feat: implemented available resumes on Back-end

JOBot.Backend/Services/gRPC/ResumeService.cs

@@ -0,0 +1,46 @@
+using Grpc.Core;
+using JOBot.Backend.DAL.Context;
+using JOBot.Proto;
+using Microsoft.EntityFrameworkCore;
+
+namespace JOBot.Backend.Services.gRPC;
+
+public class ResumeService(AppDbContext dbContext, Backend.Services.ResumeService resumeService)
+    : Proto.Resume.ResumeBase
+{
+    public override async Task<GetResumeResponse> GetResume(GetResumeRequest request, ServerCallContext context)
+    {
+        var user = await dbContext.Users.FirstOrDefaultAsync(x => x.UserId == request.UserId);
+        if (user == null)
+            throw new RpcException(new Status(StatusCode.NotFound, "User not found"));
+
+        return new GetResumeResponse { ResumeUrl = user.CvUrl };
+    }
+
+    public override async Task<GetAvailableResponse> GetAvailable(GetAvailableRequest request,
+        ServerCallContext context)
+    {
+        var response = await resumeService.GetAvailableResumes(request.UserId);
+
+        switch (response.Status)
+        {
+            case Services.ResumeService.Status.UserNotFound:
+                throw new RpcException(new Status(StatusCode.NotFound, "User not found"));
+            case Services.ResumeService.Status.Error:
+                throw new RpcException(new Status(StatusCode.Internal, "Unknown error"));
+            case Services.ResumeService.Status.Success:
+            {
+                var resp = new GetAvailableResponse();
+                resp.Resumes.AddRange(response.Resume!.ConvertAll(x => new ResumeDesc
+                {
+                    Name = x.Title,
+                    ResumeUrl = x.Url
+                }));
+
+                return resp;
+            }
+            default:
+                throw new RpcException(new Status(StatusCode.Unimplemented, "Unimplemented statement"));
+        }
+    }
+}