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using System;
using System.Threading.Tasks;
using DevHive.Common.Models.Misc;
using DevHive.Data.Interfaces.Repositories;
using DevHive.Data.Models;
using Microsoft.EntityFrameworkCore;
namespace DevHive.Data.Repositories
{
public class PostRepository : BaseRepository, IPostRepository
{
private readonly DevHiveContext _context;
public PostRepository(DevHiveContext context)
{
this._context = context;
}
//Create
public async Task<bool> AddAsync(Post post)
{
await this._context
.Set<Post>()
.AddAsync(post);
return await this.SaveChangesAsync(this._context);
}
public async Task<bool> AddCommentAsync(Comment entity)
{
await this._context
.Set<Comment>()
.AddAsync(entity);
return await this.SaveChangesAsync(this._context);
}
//Read
public async Task<Post> GetByIdAsync(Guid id)
{
return await this._context
.Set<Post>()
.FindAsync(id);
}
public async Task<Post> GetPostByIssuerAndTimeCreatedAsync(Guid issuerId, DateTime timeCreated)
{
return await this._context.Posts
.FirstOrDefaultAsync(p => p.IssuerId == issuerId &&
p.TimeCreated == timeCreated);
}
public async Task<Comment> GetCommentByIdAsync(Guid id)
{
return await this._context
.Set<Comment>()
.FindAsync(id);
}
public async Task<Comment> GetCommentByIssuerAndTimeCreatedAsync(Guid issuerId, DateTime timeCreated)
{
return await this._context.Comments
.FirstOrDefaultAsync(p => p.IssuerId == issuerId &&
p.TimeCreated == timeCreated);
}
//Update
public async Task<bool> EditAsync(Post newPost)
{
this._context
.Set<Post>()
.Update(newPost);
return await this.SaveChangesAsync(this._context);
}
public async Task<bool> EditCommentAsync(Comment newEntity)
{
this._context
.Set<Comment>()
.Update(newEntity);
return await this.SaveChangesAsync(this._context);
}
//Delete
public async Task<bool> DeleteAsync(Post post)
{
this._context
.Set<Post>()
.Remove(post);
return await this.SaveChangesAsync(this._context);
}
public async Task<bool> DeleteCommentAsync(Comment entity)
{
this._context
.Set<Comment>()
.Remove(entity);
return await this.SaveChangesAsync(this._context);
}
#region Validations
public async Task<bool> DoesPostExist(Guid postId)
{
return await this._context
.Set<Post>()
.AsNoTracking()
.AnyAsync(r => r.Id == postId);
}
public async Task<bool> DoesCommentExist(Guid id)
{
return await this._context
.Set<Comment>()
.AsNoTracking()
.AnyAsync(r => r.Id == id);
}
#endregion
}
}
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