protected Dictionary <string, object> RetrieveObject(string[] key, Dictionary <string, Dictionary <string, Field> > fields, Dictionary <string, FilterSet> filters, List <string> tables)
{
if (key == null)
{
return(null);
}
string table = tables[0];
string sql = "SELECT ";
sql += "\"" + String.Join("\",\"", fields[table].Keys) + "\"";
sql += " FROM \"!\"";
object[] parameters = new object[] { (object)table };
if (!filters.ContainsKey(table))
{
filters[table] = new FilterSet();
}
if (filters [table].Or == null)
{
FilterSet f = filters [table];
f.Or = new List <Filter>();
filters [table] = f;
}
filters[table].Or.Add(new Filter()
{
Field = key[1], Comparator = "=", Value = key[0]
});
AddWhereFromFilters(filters[table], ref sql, ref parameters);
Dictionary <string, object> obj = null;
IDataReader reader = _db.Query(sql, parameters);
if (reader.Read())
{
obj = _db.FetchAssoc(reader);
foreach (Field field in fields[table].Values)
{
if (_db.IsBinaryType(field) && obj.ContainsKey(field.Name))
{
if (obj[field.Name] != DBNull.Value)
{
obj[field.Name] = Convert.ToBase64String((byte[])obj[field.Name]);
}
}
}
_db.Close(reader);
}
return(obj);
}
protected Dictionary <string, FilterSet> ProcessFiltersParameter(List <string> tables, string satisfy, string[] filters)
{
Dictionary <string, FilterSet> results = new Dictionary <string, FilterSet> ();
FilterSet filterSet = new FilterSet();
List <Filter> result = ConvertFilters(filters);
if (result == null)
{
return(results);
}
if (satisfy != null && satisfy.ToLower() == "any")
{
filterSet.Or = result;
}
else
{
filterSet.And = result;
}
results.Add(tables[0], filterSet);
return(results);
}
protected Dictionary<string, object> RetrieveObject(string[] key,Dictionary<string,Dictionary<string,Field>> fields,Dictionary<string,FilterSet> filters,List<string> tables)
{
if (key==null) return null;
string table = tables[0];
string sql = "SELECT ";
sql += "\""+String.Join("\",\"",fields[table].Keys)+"\"";
sql += " FROM \"!\"";
object[] parameters = new object[]{ (object)table };
if (!filters.ContainsKey(table)) filters[table] = new FilterSet();
if (filters [table].Or == null) {
FilterSet f = filters [table];
f.Or = new List<Filter>();
filters [table] = f;
}
filters[table].Or.Add(new Filter(){ Field = key[1], Comparator = "=", Value = key[0] });
AddWhereFromFilters(filters[table],ref sql,ref parameters);
Dictionary<string,object> obj = null;
IDataReader reader = _db.Query(sql,parameters);
if (reader.Read()) {
obj = _db.FetchAssoc(reader);
foreach (Field field in fields[table].Values) {
if (_db.IsBinaryType(field) && obj.ContainsKey(field.Name)) {
if (obj[field.Name]!=DBNull.Value) {
obj[field.Name] = Convert.ToBase64String ((byte[])obj[field.Name]);
}
}
}
_db.Close(reader);
}
return obj;
}
protected Dictionary<string, FilterSet> ProcessFiltersParameter(List<string> tables,string satisfy,string[] filters)
{
Dictionary<string,FilterSet> results = new Dictionary<string,FilterSet> ();
FilterSet filterSet = new FilterSet();
List <Filter> result = ConvertFilters(filters);
if (result==null) return results;
if (satisfy!=null && satisfy.ToLower () == "any") filterSet.Or = result;
else filterSet.And = result;
results.Add(tables[0],filterSet);
return results;
}
protected void AddWhereFromFilters(FilterSet filters,ref string sql,ref object[] parameters)
{
bool first = true;
List<object> parameterList = new List<object>(parameters);
if (filters.Or != null) {
first = false;
sql += " WHERE (";
for (int i=0;i<filters.Or.Count;i++) {
Filter filter = filters.Or[i];
sql += i==0?"":" OR ";
sql += "\"!\" ! ?";
parameterList.Add(filter.Field);
parameterList.Add(filter.Comparator);
parameterList.Add(filter.Value);
}
sql += ")";
}
if (filters.And != null) {
for (int i=0;i<filters.And.Count;i++) {
Filter filter = filters.And[i];
sql += first?" WHERE ":" AND ";
sql += "\"!\" ! ?";
parameterList.Add(filter.Field);
parameterList.Add(filter.Comparator);
parameterList.Add(filter.Value);
first = false;
}
}
parameters = parameterList.ToArray();
}
