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#include "postgresHandler.h"
#include <iostream>
#include <regex>
#include <stdexcept>
#define INT_INDEX 2
#define STRING_INDEX 3
#define LIST_OF_INT_INDEX 4
#define NULL_INDEX 5
const pqxx::result execute_query(pqxx::work &t_transaction,
std::string_view t_query) {
return t_transaction.exec(t_query);
}
void display_query_result(const pqxx::result &t_r) {
const int nb_columns = t_r.columns();
for (const auto &row : t_r) {
for (int i = 0; i < nb_columns; i++) {
std::cout << row[i].c_str() << " | ";
}
std::cout << std::endl;
}
}
static const unsigned int
get_type_of_regex_iterator(const std::sregex_iterator &t_sregex_it) {
std::array<int, 4> types{INT_INDEX, STRING_INDEX, LIST_OF_INT_INDEX,
NULL_INDEX};
for (const int &type : types) {
if ((*t_sregex_it)[type] != "") {
return type;
}
}
throw std::invalid_argument("regex iterator input is invalid");
}
const std::string format_json_value_to_sql(const unsigned int &t_type_index,
const std::string &t_json_value) {
switch (t_type_index) {
case INT_INDEX:
case STRING_INDEX:
return t_json_value;
case NULL_INDEX:
return "NULL";
case LIST_OF_INT_INDEX: {
std::string json_copy = t_json_value;
*json_copy.begin() = '(';
*std::prev(json_copy.end()) = ')';
return json_copy;
}
default:
throw std::invalid_argument("type index is invalid: ");
}
}
void add_cards_to_database(const std::string &t_cards, pqxx::work &t_tx) {
// TODO: to complete
std::regex key_regex(
"\"[^\"?]+\":(([0-9]+)|(\"[^\"?]*\")|(\\[[0-9,]*\\])|(null))");
auto words_begin =
std::sregex_iterator(t_cards.begin(), t_cards.end(), key_regex);
auto words_end = std::sregex_iterator();
if (words_begin != words_end) {
std::string insert_query("INSERT INTO cards (id, collectible, slug, "
"class_id, multi_class_ids, "
"card_type_id, card_set_id, rarity_id, "
"artist_name, health, attack, "
"mana_cost, name, text, image, image_gold, "
"flavor_text, crop_image, "
"keyword_ids, is_zilliax_functional_module, "
"is_zilliax_cosmetic_module) VALUES (");
// std::prev(words_end) before
for (auto it = words_begin; it != words_end; ++it) {
const unsigned int type_index = get_type_of_regex_iterator(it);
// TODO: format info depending on type_index then add it to
// insert_query
insert_query.append(
format_json_value_to_sql(type_index, (*it)[type_index].str()) +
", ");
}
*std::prev(insert_query.end()) = ';';
*std::prev(insert_query.end(), 2) = ')';
std::cout << insert_query << std::endl;
execute_query(t_tx, insert_query);
}
}
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