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using System;
using System.Threading.Tasks;
using AutoMapper;
using DevHive.Data.Interfaces.Repositories;
using DevHive.Data.Models;
using DevHive.Services.Interfaces;
using DevHive.Services.Models.Technology;
namespace DevHive.Services.Services
{
public class TechnologyService : ITechnologyService
{
private readonly ITechnologyRepository _technologyRepository;
private readonly IMapper _technologyMapper;
public TechnologyService(ITechnologyRepository technologyRepository, IMapper technologyMapper)
{
this._technologyRepository = technologyRepository;
this._technologyMapper = technologyMapper;
}
#region Create
public async Task<Guid> Create(CreateTechnologyServiceModel technologyServiceModel)
{
if (await this._technologyRepository.DoesTechnologyNameExistAsync(technologyServiceModel.Name))
throw new ArgumentException("Technology already exists!");
Technology technology = this._technologyMapper.Map<Technology>(technologyServiceModel);
bool success = await this._technologyRepository.AddAsync(technology);
if (success)
{
Technology newTechnology = await this._technologyRepository.GetByNameAsync(technologyServiceModel.Name);
return newTechnology.Id;
}
else
return Guid.Empty;
}
#endregion
#region Read
public async Task<CreateTechnologyServiceModel> GetTechnologyById(Guid id)
{
Technology technology = await this._technologyRepository.GetByIdAsync(id);
if (technology == null)
throw new ArgumentException("The technology does not exist");
return this._technologyMapper.Map<CreateTechnologyServiceModel>(technology);
}
#endregion
#region Update
public async Task<bool> UpdateTechnology(UpdateTechnologyServiceModel updateTechnologyServiceModel)
{
if (!await this._technologyRepository.DoesTechnologyExistAsync(updateTechnologyServiceModel.Id))
throw new ArgumentException("Technology does not exist!");
if (await this._technologyRepository.DoesTechnologyNameExistAsync(updateTechnologyServiceModel.Name))
throw new ArgumentException("Technology name already exists!");
Technology technology = this._technologyMapper.Map<Technology>(updateTechnologyServiceModel);
bool result = await this._technologyRepository.EditAsync(updateTechnologyServiceModel.Id, technology);
return result;
}
#endregion
#region Delete
public async Task<bool> DeleteTechnology(Guid id)
{
if (!await this._technologyRepository.DoesTechnologyExistAsync(id))
throw new ArgumentException("Technology does not exist!");
Technology technology = await this._technologyRepository.GetByIdAsync(id);
bool result = await this._technologyRepository.DeleteAsync(technology);
return result;
}
#endregion
}
}
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