public KeyValuePair <string, DbLiteParameter[]> ConditionalModelToSql(List <IConditionalModel> models, int beginIndex = 0)
{
if (models.IsNullOrEmpty())
{
return(new KeyValuePair <string, DbLiteParameter[]>());
}
StringBuilder builder = new StringBuilder();
List <DbLiteParameter> parameters = new List <DbLiteParameter>();
var sqlBuilder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
foreach (var model in models)
{
if (model is ConditionalModel)
{
var item = model as ConditionalModel;
var index = models.IndexOf(item) + beginIndex;
var type = index == 0 ? "" : "AND";
if (beginIndex > 0)
{
type = null;
}
string temp = " {0} {1} {2} {3} ";
string parameterName = string.Format("{0}Conditional{1}{2}", sqlBuilder.SqlParameterKeyWord, item.FieldName, index);
if (parameterName.Contains("."))
{
parameterName = parameterName.Replace(".", "_");
}
switch (item.ConditionalType)
{
case ConditionalType.Equal:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "=", parameterName);
parameters.Add(new DbLiteParameter(parameterName, GetFieldValue(item)));
break;
case ConditionalType.Like:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "LIKE", parameterName);
parameters.Add(new DbLiteParameter(parameterName, "%" + item.FieldValue + "%"));
break;
case ConditionalType.GreaterThan:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), ">", parameterName);
parameters.Add(new DbLiteParameter(parameterName, GetFieldValue(item)));
break;
case ConditionalType.GreaterThanOrEqual:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), ">=", parameterName);
parameters.Add(new DbLiteParameter(parameterName, GetFieldValue(item)));
break;
case ConditionalType.LessThan:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "<", parameterName);
parameters.Add(new DbLiteParameter(parameterName, GetFieldValue(item)));
break;
case ConditionalType.LessThanOrEqual:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "<=", parameterName);
parameters.Add(new DbLiteParameter(parameterName, GetFieldValue(item)));
break;
case ConditionalType.In:
if (item.FieldValue == null)
{
item.FieldValue = string.Empty;
}
var inValue1 = ("(" + item.FieldValue.Split(',').ToJoinSqlInVals() + ")");
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "IN", inValue1);
parameters.Add(new DbLiteParameter(parameterName, item.FieldValue));
break;
case ConditionalType.NotIn:
if (item.FieldValue == null)
{
item.FieldValue = string.Empty;
}
var inValue2 = ("(" + item.FieldValue.Split(',').ToJoinSqlInVals() + ")");
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "NOT IN", inValue2);
parameters.Add(new DbLiteParameter(parameterName, item.FieldValue));
break;
case ConditionalType.LikeLeft:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "LIKE", parameterName);
parameters.Add(new DbLiteParameter(parameterName, item.FieldValue + "%"));
break;
case ConditionalType.NoLike:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), " NOT LIKE", parameterName);
parameters.Add(new DbLiteParameter(parameterName, item.FieldValue + "%"));
break;
case ConditionalType.LikeRight:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "LIKE", parameterName);
parameters.Add(new DbLiteParameter(parameterName, "%" + item.FieldValue));
break;
case ConditionalType.NoEqual:
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "<>", parameterName);
parameters.Add(new DbLiteParameter(parameterName, item.FieldValue));
break;
case ConditionalType.IsNullOrEmpty:
builder.AppendFormat("{0} ({1}) OR ({2}) ", type, item.FieldName.ToSqlFilter() + " IS NULL ", item.FieldName.ToSqlFilter() + " = '' ");
parameters.Add(new DbLiteParameter(parameterName, item.FieldValue));
break;
case ConditionalType.IsNot:
if (item.FieldValue == null)
{
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), " IS NOT ", "NULL");
}
else
{
builder.AppendFormat(temp, type, item.FieldName.ToSqlFilter(), "<>", parameterName);
parameters.Add(new DbLiteParameter(parameterName, item.FieldValue));
}
break;
default:
break;
}
}
else
{
var item = model as ConditionalCollections;
if (item != null && item.ConditionalList.HasValue())
{
foreach (var con in item.ConditionalList)
{
var index = item.ConditionalList.IndexOf(con);
var isFirst = index == 0;
var isLast = index == (item.ConditionalList.Count - 1);
if (models.IndexOf(item) == 0 && index == 0 && beginIndex == 0)
{
builder.AppendFormat(" ( ");
}
else if (isFirst)
{
builder.AppendFormat(" {0} ( ", con.Key.ToString().ToUpper());
}
List <IConditionalModel> conModels = new List <IConditionalModel>();
conModels.Add(con.Value);
var childSqlInfo = ConditionalModelToSql(conModels, 1000 * (1 + index) + models.IndexOf(item));
if (!isFirst)
{
builder.AppendFormat(" {0} ", con.Key.ToString().ToUpper());
}
builder.Append(childSqlInfo.Key);
parameters.AddRange(childSqlInfo.Value);
if (isLast)
{
builder.Append(" ) ");
}
else
{
}
}
}
}
}
return(new KeyValuePair <string, DbLiteParameter[]>(builder.ToString(), parameters.ToArray()));
}
