From 7878db5c95e5eb430b7b878fe6eb8084f15441a7 Mon Sep 17 00:00:00 2001
From: Brian Picciano <mediocregopher@gmail.com>
Date: Sat, 21 Jan 2023 16:01:52 +0100
Subject: Initial implementation of post rendering over gmi

---
 src/gmi/gmi.go | 55 +++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 49 insertions(+), 6 deletions(-)

(limited to 'src/gmi/gmi.go')

diff --git a/src/gmi/gmi.go b/src/gmi/gmi.go
index 6e2d79f..7d4d186 100644
--- a/src/gmi/gmi.go
+++ b/src/gmi/gmi.go
@@ -12,6 +12,7 @@ import (
 	"git.sr.ht/~adnano/go-gemini"
 	"git.sr.ht/~adnano/go-gemini/certificate"
 	"github.com/mediocregopher/blog.mediocregopher.com/srv/cfg"
+	"github.com/mediocregopher/blog.mediocregopher.com/srv/post"
 	"github.com/mediocregopher/mediocre-go-lib/v2/mctx"
 	"github.com/mediocregopher/mediocre-go-lib/v2/mlog"
 )
@@ -19,7 +20,11 @@ import (
 // Params are used to instantiate a new API instance. All fields are required
 // unless otherwise noted.
 type Params struct {
-	Logger           *mlog.Logger
+	Logger *mlog.Logger
+
+	PostStore      post.Store
+	PostAssetStore post.AssetStore
+
 	PublicURL        *url.URL
 	ListenAddr       string
 	CertificatesPath string
@@ -86,9 +91,14 @@ func New(params Params) (API, error) {
 		params: params,
 	}
 
+	handler, err := a.handler()
+	if err != nil {
+		return nil, fmt.Errorf("constructing handler: %w", err)
+	}
+
 	a.srv = &gemini.Server{
 		Addr:           params.ListenAddr,
-		Handler:        a.handler(),
+		Handler:        handler,
 		GetCertificate: certStore.Get,
 	}
 
@@ -109,14 +119,47 @@ func (a *api) Shutdown(ctx context.Context) error {
 	return a.srv.Shutdown(ctx)
 }
 
-func (a *api) handler() gemini.Handler {
+func postsMiddleware(tplHandler gemini.Handler) gemini.Handler {
+
 	return gemini.HandlerFunc(func(
 		ctx context.Context,
 		rw gemini.ResponseWriter,
 		r *gemini.Request,
 	) {
-		fmt.Fprintf(rw, "# Test\n\n")
-		fmt.Fprintf(rw, "HELLO WORLD\n\n")
-		fmt.Fprintf(rw, "=> gemini://midnight.pub Hit the pub\n\n")
+
+		id := strings.TrimPrefix(r.URL.Path, "/posts/")
+		id = strings.TrimSuffix(id, ".gmi")
+
+		if id == "index" {
+			tplHandler.ServeGemini(ctx, rw, r)
+			return
+		}
+
+		query := r.URL.Query()
+		query.Set("id", id)
+		r.URL.RawQuery = query.Encode()
+
+		r.URL.Path = "/posts/post.gmi"
+
+		tplHandler.ServeGemini(ctx, rw, r)
 	})
 }
+
+func (a *api) handler() (gemini.Handler, error) {
+
+	tplHandler, err := a.tplHandler()
+	if err != nil {
+		return nil, fmt.Errorf("generating tpl handler: %w", err)
+	}
+
+	mux := new(gemini.Mux)
+	mux.Handle("/posts/", postsMiddleware(tplHandler))
+	mux.Handle("/", tplHandler)
+
+	h := mux
+
+	// TODO logging
+	// TODO caching
+
+	return h, nil
+}
-- 
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