Add RSS feed for blog

Author: GearsDatapacks

gleam.toml

@@ -23,6 +23,8 @@ mork = ">= 1.8.0 and < 2.0.0"
 filepath = ">= 1.1.2 and < 2.0.0"
 frontmatter = ">= 1.0.1 and < 2.0.0"
 gleam_regexp = ">= 1.1.1 and < 2.0.0"
+webls = ">= 1.5.1 and < 2.0.0"
+birl = ">= 1.8.0 and < 2.0.0"
 
 [dev-dependencies]
 gleeunit = ">= 1.0.0 and < 2.0.0"

manifest.toml

@@ -2,6 +2,7 @@
 # You typically do not need to edit this file
 
 packages = [
+  { name = "birl", version = "1.8.0", build_tools = ["gleam"], requirements = ["gleam_regexp", "gleam_stdlib", "ranger"], otp_app = "birl", source = "hex", outer_checksum = "2AC7BA26F998E3DFADDB657148BD5DDFE966958AD4D6D6957DD0D22E5B56C400" },
   { name = "casefold", version = "1.5.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "casefold", source = "hex", outer_checksum = "7DF0295BA71C525FADFBE6C3700C534EDE01ED512138F3EBF00AC158DE3AFF3C" },
   { name = "contour", version = "1.2.1", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_stdlib", "glexer", "houdini"], otp_app = "contour", source = "hex", outer_checksum = "C7895472BBAAC5D15DBDBAF6DD1847F6981F2F6132F726BAD30434A6E3BAAB95" },
   { name = "filepath", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "B06A9AF0BF10E51401D64B98E4B627F1D2E48C154967DA7AF4D0914780A6D40A" },
@@ -13,18 +14,22 @@ packages = [
   { name = "gleam_otp", version = "1.2.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "BA6A294E295E428EC1562DC1C11EA7530DCB981E8359134BEABC8493B7B2258E" },
   { name = "gleam_regexp", version = "1.1.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_regexp", source = "hex", outer_checksum = "9C215C6CA84A5B35BB934A9B61A9A306EC743153BE2B0425A0D032E477B062A9" },
   { name = "gleam_stdlib", version = "0.65.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "7C69C71D8C493AE11A5184828A77110EB05A7786EBF8B25B36A72F879C3EE107" },
+  { name = "gleam_yielder", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_yielder", source = "hex", outer_checksum = "8E4E4ECFA7982859F430C57F549200C7749823C106759F4A19A78AEA6687717A" },
   { name = "gleeunit", version = "1.6.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "FDC68A8C492B1E9B429249062CD9BAC9B5538C6FBF584817205D0998C42E1DAC" },
   { name = "glexer", version = "2.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "splitter"], otp_app = "glexer", source = "hex", outer_checksum = "40A1FB0919FA080AD6C5809B4C7DBA545841CAAC8168FACDFA0B0667C22475CC" },
   { name = "houdini", version = "1.2.0", build_tools = ["gleam"], requirements = [], otp_app = "houdini", source = "hex", outer_checksum = "5DB1053F1AF828049C2B206D4403C18970ABEF5C18671CA3C2D2ED0DD64F6385" },
   { name = "lustre", version = "5.3.5", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_json", "gleam_otp", "gleam_stdlib", "houdini"], otp_app = "lustre", source = "hex", outer_checksum = "5CBB5DD2849D8316A2101792FC35AEB58CE4B151451044A9C2A2A70A2F7FCEB8" },
   { name = "mork", version = "1.8.0", build_tools = ["gleam"], requirements = ["casefold", "gleam_regexp", "gleam_stdlib", "splitter"], otp_app = "mork", source = "hex", outer_checksum = "6C48D71DC9DD20F23E63E9422B17F9D12689FB1D47A9DBEF97E982B638C8D1E9" },
   { name = "pearl", version = "2.2.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_stdlib", "houdini", "splitter"], otp_app = "pearl", source = "hex", outer_checksum = "E5E14CE725542BA2516570D04140F0D1471761CCE27C6579C6396369FFF1DA9F" },
+  { name = "ranger", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "gleam_yielder"], otp_app = "ranger", source = "hex", outer_checksum = "C8988E8F8CDBD3E7F4D8F2E663EF76490390899C2B2885A6432E942495B3E854" },
   { name = "simplifile", version = "2.3.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "0A868DAC6063D9E983477981839810DC2E553285AB4588B87E3E9C96A7FB4CB4" },
   { name = "splitter", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "splitter", source = "hex", outer_checksum = "05564A381580395DCDEFF4F88A64B021E8DAFA6540AE99B4623962F52976AA9D" },
   { name = "tom", version = "1.1.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "tom", source = "hex", outer_checksum = "0910EE688A713994515ACAF1F486A4F05752E585B9E3209D8F35A85B234C2719" },
+  { name = "webls", version = "1.5.1", build_tools = ["gleam"], requirements = ["birl", "gleam_stdlib"], otp_app = "webls", source = "hex", outer_checksum = "6C78FFCD3BB888725F83FBD0729BDEA1BFEDFBB06544FCA15BF98FBA04F863B0" },
 ]
 
