fix: use offset date time when possible

Author: jonathanlukas

extension/client-java/src/main/java/io/camunda/tasklist/TasklistClient.java

@@ -94,8 +94,8 @@ record TaskFromSearch(
       String name,
       String taskDefinitionId,
       String processName,
-      String creationDate,
-      String completionDate,
+      OffsetDateTime creationDate,
+      OffsetDateTime completionDate,
       String assignee,
       TaskState taskState,
       Boolean isFirst,
@@ -118,8 +118,8 @@ record Task(
       String name,
       String taskDefinitionId,
       String processName,
-      String creationDate,
-      String completionDate,
+      OffsetDateTime creationDate,
+      OffsetDateTime completionDate,
       String assignee,
       TaskState taskState,
       String formKey,

extension/client-java/src/main/java/io/camunda/tasklist/TasklistClientV1.java

@@ -40,6 +40,7 @@
 import io.camunda.tasklist.generated.model.VariableResponse;
 import io.camunda.tasklist.generated.model.VariableSearchResponse;
 import io.camunda.tasklist.generated.model.VariablesSearchRequest;
+import java.time.OffsetDateTime;
 import java.util.List;
 import java.util.Optional;
 
@@ -281,8 +282,12 @@ private static TaskFromSearch toTaskFromSearch(TaskSearchResponse taskSearchResp
         taskSearchResponse.getName(),
         taskSearchResponse.getTaskDefinitionId(),
         taskSearchResponse.getProcessName(),
-        taskSearchResponse.getCreationDate(),
-        taskSearchResponse.getCompletionDate(),
+        Optional.ofNullable(taskSearchResponse.getCreationDate())
+            .map(OffsetDateTime::parse)
+            .orElse(null),
+        Optional.ofNullable(taskSearchResponse.getCompletionDate())
+            .map(OffsetDateTime::parse)
+            .orElse(null),
         taskSearchResponse.getAssignee(),
         toTaskState(taskSearchResponse.getTaskState()),
         taskSearchResponse.getIsFirst(),
@@ -330,8 +335,12 @@ private static Task toTask(TaskResponse taskSearchResponse) {
         taskSearchResponse.getName(),
         taskSearchResponse.getTaskDefinitionId(),
         taskSearchResponse.getProcessName(),
-        taskSearchResponse.getCreationDate(),
-        taskSearchResponse.getCompletionDate(),
+        Optional.ofNullable(taskSearchResponse.getCreationDate())
+            .map(OffsetDateTime::parse)
+            .orElse(null),
+        Optional.ofNullable(taskSearchResponse.getCompletionDate())
+            .map(OffsetDateTime::parse)
+            .orElse(null),
         taskSearchResponse.getAssignee(),
         toTaskState(taskSearchResponse.getTaskState()),
         taskSearchResponse.getFormKey(),

extension/client-java/src/main/java/io/camunda/tasklist/TasklistClientV2.java

@@ -14,7 +14,6 @@
 import io.camunda.tasklist.TasklistClient.TaskSearch.Sort;
 import io.camunda.tasklist.TasklistClient.TaskSearch.TaskVariable;
 import io.camunda.tasklist.exception.CompatibilityException;
-import java.time.OffsetDateTime;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -91,8 +90,8 @@ private static TaskFromSearch toTaskFromSearch(UserTask userTask) {
         String.valueOf(userTask.getProcessDefinitionKey()),
         String.valueOf(userTask.getProcessInstanceKey()),
         userTask.getTenantId(),
-        OffsetDateTime.parse(userTask.getDueDate()),
-        OffsetDateTime.parse(userTask.getFollowUpDate()),
+        (userTask.getDueDate()),
+        (userTask.getFollowUpDate()),
         userTask.getCandidateGroups(),
         userTask.getCandidateUsers(),
         variables,
@@ -119,8 +118,8 @@ private static Task toTask(UserTask userTask) {
         String.valueOf(userTask.getProcessDefinitionKey()),
         String.valueOf(userTask.getProcessInstanceKey()),
         userTask.getTenantId(),
-        OffsetDateTime.parse(userTask.getDueDate()),
-        OffsetDateTime.parse(userTask.getFollowUpDate()),
+        userTask.getDueDate(),
+        userTask.getFollowUpDate(),
         userTask.getCandidateGroups(),
         userTask.getCandidateUsers(),
         implementation,