add endpoints for WoJS

add:
 - SetGameCurrency
 - GetDisplayNameByUserId
 - GetCommonInventoryByUserId
and some placeholders

- Reimplement Currency System (WoJS)
- Implement ``GetDisplayNameByUserId``
- Move ``GetCombinedListMessage`` To Messaging Controller
- Add More Placeholders For MMO
- ``SetScore`` Placeholder
- Add ``GetRevealIndex`` For Learning Games

Co-authored-by: Robert Paciorek <robert@opcode.eu.org>

src/Controllers/Common/ContentController.cs

@@ -273,6 +273,15 @@ public class ContentController : Controller {
         }
     }
 
+    [HttpPost]
+    [Produces("application/xml")]
+    [Route("ContentWebService.asmx/GetCommonInventoryByUserId")] // used by World Of Jumpstart (?)
+    public IActionResult GetCommonInventoryByUserId([FromForm] Guid userId, [FromForm] int ContainerId)
+    {
+        Viking? viking = ctx.Vikings.FirstOrDefault(e => e.Uid == userId);
+        return GetCommonInventory(null, viking);
+    }
+
     [HttpPost]
     [Produces("application/xml")]
     [Route("V2/ContentWebService.asmx/GetCommonInventory")]
@@ -1405,6 +1414,18 @@ public class ContentController : Controller {
         return Ok(XmlUtil.ReadResourceXmlString("displaynames"));
     }
 
+    [HttpPost]
+    [Produces("application/xml")]
+    [Route("ContentWebService.asmx/GetDisplayNameByUserId")] // used by World Of Jumpstart
+    public IActionResult GetDisplayNameByUserId([FromForm] Guid userId)
+    {
+        Viking? idViking = ctx.Vikings.FirstOrDefault(e => e.Uid == userId);
+        if (idViking is null) return Ok("???");
+
+        // return display name
+        return Ok(XmlUtil.DeserializeXml<AvatarData>(idViking.AvatarSerialized!).DisplayName);
+    }
+
     [HttpPost]
     //[Produces("application/xml")]
     [Route("ContentWebService.asmx/SetDisplayName")] // used by World Of Jumpstart
@@ -1443,6 +1464,18 @@ public class ContentController : Controller {
         return Ok(achievementService.GetUserCurrency(viking));
     }
 
+    [HttpPost]
+    [Produces("application/xml")]
+    [Route("ContentWebService.asmx/SetGameCurrency")] // used by World Of Jumpstart
+    [VikingSession]
+    public IActionResult SetUserGameCurrency(Viking viking, [FromForm] int amount)
+    {
+        achievementService.AddAchievementPoints(viking, AchievementPointTypes.GameCurrency, amount);
+
+        ctx.SaveChanges();
+        return Ok(achievementService.GetUserCurrency(viking).GameCurrency ?? 0);
+    }
+
     [HttpPost]
     [Produces("application/xml")]
     [Route("V2/ContentWebService.asmx/RerollUserItem")]
@@ -1863,6 +1896,15 @@ public class ContentController : Controller {
         return Ok(0);
     }
 
+    [HttpPost]
+    [Produces("application/xml")]
+    [Route("ContentWebService.asmx/GetRevealIndex")] // used by World Of Jumpstart (Learning Games)
+    public IActionResult GetRevealIndex()
+    {
+        // TODO - figure out proper way of doing this, if any
+        return Ok(random.Next(1, 15));
+    }
+
     private static RaisedPetData GetRaisedPetDataFromDragon (Dragon dragon, int? selectedDragonId = null) {
         if (selectedDragonId is null)
             selectedDragonId = dragon.Viking.SelectedDragonId;

src/Controllers/Common/MessagingController.cs

@@ -27,4 +27,13 @@ public class MessagingController : Controller {
         // TODO: this is a placeholder
         return Ok(false);
     }
+
+    [HttpPost]
+    [Produces("application/xml")]
+    [Route("MessageWebService.asmx/GetCombinedListMessage")]
+    public IActionResult GetCombinedListMessage()
+    {
+        // TODO - placeholder
+        return Ok(new ArrayOfMessageInfo());
+    }
 }

src/Controllers/Common/RatingController.cs

@@ -9,6 +9,15 @@ namespace sodoff.Controllers.Common;
 public class RatingController : Controller
 {
 
+    [HttpPost]
+    [Produces("application/xml")]
+    [Route("ScoreWebService.asmx/SetScore")] // used by World Of Jumpstart
+    public IActionResult SetScore()
+    {
+        // TODO - placeholder
+        return Ok(true);
+    }
+
     [HttpPost]
     [Produces("application/xml")]
     [Route("V2/Ratingwebservice.asmx/GetAverageRatingForRoom")]