[chore] update version format

src/version_checker/version_checker.cpp

@@ -12,11 +12,15 @@
 #include <iostream>
 #include <nlohmann/json.hpp>
 #include <sstream>
+#include <string>
+#include <vector>
 
 using json = nlohmann::json;
 
 namespace crossdesk {
 
+static std::string latest_release_date_ = "";
+
 std::string ExtractNumericPart(const std::string& ver) {
   size_t start = 0;
   while (start < ver.size() && !std::isdigit(ver[start])) start++;
@@ -39,6 +43,39 @@ std::vector<int> SplitVersion(const std::string& ver) {
   return nums;
 }
 
+// extract date from version string (format: v1.2.3-20251113-abc
+// or 1.2.3-20251113-abc)
+std::string ExtractDateFromVersion(const std::string& version) {
+  size_t dash1 = version.find('-');
+  if (dash1 != std::string::npos) {
+    size_t dash2 = version.find('-', dash1 + 1);
+    if (dash2 != std::string::npos) {
+      std::string date_part = version.substr(dash1 + 1, dash2 - dash1 - 1);
+
+      bool is_date = true;
+      for (char c : date_part) {
+        if (!std::isdigit(c)) {
+          is_date = false;
+          break;
+        }
+      }
+      if (is_date) {
+        // convert YYYYMMDD to YYYY-MM-DD
+        return date_part.substr(0, 4) + "-" + date_part.substr(4, 2) + "-" +
+               date_part.substr(6, 2);
+      }
+    }
+  }
+  return "";
+}
+
+// compare two dates in YYYY-MM-DD format
+bool IsNewerDate(const std::string& date1, const std::string& date2) {
+  if (date1.empty() || date2.empty()) return false;
+  // simple string comparison works for ISO date format (YYYY-MM-DD)
+  return date2 > date1;
+}
+
 bool IsNewerVersion(const std::string& current, const std::string& latest) {
   auto v1 = SplitVersion(ExtractNumericPart(current));
   auto v2 = SplitVersion(ExtractNumericPart(latest));
@@ -51,6 +88,44 @@ bool IsNewerVersion(const std::string& current, const std::string& latest) {
     if (v2[i] > v1[i]) return true;
     if (v2[i] < v1[i]) return false;
   }
+
+  // if versions are equal, compare by release date
+  if (!latest_release_date_.empty()) {
+    // try to extract date from current version string
+    std::string current_date = ExtractDateFromVersion(current);
+    if (!current_date.empty()) {
+      return IsNewerDate(current_date, latest_release_date_);
+    } else {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+bool IsNewerVersionWithDate(const std::string& current_version,
+                            const std::string& current_date,
+                            const std::string& latest_version,
+                            const std::string& latest_date) {
+  // compare versions
+  auto v1 = SplitVersion(ExtractNumericPart(current_version));
+  auto v2 = SplitVersion(ExtractNumericPart(latest_version));
+
+  size_t len = std::max(v1.size(), v2.size());
+  v1.resize(len, 0);
+  v2.resize(len, 0);
+
+  for (size_t i = 0; i < len; ++i) {
+    if (v2[i] > v1[i]) return true;
+    if (v2[i] < v1[i]) return false;
+  }
+
+  // if versions are equal, compare by release date
+  if (!current_date.empty() && !latest_date.empty()) {
+    return IsNewerDate(current_date, latest_date);
+  }
+
+  // if dates are not available, versions are equal
   return false;
 }
 
@@ -64,17 +139,27 @@ std::string CheckUpdate() {
     if (res->status == 200) {
       try {
         auto j = json::parse(res->body);
-        std::string latest = j["latest_version"];
+        std::string latest = j["version"];
+        if (j.contains("releaseDate") && j["releaseDate"].is_string()) {
+          latest_release_date_ = j["releaseDate"];
+        } else {
+          latest_release_date_ = "";
+        }
         return latest;
       } catch (std::exception&) {
+        latest_release_date_ = "";
         return "";
       }
     } else {
+      latest_release_date_ = "";
       return "";
     }
   } else {
+    latest_release_date_ = "";
     return "";
   }
 }
+
+std::string GetLatestReleaseDate() { return latest_release_date_; }
 }  // namespace crossdesk
 #endif