feat: seamless single page application

8 files changed, 143 insertions, 8 deletions

diff --git a/internal/lightgallery/html_renderer.go b/internal/lightgallery/html_renderer.go
index 21bd049..c8c1cf0 100644
--- a/internal/lightgallery/html_renderer.go
+++ b/internal/lightgallery/html_renderer.go
@@ -126,7 +126,7 @@ document.addEventListener('htmx:afterRequest', (e) => {
 	if (e.detail.target.id == 'general-page-body') {
 		createLightGallery%s();
 	}
-});
+}, {once: true});
 </script>`, galleryID, galleryID, strings.Join(dynamicElements, ","), galleryID, galleryID))
 	}
 
diff --git a/internal/router/api-v1-general-page-body.go b/internal/router/api-v1-general-page-body.go
index 419bad6..4108a4f 100644
--- a/internal/router/api-v1-general-page-body.go
+++ b/internal/router/api-v1-general-page-body.go
@@ -44,8 +44,9 @@ func Api_V1_GeneralPage_Body(l map[string]*locale.LocaleConfig, langs []string,
 		}
 
 		values := fiber.Map{
-			"L":    l[lang],
-			"Lang": lang,
+			"L":           l[lang],
+			"Lang":        lang,
+			"QueryString": string(c.Request().URI().QueryString()),
 		}
 		var additionalTemplates []string
 
@@ -117,10 +118,11 @@ func Api_V1_GeneralPage_Body(l map[string]*locale.LocaleConfig, langs []string,
 				areaError = geolocationParts[2]
 			}
 
-			values["ParsedMarkdown"] = template.HTML(parsedMarkdown)
 			values["MapLocationX"] = x
 			values["MapLocationY"] = y
 			values["MapLocationAreaMeters"] = areaError
+			values["Title"] = metadata.Title
+			values["ParsedMarkdown"] = template.HTML(parsedMarkdown)
 
 			additionalTemplates = append(additionalTemplates, "views/pages/blog-page.html")
 		}
diff --git a/internal/router/api-v1-general-page-bottom-embeds.go b/internal/router/api-v1-general-page-bottom-embeds.go
new file mode 100644
index 0000000..f0957f3
--- /dev/null
+++ b/internal/router/api-v1-general-page-bottom-embeds.go
@@ -0,0 +1,65 @@
+package router
+
+import (
+	"fmt"
+	"log/slog"
+	"net/url"
+	"slices"
+	"strings"
+
+	"github.com/SayaAndy/saya-today-web/internal/b2"
+	"github.com/SayaAndy/saya-today-web/locale"
+	"github.com/gofiber/fiber/v2"
+)
+
+func init() {
+	tm.Add("general-page-bottom-embeds", "views/partials/general-page-bottom-embeds.html")
+}
+
+func Api_V1_GeneralPage_BottomEmbeds(l map[string]*locale.LocaleConfig, langs []string, b2Client *b2.B2Client) func(c *fiber.Ctx) error {
+	return func(c *fiber.Ctx) error {
+		c.Set(fiber.HeaderContentType, fiber.MIMETextPlainCharsetUTF8)
+
+		referer := c.Get("Referer", "")
+		if referer == "" {
+			return c.Status(fiber.ErrBadRequest.Code).SendString("'Referer' header is empty")
+		}
+		urlStruct, err := url.ParseRequestURI(referer)
+		if err != nil {
+			return c.Status(fiber.ErrBadRequest.Code).SendString(fmt.Sprintf("'Referer' header is invalid: %s", err.Error()))
+		}
+
+		path := urlStruct.EscapedPath()
+		pathParts := strings.Split(strings.Trim(path, "/"), "/")
+		if len(pathParts) < 2 {
+			return c.Status(fiber.ErrBadRequest.Code).SendString("'Referer' header is invalid: expect format '/{lang}/...'")
+		}
+
+		lang := pathParts[0]
+		if !slices.Contains(langs, lang) {
+			return c.Status(fiber.ErrNotFound.Code).SendString(fmt.Sprintf("server does not support '%s' language... yet??", lang))
+		}
+
+		values := fiber.Map{
+			"L":           l[lang],
+			"Lang":        lang,
+			"QueryString": string(c.Request().URI().QueryString()),
+		}
+		var additionalTemplates []string
+
+		if len(pathParts) == 2 && pathParts[1] == "blog" {
+			additionalTemplates = append(additionalTemplates, "views/pages/blog-catalogue.html")
+		} else if len(pathParts) == 3 && pathParts[1] == "blog" {
+			additionalTemplates = append(additionalTemplates, "views/pages/blog-page.html")
+		}
+
+		content, err := tm.Render("general-page-bottom-embeds", values, additionalTemplates...)
+		if err != nil {
+			slog.Warn("failed to generate div", slog.String("path", path), slog.String("error", err.Error()))
+			return c.Status(fiber.ErrInternalServerError.Code).SendString("failed to generate div")
+		}
+
+		c.Set(fiber.HeaderContentType, fiber.MIMETextHTMLCharsetUTF8)
+		return c.Status(fiber.StatusOK).Type("html").Send(content)
+	}
+}
diff --git a/internal/router/api-v1-general-page-footer.go b/internal/router/api-v1-general-page-footer.go
index 4c3a35e..39b6bea 100644
--- a/internal/router/api-v1-general-page-footer.go
+++ b/internal/router/api-v1-general-page-footer.go
@@ -40,8 +40,9 @@ func Api_V1_GeneralPage_Footer(l map[string]*locale.LocaleConfig, langs []string
 		}
 
