From fabdb6cc25b4e23e1f2bc9283fd4b5dec4ae0236 Mon Sep 17 00:00:00 2001
From: Laura Hausmann <laura@hausmann.dev>
Date: Sun, 18 Feb 2024 02:05:35 +0100
Subject: [PATCH] [backend/api] Add NoteController & TimelineController

---
 .../Controllers/NoteController.cs             | 34 +++++++++++++++
 .../Controllers/TimelineController.cs         | 41 +++++++++++++++++++
 2 files changed, 75 insertions(+)
 create mode 100644 Iceshrimp.Backend/Controllers/NoteController.cs
 create mode 100644 Iceshrimp.Backend/Controllers/TimelineController.cs

diff --git a/Iceshrimp.Backend/Controllers/NoteController.cs b/Iceshrimp.Backend/Controllers/NoteController.cs
new file mode 100644
index 00000000..667b1dff
--- /dev/null
+++ b/Iceshrimp.Backend/Controllers/NoteController.cs
@@ -0,0 +1,34 @@
+using Iceshrimp.Backend.Controllers.Renderers;
+using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Backend.Core.Database;
+using Iceshrimp.Backend.Core.Extensions;
+using Iceshrimp.Backend.Core.Middleware;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.RateLimiting;
+using Microsoft.EntityFrameworkCore;
+
+namespace Iceshrimp.Backend.Controllers;
+
+[ApiController]
+[Produces("application/json")]
+[EnableRateLimiting("sliding")]
+[Route("/api/iceshrimp/v1/note")]
+public class NoteController(DatabaseContext db) : Controller
+{
+	[HttpGet("{id}")]
+	[Authenticate]
+	[ProducesResponseType(StatusCodes.Status200OK, Type = typeof(NoteResponse))]
+	[ProducesResponseType(StatusCodes.Status404NotFound, Type = typeof(ErrorResponse))]
+	public async Task<IActionResult> GetNote(string id)
+	{
+		var user = HttpContext.GetUser();
+		var note = await db.Notes.Where(p => p.Id == id)
+		                   .IncludeCommonProperties()
+		                   .EnsureVisibleFor(user)
+		                   .PrecomputeVisibilities(user)
+		                   .FirstOrDefaultAsync() ??
+		           throw GracefulException.NotFound("User not found");
+
+		return Ok(NoteRenderer.RenderOne(note.EnforceRenoteReplyVisibility()));
+	}
+}
\ No newline at end of file
diff --git a/Iceshrimp.Backend/Controllers/TimelineController.cs b/Iceshrimp.Backend/Controllers/TimelineController.cs
new file mode 100644
index 00000000..ac994586
--- /dev/null
+++ b/Iceshrimp.Backend/Controllers/TimelineController.cs
@@ -0,0 +1,41 @@
+using Iceshrimp.Backend.Controllers.Renderers;
+using Iceshrimp.Backend.Controllers.Schemas;
+using Iceshrimp.Backend.Core.Database;
+using Iceshrimp.Backend.Core.Extensions;
+using Iceshrimp.Backend.Core.Middleware;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.RateLimiting;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Caching.Distributed;
+
+namespace Iceshrimp.Backend.Controllers;
+
+[ApiController]
+[Produces("application/json")]
+[EnableRateLimiting("sliding")]
+[Route("/api/iceshrimp/v1/timeline")]
+public class TimelineController(DatabaseContext db, IDistributedCache cache) : Controller
+{
+	[HttpGet("home")]
+	[Authenticate, Authorize]
+	[ProducesResponseType(StatusCodes.Status200OK, Type = typeof(NoteResponse))]
+	[ProducesResponseType(StatusCodes.Status401Unauthorized, Type = typeof(ErrorResponse))]
+	[ProducesResponseType(StatusCodes.Status403Forbidden, Type = typeof(ErrorResponse))]
+	[ProducesResponseType(StatusCodes.Status404NotFound, Type = typeof(ErrorResponse))]
+	public async Task<IActionResult> GetHomeTimeline(PaginationQuery pq)
+	{
+		var user      = HttpContext.GetUserOrFail();
+		var heuristic = await QueryableExtensions.GetHeuristic(user, db, cache);
+		var notes = await db.Notes.IncludeCommonProperties()
+		                    .FilterByFollowingAndOwn(user, db, heuristic)
+		                    .EnsureVisibleFor(user)
+		                    .FilterHiddenListMembers(user)
+		                    .FilterBlocked(user)
+		                    .FilterMuted(user)
+		                    .Paginate(pq, ControllerContext)
+		                    .PrecomputeVisibilities(user)
+		                    .ToListAsync();
+
+		return Ok(NoteRenderer.RenderMany(notes.EnforceRenoteReplyVisibility()));
+	}
+}
\ No newline at end of file