internal string Delete(BaseModel entity)
{
if (entity == null)
{
throw new ArgumentException("The entity is null, cannot delete a null entity", nameof(entity));
}
var type = entity.GetType();
var keyProperties = Cache.KeyPropertiesCache(type).ToList();
if (!keyProperties.Any())
{
throw new ArgumentException("Entity must have at least one [Key] property");
}
var name = Cache.GetTableName(type);
var sb = new StringBuilder();
sb.Append($"delete from {name} where ");
for (var i = 0; i < keyProperties.Count; i++)
{
var property = keyProperties.ElementAt(i);
sb.Append($"{_strategy.Enclose(property.Name)} = @{property.Name}");
if (i < keyProperties.Count - 1)
{
sb.Append(" and ");
}
}
return(sb.ToString());
}
internal static (string name, string columnList, string parametersList) GetInsertParameters(BaseModel entityToInsert, QueryStrategy strategy)
{
var type = entityToInsert.GetType();
var name = GetTableName(type);
var sbColumnList = new StringBuilder(null);
var allProperties = TypePropertiesCache(type).ToList();
var identityProperties = IdentityPropertiesCache(type).ToList();
var allPropertiesExceptIndentity = allProperties.Except(identityProperties).ToList();
var index = 0;
var lst = allPropertiesExceptIndentity;
foreach (var property in lst)
{
sbColumnList.Append(strategy.Enclose(property.Name));
if (index < lst.Count - 1)
{
sbColumnList.Append(", ");
}
index++;
}
index = 0;
var sbParameterList = new StringBuilder(null);
foreach (var property in lst)
{
sbParameterList.Append($"@{property.Name}");
if (index < lst.Count - 1)
{
sbParameterList.Append(", ");
}
index++;
}
return(name, sbColumnList.ToString(), sbParameterList.ToString());
}
