72 lines
1.3 KiB
C++
72 lines
1.3 KiB
C++
#include <crow.h>
|
|
#include <crow/app.h>
|
|
|
|
#include <fstream>
|
|
|
|
#include "csv.h"
|
|
|
|
#define BOOK_FILENAME "books.csv"
|
|
|
|
std::string book_vec_to_json(std::vector<std::string> headers, std::vector<std::string> book)
|
|
{
|
|
int i;
|
|
std::string out = "{";
|
|
for (i = 0; i < book.size(); i++) {
|
|
out += "\"" + headers[i] + "\":";
|
|
out += "\"" + book[i] + "\",";
|
|
}
|
|
return out + "}";
|
|
|
|
}
|
|
|
|
std::string get_all_books()
|
|
{
|
|
std::ifstream file;
|
|
int file_exists;
|
|
std::string line, total_lines;
|
|
std::vector<std::string> book_vec;
|
|
std::vector<std::string> header_vec;
|
|
|
|
file.open(BOOK_FILENAME);
|
|
|
|
if (!file.good()) {
|
|
fprintf(stderr, "Theres no books available!\n");
|
|
return "No books saved!";
|
|
}
|
|
|
|
std::getline(file, line);
|
|
|
|
// this contains the headers so that we can fill the json file
|
|
header_vec = get_csv_as_vector(line);
|
|
|
|
|
|
total_lines = "{";
|
|
while (std::getline(file, line)) {
|
|
book_vec = get_csv_as_vector(line);
|
|
total_lines += book_vec_to_json(header_vec, book_vec) + ",";
|
|
}
|
|
|
|
return total_lines + "}";
|
|
}
|
|
|
|
std::string print_hello()
|
|
{
|
|
return "Hello, world!";
|
|
}
|
|
|
|
int main()
|
|
{
|
|
crow::SimpleApp app;
|
|
|
|
CROW_ROUTE(app, "/")([](){
|
|
return crow::response(print_hello());
|
|
});
|
|
|
|
CROW_ROUTE(app, "/books")([](){
|
|
return crow::response(get_all_books());
|
|
});
|
|
|
|
app.port(18080).run();
|
|
|
|
}
|