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AlenGeoAlexAlenGeoAlex
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Merge pull request #27 from FakeOverFlow/shreyas/list-answers-post-answers
shreyas/list-answers-post-answers - Added endpoints for answers on posts
2 parents d076dbf + 628853b commit d7c6902

9 files changed

Lines changed: 306 additions & 7 deletions

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‎apps/fakeoverflow-api/FakeOverFlow/FakeoverFlow.Backend.Http.Api/Abstracts/Services/IPostService.cs‎

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@@ -1,4 +1,5 @@
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using FakeoverFlow.Backend.Abstraction;
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using FakeoverFlow.Backend.Http.Api.Features.Posts.Contents.CreateContent;
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using FakeoverFlow.Backend.Http.Api.Models.Posts;
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using Posts = FakeoverFlow.Backend.Http.Api.Features.Posts.CreatePosts.Posts;
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@@ -67,6 +68,7 @@ public interface IPostService
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Task<Result<(IEnumerable<(Models.Posts.Posts post, PostContent? content)> items, long totalCount)>>
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ListPostsAsync(int page, int pageSize, IEnumerable<string> tags, CancellationToken ct = default);
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/// <summary>
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/// Retrieves a paginated list of tags along with their respective post counts based on the specified query parameters.
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/// </summary>
@@ -80,4 +82,30 @@ public interface IPostService
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/// </returns>
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public Task<(List<Tag> Tags, Dictionary<int, int> TagCounts)> GetTagsWithCountsAsync(int page = 0,
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int pageSize = 10, string? searchTerm = null, CancellationToken ct = default);
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/// <summary>
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/// Creates a new content entry associated with a specific post based on the provided request data.
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/// </summary>
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/// <param name="request">
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/// The data needed to create the content, including the content text and associated post ID.
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/// </param>
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/// <param name="ct">A cancellation token to manage task cancellation, if necessary.</param>
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/// <returns>
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/// A task representing the asynchronous operation. The task result contains the created post content.
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/// </returns>
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public Task<PostContent> CreatePostContentAsync(CreateContent.Request request, CancellationToken ct = default);
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/// <summary>
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/// Retrieves the list of post contents associated with a specific post ID that are marked as answers.
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/// </summary>
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/// <param name="postId">
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/// The unique identifier of the post whose contents are to be retrieved.
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/// </param>
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/// <param name="ct">
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/// A cancellation token used to manage task cancellation.
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/// </param>
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/// <returns>
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/// A task representing the asynchronous operation. The task result contains a list of post contents associated with the specified post ID.
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/// </returns>
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public Task<List<PostContent>> GetPostContentByPostIdAsync(string postId, CancellationToken ct = default);
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}

‎apps/fakeoverflow-api/FakeOverFlow/FakeoverFlow.Backend.Http.Api/Features/Posts/Contents/ContentGroup.cs‎

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@@ -0,0 +1,21 @@
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using FastEndpoints;
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namespace FakeoverFlow.Backend.Http.Api.Features.Posts.Contents;
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public sealed class ContentsGroup : Group
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{
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public ContentsGroup()
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{
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Configure("/{postId}/contents", x =>
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{
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x.Group<PostGroup>();
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x.Description(b =>
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{
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b.WithGroupName("Post Content");
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b.WithSummary("Post Content of a post related endpoints");
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b.WithDescription("Endpoints for post content related operations");
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});
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x.EndpointVersion(0);
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});
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}
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}

‎apps/fakeoverflow-api/FakeOverFlow/FakeoverFlow.Backend.Http.Api/Features/Posts/Contents/CreateContent/CreateContent.DTO.cs‎

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using NSwag.Annotations;
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namespace FakeoverFlow.Backend.Http.Api.Features.Posts.Contents.CreateContent;
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public partial class CreateContent
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{
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public class Request
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{
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public string Content { get; set; }
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[OpenApiIgnore] public string PostId { get; set; } = string.Empty;
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public bool IsInternal { get; set; }
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}
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public class Response
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{
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public required string PostId { get; set; }
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public Guid Id { get; set; }
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}
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}

‎apps/fakeoverflow-api/FakeOverFlow/FakeoverFlow.Backend.Http.Api/Features/Posts/Contents/CreateContent/CreateContent.Handler.cs‎

