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Back/Services/ServValidatinMsg.cs

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+using Back.Data.Contracts;
+using Back.Data.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace Back.Services
+{
+    public class ServValidatinMsg
+    {
+        private readonly IAsyncRepository<VerificationCode> _verificationCodeRepo;
+        public ServValidatinMsg(IAsyncRepository<VerificationCode> verificationCodeRepo)
+        {
+            _verificationCodeRepo = verificationCodeRepo;
+        }
+        public async Task<VerificationCode> GetCodeByPrm(string Prm)
+        {
+            return await _verificationCodeRepo.Get(w => w.prm == Prm).FirstOrDefaultAsync();
+
+        }
+        public async Task<VerificationCode> GetRegistrationCode(int ID)
+        {
+            return await _verificationCodeRepo.Get(w => w.ID == ID).FirstOrDefaultAsync();
+        }
+        public async Task<int> GenerateCode(VerificationCode code)
+        {
+            code.ID = Random.Shared.Next(1000, 9000);
+            while (await GetRegistrationCode(code.ID) != null)
+                code.ID = Random.Shared.Next(1000, 9000);
+
+
+           await _verificationCodeRepo.AddAsync(code);
+
+            return code.ID;
+        }
+    }
+}