fix(review_program): use style guide

1 files changed, 88 insertions, 0 deletions

diff --git a/week_1/review_program/review_program.cpp b/week_1/review_program/review_program.cpp
new file mode 100644
index 0000000..a634076
--- /dev/null
+++ b/week_1/review_program/review_program.cpp
@@ -0,0 +1,88 @@
+#include "review_program.h"
+#include "textbook.h"
+
+#include <cstdint>
+#include <iostream>
+
+auto main() -> int {
+  bool run_again = false;
+  std::vector<textbook::Textbook> textbooks;
+
+  // Loop until user is done entering textbooks
+  do {
+    review_program::textbook_input_loop_handler(textbooks);
+
+    std::cout << "Enter 1 to do another book, 0 to stop. ";
+    std::cin >> run_again;
+  } while (run_again);
+
+  // Print full purchase summary
+  review_program::full_purchase_summary(textbooks);
+
+  return 0;
+}
+
+namespace review_program {
+auto textbook_input(textbook::Textbook &textbook) -> void {
+  // Obtain and set all non-evaluated values for textbook
+  textbook.set_code(input_textbook_value<uint64_t>("Book"));
+  textbook.set_single_copy_price(input_textbook_value<double>("Price"));
+  textbook.set_number_on_hand(input_textbook_value<uint64_t>("Number on hand"));
+  textbook.set_prospective_enrollment(
+      input_textbook_value<uint64_t>("Enrollment"));
+  textbook.set_required(
+      input_textbook_value<bool>("Required (1 = required, 0 = optional)"));
+  textbook.set_used(input_textbook_value<bool>("Used (1 = used, 0 = new)"));
+}
+
+template <typename T>
+auto input_textbook_value(const std::string &message) -> T {
+  // Helper for repetitive textbook value prompts
+  T value = 0;
+
+  std::cout << message << ": ";
+  std::cin >> value;
+
+  return value;
+}
+
+auto textbook_input_loop_handler(std::vector<textbook::Textbook> &textbooks)
+    -> void {
+  // 1. Input textbook
+  // 2. Print textbook
+  // 3. Evaluate textbook needs
+  // 4. Print textbook needs
+  // 5. Add textbook to running count
+  textbook::Textbook textbook;
+
+  review_program::textbook_input(textbook);
+
+  std::cout << "---" << std::endl;
+
+  textbook.print();
+
+  std::cout << "---" << std::endl;
+
+  textbook.evaluate_needs();
+  textbook.print_needs();
+
+  std::cout << "---" << std::endl;
+
+  textbooks.push_back(textbook);
+}
+
+auto full_purchase_summary(const std::vector<textbook::Textbook> &textbooks)
+    -> void {
+  double total_for_all_books = 0.0;
+
+  // Calculate total cost for all books
+  for (const auto &textbook : textbooks) {
+    total_for_all_books += textbook.total_cost();
+  }
+
+  // Print total cost for all books and expected profits
+  std::cout << "\n---\nTotal cost for all books: $" << total_for_all_books
+            << std::endl;
+  std::cout << "Expected profit: $" << total_for_all_books * 0.2 << std::endl;
+}
+} // namespace review_program