add feature to search tasks by status

Author: ColtonRandall

src/main/java/com/taskmanagerapi/controller/TaskController.java

@@ -1,6 +1,7 @@
 package com.taskmanagerapi.controller;
 
 import com.taskmanagerapi.model.Task;
+import com.taskmanagerapi.model.TaskStatus;
 import com.taskmanagerapi.service.TaskService;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
@@ -49,6 +50,12 @@ public ResponseEntity<Task> searchTaskByName(@PathVariable String name) {
                 .orElse(ResponseEntity.notFound().build());
     }
 
+    @GetMapping("/tasks/search/status/{status}")
+    public ResponseEntity<List<Task>> searchTaskByStatus(@PathVariable TaskStatus status){
+        List<Task> tasks = taskService.searchTaskByStatus(status);
+        return ResponseEntity.ok(tasks);
+    }
+
     @PatchMapping("/tasks/{id}/complete")
     public ResponseEntity<Task> completeTask(@PathVariable String id) {
         return taskService.completeTask(id)

src/main/java/com/taskmanagerapi/repository/TaskRepository.java

@@ -1,6 +1,7 @@
 package com.taskmanagerapi.repository;
 
 import com.taskmanagerapi.model.Task;
+import com.taskmanagerapi.model.TaskStatus;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -30,6 +31,13 @@ public Optional<Task> findTaskByName(String name){
             .findFirst();
     }
 
+    public List<Task> findTasksByStatus(TaskStatus status) {
+        return taskStore.values().stream()
+                .filter(task -> status.equals(task.getStatus())) // "status" first to avoid NullPointer
+                .toList();
+    }
+
+
     public void delete(String id){
         taskStore.remove(id);
     }

src/main/java/com/taskmanagerapi/service/TaskService.java

@@ -1,6 +1,7 @@
 package com.taskmanagerapi.service;
 
 import com.taskmanagerapi.model.Task;
+import com.taskmanagerapi.model.TaskStatus;
 import com.taskmanagerapi.repository.TaskRepository;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -36,6 +37,10 @@ public Optional<Task> searchTaskByName(String name){
         return taskRepository.findTaskByName(name);
     }
 
+    public List<Task> searchTaskByStatus(TaskStatus status){
+        return taskRepository.findTasksByStatus(status);
+    }
+
     public Optional<Task> completeTask(String id) {
         return taskRepository.findTaskById(id).map(task -> {
             task.setStatus(DONE);