From 1d1acd2a408292445d67317ae574d24de359beb1 Mon Sep 17 00:00:00 2001
From: Oliver Booth <git@olivr.me>
Date: Sun, 25 Feb 2024 14:15:21 +0000
Subject: [PATCH] feat: add visibility search to GetAllBlogPosts

---
 OliverBooth/Services/BlogPostService.cs  | 13 +++++++++----
 OliverBooth/Services/IBlogPostService.cs |  4 +++-
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/OliverBooth/Services/BlogPostService.cs b/OliverBooth/Services/BlogPostService.cs
index 9d2be3e..78a4ad9 100644
--- a/OliverBooth/Services/BlogPostService.cs
+++ b/OliverBooth/Services/BlogPostService.cs
@@ -41,12 +41,17 @@ internal sealed class BlogPostService : IBlogPostService
     }
 
     /// <inheritdoc />
-    public IReadOnlyList<IBlogPost> GetAllBlogPosts(int limit = -1)
+    public IReadOnlyList<IBlogPost> GetAllBlogPosts(int limit = -1,
+        BlogPostVisibility visibility = BlogPostVisibility.Published)
     {
         using BlogContext context = _dbContextFactory.CreateDbContext();
-        IQueryable<BlogPost> ordered = context.BlogPosts
-            .Where(p => p.Visibility == BlogPostVisibility.Published)
-            .OrderByDescending(post => post.Published);
+        IQueryable<BlogPost> ordered = context.BlogPosts;
+        if (visibility != (BlogPostVisibility)(-1))
+        {
+            ordered = ordered.Where(p => p.Visibility == visibility);
+        }
+
+        ordered = ordered.OrderByDescending(post => post.Published);
         if (limit > -1)
         {
             ordered = ordered.Take(limit);
diff --git a/OliverBooth/Services/IBlogPostService.cs b/OliverBooth/Services/IBlogPostService.cs
index bcb48ee..8383872 100644
--- a/OliverBooth/Services/IBlogPostService.cs
+++ b/OliverBooth/Services/IBlogPostService.cs
@@ -12,12 +12,14 @@ public interface IBlogPostService
     ///     Returns a collection of all blog posts.
     /// </summary>
     /// <param name="limit">The maximum number of posts to return. A value of -1 returns all posts.</param>
+    /// <param name="visibility">The visibility of the posts to retrieve.</param>
     /// <returns>A collection of all blog posts.</returns>
     /// <remarks>
     ///     This method may slow down execution if there are a large number of blog posts being requested. It is
     ///     recommended to use <see cref="GetBlogPosts" /> instead.
     /// </remarks>
-    IReadOnlyList<IBlogPost> GetAllBlogPosts(int limit = -1);
+    IReadOnlyList<IBlogPost> GetAllBlogPosts(int limit = -1,
+        BlogPostVisibility visibility = BlogPostVisibility.Published);
 
     /// <summary>
     ///     Returns the total number of blog posts.