[Provider] Setup provider (#1378)

src/Api/Controllers/ProvidersController.cs

@@ -0,0 +1,70 @@
+using System;
+using System.Threading.Tasks;
+using Bit.Core.Context;
+using Bit.Core.Exceptions;
+using Bit.Core.Models.Api;
+using Bit.Core.Repositories;
+using Bit.Core.Services;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Bit.Api.Controllers
+{
+    [Route("providers")]
+    [Authorize("Application")]
+    public class ProvidersController : Controller
+    {
+        private readonly IUserService _userService;
+        private readonly IProviderRepository _providerRepository;
+        private readonly IProviderService _providerService;
+        private readonly ICurrentContext _currentContext;
+
+        public ProvidersController(IUserService userService, IProviderRepository providerRepository,
+            IProviderService providerService, ICurrentContext currentContext)
+        {
+            _userService = userService;
+            _providerRepository = providerRepository;
+            _providerService = providerService;
+            _currentContext = currentContext;
+        }
+        
+        [HttpGet("{id:guid}")]
+        public async Task<ProviderResponseModel> Get(Guid id)
+        {
+            if (!_currentContext.ProviderUser(id))
+            {
+                throw new NotFoundException();
+            }
+
+            var provider = await _providerRepository.GetByIdAsync(id);
+            if (provider == null)
+            {
+                throw new NotFoundException();
+            }
+
+            return new ProviderResponseModel(provider);
+        }
+        
+        [HttpPost("{id:guid}/setup")]
+        public async Task<ProviderResponseModel> Setup(Guid id, [FromBody]ProviderSetupRequestModel model)
+        {
+            if (!_currentContext.ProviderProviderAdmin(id))
+            {
+                throw new NotFoundException();
+            }
+
+            var provider = await _providerRepository.GetByIdAsync(id);
+            if (provider == null)
+            {
+                throw new NotFoundException();
+            }
+            
+            var userId = _userService.GetProperUserId(User).Value;
+            
+            var response =
+                await _providerService.CompleteSetupAsync(model.ToProvider(provider), userId, model.Token, model.Key);
+
+            return new ProviderResponseModel(response);
+        }
+    }
+}