private void ParametrosCamposNoClavePorComas(CSourceWriter sw)
{
bool Primero = true;
foreach (CFieldM f in this.lFieldData)
{
sw.WriteComma(ref Primero);
sw.Write(SUtilBD.Param(f.Name));
}
}
private void ParametrosCamposNoIdPorComas(CSourceWriter sw)
{
bool Primero = true;
foreach (CFieldM f in this.lFieldAll)
{
if (!f.IsIdentity)
{
sw.WriteComma(ref Primero);
sw.Write(SUtilBD.Param(f.Name));
}
}
}
private void GeneraDelete(CSourceWriter sw)
{
sw.Write("delete from ");
sw.Write(this.Name);
sw.Write(" where ");
bool Primero = true;
foreach (CFieldM f in this.lFieldPk)
{
sw.WriteAnd(ref Primero);
sw.Write(f.Name);
sw.Write(" = ");
sw.Write(SUtilBD.Param(f.Name));
}
}
private void GeneraSelectByPk(CSourceWriter sw)
{
sw.Write("select");
sw.Space();
this.CamposPorComas(sw);
sw.Space();
sw.Write("from");
sw.Space();
sw.Write(this.Name);
bool Primero = true;
var sb = new StringBuilder();
foreach (CFieldM f in this.lFieldPk)
{
SUtilBD.AddCondicion(ref Primero, sb, f.Name + " = @" + SUtilBD.ParamName(f.Name));
}
sw.Space();
sw.Write(sb.ToString());
}
private void GeneraUpdate(CSourceWriter sw)
{
sw.Write("update ");
sw.Write(this.Name);
sw.Write(" set ");
bool Primero = true;
foreach (CFieldM f in this.lFieldData)
{
sw.WriteComma(ref Primero);
sw.Write(f.Name);
sw.Write(" = ");
sw.Write(SUtilBD.Param(f.Name));
}
sw.Write(" where ");
Primero = true;
foreach (CFieldM f in this.lFieldPk)
{
sw.WriteComma(ref Primero);
sw.Write(f.Name);
sw.Write(" = ");
sw.Write(SUtilBD.Param(f.Name));
}
}
private void GenerateDaos(CDBM db, CSharpProject p, string NamespaceName, CUsing usingModel, TextWriter mensajes)
{
foreach (CTableM t in db.lTable)
{
string ClassName = "S" + t.Name + "Dao";
p.AddCSharpFile(ClassName + ".generated", NamespaceName);
CClass c = p.AddClass(ClassName, isStatic: true);
c.lUsing.Add(CSharpStandarUsing.System);
c.IsPartial = true;
CMethod m;
//CreateFromReader
m = c.AddMethod(new CMethod("CreateFromReader", new TextualType(PocoName(t.Name)), CSharpVisibility.cvPublic, isStatic: true));
m.AddParam("dr", new TextualType("SqlDataReader"));
byte i = 0;
m.AddSentence(new CTextualSentence($"{PocoName(t.Name)} result = new {PocoName(t.Name)}();"));
foreach (CFieldM f in t.lFieldAll)
{
string textoDataReaderGet = SqlServerGetDataReaderGet(f.Td, i);
if (!f.IsNullable)
{
m.AddSentence(new CTextualSentence($"result.{f.Name} = {textoDataReaderGet};"));
}
else
{
m.AddSentence(new CTextualSentence($"if (dr.IsDBNull({i})) {{"));
m.AddSentence(new CTextualSentence($"\tresult.{f.Name} = null;"));
m.AddSentence(new CTextualSentence("}else{"));
m.AddSentence(new CTextualSentence($"\tresult.{f.Name} = {textoDataReaderGet};"));
m.AddSentence(new CTextualSentence("}"));
}
i++;
}
m.AddSentence(new CTextualSentence("return result;"));
//SelectAll
m = c.AddMethod(new CMethod("SelectAll", new TextualType("List<" + PocoName(t.Name) + ">"), CSharpVisibility.cvPublic, isStatic: true));
m.AddParam("con", new TextualType("SqlConnection"));
c.lUsing.Add(CSharpStandarUsing.System_Data_SqlClient);
m.AddSentence(new CTextualSentence($"List<{PocoName(t.Name)}> result = new List<{PocoName(t.Name)}>();"));
c.lUsing.Add(CSharpStandarUsing.System_Collections_Generic);
c.lUsing.Add(usingModel);
m.AddSentence(new CTextualSentence("using (SqlCommand com = con.CreateCommand()) {"));
m.AddSentence(new CTextualSentence($"\tcom.CommandText = {SUtil.DoubleQuote(t.GeneraSelectAll())};"));
m.AddSentence(new CTextualSentence("\tusing (SqlDataReader dr = com.ExecuteReader()){"));
m.AddSentence(new CTextualSentence("\t\twhile(dr.Read()){"));
m.AddSentence(new CTextualSentence($"\t\t\tresult.Add({ClassName}.CreateFromReader(dr));"));
m.AddSentence(new CTextualSentence("\t\t}"));
m.AddSentence(new CTextualSentence("\t}"));
m.AddSentence(new CTextualSentence("}"));
m.AddSentence(new CTextualSentence("return result;"));
//SelectByPk
if (t.lFieldData.Count > 0) //Si hay algo que seleccionar. Si no hay campos de datos no tendría sentido seleccionar por clave primaria.
