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/*
* Copyright (C) 2013-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include <memory>
#include <set>
#include <string>
#include <vector>
#define DATABASEQUERY_RULE_VALUE_SEPARATOR " / "
class CDatabase;
class CVariant;
class TiXmlNode;
class CDatabaseQueryRule
{
public:
CDatabaseQueryRule();
virtual ~CDatabaseQueryRule() = default;
enum SEARCH_OPERATOR
{
OPERATOR_START = 0,
OPERATOR_CONTAINS,
OPERATOR_DOES_NOT_CONTAIN,
OPERATOR_EQUALS,
OPERATOR_DOES_NOT_EQUAL,
OPERATOR_STARTS_WITH,
OPERATOR_ENDS_WITH,
OPERATOR_GREATER_THAN,
OPERATOR_LESS_THAN,
OPERATOR_AFTER,
OPERATOR_BEFORE,
OPERATOR_IN_THE_LAST,
OPERATOR_NOT_IN_THE_LAST,
OPERATOR_TRUE,
OPERATOR_FALSE,
OPERATOR_BETWEEN,
OPERATOR_END
};
enum FIELD_TYPE
{
TEXT_FIELD = 0,
REAL_FIELD,
NUMERIC_FIELD,
DATE_FIELD,
PLAYLIST_FIELD,
SECONDS_FIELD,
BOOLEAN_FIELD,
TEXTIN_FIELD
};
virtual bool Load(const TiXmlNode* node, const std::string& encoding = "UTF-8");
virtual bool Load(const CVariant& obj);
virtual bool Save(TiXmlNode* parent) const;
virtual bool Save(CVariant& obj) const;
static std::string GetLocalizedOperator(SEARCH_OPERATOR oper);
static void GetAvailableOperators(std::vector<std::string>& operatorList);
std::string GetParameter() const;
void SetParameter(const std::string& value);
void SetParameter(const std::vector<std::string>& values);
virtual std::string GetWhereClause(const CDatabase& db, const std::string& strType) const;
int m_field;
SEARCH_OPERATOR m_operator;
std::vector<std::string> m_parameter;
protected:
virtual std::string GetField(int field, const std::string& type) const = 0;
virtual FIELD_TYPE GetFieldType(int field) const = 0;
virtual int TranslateField(const char* field) const = 0;
virtual std::string TranslateField(int field) const = 0;
std::string ValidateParameter(const std::string& parameter) const;
virtual std::string FormatParameter(const std::string& negate,
const std::string& oper,
const CDatabase& db,
const std::string& type) const;
virtual std::string FormatWhereClause(const std::string& negate,
const std::string& oper,
const std::string& param,
const CDatabase& db,
const std::string& type) const;
virtual SEARCH_OPERATOR GetOperator(const std::string& type) const { return m_operator; }
virtual std::string GetOperatorString(SEARCH_OPERATOR op) const;
virtual std::string GetBooleanQuery(const std::string& negate, const std::string& strType) const
{
return "";
}
static SEARCH_OPERATOR TranslateOperator(const char* oper);
static std::string TranslateOperator(SEARCH_OPERATOR oper);
};
class CDatabaseQueryRuleCombination;
typedef std::vector<std::shared_ptr<CDatabaseQueryRule>> CDatabaseQueryRules;
typedef std::vector<std::shared_ptr<CDatabaseQueryRuleCombination>> CDatabaseQueryRuleCombinations;
class IDatabaseQueryRuleFactory
{
public:
virtual ~IDatabaseQueryRuleFactory() = default;
virtual CDatabaseQueryRule* CreateRule() const = 0;
virtual CDatabaseQueryRuleCombination* CreateCombination() const = 0;
};
class CDatabaseQueryRuleCombination
{
public:
virtual ~CDatabaseQueryRuleCombination() = default;
typedef enum
{
CombinationOr = 0,
CombinationAnd
} Combination;
void clear();
virtual bool Load(const TiXmlNode* node, const std::string& encoding = "UTF-8") { return false; }
virtual bool Load(const CVariant& obj, const IDatabaseQueryRuleFactory* factory);
virtual bool Save(TiXmlNode* parent) const;
virtual bool Save(CVariant& obj) const;
std::string GetWhereClause(const CDatabase& db, const std::string& strType) const;
std::string TranslateCombinationType() const;
Combination GetType() const { return m_type; }
void SetType(Combination combination) { m_type = combination; }
bool empty() const { return m_combinations.empty() && m_rules.empty(); }
protected:
friend class CGUIDialogSmartPlaylistEditor;
friend class CGUIDialogMediaFilter;
Combination m_type = CombinationAnd;
CDatabaseQueryRuleCombinations m_combinations;
CDatabaseQueryRules m_rules;
};
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