hide solution for now

1 files changed, 1 insertions, 247 deletions

diff --git a/pract SI/week3/solution.cpp b/pract SI/week3/solution.cpp
index e61ea78..e17a56a 100644
--- a/pract SI/week3/solution.cpp
+++ b/pract SI/week3/solution.cpp
@@ -1,247 +1 @@
-#include<iostream>
-#include<fstream>
-#include<cstring>
-
-// Fix problems with strcpy in visual studio
-#pragma warning (disable : 4996)
-
-const int MAX_LENGTH   = 25;
-const char FILE_PATH[] = "offers-database.txt";
-
-// Clear std::cin
-void flushStream() {
-	std::cin.clear();
-	std::cin.ignore(255, '\n');
-}
-
-struct jobOffer {
-	char name[MAX_LENGTH];
-	int peopleCount;
-	int restDaysCount;
-	long long salary;
-};
-
-jobOffer createOffer(char name[MAX_LENGTH], int colCount, int restDays, long long salary) {
-	jobOffer toReturn;
-	strcpy(toReturn.name, name);
-	toReturn.peopleCount = colCount;
-	toReturn.restDaysCount = restDays;
-	toReturn.salary = salary;
-
-	return toReturn;
-}
-
-// Read offer from stdin
-jobOffer readOffer() {
-	std::cout << "Enter company name [max " << MAX_LENGTH << " symbols!]: ";
-	char name[MAX_LENGTH];
-	int colCount = 0;
-	int restDays = 0;
-	long long salary = 0;
-
-	std::cin.getline(name, MAX_LENGTH, '\n');
-
-	std::cout << "Add colleague count: ";
-
-	std::cin >> colCount;
-	std::cout << "Add rest days: ";
-	std::cin >> restDays;
-	std::cout << "Add salary: ";
-	std::cin >> salary;
-
-	flushStream();
-	return createOffer(name, colCount, restDays, salary);
-}
-
-void saveOfferToFile(std::ofstream& outFile, const jobOffer& offer) {
-	/*int size = strlen(offer.name);
-	outFile.write((const char*)&size, sizeof(int));
-
-	outFile.write(offer.name, size * sizeof(char));
-
-	outFile.write((const char*)(&offer.peopleCount), sizeof(offer.peopleCount));
-
-	outFile.write((const char*)(&offer.restDaysCount), sizeof(offer.restDaysCount));
-
-	outFile.write((const char*)(&offer.salary), sizeof(offer.salary));*/
-	outFile.write((const char*)&offer, sizeof(offer));
-}
-
-void drawLine(int length) {
-	for (int i = 0; i < length + 13; i++)
-		std::cout << '-';
-	std::cout << std::endl;
-}
-
-void printOffer(const jobOffer& j) {
-	int nameLen = strlen(j.name);
-	drawLine(nameLen);
-	std::cout << "Company name: " << j.name <<
-		"\nPeople in team: " << j.peopleCount << 
-		"\nRest days: " << j.restDaysCount << 
-		"\nSalary: " << j.salary << std::endl;
-	drawLine(nameLen);
-	std::cout << std::endl;
-}
-
-void readOffer(std::ifstream& inFile, jobOffer& toRead) {
-	/*int length = 0;
-	inFile.read((char*)&length, sizeof(length));
-	inFile.read(toRead.name, length);
-	toRead.name[length] = '\0';
-
-	inFile.read((char*)&toRead.peopleCount, sizeof(toRead.peopleCount));
-	inFile.read((char*)&toRead.restDaysCount, sizeof(toRead.restDaysCount));
-	inFile.read((char*)&toRead.salary, sizeof(toRead.salary));*/
-	inFile.read((char*)&toRead, sizeof(toRead));
-}
-
-void addOffers(const char* filePath, int n) {
-	std::ofstream outFile(filePath, std::ios::binary | std::ios::app);
-
-	if (!outFile) {
-		std::cerr << "Problem with oppening file " << filePath;
-		return;
-	}
-
-	for (int i = 0; i < n; i++) {
-		jobOffer toWrite = readOffer();
-		saveOfferToFile(outFile, toWrite);
-	}
-
-	outFile.close();
-}
-
-void filterOffers(const char* filePath, long long minSalary) {
-	std::ifstream inFile(filePath, std::ios::binary);
-
-	if (!inFile) {
-		std::cerr << "Error";
-		return;
-	}
-
-	// Same as !inFile.eof()
-	while (inFile) {
-		jobOffer toRead;
-		readOffer(inFile, toRead);
-		if (!inFile)
-			break;
-		if (toRead.salary >= minSalary)
-			printOffer(toRead);
-	}
-
-	inFile.close();
-}
-
-bool searchOffer(const char* filePath, const char* name) {
-	std::ifstream inFile(filePath, std::ios::binary);
-
-	if (!inFile) {
-		std::cerr << "Error";
-		return false;
-	}
-
-	while (inFile) {
-		jobOffer toRead;
-		readOffer(inFile, toRead);
-		if (!inFile)
-			break;
-		if (!strcmp(toRead.name, name)) {
-			inFile.close();
-			return true;
-		}
-	}
-
-	inFile.close();
-	return false;
-}
-
-bool isPerfect(const jobOffer& j, int maxCoworkers, int minVacancyDays, int minSalary) {
-	return j.peopleCount <= maxCoworkers && j.restDaysCount >= minVacancyDays && j.salary >= minSalary;
-}
-
-void saveOfferToTextFile(std::ofstream& outFile, const jobOffer& j) {
-	outFile << j.name << " " << j.peopleCount << " " << j.restDaysCount << " " << j.salary << std::endl;
-}
-
-void perfectOffer(const char* filePath, int maxCoworkers, int minVacancyDays, int minSalary) {
-	std::ifstream inFile(filePath, std::ios::binary);
-	std::ofstream outFile("perfect.txt", std::ios::app);
-
-	if (!inFile) {
-		std::cerr << "Error";
-		return;
-	}
-
-	while (inFile) {
-		jobOffer toRead;
-		readOffer(inFile, toRead);
-		if (!inFile)
-			break;
-		if (isPerfect(toRead, maxCoworkers, minVacancyDays, minSalary))
-			saveOfferToTextFile(outFile, toRead);
-	}
-
-	inFile.close();
-}
-
-void printAll(const char* filePath) {
-	std::ifstream inFile(filePath, std::ios::binary);
-
-	if (!inFile) {
-		std::cerr << "Error";
-		return;
-	}
-
-	// eq to !inFile.eof()
-	while (inFile) {
-		jobOffer toRead;
-		readOffer(inFile, toRead);
-		if (!inFile)
-			break;
-		printOffer(toRead);
-	}
-
-	inFile.close();
-}
-
-void runSystem(const char* filePath = FILE_PATH) {
-	bool running = true;
-	while (running) {
-		char c;
-		std::cin.get(c);
-
-		switch (c) {
-		case 'a':
-			flushStream();
-			addOffers(filePath, 1);
-			break;
-		case 'f':
-			long long salary;
-			std::cin >> salary;
-			filterOffers(filePath, salary);
-			break;
-		case 's':
-			flushStream();
-			char name[MAX_LENGTH];
-			std::cin.getline(name, MAX_LENGTH, '\n');
-			if (searchOffer(filePath, name))
-				std::cout << "Offer exist\n";
-			else
-				std::cout << "No such offer\n";
-			break;
-		case 'q':
-			running = false;
-			break;
-		case 'i':
-			printAll(filePath);
-			break;
-		default:
-			break;
-		}
-	}
-}
-
-int main() {
-	runSystem();
-}
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