diff --git a/VetClinic/VetClinicBusinessLogic/BusinessLogics/GuidanceLogic.cs b/VetClinic/VetClinicBusinessLogic/BusinessLogics/GuidanceLogic.cs
new file mode 100644
index 0000000..ba9c190
--- /dev/null
+++ b/VetClinic/VetClinicBusinessLogic/BusinessLogics/GuidanceLogic.cs
@@ -0,0 +1,108 @@
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.BusinessLogicsContracts;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.StoragesContracts;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicBusinessLogic.BusinessLogics
+{
+	public class GuidanceLogic : IGuidanceLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IGuidanceStorage _guidanceStorage;
+
+		public GuidanceLogic(ILogger<GuidanceLogic> logger, IGuidanceStorage guidanceStorage)
+		{
+			_logger = logger;
+			_guidanceStorage = guidanceStorage;
+		}
+
+		public GuidanceViewModel? ReadElement(GuidanceSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. Id:{ Id}", model.Id);
+			var element = _guidanceStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public List<GuidanceViewModel>? ReadList(GuidanceSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. Id:{ Id}", model?.Id);
+			var list = model == null ? _guidanceStorage.GetFullList() :
+		   _guidanceStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public bool Create(GuidanceBindingModel model)
+		{
+			CheckModel(model);
+			if (_guidanceStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Update(GuidanceBindingModel model)
+		{
+			CheckModel(model);
+			if (_guidanceStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Delete(GuidanceBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_guidanceStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+		private void CheckModel(GuidanceBindingModel model, bool withParams =
+	   true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.Text))
+			{
+				throw new ArgumentNullException("Нет текста рекомендации",
+			   nameof(model.Text));
+			}
+
+			_logger.LogInformation("Guidance. Text:{Text}.", model.Text);
+		}
+	}
+}
diff --git a/VetClinic/VetClinicBusinessLogic/BusinessLogics/MedicineLogic.cs b/VetClinic/VetClinicBusinessLogic/BusinessLogics/MedicineLogic.cs
new file mode 100644
index 0000000..ac1bf77
--- /dev/null
+++ b/VetClinic/VetClinicBusinessLogic/BusinessLogics/MedicineLogic.cs
@@ -0,0 +1,119 @@
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.BusinessLogicsContracts;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.StoragesContracts;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicBusinessLogic.BusinessLogics
+{
+	public class MedicineLogic : IMedicineLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IMedicineStorage _medicineStorage;
+		public MedicineLogic(ILogger<MedicineLogic> logger, IMedicineStorage iceCreamStorage)
+		{
+			_logger = logger;
+			_medicineStorage = iceCreamStorage;
+		}
+
+		public List<MedicineViewModel>? ReadList(MedicineSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. MedicineName:{MedicineName}. Id:{ Id}", model?.MedicineName, model?.Id);
+			var list = model == null ? _medicineStorage.GetFullList() :
+_medicineStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+		public MedicineViewModel? ReadElement(MedicineSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. MedicineName:{MedicineName}.Id:{ Id}", model.MedicineName, model.Id);
+			var element = _medicineStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(MedicineBindingModel model)
+		{
+			CheckModel(model);
+			if (_medicineStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(MedicineBindingModel model)
+		{
+			CheckModel(model);
+			if (_medicineStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Delete(MedicineBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_medicineStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(MedicineBindingModel model, bool withParams =
