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EditVisitor.cs
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EditVisitor.cs
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using System;
using System.IO;
using System.Text;
namespace ABC
{
public class EditVisitor : IVisitor
{
private TextWriter _writer;
private Table _table;
private int _indentation = 0;
private string _indent = " ";
public EditVisitor(TextWriter writer, Table table)
{
_writer = writer;
_table = table;
}
public void Visit(Table table)
{
WriteHeader(table);
WriteContent(table);
WriteFooter();
}
public void Visit(Column column)
{
if(column.ReadOnly || column.Hide)
{
return;
}
_writer.WriteLine("<div class='form-group'>");
if(column.IsForeignKey)
{
WriteForeignKeyInput(column);
}
else
{
switch(column.DataType)
{
case ColumnDataType.varchar:
_writer.WriteLine($"<input class='form-control text-box single-line input-validation-error' data-val='true' data-val-required='Campo requerido' name='{column.Name}' placeholder='{column.Header}' type='text' value='<?php echo $result['{column.Name}'] ?>'>");
break;
case ColumnDataType.numInt:
_writer.WriteLine($"<input class='form-control text-box single-line input-validation-error' data-val='true' data-val-required='Campo requerido' name='{column.Name}' placeholder='{column.Header}' type='number' value='<?php echo $result['{column.Name}'] ?>'>");
break;
case ColumnDataType.tinyInt:
if(column.IsDropdown){
_writer.WriteLine($"<select name='{column.Name}'>");
_writer.WriteLine($"");
foreach(var option in column.Options)
{
_writer.WriteLine($"<?php if($result['{column.Name}'] == {option.Key}) : ?>");
_writer.WriteLine($"<option selected value='<?php echo $result['{column.Name}']; ?>'>{option.Value}</option>");
_writer.WriteLine("<?php else : ?>");
_writer.WriteLine($"<option value='{option.Key}'>{option.Value}</option>");
_writer.WriteLine("<?php endif; ?>");
}
_writer.WriteLine("</select>");
}
break;
}
}
_writer.WriteLine("</div>");
}
public void WriteForeignKeyInput(Column column)
{
_writer.WriteLine($"<?php $fkquery = 'SELECT * FROM {column.ForeignKeyMap.ToTable.Name}';");
_writer.WriteLine($"$fkresult = $db->squery_rows($fkquery, array()); ?>");
_writer.WriteLine($"<select name='{column.Name}'>");
_writer.WriteLine("<?php while($data = mysqli_fetch_assoc($fkresult)) :");
_writer.WriteLine($"$value = $data['{column.ForeignKeyMap.ToTable.PrimaryKey.Name}'];");
_writer.WriteLine("$selected='';");
_writer.WriteLine($"if($value == $result['{column.Name}'])");
_writer.WriteLine("{ $selected = 'selected';} ?>");
_writer.Write($"<option <?php echo $selected; ?> value=\"<?php echo $value;?>\">");
_writer.WriteLine($"<?php echo $data['{column.ForeignKeyMap.Column}']; ?></option>");
_writer.WriteLine("<?php endwhile; ?>");
_writer.WriteLine("</select>");
}
public void WriteContent(Table table)
{
_writer.WriteLine("<div class='col-lg-10 col-lg-offset-1'>");
_writer.WriteLine($"<form action='edit{table.Name}.php?pk=<?php echo $pk; ?>' method='post'>");
foreach(var col in table.Columns.Values)
{
Visit(col);
}
_writer.WriteLine("<div class='form-group' style='width: 100%; margin-bottom: 0px;'>");
_writer.WriteLine("<div class='col-sm-6 col-sm-offset-3' style='text-align: center;'>");
_writer.WriteLine("<input type='submit' value='Guardar' class='btn btn-primary btn-lg' style='padding: 7px 0px !important; width: 100%; text-align: center;'>");
_writer.WriteLine("</div>");
_writer.WriteLine("<div class='col-sm-6 col-sm-offset-3' style='text-align: center; margin-top:10px;'>");
_writer.WriteLine($"<a class='btn btn-default btn-lg' href='{table.Name}.php' style='padding: 7px 0px !important; width: 100%; text-align: center;'>Cancelar</a>");
