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Kreta.BusinessLogic/Classes/MobileApi/Common/Co/DefaultConnectionParameters.cs

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+using System;
+using System.Data;
+using System.Runtime.Caching;
+using Kreta.DataAccessManual;
+
+namespace Kreta.BusinessLogic.Classes.MobileApi.Common.Co
+{
+    public class DefaultConnectionParameters
+    {
+        private class IntezmenyAdatok
+        {
+            public int TanevId { get; set; }
+
+            public int IntezmenyId { get; set; }
+
+            public string IntezmenyNev { get; set; }
+        }
+
+        public string IntezmenyAzonosito { get; }
+
+        public int TanevId { get; }
+
+        public int IntezmenyId { get; }
+
+        public string IntezmenyNev { get; }
+
+        public int FelhasznaloId { get; }
+
+        public DefaultConnectionParameters(MobileUser mobileUser)
+        {
+            this.FelhasznaloId = mobileUser.ActualUserId;
+            this.IntezmenyAzonosito = mobileUser.InstituteCode;
+            this.TanevId = mobileUser.SchoolYearId;
+            var intezmenyAdatok = GetIntezmenyAdatokFromCache();
+            this.IntezmenyId = intezmenyAdatok.IntezmenyId;
+            this.IntezmenyNev = intezmenyAdatok.IntezmenyNev;
+        }
+
+        private IntezmenyAdatok GetIntezmenyAdatokFromCache()
+        {
+            var cache = MemoryCache.Default;
+            string cacheKey = $"{IntezmenyAzonosito}_mobileIntezmenyAdatok";
+            var intezmenyAdatok = cache[cacheKey] as IntezmenyAdatok;
+            if (intezmenyAdatok == null)
+            {
+                intezmenyAdatok = GetIntezmenyAdatok();
+
+                var policy = new CacheItemPolicy
+                {
+                    AbsoluteExpiration = new DateTimeOffset(DateTime.Now.AddMinutes(20))
+                };
+
+                cache.Set(cacheKey, intezmenyAdatok, policy);
+            }
+
+            return intezmenyAdatok;
+        }
+
+        private IntezmenyAdatok GetIntezmenyAdatok()
+        {
+            return Dal.MobileConnection.Run(IntezmenyAzonosito, TanevId, h =>
+            {
+                var intezmenyAdatok = h.IntezmenyDal().GetIntezmenyIdAndNevByAzonosito(IntezmenyAzonosito);
+                var returnIntezmenyAdatokObject = new IntezmenyAdatok
+                {
+                    IntezmenyId = intezmenyAdatok.Tables[0].Rows[0].Field<int>("Id"),
+                    IntezmenyNev = intezmenyAdatok.Tables[0].Rows[0].Field<string>("Nev")
+                };
+
+                return returnIntezmenyAdatokObject;
+            }, FelhasznaloId);
+        }
+    }
+}

Kreta.BusinessLogic/Classes/MobileApi/Common/Co/MobileUser.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Kreta.BusinessLogic.Classes.MobileApi.Common.Enum;
+
+namespace Kreta.BusinessLogic.Classes.MobileApi.Common.Co
+{
+    public class MobileUser
+    {
+        const int MinimumIdentifierValue = 1;
+
+        public string InstituteCode { get; }
+
+        public int UserId { get; }
+
+        public int? TutelaryId { get; }
+
+        public int ActualUserId => this.TutelaryId ?? this.UserId;
+
+        public int SchoolYearId { get; }
+
+        public IEnumerable<MobileUserRole> Roles { get; }
+
+        public MobileUser(string instituteCode, int userId, int? tutelaryId, IEnumerable<MobileUserRole> roles, int schoolYearId)
+        {
+            if (string.IsNullOrWhiteSpace(instituteCode))
+            {
+                throw new ArgumentException($"{nameof(instituteCode)} cannot be null or whitespace");
+            }
+
+            this.InstituteCode = instituteCode;
+
+            if (userId < MinimumIdentifierValue)
+            {
+                throw new ArgumentException($"{nameof(userId)} must be greater or equal to {MinimumIdentifierValue}");
+            }
+
+            this.UserId = userId;
+
+            if (roles == null)
+            {
+                throw new ArgumentNullException(nameof(roles));
+            }
+
+            if (!roles.Any())
+            {
+                throw new ArgumentException($"User \"{instituteCode}/{userId}\" must have at least one role");
+            }
+
+            this.Roles = roles;
+
+            if (tutelaryId != null)
+            {
+                if (tutelaryId < MinimumIdentifierValue)
+                {
+                    throw new ArgumentException($"{nameof(tutelaryId)} must be greater or equal to {MinimumIdentifierValue}");
+                }
+
+                if (!roles.Contains(MobileUserRole.Tutelary))
+                {
+                    throw new ArgumentException($"{nameof(roles)} must contain {MobileUserRole.Tutelary} because {nameof(tutelaryId)} is not null");
+                }
+            }
+
+            this.TutelaryId = tutelaryId;
+            this.SchoolYearId = schoolYearId;
+        }
+    }
+}
+

Kreta.BusinessLogic/Classes/MobileApi/Common/Enum/MobileUserRole.cs

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+namespace Kreta.BusinessLogic.Classes.MobileApi.Common.Enum
+{
+    public enum MobileUserRole
+    {
+        Student,
+        Tutelary,
+        Teacher
+    }
+}