+true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.MedicineName))
+			{
+				throw new ArgumentNullException("Нет названия медикамента",
+			   nameof(model.MedicineName));
+			}
+			if (model.Price <= 0)
+			{
+				throw new ArgumentNullException("Цена медикамента должна быть больше 0", nameof(model.Price));
+			}
+			_logger.LogInformation("Medicine. Medicine:{MedicineName}. Price:{ Price }. Id: { Id}", model.MedicineName, model.Price, model.Id);
+			var element = _medicineStorage.GetElement(new MedicineSearchModel
+			{
+				MedicineName = model.MedicineName
+			});
+			if (element != null && element.Id != model.Id)
+			{
+				throw new InvalidOperationException("Медикамент с таким названием уже есть");
+			}
+		}
+	}
+}
diff --git a/VetClinic/VetClinicBusinessLogic/BusinessLogics/PharmacistLogic.cs b/VetClinic/VetClinicBusinessLogic/BusinessLogics/PharmacistLogic.cs
new file mode 100644
index 0000000..5050ce5
--- /dev/null
+++ b/VetClinic/VetClinicBusinessLogic/BusinessLogics/PharmacistLogic.cs
@@ -0,0 +1,123 @@
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.BusinessLogicsContracts;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.StoragesContracts;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicBusinessLogic.BusinessLogics
+{
+	public class PharmacistLogic : IPharmacistLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IPharmacistStorage _pharmacistStorage;
+		public PharmacistLogic(ILogger<PharmacistLogic> logger, IPharmacistStorage
+	   pharmacistStorage)
+		{
+			_logger = logger;
+			_pharmacistStorage = pharmacistStorage;
+		}
+		public List<PharmacistViewModel>? ReadList(PharmacistSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. PharmacistFIO:{PharmacistFIO}. Id:{ Id}", model?.PharmacistFIO, model?.Id);
+			var list = model == null ? _pharmacistStorage.GetFullList() :
+	_pharmacistStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+		public PharmacistViewModel? ReadElement(PharmacistSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. PharmacistFIO:{PharmacistFIO}.Id:{ Id}", model.PharmacistFIO, model.Id);
+			var element = _pharmacistStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+		public bool Create(PharmacistBindingModel model)
+		{
+			CheckModel(model);
+			if (_pharmacistStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Update(PharmacistBindingModel model)
+		{
+			CheckModel(model);
+			if (_pharmacistStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Delete(PharmacistBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_pharmacistStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+		private void CheckModel(PharmacistBindingModel model, bool withParams =
+	   true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.PharmacistFIO))
+			{
+				throw new ArgumentNullException("Нет ФИО клиента",
+			   nameof(model.PharmacistFIO));
+			}
+			if (string.IsNullOrEmpty(model.Email))
+			{
+				throw new ArgumentNullException("Нет Email клиента",
+			   nameof(model.Email));
+			}
+			if (string.IsNullOrEmpty(model.Password))
+			{
+				throw new ArgumentNullException("Нет пароля клиента",
+			   nameof(model.Password));
+			}
+			_logger.LogInformation("Pharmacist. PharmacistFIO:{PharmacistFIO}." +
+				"Email:{ Email}. Password:{ Password}. Id: { Id} ", model.PharmacistFIO, model.Email, model.Password, model.Id);
+			var element = _pharmacistStorage.GetElement(new PharmacistSearchModel
+			{
+				Email = model.Email,
+			});
+			if (element != null && element.Id != model.Id)
+			{
+				throw new InvalidOperationException("Клиент с таким логином уже есть");
+			}
+		}
+	}
+}
