flipperzero-firmware/applications/gui/modules/validators.c

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#include <furi.h>
#include "validators.h"
#include "applications/storage/storage.h"
struct ValidatorIsFile {
const char* app_path_folder;
const char* app_extension;
};
bool validator_is_file_callback(const char* text, string_t error, void* context) {
furi_assert(context);
ValidatorIsFile* instance = context;
bool ret = true;
string_t path;
string_init_printf(path, "%s/%s%s", instance->app_path_folder, text, instance->app_extension);
Storage* storage = furi_record_open("storage");
if(storage_common_stat(storage, string_get_cstr(path), NULL) == FSE_OK) {
ret = false;
string_printf(error, "This name\nexists!\nChoose\nanother one.");
} else {
ret = true;
}
string_clear(path);
furi_record_close("storage");
return ret;
}
ValidatorIsFile*
validator_is_file_alloc_init(const char* app_path_folder, const char* app_extension) {
ValidatorIsFile* instance = furi_alloc(sizeof(ValidatorIsFile));
instance->app_path_folder = app_path_folder;
instance->app_extension = app_extension;
return instance;
}
void validator_is_file_free(ValidatorIsFile* instance) {
furi_assert(instance);
free(instance);
}