1 files changed, 90 insertions, 0 deletions
diff --git a/src/DevHive.Services/Services/TechnologyService.cs b/src/DevHive.Services/Services/TechnologyService.cs
new file mode 100644
index 0000000..6dd6286
--- /dev/null
+++ b/src/DevHive.Services/Services/TechnologyService.cs
@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+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> CreateTechnology(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<ReadTechnologyServiceModel> 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<ReadTechnologyServiceModel>(technology);
+		}
+
+		public HashSet<ReadTechnologyServiceModel> GetTechnologies()
+		{
+			HashSet<Technology> technologies = this._technologyRepository.GetTechnologies();
+
+			return this._technologyMapper.Map<HashSet<ReadTechnologyServiceModel>>(technologies);
+		}
+		#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
+	}
+}