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/*
* Copyright (c) 2003-2017, John Wiegley. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of New Artisans LLC nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @addtogroup math
*/
/**
* @file pool.h
* @author John Wiegley
*
* @ingroup math
*
* @brief Types for managing commodity pools
*
* Long.
*/
#ifndef _POOL_H
#define _POOL_H
#include "history.h"
#include "annotate.h"
namespace ledger {
struct cost_breakdown_t
{
amount_t amount;
amount_t final_cost;
amount_t basis_cost;
};
class commodity_pool_t : public noncopyable
{
public:
/**
* The commodities collection in commodity_pool_t maintains pointers to all
* the commodities which have ever been created by the user, whether
* explicitly by calling the create methods of commodity_pool_t, or
* implicitly by parsing a commoditized amount.
*/
typedef std::map<string, shared_ptr<commodity_t> > commodities_map;
typedef std::map<std::pair<string, annotation_t>,
shared_ptr<annotated_commodity_t> > annotated_commodities_map;
commodities_map commodities;
annotated_commodities_map annotated_commodities;
commodity_history_t commodity_price_history;
commodity_t * null_commodity;
commodity_t * default_commodity;
bool keep_base; // --base
optional<path> price_db; // --price-db=
long quote_leeway; // --leeway=
bool get_quotes; // --download
function<optional<price_point_t>
(commodity_t& commodity, const commodity_t * in_terms_of)>
get_commodity_quote;
static shared_ptr<commodity_pool_t> current_pool;
explicit commodity_pool_t();
virtual ~commodity_pool_t() {
TRACE_DTOR(commodity_pool_t);
}
commodity_t * create(const string& symbol);
commodity_t * find(const string& name);
commodity_t * find_or_create(const string& symbol);
commodity_t * alias(const string& name, commodity_t& referent);
commodity_t * create(const string& symbol,
const annotation_t& details);
commodity_t * find(const string& symbol,
const annotation_t& details);
commodity_t * find_or_create(const string& symbol,
const annotation_t& details);
commodity_t * find_or_create(commodity_t& comm, const annotation_t& details);
annotated_commodity_t * create(commodity_t& comm,
const annotation_t& details);
// Exchange one commodity for another, while recording the factored price.
void exchange(commodity_t& commodity,
const amount_t& per_unit_cost,
const datetime_t& moment);
cost_breakdown_t exchange(const amount_t& amount,
const amount_t& cost,
const bool is_per_unit = false,
const bool add_price = true,
const optional<datetime_t>& moment = none,
const optional<string>& tag = none);
// Parse commodity prices from a textual representation
optional<std::pair<commodity_t *, price_point_t> >
parse_price_directive(char * line, bool do_not_add_price = false,
bool no_date = false);
commodity_t *
parse_price_expression(const std::string& str,
const bool add_prices = true,
const optional<datetime_t>& moment = none);
};
} // namespace ledger
#endif // _POOL_H
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