1 files changed, 70 insertions, 0 deletions
diff --git a/src/DevHive.Services/Services/RoleService.cs b/src/DevHive.Services/Services/RoleService.cs
new file mode 100644
index 0000000..a8b8e17
--- /dev/null
+++ b/src/DevHive.Services/Services/RoleService.cs
@@ -0,0 +1,70 @@
+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.Identity.Role;
+using DevHive.Services.Models.Language;
+
+namespace DevHive.Services.Services
+{
+	public class RoleService : IRoleService
+	{
+		private readonly IRoleRepository _roleRepository;
+		private readonly IMapper _roleMapper;
+
+		public RoleService(IRoleRepository roleRepository, IMapper mapper)
+		{
+			this._roleRepository = roleRepository;
+			this._roleMapper = mapper;
+		}
+
+		public async Task<Guid> CreateRole(CreateRoleServiceModel roleServiceModel)
+		{
+			if (await this._roleRepository.DoesNameExist(roleServiceModel.Name))
+				throw new ArgumentException("Role already exists!");
+
+			Role role = this._roleMapper.Map<Role>(roleServiceModel);
+			bool success = await this._roleRepository.AddAsync(role);
+
+			if (success)
+			{
+				Role newRole = await this._roleRepository.GetByNameAsync(roleServiceModel.Name);
+				return newRole.Id;
+			}
+			else
+				return Guid.Empty;
+
+		}
+
+		public async Task<RoleServiceModel> GetRoleById(Guid id)
+		{
+			Role role = await this._roleRepository.GetByIdAsync(id)
+				?? throw new ArgumentException("Role does not exist!");
+
+			return this._roleMapper.Map<RoleServiceModel>(role);
+		}
+
+		public async Task<bool> UpdateRole(UpdateRoleServiceModel updateRoleServiceModel)
+		{
+			if (!await this._roleRepository.DoesRoleExist(updateRoleServiceModel.Id))
+				throw new ArgumentException("Role does not exist!");
+
+			if (await this._roleRepository.DoesNameExist(updateRoleServiceModel.Name))
+				throw new ArgumentException("Role name already exists!");
+
+			Role role = this._roleMapper.Map<Role>(updateRoleServiceModel);
+			return await this._roleRepository.EditAsync(updateRoleServiceModel.Id, role);
+		}
+
+		public async Task<bool> DeleteRole(Guid id)
+		{
+			if (!await this._roleRepository.DoesRoleExist(id))
+				throw new ArgumentException("Role does not exist!");
+
+			Role role = await this._roleRepository.GetByIdAsync(id);
+			return await this._roleRepository.DeleteAsync(role);
+		}
+	}
+}