lunch-rest/restaurants/suzzies.cpp

#include "../environment.hpp"
#include "restaurants.hpp"
#include "../network/network.hpp"
#include <ctime>
#include <rapidjson/document.h>

LunchRest::SuzziesRestaurant::SuzziesRestaurant() : Restaurant("https://developers.zomato.com/api/v2.1/dailymenu?res_id=18126190", "Suzzie's") {
    api_key = getEnv("ZOMATO_APIKEY");
}

int weekDay(const std::string &date_str) {
    struct tm date_tm;
    strptime(date_str.c_str(), "%Y-%m-%d %H:%M:%S", &date_tm);
    return (date_tm.tm_wday + 6) % 7;
}

void LunchRest::SuzziesRestaurant::parse() {
    rapidjson::Document json;
    Request r;
    r.addHeader("Accept: application/json");
    r.addHeader("user_key: " + api_key);
    json.Parse(r.get(_url).c_str());
    if( json.HasParseError() )
        return;
    const auto &json_menus = json["daily_menus"];
    if( !json_menus.IsArray() )
        return;
    clearMenus();
    for(size_t i = 0; i < json_menus.Size(); i++) {
        const auto &menu = json_menus[i]["daily_menu"];
        auto week_day = weekDay(menu["start_date"].GetString());
        menus[week_day].setInvalidMenu(false);
        const auto &meals = menu["dishes"];
        for(size_t j = 0; j < meals.Size(); j++) {
            const auto &meal = meals[j]["dish"];
            if(strlen(meal["price"].GetString()) != 0) {
                auto price = std::stoi(meal["price"].GetString());
                menus[week_day].addMeal(price < 100, meal["name"].GetString(), "", price);
            }
        }
    }
}