 [requirements]
+birl = { version = ">= 1.8.0 and < 2.0.0" }
 contour = { version = ">= 1.2.1 and < 2.0.0" }
 filepath = { version = ">= 1.1.2 and < 2.0.0" }
 frontmatter = { version = ">= 1.0.1 and < 2.0.0" }
@@ -36,3 +41,4 @@ mork = { version = ">= 1.8.0 and < 2.0.0" }
 pearl = { version = ">= 2.2.0 and < 3.0.0" }
 simplifile = { version = ">= 2.3.0 and < 3.0.0" }
 tom = { version = ">= 1.1.0 and < 2.0.0" }
+webls = { version = ">= 1.5.1 and < 2.0.0" }

src/website.gleam

@@ -1,8 +1,12 @@
+import birl
 import filepath as path
+import gleam/int
 import gleam/io
 import gleam/list
+import gleam/string
 import lustre/element
 import simplifile as file
+import webls/rss
 import website/data/blog
 import website/page/blog_post
 import website/page/index
@@ -26,6 +30,34 @@ pub fn main() {
     create_page("blog/" <> post.slug, blog_post.view(post))
   })
 
+  let channel =
+    rss.channel(
+      "Gears' Blog",
+      "Blog about programming and Gleam",
+      "https://gearsco.de",
+    )
+    |> rss.with_channel_language("en-gb")
+    |> rss.with_channel_docs
+    |> rss.with_channel_items(
+      list.map(posts, fn(post) {
+        let assert [year, month, day] =
+          post.date |> string.split("-") |> list.filter_map(int.parse)
+
+        rss.item(post.title, post.description)
+        |> rss.with_item_link("https://gearsco.de/blog/" <> post.slug)
+        |> rss.with_item_pub_date(
+          birl.from_erlang_universal_datetime(
+            #(#(year, month, day), #(0, 0, 0)),
+          ),
+        )
+      }),
+    )
+
+  write_file(
+    write: rss.to_string([channel]),
+    to: path.join(out_dir, "blog.xml"),
+  )
+
   io.println("Build succeeded!")
 }
 

src/website/page/index.gleam

@@ -67,7 +67,10 @@ pub fn my_stuff(posts: List(blog.Post(_))) -> component.Section(_) {
         ]),
         html.p([], list.map(socials, social)),
         html.h2([attribute.id("posts")], [
-          element.text("Posts"),
+          element.text("Posts • "),
+          html.a([attribute.href("/blog.xml"), attribute.class("big-link")], [
+            html.text("RSS Feed"),
+          ]),
         ]),
       ],
       list.map(posts, post),