diff options
1 files changed, 174 insertions, 0 deletions
| -rw-r--r-- | Utills/Kindle/Book.cpp | 174 |
diff --git a/Utills/Kindle/Book.cpp b/Utills/Kindle/Book.cpp new file mode 100644 index 0000000..8bfb050 --- /dev/null +++ b/Utills/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;
+}
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