From fafa06794b12ea002b07472e27e534d984c7797d Mon Sep 17 00:00:00 2001
From: Bagaev Dmitry <bvdmitri@gmail.com>
Date: Wed, 19 Feb 2025 14:18:24 +0100
Subject: [PATCH] add sitemap generation

---
 docs/Project.toml |  1 +
 docs/make.jl      | 82 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+)

diff --git a/docs/Project.toml b/docs/Project.toml
index 111718ea0..d072ee32f 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -2,6 +2,7 @@
 BayesBase = "b4ee3484-f114-42fe-b91c-797d54a0c67e"
 BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
 Cairo = "159f3aea-2a34-519c-b102-8c37f9878175"
+Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 DocumenterMermaid = "a078cd44-4d9c-4618-b545-3ab9d77f9177"
diff --git a/docs/make.jl b/docs/make.jl
index 326f882a6..9a86b07a7 100644
--- a/docs/make.jl
+++ b/docs/make.jl
@@ -1,6 +1,7 @@
 using RxInfer
 using Documenter
 using DocumenterMermaid
+using Dates
 
 ## https://discourse.julialang.org/t/generation-of-documentation-fails-qt-qpa-xcb-could-not-connect-to-display/60988
 ## https://gr-framework.org/workstations.html#no-output
@@ -64,4 +65,85 @@ makedocs(;
     ]
 )
 
+# Function to inject keywords meta tag into HTML files
+function inject_keywords_meta()
+    # Define keywords for the documentation
+    keywords = "Julia, Bayesian inference, factor graph, message passing, probabilistic programming, reactive programming, RxInfer"
+    base_url = "https://reactivebayes.github.io/RxInfer.jl/stable"
+    
+    # Meta tags to inject
+    meta_tags = """
+    <meta name="keywords" content="$(keywords)">
+    <link rel="sitemap" type="application/xml" title="Sitemap" href="$(base_url)/sitemap.xml">"""
+    
+    # List of files to exclude
+    exclude_files = ["googlef2b9004e34bc8cf4.html"]
+    
+    # Process all HTML files in the build directory
+    for (root, _, files) in walkdir("docs/build")
+        for file in files
+            if endswith(file, ".html") && !(file in exclude_files)
+                filepath = joinpath(root, file)
+                content = read(filepath, String)
+                
+                # Insert meta tags before </head>
+                new_content = replace(content, r"</head>" => meta_tags * "</head>")
+                
+                # Write the modified content back
+                write(filepath, new_content)
+            end
+        end
+    end
+end
+
+# Function to generate sitemap.xml
+function generate_sitemap()
+    base_url = "https://reactivebayes.github.io/RxInfer.jl"
+    sitemap_content = """<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">"""
+    
+    # List of files to exclude
+    exclude_files = ["googlef2b9004e34bc8cf4.html", "404.html", "search_index.js"]
+    
+    # Current date in W3C format
+    current_date = Dates.format(Dates.now(), "yyyy-mm-dd")
+    
+    # Process all HTML files in the build directory
+    for (root, _, files) in walkdir("docs/build")
+        for file in files
+            if endswith(file, ".html") && !(file in exclude_files)
+                # Get relative path from build directory
+                rel_path = relpath(joinpath(root, file), "docs/build")
+                # Convert Windows path separators if present
+                url_path = replace(rel_path, '\\' => '/')
+                # Remove index.html from the end if present
+                url_path = replace(url_path, r"/index.html$" => "/")
+                # Remove .html from the end of all other files
+                url_path = replace(url_path, r"\.html$" => "")
+                
+                # Construct full URL
+                full_url = string(base_url, "/", url_path)
+                
+                # Add URL entry to sitemap
+                sitemap_content *= """
+    <url>
+        <loc>$(full_url)</loc>
+        <lastmod>$(current_date)</lastmod>
+        <changefreq>weekly</changefreq>
+        <priority>0.8</priority>
+    </url>"""
+            end
+        end
+    end
+    
+    sitemap_content *= "\n</urlset>"
+    
+    # Write sitemap to the build directory
+    write("docs/build/sitemap.xml", sitemap_content)
+end
+
+# Call the functions after makedocs
+inject_keywords_meta()
+generate_sitemap()
+
 deploydocs(; repo = "github.com/ReactiveBayes/RxInfer.jl", devbranch = "main", forcepush = true)