Ivanchuk/Child refactor

OutOfSchool/OutOfSchool.WebApi.Tests/Controllers/ChildControllerTests.cs

@@ -92,6 +92,46 @@ public async Task GetChildById_WhenIdIsNotValid_ShouldReturnNull(long id)
             Assert.AreEqual(result.Value, null);
         }
 
+        [Test]
+        [TestCase(1)]
+        public async Task GetByParentId_WhenIdIsValid_ShouldReturnOkResultObject(long id)
+        {
+            // Arrange
+            service.Setup(x => x.GetAllByParent(id)).ReturnsAsync(children.Where(p => p.ParentId == id));
+
+            // Act
+            var result = await controller.GetByParentId(id).ConfigureAwait(false) as OkObjectResult;
+
+            // Assert
+            Assert.That(result, Is.Not.Null);
+            Assert.AreEqual(200, result.StatusCode);
+        }
+
+        [Test]
+        [TestCase(0)]
+        public void GetByParentId_WhenIdIsNotValid_ShouldThrowArgumentOutOfRangeException(long id)
+        {
+            // Assert
+            Assert.That(
+                async () => await controller.GetByParentId(id),
+                Throws.Exception.TypeOf<ArgumentOutOfRangeException>());
+        }
+
+        [Test]
+        [TestCase(10)]
+        public async Task GetByParentId_WhenIdIsNotValid_ShouldReturnNull(long id)
+        {
+            // Arrange
+            service.Setup(x => x.GetAllByParent(id)).ReturnsAsync(children.Where(p => p.ParentId == id));
+
+            // Act
+            var result = await controller.GetByParentId(id).ConfigureAwait(false) as NoContentResult;
+
+            // Assert
+            Assert.That(result, Is.Not.Null);
+            Assert.AreEqual(204, result.StatusCode);
+        }
+
         [Test]
         public async Task CreateChild_WhenModelIsValid_ShouldReturnCreatedAtActionResult()
         {

OutOfSchool/OutOfSchool.WebApi/Controllers/ChildController.cs

@@ -36,6 +36,7 @@ public ChildController(IChildService service, IStringLocalizer<SharedResource> l
         /// Get all children from the database.
         /// </summary>
         /// <returns>List of all children.</returns>
+        [Authorize(Roles = "admin")]
         [ProducesResponseType(StatusCodes.Status200OK)]
         [ProducesResponseType(StatusCodes.Status204NoContent)]
         [ProducesResponseType(StatusCodes.Status500InternalServerError)]
@@ -67,6 +68,29 @@ public async Task<IActionResult> GetById(long id)
             return Ok(await service.GetById(id).ConfigureAwait(false));
         }
 
+        /// <summary>
+        /// Get all children from the database by parent id.
+        /// </summary>
+        /// <param name="id">Id of Parent.</param>
+        /// <returns>List of all children.</returns>
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        [ProducesResponseType(StatusCodes.Status204NoContent)]
+        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
+        [HttpGet("{id}")]
+        public async Task<IActionResult> GetByParentId(long id)
+        {
+            this.ValidateId(id, localizer);
+
+            var children = await service.GetAllByParent(id).ConfigureAwait(false);
+
+            if (!children.Any())
+            {
+                return NoContent();
+            }
+
+            return Ok(children);
+        }
+
         /// <summary>
         /// Method for creating a new child.
         /// </summary>