diff --git a/VetClinic/VetClinicBusinessLogic/BusinessLogics/ServiceLogic.cs b/VetClinic/VetClinicBusinessLogic/BusinessLogics/ServiceLogic.cs
new file mode 100644
index 0000000..ba326ed
--- /dev/null
+++ b/VetClinic/VetClinicBusinessLogic/BusinessLogics/ServiceLogic.cs
@@ -0,0 +1,120 @@
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.BusinessLogicsContracts;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.StoragesContracts;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicBusinessLogic.BusinessLogics
+{
+	public class ServiceLogic : IServiceLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IServiceStorage _serviceStorage;
+		public ServiceLogic(ILogger<ServiceLogic> logger, IServiceStorage serviceStorage)
+		{
+			_logger = logger;
+			_serviceStorage = serviceStorage;
+		}
+
+		public List<ServiceViewModel>? ReadList(ServiceSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. ServiceName:{ServiceName}. Id:{ Id}", model?.ServiceName, model?.Id);
+			var list = model == null ? _serviceStorage.GetFullList() :
+_serviceStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+		public ServiceViewModel? ReadElement(ServiceSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. ServiceName:{ServiceName}.Id:{ Id}", model.ServiceName, model.Id);
+			var element = _serviceStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public bool Create(ServiceBindingModel model)
+		{
+			CheckModel(model);
+			if (_serviceStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Update(ServiceBindingModel model)
+		{
+			CheckModel(model);
+			if (_serviceStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Delete(ServiceBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_serviceStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		private void CheckModel(ServiceBindingModel model, bool withParams =
+true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.ServiceName))
+			{
+				throw new ArgumentNullException("Нет названия услуги",
+			   nameof(model.ServiceName));
+			}
+			if (model.Price <= 0)
+			{
+				throw new ArgumentNullException("Цена мороженного услуги быть больше 0", nameof(model.Price));
+			}
+			_logger.LogInformation("Service. ServiceName:{ServiceName}. Price:{ Price }. Id: { Id}", model.ServiceName, model.Price, model.Id);
+			var element = _serviceStorage.GetElement(new ServiceSearchModel
+			{
+				ServiceName = model.ServiceName
+			});
+			if (element != null && element.Id != model.Id)
+			{
+				throw new InvalidOperationException("Услуга с таким названием уже есть");
+			}
+		}
+
+	}
+}
diff --git a/VetClinic/VetClinicContracts/BindingModels/GuidanceBindingModel.cs b/VetClinic/VetClinicContracts/BindingModels/GuidanceBindingModel.cs
new file mode 100644
index 0000000..bcb0639
--- /dev/null
+++ b/VetClinic/VetClinicContracts/BindingModels/GuidanceBindingModel.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicDataModels.Models;
+
+namespace VetClinicContracts.BindingModels
+{
+	public class GuidanceBindingModel : IGuidanceModel
+	{
+		public int Id { get; set; }
+		public string Text { get; set; } = string.Empty;
+		public DateTime Date { get; set; }
+		public int ServiceId { get; set; }
+	}
+}
diff --git a/VetClinic/VetClinicContracts/BindingModels/MedicineBindingModel.cs b/VetClinic/VetClinicContracts/BindingModels/MedicineBindingModel.cs
new file mode 100644
index 0000000..5abd45c
--- /dev/null
+++ b/VetClinic/VetClinicContracts/BindingModels/MedicineBindingModel.cs
@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicDataModels.Models;
+
+namespace VetClinicContracts.BindingModels
+{
+	public class MedicineBindingModel : IMedicineModel
+	{
+		public int Id { get; set; }
+		public string MedicineName { get; set; } = string.Empty;
