zv0n/lunch-rest
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Backup data for future study

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This commit is contained in:
zvon 2021-05-03 13:41:20 +02:00
parent a2b0d13f55
commit e785ca5448
1 changed files with 32 additions and 2 deletions
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34
main.cpp
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@ -4,14 +4,19 @@
#include "meal.hpp" #include "meal.hpp"
#include "restaurants/restaurants.hpp" #include "restaurants/restaurants.hpp"
#include <fstream>
#include <iostream> #include <iostream>
#include <map> #include <map>
#include <memory> #include <memory>
#include <restbed> #include <restbed>
#include <sstream> #include <sstream>
#include <time.h>
std::map<std::string, std::unique_ptr<LunchRest::Restaurant>> restaurants; std::map<std::string, std::unique_ptr<LunchRest::Restaurant>> restaurants;
std::string file_info_name = "data_backup";
struct tm last_save;
void sendResponse(const std::string &response, int status_code, const std::shared_ptr< restbed::Session > session) { void sendResponse(const std::string &response, int status_code, const std::shared_ptr< restbed::Session > session) {
session->close(status_code, response, { { "Content-Length", std::to_string(response.length()) }, { "Access-Control-Allow-Origin", "*" } }); session->close(status_code, response, { { "Content-Length", std::to_string(response.length()) }, { "Access-Control-Allow-Origin", "*" } });
} }
@ -23,7 +28,7 @@ void refresh( const std::shared_ptr< restbed::Session > session ) {
sendResponse( "Refreshed menus!", restbed::OK, session ); sendResponse( "Refreshed menus!", restbed::OK, session );
} }
void get_all( const std::shared_ptr< restbed::Session > session ) { std::string get_all_json() {
std::stringstream ss{}; std::stringstream ss{};
bool atleastonerest = false; bool atleastonerest = false;
ss << "["; ss << "[";
@ -34,7 +39,28 @@ void get_all( const std::shared_ptr< restbed::Session > session ) {
if(atleastonerest) if(atleastonerest)
ss.seekp(-1, ss.cur); ss.seekp(-1, ss.cur);
ss << "]"; ss << "]";
sendResponse(ss.str(), restbed::OK, session); return ss.str();
}
void backupData() {
time_t now = time(NULL);
struct tm *local = localtime(&now);
if(last_save.tm_year == local->tm_year && last_save.tm_mon == local->tm_mon && last_save.tm_mday == local->tm_mday)
return;
std::ofstream output_file;
output_file.open(file_info_name, std::ios_base::app);
auto write_buffer = get_all_json();
write_buffer += "\n";
output_file.write(write_buffer.c_str(), write_buffer.size());
last_save.tm_year = local->tm_year;
last_save.tm_mon = local->tm_mon;
last_save.tm_mday = local->tm_mday;
}
void get_all( const std::shared_ptr< restbed::Session > session ) {
sendResponse(get_all_json(), restbed::OK, session);
} }
void get( const std::shared_ptr< restbed::Session > session ) { void get( const std::shared_ptr< restbed::Session > session ) {
@ -106,6 +132,10 @@ int main(int argc, char **argv, char **env) {
for(auto &restaurant : restaurants) for(auto &restaurant : restaurants)
restaurant.second->parse(); restaurant.second->parse();
std::cout << "Finished parsing" << std::endl; std::cout << "Finished parsing" << std::endl;
last_save.tm_year = 0;
last_save.tm_mon = 0;
last_save.tm_mday = 0;
backupData();
restbed::Service service; restbed::Service service;