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@@ -0,0 +1,49 @@
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using FakeoverFlow.Backend.Http.Api.Abstracts.Services;
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using FastEndpoints;
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using Microsoft.AspNetCore.Http.HttpResults;
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namespace FakeoverFlow.Backend.Http.Api.Features.Posts.Contents.CreateContent;
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public partial class CreateContent
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{
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public class Handler(
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IPostService postService,
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ILogger<CreateContent> logger
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) : Endpoint<Request, Results<Ok<Response>, BadRequest<ErrorResponse>, ProblemHttpResult>>
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{
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public override void Configure()
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{
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Post("");
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Group<ContentsGroup>();
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Description(x => x.WithName("CreateAnswer"));
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}
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public override async Task<Results<Ok<Response>, BadRequest<ErrorResponse>, ProblemHttpResult>> ExecuteAsync(
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Request req, CancellationToken ct)
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{
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logger.LogInformation("Creating answer");
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if (!HttpContext.Request.RouteValues.TryGetValue("postId", out object? postIdRaw))
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{
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AddError(">" + (postIdRaw?.ToString() ?? "N/A") + "< is not a valid postId");
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ThrowIfAnyErrors();
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}
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var postId = postIdRaw!.ToString();
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if (string.IsNullOrWhiteSpace(postId))
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{
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AddError(">" + (postIdRaw?.ToString() ?? "N/A") + "< is not a valid postId");
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ThrowIfAnyErrors();
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}
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req.PostId = postId!.ToUpper();
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var content = await postService.CreatePostContentAsync(req, ct);
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return TypedResults.Ok(new Response()
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{
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PostId = content.PostId,
45+
Id = content.Id
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});
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}
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}
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}

‎apps/fakeoverflow-api/FakeOverFlow/FakeoverFlow.Backend.Http.Api/Features/Posts/Contents/CreateContent/CreateContent.Validator.cs‎

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using FastEndpoints;
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using FluentValidation;
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namespace FakeoverFlow.Backend.Http.Api.Features.Posts.Contents.CreateContent;
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public partial class CreateContent
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{
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public class Validator : Validator<Request>
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{
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public Validator()
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{
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RuleFor(x => x.Content)
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.NotEmpty();
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RuleFor(x => x.Content)
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.MinimumLength(4);
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}
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}
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}

‎apps/fakeoverflow-api/FakeOverFlow/FakeoverFlow.Backend.Http.Api/Features/Posts/Contents/LIstContents/LIstContents.Validator.cs‎

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namespace FakeoverFlow.Backend.Http.Api.Features.Posts.Contents.ListContents;
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public partial class ListContents
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{
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}

‎apps/fakeoverflow-api/FakeOverFlow/FakeoverFlow.Backend.Http.Api/Features/Posts/Contents/LIstContents/ListContents.DTO.cs‎

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namespace FakeoverFlow.Backend.Http.Api.Features.Posts.Contents.ListContents;
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public partial class ListContents
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{
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public class Request
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{
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public string PostId { get; set; } = string.Empty;
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}
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public class Response
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{
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public List<PostContent> Answers { get; set; } = [];
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}
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public class PostContent
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{
17+
public Guid Id { get; set; }
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19+
public string PostId { get; set; } = string.Empty;
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public string Content { get; set; } = string.Empty;
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22+
public bool IsInternal { get; set; }
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24+
public required UserActivity CreatedOn { get; set; }
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}
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27+
public class UserActivity
28+
{
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public Guid UserId { get; set; }
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31+
public DateTimeOffset ActivityOn { get; set; }
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public required string Username { get; set; }
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}
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}

‎apps/fakeoverflow-api/FakeOverFlow/FakeoverFlow.Backend.Http.Api/Features/Posts/Contents/LIstContents/ListContents.Handler.cs‎

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using FakeoverFlow.Backend.Http.Api.Abstracts.Services;
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using FastEndpoints;
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using Microsoft.AspNetCore.Http.HttpResults;
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namespace FakeoverFlow.Backend.Http.Api.Features.Posts.Contents.ListContents;
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7+
public partial class ListContents
8+
{
9+
public class Handler(
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IPostService postService,
11+
ILogger<ListContents> logger
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) : Endpoint<Request, Results<Ok<Response>, BadRequest<ErrorResponse>, ProblemHttpResult>>
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{
14+
public override async Task<Results<Ok<Response>, BadRequest<ErrorResponse>, ProblemHttpResult>> ExecuteAsync(
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Request req, CancellationToken ct)
16+
{
17+
if (!HttpContext.Request.RouteValues.TryGetValue("postId", out object? postIdRaw))
18+
{
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AddError(">" + (postIdRaw?.ToString() ?? "N/A") + "< is not a valid postId");
20+
ThrowIfAnyErrors();
21+
}
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23+
var postId = postIdRaw!.ToString();
24+
if (string.IsNullOrWhiteSpace(postId))
25+
{
26+
AddError(">" + (postIdRaw?.ToString() ?? "N/A") + "< is not a valid postId");
27+
ThrowIfAnyErrors();
28+
}
29+
30+
req.PostId = postId!;
31+
var postContents = await postService.GetPostContentByPostIdAsync(req.PostId, ct);
32+
return TypedResults.Ok(new Response()
33+
{
34+
Answers = postContents.Select(x => new PostContent()
35+
{
36+
Content = x.Content,
37+
Id = x.Id,
38+
PostId = x.PostId,
39+
CreatedOn = new UserActivity()
40+
{
41+
ActivityOn = x.CreatedOn,
42+
UserId = x.CreatedByAccount.Id,
43+
Username = x.CreatedByAccount.Username
44+
}
45+
}).ToList()
46+
});
47+
}
48+
49+
public override void Configure()
50+
{
51+
Get("");
52+
AllowAnonymous();
53+
Description(x => { x.WithName("ListAnswers").WithSummary("Lists all answers"); });
54+
Group<ContentsGroup>();
55+
}
56+
}
57+
}