+		public int Price { get; set; }
+		public int PharmacistId { get; set; }
+		public Dictionary<int, IAnimalModel> MedicineAnimals { get; set; } = new();
+	}
+}
diff --git a/VetClinic/VetClinicContracts/BindingModels/PharmacistBindingModel.cs b/VetClinic/VetClinicContracts/BindingModels/PharmacistBindingModel.cs
new file mode 100644
index 0000000..31a9c92
--- /dev/null
+++ b/VetClinic/VetClinicContracts/BindingModels/PharmacistBindingModel.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicDataModels.Models;
+
+namespace VetClinicContracts.BindingModels
+{
+	public class PharmacistBindingModel : IPharmacistModel
+	{
+		public int Id { get; set; }
+		public string PharmacistFIO { get; set; } = string.Empty;
+		public string Email { get; set; } = string.Empty;
+		public string Password { get; set; } = string.Empty;
+	}
+}
diff --git a/VetClinic/VetClinicContracts/BindingModels/ServiceBindingModel.cs b/VetClinic/VetClinicContracts/BindingModels/ServiceBindingModel.cs
new file mode 100644
index 0000000..2ff2fd7
--- /dev/null
+++ b/VetClinic/VetClinicContracts/BindingModels/ServiceBindingModel.cs
@@ -0,0 +1,19 @@
+using Microsoft.Identity.Client;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicDataModels.Models;
+
+namespace VetClinicContracts.BindingModels
+{
+	public class ServiceBindingModel : IServiceModel
+	{
+		public int Id { get; set; }
+		public string ServiceName { get; set; } = string.Empty;
+		public int Price { get; set; }
+		public int PharmacistId { get; set; }
+		public Dictionary<int, (IMedicineModel, int)> ServiceMedicines { get; set; } = new();
+	}
+}
diff --git a/VetClinic/VetClinicContracts/BusinessLogicsContracts/IGuidanceLogic.cs b/VetClinic/VetClinicContracts/BusinessLogicsContracts/IGuidanceLogic.cs
new file mode 100644
index 0000000..068b019
--- /dev/null
+++ b/VetClinic/VetClinicContracts/BusinessLogicsContracts/IGuidanceLogic.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicContracts.BusinessLogicsContracts
+{
+	public interface IGuidanceLogic
+	{
+		List<GuidanceViewModel>? ReadList(GuidanceSearchModel? model);
+		GuidanceViewModel? ReadElement(GuidanceSearchModel model);
+		bool Create(GuidanceBindingModel model);
+		bool Update(GuidanceBindingModel model);
+		bool Delete(GuidanceBindingModel model);
+	}
+}
diff --git a/VetClinic/VetClinicContracts/BusinessLogicsContracts/IMedicineLogic.cs b/VetClinic/VetClinicContracts/BusinessLogicsContracts/IMedicineLogic.cs
new file mode 100644
index 0000000..91e79c9
--- /dev/null
+++ b/VetClinic/VetClinicContracts/BusinessLogicsContracts/IMedicineLogic.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicContracts.BusinessLogicsContracts
+{
+	public interface IMedicineLogic
+	{
+		List<MedicineViewModel>? ReadList(MedicineSearchModel? model);
+		MedicineViewModel? ReadElement(MedicineSearchModel model);
+		bool Create(MedicineBindingModel model);
+		bool Update(MedicineBindingModel model);
+		bool Delete(MedicineBindingModel model);
+	}
+}
diff --git a/VetClinic/VetClinicContracts/BusinessLogicsContracts/IPharmacistLogic.cs b/VetClinic/VetClinicContracts/BusinessLogicsContracts/IPharmacistLogic.cs
new file mode 100644
index 0000000..6620899
--- /dev/null
+++ b/VetClinic/VetClinicContracts/BusinessLogicsContracts/IPharmacistLogic.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicContracts.BusinessLogicsContracts
+{
+	public interface IPharmacistLogic
+	{
+		List<PharmacistViewModel>? ReadList(PharmacistSearchModel? model);
+		PharmacistViewModel? ReadElement(PharmacistSearchModel model);
+		bool Create(PharmacistBindingModel model);
+		bool Update(PharmacistBindingModel model);
+		bool Delete(PharmacistBindingModel model);
+	}
+}
