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1 files changed, 174 insertions, 0 deletions
| -rw-r--r-- | Utils/Kindle/Book.cpp | 174 |
diff --git a/Utils/Kindle/Book.cpp b/Utils/Kindle/Book.cpp new file mode 100644 index 0000000..96b718d --- /dev/null +++ b/Utils/Kindle/Book.cpp @@ -0,0 +1,174 @@ +#include "Book.h" +#include<iostream> + +void Book::addRating(unsigned short r, const string& name) { + if (r > 10) + return; + + int raterIndex = -1; + + for (size_t i = 0; i < ratings.getSize(); i++) { + if (name == ratings[i].getFirst()) { + raterIndex = i; + break; + } + } + + if (raterIndex != -1) + ratings[raterIndex].setSecond(r); + else { + Pair<string, unsigned> toPush(name, r); + ratings.pushBack(std::move(toPush)); + } +} + +void Book::print() const { + std::cout << title << " by: " << author << std::endl; +} + +Book::Book(const string& pAuthor, const string& pTitle) { + author = pAuthor; + title = pTitle; +} + +void Book::writeToFile(std::ofstream& outFile) const { + writeString(outFile, author); // Author + writeString(outFile, title); // Title + + // Write pages to file + int len = data.getSize(); + outFile.write((const char*)&len, sizeof(len)); + + for (size_t i = 0; i < len; i++) + data[i].writeToFile(outFile); + + // Write comments to file: + int commentsLen = comments.getSize(); + outFile.write((const char*)&commentsLen, sizeof(commentsLen)); + for (size_t i = 0; i < commentsLen; i++) + writeCommentsToFile(outFile, comments[i]); + + // Write rates to file: + int ratesCount = this->ratings.getSize(); + outFile.write((const char*)&ratesCount, sizeof(ratesCount)); + for (size_t i = 0; i < ratesCount; i++) + writeRatesToFile(outFile, ratings[i]); +} + +void Book::readFromFile(std::ifstream& inFile) { + author = readString(inFile); // Author + title = readString(inFile); // Title + + // Read pages: + int len = 0; + inFile.read((char*)&len, sizeof(len)); + + for (size_t i = 0; i < len; i++) { + data.pushBack(Page()); + data[i].readFromFile(inFile); + } + + // Read comments + int commentsLen = 0; + inFile.read((char*)&commentsLen, sizeof(commentsLen)); + + for (size_t i = 0; i < commentsLen; i++) { + Pair<string, string> toInsert = readCommentsFromFile(inFile); + comments.pushBack(std::move(toInsert)); + } + + // Read rates from file + int ratesCount = 0; + inFile.read((char*)&ratesCount, sizeof(ratesCount)); + for (size_t i = 0; i < ratesCount; i++) { + Pair<string, unsigned> toPush = readRatesFromFile(inFile); + ratings.pushBack(std::move(toPush)); + } +} + +double Book::getAvarageRating() const { + double sum = 0; + for (size_t i = 0; i < ratings.getSize(); i++) + sum += ratings[i].getSecond(); + + return sum / (double)(ratings.getSize()); +} + +void Book::write(unsigned pagesCount) { + unsigned short lines = 0; + + for (int i = 0; i < pagesCount; i++) { + std::cout << "Enter lines in page " << i + 1 << ": "; + std::cin >> lines; + std::cin.ignore(); + Page toInsert; + + toInsert.write(lines); + + data.pushBack(std::move(toInsert)); + } +} + +void Book::displayBook() const { + bool reading = true; + bool displayMenu = true; + unsigned pageNumber = 0; + + char cmd = '\0'; + unsigned pageIndex = 0; + + while (reading) { + system("cls"); + if (displayMenu) + displayHelpMenu(); + + data[pageIndex].displayPage(); + + std::cin.get(cmd); + + switch (cmd) { + case 'n': + if (pageIndex < data.getSize() - 1) + pageIndex++; + break; + case 'p': + if (pageIndex > 0) + pageIndex--; + break; + case 'h': + displayMenu = !displayMenu; + break; + case 'q': + reading = false; + break; + case '@': + std::cin >> pageNumber; + if (pageNumber >= 1 && pageNumber < data.getSize() + 1) + pageIndex = pageNumber - 1; + break; + default: + break; + } + } + system("cls"); +} + +void Book::showComments() const { + for (size_t i = 0; i < comments.getSize(); i++) + std::cout << comments[i].getFirst() << " wrote: " << comments[i].getSecond() << std::endl; +} + +void Book::showRates() const { + for (size_t i = 0; i < ratings.getSize(); i++) + std::cout << ratings[i].getFirst() << ": " << ratings[i].getSecond() << " start" << std::endl; + std::cout << std::endl; + + std::cout << "Avarage rate: " << getAvarageRating() << std::endl; +} + +void Book::displayHelpMenu() const { + std::cout << "Entered reader mode." << std::endl + << "Press n for next, p for prev." << std::endl << + "Press @ + <number> to go to that page" << std::endl << + "Press h to hide or show this menu or q to exit" << std::endl; +} |