server/Controllers/RvfController.cs

@@ -0,0 +1,90 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Routing;
+using Microsoft.Extensions.Logging;
+using Microsoft.EntityFrameworkCore;
+using System.Linq;
+using Sockeye.Models;
+using Sockeye.Api.ControllerHelpers;
+using System.ComponentModel.DataAnnotations;
+
+namespace Sockeye.Api.Controllers
+{
+    [Route("rvf")]//v8 fetch license route
+    [Produces("application/json")]
+    public class RvfController : ControllerBase
+    {
+
+        private readonly AyContext ct;
+        private readonly ILogger<RvfController> log;
+        private readonly ApiServerState serverState;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="dbcontext"></param>
+        /// <param name="logger"></param>
+        /// <param name="apiServerState"></param>  
+        public RvfController(AyContext dbcontext, ILogger<RvfController> logger, ApiServerState apiServerState)
+        {
+            ct = dbcontext;
+            log = logger;
+            serverState = apiServerState;
+        }
+
+
+        public class dtoFetchRequest
+        {
+            [Required]
+            public string DbId { get; set; }
+        }
+
+        //### RAVEN FETCH LICENSE REQUEST HERE ####
+        //This route is used by Raven to check if there is an unfetched license key and return it
+        [HttpPost]
+        public async Task<IActionResult> PostLicenseFetchRequest([FromBody] dtoFetchRequest fetchRequest)
+        {
+            if (!serverState.IsOpen)
+                return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
+
+            if (!ModelState.IsValid)
+            {
+                return BadRequest(ModelState);
+            }
+
+            string FetchRequestDbId = fetchRequest.DbId;
+            string LicenseKey = null;
+            //Get the most recent  key for this dbid regardless if fetched or not, most recent is most recent and supersedes any other keys
+            //for the same database id
+            //this means if a user requests a trial key then buys a key but both are unfetched the bought key takes precedence or vice versa
+            var license = await ct.License.OrderByDescending(z => z.Id).Where(z => z.DbId == FetchRequestDbId).FirstOrDefaultAsync();
+            if (license != null)
+            {
+                //Found a recent purchased key, if not fetched then can be sent
+                if (license.FetchedOn == null)
+                {
+                    LicenseKey = license.Key;
+                    license.FetchedOn = System.DateTime.UtcNow;
+                    await ct.SaveChangesAsync();
+                }
+            }
+
+            if (LicenseKey == null)
+            {
+                return NotFound();
+            }
+
+            return Ok(new
+            {
+                data = new
+                {
+                    key = LicenseKey
+                }
+            });
+        }
+
+        //------------
+
+
+    }//eoc
+}//eons