Database migration, repository, controller and service

Controllers/DocumentController.cs

@@ -1,17 +0,0 @@
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Mvc;
-using PaperlessAI.Bodies;
-
-namespace PaperlessAI.Controllers
-{
-    [Route("[controller]")]
-    [ApiController]
-    public class DocumentController : ControllerBase
-    {
-        [HttpPost]
-        public ActionResult AddNewDocument([FromBody]NewDocumentBody newDocument)
-        {
-            return Ok();
-        }
-    }
-}

Controllers/PaperlessDocumentController.cs

@@ -0,0 +1,37 @@
+using Microsoft.AspNetCore.Mvc;
+using PaperlessAI.Bodies;
+using PaperlessAI.Services;
+
+namespace PaperlessAI.Controllers
+{
+    [Route("Document")]
+    [ApiController]
+    public class PaperlessDocumentController(PaperlessDocumentService documentService, ILogger<PaperlessDocumentController> logger) : ControllerBase
+    {
+        [HttpPost]
+        public async Task<ActionResult> AddNewDocument([FromBody]NewPaperlessDocumentBody newPaperlessDocumentBody)
+        {
+            logger.LogDebug($"AddNewDocument called with body: {newPaperlessDocumentBody}");
+
+            try
+            {
+                if(await documentService.Exists(newPaperlessDocumentBody.DocumentId))
+                {
+                    logger.LogWarning($"Document {newPaperlessDocumentBody.DocumentId} already exists.");
+                    return Conflict();
+                }
+
+                await documentService.Create(newPaperlessDocumentBody.DocumentId);
+                logger.LogWarning($"Document {newPaperlessDocumentBody.DocumentId} created.");
+            }
+            catch (Exception e)
+            {
+                logger.LogError(e.ToString());
+                return StatusCode(500);
+            }
+
+            logger.LogDebug($"AddNewDocument Ok!");
+            return Ok();
+        }
+    }
+}