 		values := fiber.Map{
-			"L":    l[lang],
-			"Lang": lang,
+			"L":           l[lang],
+			"Lang":        lang,
+			"QueryString": string(c.Request().URI().QueryString()),
 		}
 		var additionalTemplates []string
 
diff --git a/internal/router/api-v1-general-page-header.go b/internal/router/api-v1-general-page-header.go
index 045ff8b..0529ba6 100644
--- a/internal/router/api-v1-general-page-header.go
+++ b/internal/router/api-v1-general-page-header.go
@@ -41,8 +41,9 @@ func Api_V1_GeneralPage_Header(l map[string]*locale.LocaleConfig, langs []string
 		}
 
 		values := fiber.Map{
-			"L":    l[lang],
-			"Lang": lang,
+			"L":           l[lang],
+			"Lang":        lang,
+			"QueryString": string(c.Request().URI().QueryString()),
 		}
 		var additionalTemplates []string
 
diff --git a/internal/router/api-v1-general-page-top-embeds.go b/internal/router/api-v1-general-page-top-embeds.go
new file mode 100644
index 0000000..090107b
--- /dev/null
+++ b/internal/router/api-v1-general-page-top-embeds.go
@@ -0,0 +1,64 @@
+package router
+
+import (
+	"fmt"
+	"log/slog"
+	"net/url"
+	"slices"
+	"strings"
+
+	"github.com/SayaAndy/saya-today-web/locale"
+	"github.com/gofiber/fiber/v2"
+)
+
+func init() {
+	tm.Add("general-page-top-embeds", "views/partials/general-page-top-embeds.html")
+}
+
+func Api_V1_GeneralPage_TopEmbeds(l map[string]*locale.LocaleConfig, langs []string) func(c *fiber.Ctx) error {
+	return func(c *fiber.Ctx) error {
+		c.Set(fiber.HeaderContentType, fiber.MIMETextPlainCharsetUTF8)
+
+		referer := c.Get("Referer", "")
+		if referer == "" {
+			return c.Status(fiber.ErrBadRequest.Code).SendString("'Referer' header is empty")
+		}
+		urlStruct, err := url.ParseRequestURI(referer)
+		if err != nil {
+			return c.Status(fiber.ErrBadRequest.Code).SendString(fmt.Sprintf("'Referer' header is invalid: %s", err.Error()))
+		}
+
+		path := urlStruct.EscapedPath()
+		pathParts := strings.Split(strings.Trim(path, "/"), "/")
+		if len(pathParts) < 2 {
+			return c.Status(fiber.ErrBadRequest.Code).SendString("'Referer' header is invalid: expect format '/{lang}/...'")
+		}
+
+		lang := pathParts[0]
+		if !slices.Contains(langs, lang) {
+			return c.Status(fiber.ErrNotFound.Code).SendString(fmt.Sprintf("server does not support '%s' language... yet??", lang))
+		}
+
+		values := fiber.Map{
+			"L":           l[lang],
+			"Lang":        lang,
+			"QueryString": string(c.Request().URI().QueryString()),
+		}
+		var additionalTemplates []string
+
+		if len(pathParts) == 2 && pathParts[1] == "blog" {
+			additionalTemplates = append(additionalTemplates, "views/pages/blog-catalogue.html")
+		} else if len(pathParts) == 3 && pathParts[1] == "blog" {
+			additionalTemplates = append(additionalTemplates, "views/pages/blog-page.html")
+		}
+
+		content, err := tm.Render("general-page-top-embeds", values, additionalTemplates...)
+		if err != nil {
+			slog.Warn("failed to generate div", slog.String("path", path), slog.String("error", err.Error()))
+			return c.Status(fiber.ErrInternalServerError.Code).SendString("failed to generate div")
+		}
+
+		c.Set(fiber.HeaderContentType, fiber.MIMETextHTMLCharsetUTF8)
+		return c.Status(fiber.StatusOK).Type("html").Send(content)
+	}
+}
diff --git a/internal/router/lang-blog-title.go b/internal/router/lang-blog-title.go
index bafb0d2..d6ca917 100644
--- a/internal/router/lang-blog-title.go
+++ b/internal/router/lang-blog-title.go
@@ -56,6 +56,7 @@ func Lang_Blog_Title(l map[string]*locale.LocaleConfig, langs []string, b2Client
 			"MapLocationY":          y,
 			"MapLocationAreaMeters": areaError,
 			"Lang":                  lang,
+			"QueryString":           string(c.Request().URI().QueryString()),
 		})
 		if err != nil {
 			slog.Warn("failed to generate page", slog.String("page", "/"+lang+"/blog/"+c.Params("title")), slog.String("error", err.Error()))
diff --git a/internal/router/lang-blog.go b/internal/router/lang-blog.go
index dd3f079..38a6597 100644
--- a/internal/router/lang-blog.go
+++ b/internal/router/lang-blog.go
@@ -76,6 +76,7 @@ func Lang_Blog(l map[string]*locale.LocaleConfig, langs []string, b2Client *b2.B
 		content, err := tm.Render("blog-catalogue", fiber.Map{
 			"QuerySort":     querySort,
 			"QueryTags":     strings.Join(queryTags, ","),
+			"QueryString":   string(c.Request().URI().QueryString()),
 			"Tags":          tagsArray,
 			"Lang":          lang,
 			"L":             l[lang],