server/AyaNova/Controllers/GlobalBizSettingsController.cs

@@ -177,36 +177,59 @@ namespace AyaNova.Api.Controllers
 
             if (!Authorized.HasModifyRole(HttpContext.Items, AyaType.Global))
                 return StatusCode(403, new ApiNotAuthorizedResponse());
+
+            //this is random and arbitrary but is meant as a sanity check
+            //in v7 and int identity was used for serial numbers so the maximum possible value could be 2,147,483,647
+            //assuming there is some weird edge case where people want to move beyond that max value for some reason I'm settling on a sanity check of 3 billion 3,000,000,000
+            if (nextSeed == 0 || nextSeed > 3000000000)
+                return BadRequest(new ApiErrorResponse(ApiErrorCode.VALIDATION_INVALID_VALUE, "nextSeed", "Next seed is capped at 3,000,000,000 maximum!"));
+
+            string SequenceName = string.Empty;
+            //confirm this number is not in use and set correct sequence name to alter
             switch (aType)
             {
                 case AyaType.PurchaseOrder:
+
+                    if (await ct.PurchaseOrder.AnyAsync(z => z.Serial == nextSeed))
+                        return BadRequest(new ApiErrorResponse(ApiErrorCode.VALIDATION_NOT_UNIQUE, "nextSeed"));
+                    SequenceName = "apurchaseorder_serial_seq";
                     break;
                 case AyaType.WorkOrder:
+                    if (await ct.WorkOrder.AnyAsync(z => z.Serial == nextSeed))
+                        return BadRequest(new ApiErrorResponse(ApiErrorCode.VALIDATION_NOT_UNIQUE, "nextSeed"));
+                    SequenceName = "aworkorder_serial_seq";
                     break;
                 case AyaType.Quote:
+                    if (await ct.Quote.AnyAsync(z => z.Serial == nextSeed))
+                        return BadRequest(new ApiErrorResponse(ApiErrorCode.VALIDATION_NOT_UNIQUE, "nextSeed"));
+                    SequenceName = "aquote_serial_seq";
                     break;
                 case AyaType.PM:
+                    if (await ct.PM.AnyAsync(z => z.Serial == nextSeed))
+                        return BadRequest(new ApiErrorResponse(ApiErrorCode.VALIDATION_NOT_UNIQUE, "nextSeed"));
+                    SequenceName = "apm_serial_seq";
+
                     break;
                 default:
                     return BadRequest(new ApiErrorResponse(ApiErrorCode.VALIDATION_INVALID_VALUE, "aType", "Not a serialized type"));
 
             }
+            try
+            {
+                using (var command = ct.Database.GetDbConnection().CreateCommand())
+                {
+                    command.CommandText = $"ALTER SEQUENCE {SequenceName} RESTART WITH {nextSeed};";
+                    await ct.Database.OpenConnectionAsync();
+                    await command.ExecuteNonQueryAsync();
+                    await ct.Database.CloseConnectionAsync();
+                }
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(new ApiErrorResponse(ApiErrorCode.API_SERVER_ERROR, "generalerror", ex.Message));
+            }
 
-
+            return Ok(ApiOkResponse.Response(new { AType = aType, NextSeed = nextSeed }));
-            //todo: set next seed here
-            /*
-            SELECT c.relname FROM pg_class c WHERE c.relkind = 'S';"            
-"awidget_serial_seq"
-"apurchaseorder_serial_seq"
-"aworkorder_serial_seq"
-"aquote_serial_seq"
-"apm_serial_seq"
-            */
-
-            // var o = await biz.PutAsync(updatedObject);//In future may need to return entire object, for now just concurrency token 
-            // if (o == null)
-            //     return StatusCode(409, new ApiErrorResponse(biz.Errors));
-            return Ok(ApiOkResponse.Response(new { Ok = 1 }));
         }