2 files changed, 12 insertions, 1 deletions

diff --git a/oop2eindopdr/Pokedex.cpp b/oop2eindopdr/Pokedex.cpp
index b60b125..8a9defe 100644
--- a/oop2eindopdr/Pokedex.cpp
+++ b/oop2eindopdr/Pokedex.cpp
@@ -1,6 +1,7 @@
 #include <fstream>
 #include <iostream>
 #include <algorithm>
+#include <cctype>
 
 #include "CacheManager.h"
 #include "DownloadManager.h"
@@ -57,12 +58,19 @@ void Pokedex::verify_collection() {
 	cache->update_cache();
 }
 
+std::string Pokedex::lower(std::string input) {
+	std::string out(input.size(), ' ');
+	std::transform(input.begin(), input.end(), out.begin(), tolower);
+	return out;
+}
+
 std::vector<PokemonCard*> Pokedex::search_cards_by_id_local(std::string query) {
 	std::vector<PokemonCard*> out(this->cards.size());
 
 	// https://cplusplus.com/reference/algorithm/copy_if/
 	auto it = std::copy_if(this->cards.begin(), this->cards.end(), out.begin(), [&](const PokemonCard* card) {
-		return card->id.find(query) != std::string::npos || card->name.find(query) != std::string::npos;
+		return lower(card->id).find(lower(query)) != std::string::npos ||
+		       lower(card->name).find(lower(query)) != std::string::npos;
 	});
 	out.resize(std::distance(out.begin(), it));
 
diff --git a/oop2eindopdr/Pokedex.h b/oop2eindopdr/Pokedex.h
index 41cbf7c..5fc2fc9 100644
--- a/oop2eindopdr/Pokedex.h
+++ b/oop2eindopdr/Pokedex.h
@@ -32,6 +32,9 @@ private:
 	virtual std::vector<PokemonCard*> search_cards_by_id_local(std::string query);
 	virtual std::vector<PokemonCard*> search_cards_by_id_remote(std::string query);
 
+	/** @brief convert std::string to lowercase */
+	std::string lower(std::string input);
+
 public:
 	Pokedex();
 	virtual ~Pokedex();