Chore: 1.1.0

1.1.0 (2022-12-20)

New

• Validation of Metadatasets

src/AimsBackend/Controllers/MetadataController.cs

+using AimsBackend.Model;
+using AimsBackend.ReturnObjects;
 using Microsoft.AspNetCore.Mvc;
 using VDS.RDF;
-using VDS.RDF.Parsing;
 using VDS.RDF.Query;
 using VDS.RDF.Storage;
 using VDS.RDF.Update;
@@ -90,9 +91,18 @@ namespace AimsBackend.Controllers
         /// <param name="applicationProfile"></param>
         /// <param name="metadata"></param>
         [HttpPost(Name = "PostMetadata")]
-        public IActionResult Post(string? applicationProfile, [FromBody] string? metadata)
+        [ProducesResponseType(StatusCodes.Status201Created)]
+        [ProducesResponseType(StatusCodes.Status400BadRequest)]
+        public async Task<IActionResult> Post([FromQuery] string? applicationProfile, [FromBody] string? metadata)
         {
-            if (metadata == null)
+            var contentType = Request.Headers.ContentType;
+            var mimeType = "application/n-triples";
+            if (string.IsNullOrWhiteSpace(contentType))
+            {
+                mimeType = contentType;
+            }
+
+            if (applicationProfile is null || metadata is null)
             {
                 return BadRequest();
             }
@@ -104,16 +114,60 @@ namespace AimsBackend.Controllers
                 BaseUri = graphUri
             };
 
-            var nTriplesParser = new NTriplesParser();
-            nTriplesParser.Load(graph, new StringReader(metadata));
+            var parser = MimeTypesHelper.GetParser(mimeType);
+            parser.Load(graph, new StringReader(metadata));
+
+            if (graph.IsEmpty)
+            {
+                return BadRequest();
+            }
 
-            // TODO: Validate the metadata to an application profile (waiting for AIMS Api to be ready for it)
+            var validation = await ValidationModel.ValidateMetadata(applicationProfile, graph);
+            if (!validation.Valid)
+            {
+                return BadRequest();
+            }
 
             ReadWriteSparqlConnector.SaveGraph(graph);
 
             _logger.LogDebug($"Stored {graphUri}");
 
-            return Ok();
+            return Created(graphUri.AbsoluteUri, metadata);
+        }
+
+        /// <summary>
+        /// Validated metadata (application/n-triples) against a given application profile
+        /// </summary>
+        /// <param name="applicationProfile"></param>
+        /// <param name="metadata"></param>
+        [HttpPost("/validate", Name = "Validate")]
+        [ProducesResponseType(StatusCodes.Status200OK)]
+        [ProducesResponseType(StatusCodes.Status400BadRequest)]
+        public async Task<ActionResult<ValidationReturnObject>> Validate([FromQuery] string? applicationProfile, [FromBody] string? metadata)
+        {
+            var contentType = Request.Headers.ContentType;
+            var mimeType = "application/n-triples";
+            if (string.IsNullOrWhiteSpace(contentType))
+            {
+                mimeType = contentType;
+            }
+
+            if (applicationProfile is null || metadata is null)
+            {
+                return BadRequest();
+            }
+
+            var graphUri = new Uri($"{_graphPrefix}{Guid.NewGuid()}");
+
+            var graph = new Graph
+            {
+                BaseUri = graphUri
+            };
+
+            var parser = MimeTypesHelper.GetParser(mimeType);
+            parser.Load(graph, new StringReader(metadata));
+
+            return Ok(await ValidationModel.ValidateMetadata(applicationProfile, graph));
         }
     }
 }
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