「✨」 feat: finished ex00

ex00/BitcoinExchange.cpp

@@ -6,14 +6,19 @@
 /*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/05/21 10:39:45 by adjoly            #+#    #+#             */
-/*   Updated: 2025/05/30 13:29:18 by adjoly           ###   ########.fr       */
+/*   Updated: 2025/06/03 11:40:22 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include <BitcoinExchange.hpp>
+#include <algorithm>
+#include <cctype>
 #include <cstddef>
 #include <cstdio>
 #include <cstdlib>
+#include <exception>
+#include <fstream>
+#include <functional>
 #include <ostream>
 #include <sstream>
 #include <stdexcept>
@@ -69,7 +74,7 @@ Date::Date(std::string date) {
 			}
 		}
 	}
-	throw std::runtime_error("Error: bad input => " + date);
+	throw std::runtime_error("bad input => " + date);
 }
 
 Date::Date(const Date &cpy)
@@ -126,7 +131,18 @@ bool Date::operator>=(const Date &other) const {
 }
 
 std::ostream &operator<<(std::ostream &os, const Date &date) {
-	os << date.getYear() << "-" << date.getMonth() << "-" << date.getDay();
+	std::stringstream month;
+	std::stringstream day;
+	if (date.getMonth() < 10)
+		month << "0" << date.getMonth();
+	else
+		month << date.getMonth();
+	if (date.getDay() < 10)
+		day << "0" << date.getDay();
+	else
+		day << date.getDay();
+
+	os << date.getYear() << "-" << month.str() << "-" << day.str();
 	return os;
 }
 
@@ -161,9 +177,11 @@ CsvParser::CsvParser(void) : _is("data.csv") {
 	}
 }
 
-CsvParser::CsvParser(const CsvParser &cpy) {
+CsvParser::CsvParser(const CsvParser &cpy) : _is(cpy._filename.c_str()) {
 	_log("➕", "CsvParser", "", "copy constructor called");
 	if (&cpy != this) {
+		_filename = cpy._filename;
+		_csv = cpy._csv;
 	}
 }
 
@@ -172,8 +190,116 @@ CsvParser::~CsvParser(void) { _log("➖", "CsvParser", "", "destructor called");
 CsvParser &CsvParser::operator=(const CsvParser &cpy) {
 	_log("➕", "CsvParser", "", "copy assignement constructor called");
 	if (&cpy != this) {
+		_csv = cpy._csv;
+		_filename = cpy._filename;
 	}
 	return *this;
 }
 
 std::map<Date, float> CsvParser::getCsv(void) const { return _csv; }
+
+BitcoinExchange::BitcoinExchange(void)
+	: _is("input.txt"), _filename("input.txt") {
+	_log("➕", "BitcoinExchange", "", "default constructor called");
+	if (!_is.is_open())
+		throw std::runtime_error("could not open file - " + _filename);
+}
+
+BitcoinExchange::BitcoinExchange(char *av) : _is(av), _filename(av) {
+	_log("➕", "BitcoinExchange", "", "file name constructor called");
+	try {
+		_csv = new CsvParser();
+	} catch (std::exception &e) {
+		throw e;
+	}
+
+	if (!_is.is_open())
+		throw std::runtime_error("could not open file - " + _filename);
+
+	std::string buf;
+
+	std::getline(_is, buf);
+	if (buf != "date | value")
+		throw std::runtime_error("file has not the good format - " + buf);
+}
+
+BitcoinExchange::BitcoinExchange(const BitcoinExchange &) {
+	_log("➕", "BitcoinExchange", "", "copy constructor called");
+}
+
+BitcoinExchange &BitcoinExchange::operator=(const BitcoinExchange &) {
+	_log("➕", "BitcoinExchange", "", "copy assignement constructor called");
+
+	return *this;
+}
+
+BitcoinExchange::~BitcoinExchange(void) {
+	_log("➖", "BitcoinExchange", "", "destructor called");
+	delete _csv;
+}
+
+void BitcoinExchange::print(void) {
+	std::pair<Date, float> pair;
+	std::getline(_is, _line);
+	while (!_line.empty()) {
+		try {
+			pair = _parseLine();
+		} catch (std::exception &e) {
+			std::cerr << "Error: " << e.what() << std::endl;
+			std::getline(_is, _line);
+			continue;
+		}
+		_printPair(pair);
+		std::getline(_is, _line);
+	}
+}
+
+std::pair<Date, float> BitcoinExchange::_parseLine(void) {
+	std::pair<Date, float> pair;
+	std::string			   buf;
+	size_t				   i;
+
+	for (i = 0;
+		 i < _line.length() && (std::isdigit(_line[i]) || _line[i] == '-');
+		 i++) {
+		buf.push_back(_line[i]);
+	}
+	try {
+		pair.first = Date(buf);
+	} catch (std::exception &e) {
+		throw std::runtime_error("bad input => " + _line);
+	}
+	if (_line[i] != ' ' || _line[i + 1] != '|' || _line[i + 2] != ' ') {
+		throw std::runtime_error("bad input => " + _line);
+	}
+	if (_line.substr(i + 3) == "0") {
+		pair.second = 0;
+	} else {
+		float f = std::atof(_line.substr(i + 3).c_str());
+		if (f == 0) {
+			throw std::runtime_error("bad input => " + _line);
+		} else if (f > 1000)
+			throw std::runtime_error("too large number.");
+		else if (f < 0)
+			throw std::runtime_error("not a positive number.");
+		pair.second = f;
+	}
+
+	return pair;
+}
+
+void BitcoinExchange::_printPair(std::pair<Date, float> pair) {
+	auto map = _csv->getCsv();
+	auto it = std::find_if(map.begin(), map.end(), CompareDate(pair.first));
+	if (it == map.end())
+		throw std::out_of_range("out of range");
+
+	float i = it->second * pair.second;
+	std::cout << pair.first << " => " << pair.second << " = " << i << std::endl;
+}
+
+CompareDate::CompareDate(Date date) : _date(date) {}
+
+bool CompareDate::operator()(const std::pair<Date, float> &pair) const {
+	return pair.first >= _date;
+}