imágenes");
System.IO.StreamReader LectorBlobs = new System.IO.StreamReader(this.BackupPath + Carpeta + "blobs.lst", System.Text.Encoding.Default);
string InfoImagen = null;
do
{
InfoImagen = LectorBlobs.ReadLine();
if (InfoImagen != null && InfoImagen.Length > 0)
{
string Tabla = Lfx.Types.Strings.GetNextToken(ref InfoImagen, ",");
string Campo = Lfx.Types.Strings.GetNextToken(ref InfoImagen, ",");
string CampoId = Lfx.Types.Strings.GetNextToken(ref InfoImagen, ",");
string NombreArchivoImagen = Lfx.Types.Strings.GetNextToken(ref InfoImagen, ",");
// Guardar blob nuevo
qGen.Update ActualizarBlob = new qGen.Update(DataBase, Tabla);
ActualizarBlob.WhereClause = new qGen.Where(Campo, CampoId);
System.IO.FileStream ArchivoImagen = new System.IO.FileStream(this.BackupPath + Carpeta + NombreArchivoImagen, System.IO.FileMode.Open, System.IO.FileAccess.Read);
byte[] Contenido = new byte[System.Convert.ToInt32(ArchivoImagen.Length) - 1 + 1];
ArchivoImagen.Read(Contenido, 0, System.Convert.ToInt32(ArchivoImagen.Length));
ArchivoImagen.Close();
ActualizarBlob.Fields.AddWithValue(Campo, Contenido);
DataBase.Execute(ActualizarBlob);
}
}while (InfoImagen != null);
LectorBlobs.Close();
}
if (UsandoArchivoComprimido)
{
Progreso.ChangeStatus("Eliminando archivos temporales");
// Borrar los archivos que descomprim temporalmente
System.IO.DirectoryInfo Dir = new System.IO.DirectoryInfo(this.BackupPath + Carpeta);
foreach (System.IO.FileInfo DirItem in Dir.GetFiles())
{
if (DirItem.Name != "backup.7z" && DirItem.Name != "info.txt")
{
System.IO.File.Delete(this.BackupPath + Carpeta + DirItem.Name);
}
}
}
Progreso.ChangeStatus("Terminando transacción");
Trans.Commit();
}
Progreso.End();
}
Lfx.Workspace.Master.RunTime.Toast("La copia de seguridad se restauró con éxito. A continuación se va a reiniciar la aplicación.", "Copia Restaurada");
}
}
public Lazaro.Pres.Spreadsheet.Sheet ToWorkbookSheet()
{
Lazaro.Pres.Spreadsheet.Sheet Res = new Lazaro.Pres.Spreadsheet.Sheet(Titulo);
foreach (Lfx.Data.Aggregate Agru in this.Aggregates)
{
Agru.Reset();
}
foreach (Lazaro.Pres.Field Field in this.Fields)
{
Res.ColumnHeaders.Add(new ColumnHeader(Field.Label, Field.Width, Field.Alignment));
}
if (this.Grouping != null)
{
this.Grouping.Reset();
}
qGen.Select Sel = this.SelectCommand.Clone();
if (this.Grouping != null)
{
if (Sel.Order == null || Sel.Order.Length == 0)
{
Sel.Order = this.Grouping.FieldName;
}
else
{
Sel.Order = this.Grouping.FieldName + "," + Sel.Order;
}
}
System.Data.DataTable Tabla = DataBase.Select(Sel);
foreach (System.Data.DataRow Registro in Tabla.Rows)
{
if (this.Grouping != null && Lfx.Types.Object.CompareByValue(this.Grouping.LastValue, Registro[Lfx.Data.Field.GetNameOnly(this.Grouping.FieldName)]) != 0)
{
// Agrego un renglón de subtotales
if (this.Grouping.LastValue != null)
{
Lazaro.Pres.Spreadsheet.Row SubTotales;
if (this.ExpandGroups)
{
SubTotales = new Lazaro.Pres.Spreadsheet.AggregationRow(Res);
}
else
{
SubTotales = new Lazaro.Pres.Spreadsheet.Row(Res);
}
for (int i = 0; i < this.Fields.Count; i++)
{
Lazaro.Pres.Spreadsheet.Cell FuncCell = null;
if (this.Grouping != null && this.Fields[i].Name == this.Grouping.FieldName && this.ExpandGroups == false)
{
FuncCell = new Cell(this.Grouping.LastValue);
}
else
{
foreach (Lfx.Data.Aggregate SubtAgru in this.Aggregates)
{
if (SubtAgru.FieldName == this.Fields[i].Name)
{
switch (SubtAgru.Function)
{
case Lfx.Data.AggregationFunctions.Count:
FuncCell = new Cell(SubtAgru.Count);
SubtAgru.ResetCounters();
break;
case Lfx.Data.AggregationFunctions.Sum:
FuncCell = new Cell(SubtAgru.Sum);
SubtAgru.ResetCounters();
break;
default:
FuncCell = new Cell("#undef#");
SubtAgru.ResetCounters();
break;
}
}
}
}
if (FuncCell != null)
{
SubTotales.Cells.Add(FuncCell);
}
else
{
SubTotales.Cells.Add(new Cell(""));
}
}
Res.Rows.Add(SubTotales);
}
this.Grouping.LastValue = Registro[Lfx.Data.Field.GetNameOnly(this.Grouping.FieldName)];
// Agrego un encabezado
if (ExpandGroups)
{
Res.Rows.Add(new Lazaro.Pres.Spreadsheet.HeaderRow(Registro[Lfx.Data.Field.GetNameOnly(this.Grouping.FieldName)].ToString()));
}
}
if (Aggregates != null)
{
// Calculo las funciones de agregación
foreach (Lfx.Data.Aggregate Agru in this.Aggregates)
{
switch (Agru.Function)
{
case Lfx.Data.AggregationFunctions.Count:
Agru.Count++;
break;
case Lfx.Data.AggregationFunctions.Sum:
Agru.Sum += System.Convert.ToDecimal(Registro[Lfx.Data.Field.GetNameOnly(Agru.FieldName)]);
break;
}
}
}
if (ExpandGroups)
{
Lazaro.Pres.Spreadsheet.Row Renglon = new Lazaro.Pres.Spreadsheet.Row();
foreach (Lazaro.Pres.Field Field in this.Fields)
{
Lazaro.Pres.Spreadsheet.Cell Celda = new Cell(Registro[Lfx.Data.Field.GetNameOnly(Field.Name)]);
Renglon.Cells.Add(Celda);
}
Res.Rows.Add(Renglon);
}
}
return(Res);
}
