Refactor URL construction a bit

BlogHTTPURL and BlogGeminiURL are now used specifically to construct
absolute URLs to their respective endpoints.

1 files changed, 18 insertions, 32 deletions

diff --git a/src/http/tpl.go b/src/http/tpl.go
index 5fc54f3..4af715a 100644
--- a/src/http/tpl.go
+++ b/src/http/tpl.go
@@ -6,6 +6,7 @@ import (
 	"html/template"
 	"io/fs"
 	"net/http"
+	"net/url"
 	"path/filepath"
 	"strings"
 	"time"
@@ -27,28 +28,28 @@ func mustReadTplFile(fileName string) string {
 	return string(b)
 }
 
-func (a *api) blogURL(path string, abs bool) string {
+func (a *api) blogURL(base *url.URL, path string, abs bool) string {
 	// filepath.Join strips trailing slash, but we want to keep it
 	trailingSlash := strings.HasSuffix(path, "/")
 
-	res := filepath.Join("/", a.params.PublicURL.Path, path)
+	path = filepath.Join("/", base.Path, path)
 
-	if trailingSlash && res != "/" {
-		res += "/"
+	if trailingSlash && path != "/" {
+		path += "/"
 	}
 
-	if abs {
-		u := *a.params.PublicURL
-		u.Path = res
-		res = u.String()
+	if !abs {
+		return path
 	}
 
-	return res
+	u := *base
+	u.Path = path
+	return u.String()
 }
 
 func (a *api) postURL(id string, abs bool) string {
 	path := filepath.Join("posts", id)
-	return a.blogURL(path, abs)
+	return a.blogURL(a.params.PublicURL, path, abs)
 }
 
 func (a *api) editPostURL(id string, abs bool) string {
@@ -56,21 +57,21 @@ func (a *api) editPostURL(id string, abs bool) string {
 }
 
 func (a *api) managePostsURL(abs bool) string {
-	return a.blogURL("posts?method=manage", abs)
+	return a.blogURL(a.params.PublicURL, "posts?method=manage", abs)
 }
 
 func (a *api) manageAssetsURL(abs bool) string {
-	return a.blogURL("assets?method=manage", abs)
+	return a.blogURL(a.params.PublicURL, "assets?method=manage", abs)
 }
 
 func (a *api) assetURL(id string, abs bool) string {
 	path := filepath.Join("assets", id)
-	return a.blogURL(path, false)
+	return a.blogURL(a.params.PublicURL, path, false)
 }
 
 func (a *api) draftPostURL(id string, abs bool) string {
 	path := filepath.Join("drafts", id)
-	return a.blogURL(path, abs)
+	return a.blogURL(a.params.PublicURL, path, abs)
 }
 
 func (a *api) editDraftPostURL(id string, abs bool) string {
@@ -78,36 +79,20 @@ func (a *api) editDraftPostURL(id string, abs bool) string {
 }
 
 func (a *api) manageDraftPostsURL(abs bool) string {
-	return a.blogURL("drafts", abs) + "?method=manage"
+	return a.blogURL(a.params.PublicURL, "drafts", abs) + "?method=manage"
 }
 
 func (a *api) draftsURL(abs bool) string {
-	return a.blogURL("drafts", abs)
+	return a.blogURL(a.params.PublicURL, "drafts", abs)
 }
 
 func (a *api) tplFuncs() template.FuncMap {
 	return template.FuncMap{
-		"BlogURL": func(path string) string {
-			return a.blogURL(path, false)
-		},
-		"BlogURLAbs": func(path string) string {
-			return a.blogURL(path, true)
-		},
-		"StaticURL": func(path string) string {
-			path = filepath.Join("static", path)
-			return a.blogURL(path, false)
-		},
 		"StaticInlineCSS": func(path string) (template.CSS, error) {
 			path = filepath.Join("static", path)
 			b, err := staticFS.ReadFile(path)
 			return template.CSS(b), err
 		},
-		"PostURL": func(id string) string {
-			return a.postURL(id, false)
-		},
-		"AssetURL": func(id string) string {
-			return a.assetURL(id, false)
-		},
 		"DraftURL": func(id string) string {
 			return a.draftPostURL(id, false)
 		},
@@ -121,6 +106,7 @@ func (a *api) parseTpl(name, tplBody string) (*template.Template, error) {
 
 	tpl := template.New(name)
 	tpl = tpl.Funcs(a.tplFuncs())
+	tpl = tpl.Funcs(template.FuncMap(a.postPreprocessFuncs().ToFuncMap()))
 
 	var err error