‎apps/fakeoverflow-api/FakeOverFlow/FakeoverFlow.Backend.Http.Api/Services/PostService.cs‎

Lines changed: 71 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,7 @@
11
using FakeoverFlow.Backend.Abstraction;
22
using FakeoverFlow.Backend.Abstraction.Context;
33
using FakeoverFlow.Backend.Http.Api.Abstracts.Services;
4+
using FakeoverFlow.Backend.Http.Api.Features.Posts.Contents.CreateContent;
45
using FakeoverFlow.Backend.Http.Api.Models.Enums;
56
using FakeoverFlow.Backend.Http.Api.Models.Posts;
67
using FakeoverFlow.Backend.Http.Api.Utils;
@@ -143,13 +144,14 @@ public async Task<bool> IncreaseViewCountAsync(string id, CancellationToken ct =
143144
.OrderByDescending(p => p.CreatedOn)
144145
.AsQueryable();
145146

146-
/*
147147
if (normalizedTags.Any())
148148
{
149+
var tsQuery = EF.Functions.ToTsQuery(string.Join(" | ", normalizedTags));
150+
149151
postsQuery = postsQuery.Where(p =>
150-
p.Tags.Any(pt => normalizedTags.Contains(pt.Tag.Name.ToLower())));
152+
p.Tags.Any(pt => pt.Tag.VectorText.Matches(tsQuery))
153+
);
151154
}
152-
*/
153155

154156
var totalCount = await postsQuery.LongCountAsync(ct);
155157

@@ -164,15 +166,77 @@ public async Task<bool> IncreaseViewCountAsync(string id, CancellationToken ct =
164166
.Where(x => pageId.Contains(x.PostId) && x.ContentType == ContentType.Questions)
165167
.ToList();
166168

167-
var items = pagedPosts.Select(x =>
168-
{
169-
return (x, contents.FirstOrDefault(c => c.PostId == x.Id));
170-
});
169+
var items = pagedPosts.Select(x => { return (x, contents.FirstOrDefault(c => c.PostId == x.Id)); });
171170

172171
return Result<(IEnumerable<(Posts post, PostContent? content)> items, long totalCount)>
173172
.Success((items, totalCount));
174173
}
175174

175+
public async Task<(List<Tag> Tags, Dictionary<int, int> TagCounts)> GetTagsWithCountsAsync(int page = 0,
176+
int pageSize = 10, string? searchTerm = null, CancellationToken ct = default)
177+
{
178+
var postTagsEnumerable = dbContext.PostTags
179+
.Include(pt => pt.Tag)
180+
.AsQueryable()
181+
.AsNoTracking();
182+
183+
if (!string.IsNullOrWhiteSpace(searchTerm))
184+
{
185+
postTagsEnumerable =
186+
postTagsEnumerable.Where(pt => pt.Tag.VectorText.Matches(EF.Functions.ToTsQuery(searchTerm)));
187+
logger.LogInformation("Searching for {SearchTerm}", searchTerm);
188+
}
189+
190+
191+
var result = postTagsEnumerable
192+
.GroupBy(pt => pt.Tag)
193+
.Select(g => new
194+
{
195+
Tag = g.Key,
196+
Count = g.Count()
197+
})
198+
.Skip(page * pageSize)
199+
.Take(pageSize)
200+
.ToList();
201+
202+
return (result.Select(x => x.Tag).ToList(), result.ToDictionary(x => x.Tag.Id, x => x.Count));
203+
}
204+
205+
public async Task<PostContent> CreatePostContentAsync(CreateContent.Request request, CancellationToken ct = default)
206+
{
207+
request.PostId = request.PostId.ToUpper();
208+
var requestContext = contextFactory.RequestContext;
209+
var now = DateTimeOffset.UtcNow;
210+
var postContent = new PostContent()
211+
{
212+
Id = Guid.CreateVersion7(),
213+
Content = request.Content,
214+
PostId = request.PostId,
215+
ContentType = ContentType.Answers,
216+
CreatedBy = requestContext.UserId,
217+
CreatedOn = now,
218+
UpdatedBy = requestContext.UserId,
219+
UpdatedOn = now,
220+
Votes = 0,
221+
};
222+
223+
dbContext.PostContent.Add(postContent);
224+
await dbContext.SaveChangesAsync(ct);
225+
return postContent;
226+
}
227+
228+
public async Task<List<PostContent>> GetPostContentByPostIdAsync(string postId, CancellationToken ct = default)
229+
{
230+
postId = postId.ToUpper();
231+
return await dbContext.PostContent
232+
.AsNoTracking()
233+
.Where(x => x.PostId == postId && x.ContentType == ContentType.Answers)
234+
.Include(x => x.CreatedByAccount)
235+
.OrderByDescending(x => x.Votes)
236+
.ThenByDescending(x => x.CreatedOn)
237+
.ToListAsync(ct);
238+
}
239+
176240
private async Task<List<Tag>> GetOrCreateTagsAsync(List<string> tags, CancellationToken ct = default)
177241
{
178242
var normalizedTags = tags

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