{
m = c.AddMethod(new CMethod("SelectByPk", new TextualType(PocoName(t.Name)), CSharpVisibility.cvPublic, isStatic: true));
m.AddParam("con", new TextualType("SqlConnection"));
foreach (CFieldM f in t.lFieldPk)
{
m.AddParam(f.Name, CGenerator.SqlServerTD2CSharp(f.Td, f.IsNullable));
}
m.AddSentence(new CTextualSentence(PocoName(t.Name) + " result = null;"));
c.lUsing.Add(usingModel);
m.AddSentence(new CTextualSentence("using (SqlCommand com = con.CreateCommand()) {"));
m.AddSentence(new CTextualSentence($"\tcom.CommandText = {SUtil.DoubleQuote(t.GeneraSelectByPk())};"));
foreach (CFieldM f in t.lFieldPk)
{
m.AddSentence(new CTextualSentence("\tcom.Parameters.AddWithValue(" + SUtil.DoubleQuote(SUtilBD.ParamName(f.Name)) + ", " + f.Name + ");"));
}
m.AddSentence(new CTextualSentence("\tusing (SqlDataReader dr = com.ExecuteReader()){"));
m.AddSentence(new CTextualSentence("\t\tif(dr.Read()){"));
m.AddSentence(new CTextualSentence($"\t\t\tresult = {ClassName}.CreateFromReader(dr);"));
m.AddSentence(new CTextualSentence("\t\t}"));
m.AddSentence(new CTextualSentence("\t}"));
m.AddSentence(new CTextualSentence("}"));
m.AddSentence(new CTextualSentence("return result;"));
}
//Insert
m = c.AddMethod(new CMethod("Insert", CSharpPrimitiveType.cVoid, CSharpVisibility.cvPublic, true));
m.AddParam("con", new TextualType("SqlConnection"));
m.AddParam("item", new TextualType(PocoName(t.Name)));
m.AddSentence(new CTextualSentence("using(SqlCommand com = con.CreateCommand()){"));
m.AddSentence(new CTextualSentence($"\tcom.CommandText = {SUtil.DoubleQuote(t.GeneraInsert())};"));
foreach (CFieldM f in t.lFieldAll)
{
if (!f.IsIdentity)
{
if (!f.IsNullable)
{
m.AddSentence(new CTextualSentence($"\tcom.Parameters.AddWithValue({ SUtil.DoubleQuote(f.ParameterName)},item.{f.Name});"));
}
else
{
m.AddSentence(new CTextualSentence($"if (item.{f.Name} == null) {{"));
m.AddSentence(new CTextualSentence($"\tcom.Parameters.AddWithValue({ SUtil.DoubleQuote(f.ParameterName)},DBNull.Value);"));
m.AddSentence(new CTextualSentence("}else{"));
m.AddSentence(new CTextualSentence($"\tcom.Parameters.AddWithValue({ SUtil.DoubleQuote(f.ParameterName)},item.{f.Name});"));
m.AddSentence(new CTextualSentence("}"));
}
}
}
m.AddSentence(new CTextualSentence("\tcom.ExecuteNonQuery();"));
foreach (CFieldM f in t.lFieldAll)
{
if (f.IsIdentity)
{
string ConvertTo;
switch (f.Td)
{
case SqlDbType.BigInt:
ConvertTo = "(long)";
break;
case SqlDbType.Int:
ConvertTo = "(int)";
break;
case SqlDbType.SmallInt:
ConvertTo = "(short)";
break;
case SqlDbType.TinyInt:
ConvertTo = "(byte)";
break;
default:
throw new Exception("Tipo de dato no considerado en Identity");
}
m.AddSentence(new CTextualSentence($"\titem.{f.Name} = {ConvertTo}SUtilBD.getIdentity(con);"));
c.lUsing.Add(new CUsing("IvanCruz.Util"));
}
}
m.AddSentence(new CTextualSentence("}"));
//Update
m = c.AddMethod(new CMethod("Update", CSharpPrimitiveType.cVoid, CSharpVisibility.cvPublic, true));
m.AddParam("con", new TextualType("SqlConnection"));
m.AddParam("item", new TextualType(PocoName(t.Name)));
m.AddSentence(new CTextualSentence("using(SqlCommand com = con.CreateCommand()){"));
m.AddSentence(new CTextualSentence($"\tcom.CommandText = {SUtil.DoubleQuote(t.GeneraUpdate())};"));
foreach (CFieldM f in t.lFieldData)
{
AddParameterInUpdate(m, f);
}
foreach (CFieldM f in t.lFieldPk)
{
AddParameterInUpdate(m, f);
}
m.AddSentence(new CTextualSentence("\tcom.ExecuteNonQuery();"));
m.AddSentence(new CTextualSentence("}"));
//Delete
m = c.AddMethod(new CMethod("Delete", CSharpPrimitiveType.cVoid, CSharpVisibility.cvPublic, true));
m.AddParam("con", new TextualType("SqlConnection"));
m.AddParam("item", new TextualType(PocoName(t.Name)));
m.AddSentence(new CTextualSentence("using(SqlCommand com = con.CreateCommand()){"));
m.AddSentence(new CTextualSentence($"\tcom.CommandText = {SUtil.DoubleQuote(t.GeneraDelete())};"));
foreach (CFieldM f in t.lFieldPk)
{
m.AddSentence(new CTextualSentence($"\tcom.Parameters.AddWithValue({ SUtil.DoubleQuote(f.ParameterName)},item.{f.Name});"));
}
m.AddSentence(new CTextualSentence("\tcom.ExecuteNonQuery();"));
m.AddSentence(new CTextualSentence("}"));
}
mensajes.WriteLine("Pocos generados en: " + p.RootDirectory.ActualDirectory.FullName);
}