diff --git a/VetClinic/VetClinicContracts/BusinessLogicsContracts/IServiceLogic.cs b/VetClinic/VetClinicContracts/BusinessLogicsContracts/IServiceLogic.cs
new file mode 100644
index 0000000..ba9387b
--- /dev/null
+++ b/VetClinic/VetClinicContracts/BusinessLogicsContracts/IServiceLogic.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicContracts.BusinessLogicsContracts
+{
+	public interface IServiceLogic
+	{
+		List<ServiceViewModel>? ReadList(ServiceSearchModel? model);
+		ServiceViewModel? ReadElement(ServiceSearchModel model);
+		bool Create(ServiceBindingModel model);
+		bool Update(ServiceBindingModel model);
+		bool Delete(ServiceBindingModel model);
+	}
+}
diff --git a/VetClinic/VetClinicContracts/SearchModels/GuidanceSearchModel.cs b/VetClinic/VetClinicContracts/SearchModels/GuidanceSearchModel.cs
new file mode 100644
index 0000000..bb4e0af
--- /dev/null
+++ b/VetClinic/VetClinicContracts/SearchModels/GuidanceSearchModel.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VetClinicContracts.SearchModels
+{
+	public class GuidanceSearchModel
+	{
+		public int? Id { get; set; }
+		public string? Text { get; set; }
+		public DateTime? DateFrom { get; set; }
+		public DateTime? DateTo { get; set; }
+		public int? ServiceId { get; set; }
+	}
+}
diff --git a/VetClinic/VetClinicContracts/SearchModels/MedicineSearchModel.cs b/VetClinic/VetClinicContracts/SearchModels/MedicineSearchModel.cs
new file mode 100644
index 0000000..c7caf8e
--- /dev/null
+++ b/VetClinic/VetClinicContracts/SearchModels/MedicineSearchModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VetClinicContracts.SearchModels
+{
+	public class MedicineSearchModel
+	{
+		public int? Id { get; set; }
+		public string? MedicineName { get; set; } = string.Empty;
+		public int? PharmacistId { get; set; }
+	}
+}
diff --git a/VetClinic/VetClinicContracts/SearchModels/PharmacistSearchModel.cs b/VetClinic/VetClinicContracts/SearchModels/PharmacistSearchModel.cs
new file mode 100644
index 0000000..c505976
--- /dev/null
+++ b/VetClinic/VetClinicContracts/SearchModels/PharmacistSearchModel.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VetClinicContracts.SearchModels
+{
+	public class PharmacistSearchModel
+	{
+		public int? Id { get; set; }
+		public string? PharmacistFIO { get; set; } = string.Empty;
+		public string? Email { get; set; } = string.Empty;
+		public string? Password { get; set; } = string.Empty;
+	}
+}
diff --git a/VetClinic/VetClinicContracts/SearchModels/ServiceSearchModel.cs b/VetClinic/VetClinicContracts/SearchModels/ServiceSearchModel.cs
new file mode 100644
index 0000000..edf5d11
--- /dev/null
+++ b/VetClinic/VetClinicContracts/SearchModels/ServiceSearchModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VetClinicContracts.SearchModels
+{
+	public class ServiceSearchModel
+	{
+		public int? Id { get; set; }
+		public string? ServiceName { get; set; } = string.Empty;
+		public int? PharmacistId { get; set; }
+	}
+}
diff --git a/VetClinic/VetClinicContracts/StoragesContracts/IGuidanceStorage.cs b/VetClinic/VetClinicContracts/StoragesContracts/IGuidanceStorage.cs
new file mode 100644
index 0000000..b3d7c3e
--- /dev/null
+++ b/VetClinic/VetClinicContracts/StoragesContracts/IGuidanceStorage.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicContracts.StoragesContracts
+{
+	public interface IGuidanceStorage
+	{
+		List<GuidanceViewModel> GetFullList();
+		List<GuidanceViewModel> GetFilteredList(GuidanceSearchModel model);
+		GuidanceViewModel? GetElement(GuidanceSearchModel model);
+		GuidanceViewModel? Insert(GuidanceBindingModel model);
+		GuidanceViewModel? Update(GuidanceBindingModel model);
+		GuidanceViewModel? Delete(GuidanceBindingModel model);
+	}
+}
diff --git a/VetClinic/VetClinicContracts/StoragesContracts/IMedicineStorage.cs b/VetClinic/VetClinicContracts/StoragesContracts/IMedicineStorage.cs
