redesign, broadcast server crash fix

source/account.cpp

@@ -26,6 +26,8 @@
 
 #include "account.hpp"
 #include <main.hpp>
+#include <sys/stat.h>
+#include <cstdio>
 
 static std::map<AccountUid, User> mUsers;
 
@@ -85,6 +87,41 @@ std::string Account::username(AccountUid id)
     return got->second.name;
 }
 
+std::string Account::iconPath(AccountUid id)
+{
+    char path[128];
+    snprintf(path, sizeof(path), "sdmc:/switch/NXST/cache/%016lX%016lX.jpg",
+             id.uid[0], id.uid[1]);
+
+    struct stat st;
+    if (stat(path, &st) == 0 && st.st_size > 0) return std::string(path);
+
+    mkdir("sdmc:/switch", 0755);
+    mkdir("sdmc:/switch/NXST", 0755);
+    mkdir("sdmc:/switch/NXST/cache", 0755);
+
+    AccountProfile profile;
+    if (R_FAILED(accountGetProfile(&profile, id))) return "";
+
+    u32 imgSize = 0;
+    if (R_FAILED(accountProfileGetImageSize(&profile, &imgSize)) || imgSize == 0) {
+        accountProfileClose(&profile);
+        return "";
+    }
+
+    std::vector<u8> buf(imgSize);
+    u32 outSize = 0;
+    Result r = accountProfileLoadImage(&profile, buf.data(), imgSize, &outSize);
+    accountProfileClose(&profile);
+    if (R_FAILED(r) || outSize == 0) return "";
+
+    FILE* f = fopen(path, "wb");
+    if (!f) return "";
+    fwrite(buf.data(), 1, outSize, f);
+    fclose(f);
+    return std::string(path);
+}
+
 AccountUid Account::selectAccount(void)
 {
     LibAppletArgs args;