✨ Post category controller

DysonNetwork.Sphere/Post/PostCategoryController.cs

@@ -0,0 +1,72 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace DysonNetwork.Sphere.Post;
+
+[ApiController]
+[Route("/api/posts")]
+public class PostCategoryController(AppDatabase db) : ControllerBase
+{
+    [HttpGet("categories")]
+    public async Task<ActionResult<List<PostCategory>>> ListCategories(
+        [FromQuery] string? query = null,
+        [FromQuery] int offset = 0,
+        [FromQuery] int take = 20
+    )
+    {
+        var categoriesQuery = db.PostCategories
+            .OrderBy(e => e.Name)
+            .AsQueryable();
+        if (!string.IsNullOrEmpty(query))
+            categoriesQuery = categoriesQuery
+                .Where(e => EF.Functions.ILike(e.Slug, $"%{query}%"));
+        var totalCount = await categoriesQuery.CountAsync();
+        Response.Headers.Append("X-Total", totalCount.ToString());
+        var categories = await categoriesQuery
+            .Skip(offset)
+            .Take(take)
+            .ToListAsync();
+        return Ok(categories);
+    }
+
+    [HttpGet("tags")]
+    public async Task<ActionResult<List<PostTag>>> ListTags(
+        [FromQuery] string? query = null,
+        [FromQuery] int offset = 0,
+        [FromQuery] int take = 20
+    )
+    {
+        var tagsQuery = db.PostTags
+            .OrderBy(e => e.Name)
+            .AsQueryable();
+        if (!string.IsNullOrEmpty(query))
+            tagsQuery = tagsQuery
+                .Where(e => EF.Functions.ILike(e.Slug, $"%{query}%"));
+        var totalCount = await tagsQuery.CountAsync();
+        Response.Headers.Append("X-Total", totalCount.ToString());
+        var tags = await tagsQuery
+            .Skip(offset)
+            .Take(take)
+            .ToListAsync();
+
+        return Ok(tags);
+    }
+    
+    [HttpGet("categories/{slug}")]
+    public async Task<ActionResult<PostCategory>> GetCategory(string slug)
+    {
+        var category = await db.PostCategories.FirstOrDefaultAsync(e => e.Slug == slug);
+        if (category is null)
+            return NotFound();
+        return Ok(category);
+    }
+    
+    [HttpGet("tags/{slug}")]
+    public async Task<ActionResult<PostTag>> GetTag(string slug)
+    {
+        var tag = await db.PostTags.FirstOrDefaultAsync(e => e.Slug == slug);
+        if (tag is null)
+            return NotFound();
+        return Ok(tag);
+    }
+}