new file mode 100644
index 0000000..83da44e
--- /dev/null
+++ b/VetClinic/VetClinicContracts/StoragesContracts/IMedicineStorage.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicContracts.StoragesContracts
+{
+	public interface IMedicineStorage
+	{
+		List<MedicineViewModel> GetFullList();
+		List<MedicineViewModel> GetFilteredList(MedicineSearchModel model);
+		MedicineViewModel? GetElement(MedicineSearchModel model);
+		MedicineViewModel? Insert(MedicineBindingModel model);
+		MedicineViewModel? Update(MedicineBindingModel model);
+		MedicineViewModel? Delete(MedicineBindingModel model);
+	}
+}
diff --git a/VetClinic/VetClinicContracts/StoragesContracts/IPharmacistStorage.cs b/VetClinic/VetClinicContracts/StoragesContracts/IPharmacistStorage.cs
new file mode 100644
index 0000000..49bfc6f
--- /dev/null
+++ b/VetClinic/VetClinicContracts/StoragesContracts/IPharmacistStorage.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicContracts.StoragesContracts
+{
+	public interface IPharmacistStorage
+	{
+		List<PharmacistViewModel> GetFullList();
+		List<PharmacistViewModel> GetFilteredList(PharmacistSearchModel model);
+		PharmacistViewModel? GetElement(PharmacistSearchModel model);
+		PharmacistViewModel? Insert(PharmacistBindingModel model);
+		PharmacistViewModel? Update(PharmacistBindingModel model);
+		PharmacistViewModel? Delete(PharmacistBindingModel model);
+	}
+}
diff --git a/VetClinic/VetClinicContracts/StoragesContracts/IServiceStorage.cs b/VetClinic/VetClinicContracts/StoragesContracts/IServiceStorage.cs
new file mode 100644
index 0000000..f94ac6f
--- /dev/null
+++ b/VetClinic/VetClinicContracts/StoragesContracts/IServiceStorage.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicContracts.BindingModels;
+using VetClinicContracts.SearchModels;
+using VetClinicContracts.ViewModels;
+
+namespace VetClinicContracts.StoragesContracts
+{
+	public interface IServiceStorage
+	{
+		List<ServiceViewModel> GetFullList();
+		List<ServiceViewModel> GetFilteredList(ServiceSearchModel model);
+		ServiceViewModel? GetElement(ServiceSearchModel model);
+		ServiceViewModel? Insert(ServiceBindingModel model);
+		ServiceViewModel? Update(ServiceBindingModel model);
+		ServiceViewModel? Delete(ServiceBindingModel model);
+	}
+}
diff --git a/VetClinic/VetClinicContracts/ViewModels/GuidanceViewModel.cs b/VetClinic/VetClinicContracts/ViewModels/GuidanceViewModel.cs
new file mode 100644
index 0000000..a868c55
--- /dev/null
+++ b/VetClinic/VetClinicContracts/ViewModels/GuidanceViewModel.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicDataModels.Models;
+
+namespace VetClinicContracts.ViewModels
+{
+	public class GuidanceViewModel : IGuidanceModel
+	{
+		public int Id { get; set; }
+		[DisplayName("Текст рекомендации")]
+		public string Text { get; set; } = string.Empty;
+		[DisplayName("Дата рекомендации")]
+		public DateTime Date { get; set; }
+		[DisplayName("Услуга")]
+		public string ServiceName { get; set; } = string.Empty;
+		public int ServiceId { get; set; }
+	}
+}
diff --git a/VetClinic/VetClinicContracts/ViewModels/MedicineViewModel.cs b/VetClinic/VetClinicContracts/ViewModels/MedicineViewModel.cs
new file mode 100644
index 0000000..87bdb71
--- /dev/null
+++ b/VetClinic/VetClinicContracts/ViewModels/MedicineViewModel.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicDataModels.Models;
+
+namespace VetClinicContracts.ViewModels
+{
+	public class MedicineViewModel : IMedicineModel
+	{
+		public int Id { get; set; }
+		[DisplayName("Название медикамента")]
+		public string MedicineName { get; set; } = string.Empty;
+		[DisplayName("Цена медикамента")]
+		public int Price { get; set; }
+		[DisplayName("Фармацевт")]
