Done ticket GEPAFINBE-219

src/main/java/net/gepafin/tendermanagement/util/DateTimeUtil.java

@@ -98,11 +98,19 @@ public class DateTimeUtil {
 		DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
 		return LocalDateTime.parse(dateTimeStr, formatter);
 	}
-	public static LocalDateTime parseStringToLocalDateTime(String timestampStr) {
-		// Use ISO_LOCAL_DATE_TIME to parse the input string
-		return LocalDateTime.parse(timestampStr, DateTimeFormatter.ISO_LOCAL_DATE_TIME);
+	public static LocalDateTime parseStringToLocalDateTime(String dateStr) {
+		if (dateStr == null || dateStr.isEmpty()) return null;
+
+		try {
+			return LocalDateTime.parse(dateStr, DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
+		} catch (Exception e) {
+			try {
+				return LocalDateTime.parse(dateStr, DateTimeFormatter.ISO_DATE_TIME); // fallback
+			} catch (Exception ignored) {
+			}
+		}
+		return null;
 	}
-	
 	public static String parseLocalTimeToString(LocalTime time, String format) {
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
         return time.format(formatter);

src/main/java/net/gepafin/tendermanagement/util/FileHashUtil.java

@@ -0,0 +1,40 @@
+package net.gepafin.tendermanagement.util;
+
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.DigestInputStream;
+import java.security.MessageDigest;
+
+@Component
+public class FileHashUtil {
+
+    public static String calculateSHA256(InputStream inputStream) throws IOException {
+        try {
+            MessageDigest md = MessageDigest.getInstance("SHA-256");
+
+            try (DigestInputStream dis = new DigestInputStream(inputStream, md)) {
+                byte[] buffer = new byte[8192];
+                while (dis.read(buffer) != -1) {
+                    // reading to compute hash
+                }
+            }
+
+            byte[] digest = md.digest();
+            return bytesToHex(digest);
+        } catch (Exception e) {
+            throw new RuntimeException("Could not generate hash", e);
+        }
+    }
+
+    private static String bytesToHex(byte[] bytes) {
+        StringBuilder hexString = new StringBuilder();
+        for (byte b : bytes) {
+            String hex = Integer.toHexString(0xff & b);
+            if (hex.length() == 1) hexString.append('0');
+            hexString.append(hex);
+        }
+        return hexString.toString();
+    }
+}

src/main/java/net/gepafin/tendermanagement/util/Utils.java

@@ -48,6 +48,7 @@ import net.objecthunter.exp4j.ExpressionBuilder;
 import org.apache.commons.collections4.MapUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
@@ -60,6 +61,7 @@ import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 
 import feign.FeignException;
 import io.micrometer.common.util.StringUtils;
+import org.springframework.http.MediaType;
 import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
@@ -1043,5 +1045,12 @@ public class Utils {
 		return new ArrayList<>(responseMap.values());
 	}
 
+	public static HttpHeaders getHeaders(){
+		HttpHeaders headers = new HttpHeaders();
+		headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
+		headers.setContentType(MediaType.APPLICATION_JSON);
+		headers.add(org.apache.http.HttpHeaders.USER_AGENT, "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0");
+		return headers;
+	}
 }