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using System.Text;
using Dapper;
namespace CrupestApi.Commons.Crud;
public class UpdateItem
{
public UpdateItem(string columnName, object? value)
{
ColumnName = columnName;
Value = value;
}
public string ColumnName { get; set; }
public object? Value { get; set; }
}
// TODO: Continue...
public class UpdateClause
{
public List<UpdateItem> Items { get; } = new List<UpdateItem>();
public UpdateClause(IEnumerable<UpdateItem> items)
{
Items.AddRange(items);
}
public UpdateClause(params UpdateItem[] items)
{
Items.AddRange(items);
}
public UpdateClause Add(params UpdateItem[] items)
{
Items.AddRange(items);
return this;
}
public UpdateClause Add(string column, object? value)
{
return Add(new UpdateItem(column, value));
}
public static UpdateClause Create(params UpdateItem[] items)
{
return new UpdateClause(items);
}
public List<string> GetRelatedColumns()
{
return Items.Select(i => i.ColumnName).ToList();
}
public string GenerateSql(DynamicParameters parameters)
{
StringBuilder result = new StringBuilder();
foreach (var item in Items)
{
if (result.Length > 0)
{
result.Append(", ");
}
var parameterName = parameters.AddRandomNameParameter(item.Value);
result.Append($"{item.ColumnName} = @{parameterName}");
}
return result.ToString();
}
}
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