+		public string PharmacistFIO { get; set; } = string.Empty;
+		public int PharmacistId { get; set; }
+		public Dictionary<int, IAnimalModel> MedicineAnimals { get; set; } = new();
+	}
+}
diff --git a/VetClinic/VetClinicContracts/ViewModels/PharmacistViewModel.cs b/VetClinic/VetClinicContracts/ViewModels/PharmacistViewModel.cs
new file mode 100644
index 0000000..8f91c9f
--- /dev/null
+++ b/VetClinic/VetClinicContracts/ViewModels/PharmacistViewModel.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicDataModels.Models;
+
+namespace VetClinicContracts.ViewModels
+{
+	public class PharmacistViewModel : IPharmacistModel
+	{
+		public int Id { get; set; }
+		[DisplayName("ФИО кладовщика")]
+		public string PharmacistFIO { get; set; } = string.Empty;
+		[DisplayName("Логин (эл. почта)")]
+		public string Email { get; set; } = string.Empty;
+		[DisplayName("Пароль")]
+		public string Password { get; set; } = string.Empty;
+	}
+}
diff --git a/VetClinic/VetClinicContracts/ViewModels/ServiceViewModel.cs b/VetClinic/VetClinicContracts/ViewModels/ServiceViewModel.cs
new file mode 100644
index 0000000..4d6ec24
--- /dev/null
+++ b/VetClinic/VetClinicContracts/ViewModels/ServiceViewModel.cs
@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VetClinicDataModels.Models;
+
+namespace VetClinicContracts.ViewModels
+{
+	public class ServiceViewModel : IServiceModel
+	{
+		public int Id { get; set; }
+		[DisplayName("Название услуги")]
+		public string ServiceName { get; set; } = string.Empty;
+		[DisplayName("Цена услуги")]
+		public int Price { get; set; }
+		[DisplayName("Фармацевт")]
+		public string PharmacistFIO { get; set; } = string.Empty;
+		public int PharmacistId { get; set; }
+		public Dictionary<int, (IMedicineModel, int)> ServiceMedicines { get; set; } = new();
+	}
+}
diff --git a/VetClinic/VetClinicDataModels/Models/IGuidanceModel.cs b/VetClinic/VetClinicDataModels/Models/IGuidanceModel.cs
new file mode 100644
index 0000000..ce4e90c
--- /dev/null
+++ b/VetClinic/VetClinicDataModels/Models/IGuidanceModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VetClinicDataModels.Models
+{
+	public interface IGuidanceModel : IId
+	{
+		string Text { get; }
+		DateTime Date { get; }
+		int ServiceId { get; }
+	}
+}
diff --git a/VetClinic/VetClinicDataModels/Models/IMedicineModel.cs b/VetClinic/VetClinicDataModels/Models/IMedicineModel.cs
new file mode 100644
index 0000000..8793843
--- /dev/null
+++ b/VetClinic/VetClinicDataModels/Models/IMedicineModel.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VetClinicDataModels.Models
+{
+	public interface IMedicineModel : IId
+	{
+		string MedicineName { get; }
+		int Price { get; }
+		int PharmacistId { get; }
+		Dictionary<int, IAnimalModel> MedicineAnimals { get; }
+	}
+}
diff --git a/VetClinic/VetClinicDataModels/Models/IPharmacistModel.cs b/VetClinic/VetClinicDataModels/Models/IPharmacistModel.cs
new file mode 100644
index 0000000..4416edb
--- /dev/null
+++ b/VetClinic/VetClinicDataModels/Models/IPharmacistModel.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VetClinicDataModels.Models
+{
+	public interface IPharmacistModel : IId
+	{
+		string PharmacistFIO { get; }
+		string Email { get; }
+		string Password { get; }
+	}
+}
diff --git a/VetClinic/VetClinicDataModels/Models/IServiceModel.cs b/VetClinic/VetClinicDataModels/Models/IServiceModel.cs
new file mode 100644
index 0000000..28a7527
--- /dev/null
+++ b/VetClinic/VetClinicDataModels/Models/IServiceModel.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VetClinicDataModels.Models
+{
+	public  interface IServiceModel : IId
+	{
+		string ServiceName { get; }
+		int Price { get; }
+		int PharmacistId { get; }
+		Dictionary<int, (IMedicineModel, int)> ServiceMedicines { get; }
+	}
+}