_writer.WriteLine("</div>");
_writer.WriteLine("</div>");
_writer.WriteLine("</form>");
_writer.WriteLine("</div>");
}
private void Indent()
{
_indentation++;
}
private void Unindent()
{
_indentation--;
}
private void WriteIndentation()
{
for (int i = 0; i < _indentation; i++)
{
_writer.Write(_indent);
}
}
private string GetColumnsString(Table table)
{
int i = 0;
StringBuilder sb = new StringBuilder();
foreach(var col in table.Columns.Values)
{
if(i > 0)
{
sb.Append(',');
}
if(col.ReadOnly)
{
continue;
}
sb.Append($"`{col.Name}`");
i++;
}
return sb.ToString();
}
private string GetWildCardString(Table table)
{
int i = 0;
StringBuilder sb = new StringBuilder();
foreach(var col in table.Columns.Values)
{
if(i > 0)
{
sb.Append(',');
}
if(!col.ReadOnly && !col.IsPrimaryKey)
{
sb.Append($"{col.Name} = '{SharedContainer.AppConfigInstance.WildCard}'");
i++;
}
}
return sb.ToString();
}
private string GetValuesToEdit(Table table)
{
int i = 0;
StringBuilder sb = new StringBuilder();
foreach(var col in table.Columns.Values)
{
if(i > 0)
{
sb.Append(',');
}
if(!col.ReadOnly && !col.IsPrimaryKey)
{
sb.Append($"${col.Name}");
i++;
}
}
sb.Append(", $pk");
return sb.ToString();
}
private void WriteHeader(Table table)
{
_writer.WriteLine("<?php");
Indent();
WriteIndentation();
_writer.WriteLine($"include_once(\"../header.php\");");
Unindent();
WriteIndentation();
_writer.WriteLine("$result = NULL;");
_writer.WriteLine("if(empty($_GET['pk'])){");
_writer.WriteLine("echo 'ERROR no se ha encontrado un registro para editar'; exit();}");
_writer.WriteLine("$pk = $_GET['pk'];");
_writer.WriteLine("function getValues($db, $pk){");
_writer.WriteLine($"$query = \"SELECT {GetColumnsString(table)} FROM {table.Name} WHERE {table.PrimaryKey.Name} = \" . '' . \"{SharedContainer.AppConfigInstance.WildCard}\";");
_writer.WriteLine($"return $db->qarray($query, array($pk));");
_writer.WriteLine("}");
_writer.WriteLine("if(!empty($_POST)){");
_writer.WriteLine("$error = 0;");
foreach(var col in table.Columns.Values)
{
if(!col.IsPrimaryKey && !col.Hide)
{
if(col.IsDropdown || col.IsForeignKey)
{
_writer.WriteLine($"if(!isset($_POST['{col.Name}']) || $_POST['{col.Name}'] == '')");
}
else{
_writer.WriteLine($"if(empty($_POST['{col.Name}']))");
}
_writer.WriteLine("{");
_writer.WriteLine("$error = 1;");
_writer.WriteLine("}");
_writer.WriteLine("else{");
_writer.WriteLine($"${col.Name} = $_POST['{col.Name}'];");
_writer.WriteLine("}");
}
}
_writer.WriteLine("if($error == 1){");
_writer.WriteLine("$result = getValues($db, $pk);");
_writer.WriteLine("echo '<div class=\"alert alert-danger\">ERROR se deben de llenar todos los campos de la forma.</div>';}");
_writer.WriteLine("else{");
_writer.WriteLine($"$query = \"UPDATE {table.Name} SET {GetWildCardString(table)} WHERE {table.PrimaryKey.Name} = \" . '' . \"{SharedContainer.AppConfigInstance.WildCard}\";");
_writer.WriteLine($"$result = $db->squery_rows($query, array({GetValuesToEdit(table)}));");
_writer.WriteLine("if($result == 1){");
_writer.WriteLine($"header('Location: {table.Name}.php');");
_writer.WriteLine("}");
_writer.WriteLine("}");
_writer.WriteLine("}");
_writer.WriteLine("else{");
_writer.WriteLine("$result = getValues($db, $pk);");
_writer.WriteLine("}");
_writer.WriteLine("?>");
_writer.WriteLine("<div class='col-sm-12' style='margin-top: 70px; text-align: center;'>");
_writer.WriteLine($"<h2 style='margin-top: 0px; font-weight: bold; font-size: 35px;color: #E42B22;'>Editar {table.Name}</h2>");
_writer.WriteLine("</div>");
}
private void WriteFooter()
{
_writer.WriteLine("<?php");
Indent();
WriteIndentation();
_writer.WriteLine($"include_once(\"../footer.php\");");
Unindent();
WriteIndentation();
_writer.WriteLine("?>");
}
}
}