wip: read posts

5 files changed, 183 insertions, 18 deletions

diff --git a/flake.lock b/flake.lock
index 34ed9ad..b048c4e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,6 +1,6 @@
 {
   "nodes": {
-    "flake-compat": {
+    "compat": {
       "flake": false,
       "locked": {
         "lastModified": 1696426674,
@@ -16,21 +16,26 @@
         "type": "github"
       }
     },
-    "flake-utils": {
+    "gomod2nix": {
       "inputs": {
-        "systems": "systems"
+        "flake-utils": [
+          "utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
       },
       "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "lastModified": 1710154385,
+        "narHash": "sha256-4c3zQ2YY4BZOufaBJB4v9VBBeN2dH7iVdoJw8SDNCfI=",
+        "owner": "tweag",
+        "repo": "gomod2nix",
+        "rev": "872b63ddd28f318489c929d25f1f0a3c6039c971",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
+        "owner": "tweag",
+        "repo": "gomod2nix",
         "type": "github"
       }
     },
@@ -52,9 +57,10 @@
     },
     "root": {
       "inputs": {
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "compat": "compat",
+        "gomod2nix": "gomod2nix",
+        "nixpkgs": "nixpkgs",
+        "utils": "utils"
       }
     },
     "systems": {
@@ -71,6 +77,24 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 67bcc1f..2faa85b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,14 +1,19 @@
 {
   description = "My website, alanpearce.eu";
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-  inputs.flake-utils.url = "github:numtide/flake-utils";
-  inputs.flake-compat = {
+  inputs.utils.url = "github:numtide/flake-utils";
+  inputs.compat = {
     url = "github:edolstra/flake-compat";
     flake = false;
   };
+  inputs.gomod2nix = {
+    url = "github:tweag/gomod2nix";
+    inputs.nixpkgs.follows = "nixpkgs";
+    inputs.flake-utils.follows = "utils";
+  };
 
-  outputs = { nixpkgs, flake-utils, ... }:
-    flake-utils.lib.eachDefaultSystem
+  outputs = { nixpkgs, utils, gomod2nix, ... }:
+    utils.lib.eachDefaultSystem
       (system:
         let
           pkgs = nixpkgs.legacyPackages.${system};
@@ -19,13 +24,18 @@
             gzip
             zstd
             git
+            go
           ];
         in
         rec {
           devShells = {
             default = pkgs.mkShell {
               packages = with pkgs; [
-                bun
+                gopls
+                gotools
+                go-tools
+                gomod2nix.packages.${system}.default
+                gci
                 flyctl
               ] ++ nativeBuildInputs;
             };
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..5f15dec
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,13 @@
+module alanpearce.eu/website
+
+go 1.22.1
+
+require (
+	github.com/BurntSushi/toml v1.2.1 // indirect
+	github.com/adrg/frontmatter v0.2.0 // indirect
+	github.com/deckarep/golang-set/v2 v2.6.0 // indirect
+	github.com/yuin/goldmark v1.7.1 // indirect
+	go.abhg.dev/goldmark/frontmatter v0.2.0 // indirect
+	gopkg.in/yaml.v2 v2.3.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..e0469b8
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,16 @@
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/toml v1.2.1 h1:9F2/+DoOYIOksmaJFPw1tGFy1eDnIJXg+UHjuD8lTak=
+github.com/BurntSushi/toml v1.2.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/adrg/frontmatter v0.2.0 h1:/DgnNe82o03riBd1S+ZDjd43wAmC6W35q67NHeLkPd4=
+github.com/adrg/frontmatter v0.2.0/go.mod h1:93rQCj3z3ZlwyxxpQioRKC1wDLto4aXHrbqIsnH9wmE=
+github.com/deckarep/golang-set/v2 v2.6.0 h1:XfcQbWM1LlMB8BsJ8N9vW5ehnnPVIw0je80NsVHagjM=
+github.com/deckarep/golang-set/v2 v2.6.0/go.mod h1:VAky9rY/yGXJOLEDv3OMci+7wtDpOF4IN+y82NBOac4=
+github.com/yuin/goldmark v1.7.1 h1:3bajkSilaCbjdKVsKdZjZCLBNPL9pYzrCakKaf4U49U=
+github.com/yuin/goldmark v1.7.1/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E=
+go.abhg.dev/goldmark/frontmatter v0.2.0 h1:P8kPG0YkL12+aYk2yU3xHv4tcXzeVnN+gU0tJ5JnxRw=
+go.abhg.dev/goldmark/frontmatter v0.2.0/go.mod h1:XqrEkZuM57djk7zrlRUB02x8I5J0px76YjkOzhB4YlU=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/src/build.go b/src/build.go
new file mode 100644
index 0000000..b2847c3
--- /dev/null
+++ b/src/build.go
@@ -0,0 +1,102 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"path"
+	"path/filepath"
+	"slices"
+	"strings"
+	"time"
+
+	"github.com/adrg/frontmatter"
+	mapset "github.com/deckarep/golang-set/v2"
+)
+
+type PostMatter struct {
+	Date        time.Time `toml:"date"`
+	Description string    `toml:"description"`
+	Title       string    `toml:"title"`
+	Taxonomies  struct {
+		Tags []string `toml:"tags"`
+	} `toml:"taxonomies"`
+}
+
+type Post struct {
+	Input    string
+	Output   string
+	Basename string
+	URL      string
+	Content  string
+	PostMatter
+}
+
+type Tags mapset.Set[string]
+
+func check(err error) {
+	if err != nil {
+		log.Panic(err)
+	}
+}
+
+func getPost(filename string) (PostMatter, string) {
+	matter := PostMatter{}
+	content, err := os.Open(filename)
+	check(err)
+	rest, err := frontmatter.Parse(content, &matter)
+	check(err)
+
+	return matter, string(rest)
+}
+
+func readPosts(root string, inputDir string, outputDir string) ([]Post, Tags) {
+	tags := mapset.NewSet[string]()
+	posts := []Post{}
+	subdir := filepath.Join(root, inputDir)
+	files, err := os.ReadDir(subdir)
+	outputReplacer := strings.NewReplacer(root, outputDir, ".md", "/index.html")
+	urlReplacer := strings.NewReplacer(root, "", ".md", "/")
+	check(err)
+	for _, f := range files {
+		pathFromRoot := filepath.Join(subdir, f.Name())
+		check(err)
+		if !f.IsDir() && path.Ext(pathFromRoot) == ".md" {
+			output := outputReplacer.Replace(pathFromRoot)
+			url := urlReplacer.Replace(pathFromRoot)
+			matter, content := getPost(pathFromRoot)
+
+			for _, tag := range matter.Taxonomies.Tags {
+				tags.Add(strings.ToLower(tag))
+			}
+
+			post := Post{
+				Input:      pathFromRoot,
+				Output:     output,
+				Basename:   filepath.Base(url),
+				URL:        url,
+				PostMatter: matter,
+				Content:    content,
+			}
+
+			posts = append(posts, post)
+		}
+	}
+	slices.SortFunc(posts, func(a, b Post) int {
+		return b.Date.Compare(a.Date)
+	})
+	return posts, tags
+}
+
+func main() {
+	err := os.MkdirAll("public/post", 755)
+	check(err)
+	log.Print("Generating site...")
+	posts, tags := readPosts("content", "post", "public")
+	for _, post := range posts {
+		err := os.MkdirAll(path.Join("public", "post", post.Basename), 755)
+		check(err)
+		fmt.Printf("%+v\n", post.Date)
+	}
+	fmt.Printf("%+v\n", tags)
+}