5 files changed, 43 insertions, 1 deletions
diff --git a/internal/router/handlers/lang-blog-title.go b/internal/router/handlers/lang-blog-title.go
index 0f4f564..97de089 100644
--- a/internal/router/handlers/lang-blog-title.go
+++ b/internal/router/handlers/lang-blog-title.go
@@ -46,6 +46,20 @@ func (r *BlogPageHandler) ToValidateLang() router.LangSetting {
 	return router.InPath
 }
 
+func (r *BlogPageHandler) AddMeta(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (meta map[string]string, err error) {
+	metadata, _, err := supplements.B2Client.ReadFrontmatter(lang + "/" + c.Params("title") + ".md")
+	if err != nil {
+		return nil, fmt.Errorf("failed to read frontmatter of the desired blog post: %w", err)
+	}
+
+	return map[string]string{
+		"og:title":       metadata.Title,
+		"og:description": fmt.Sprintf("%s [%s]", metadata.ShortDescription, metadata.ActionDate),
+		"og:image":       fmt.Sprintf("https://f003.backblazeb2.com/file/sayana-photos/webp-320p/%s.webp", metadata.Thumbnail),
+		"twitter:card":   "summary_large_image",
+	}, nil
+}
+
 func (r *BlogPageHandler) RenderBody(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (statusCode int, err error) {
 	_, pathParts, _, err := router.GetPathFromReferer(c)
 	if err != nil {
diff --git a/internal/router/handlers/lang-map.go b/internal/router/handlers/lang-map.go
index dbf1437..7df6104 100644
--- a/internal/router/handlers/lang-map.go
+++ b/internal/router/handlers/lang-map.go
@@ -3,6 +3,7 @@ package handlers
 import (
 	"fmt"
 	"log/slog"
+	"slices"
 	"strconv"
 	"strings"
 
@@ -41,6 +42,9 @@ func (r *MapHandler) ToValidateLang() router.LangSetting {
 
 func (r *MapHandler) Render(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (statusCode int, err error) {
 	pages, err := supplements.B2Client.Scan(lang + "/")
+	slices.SortFunc(pages, func(a *b2.BlogPage, b *b2.BlogPage) int {
+		return a.Metadata.PublishedTime.Compare(b.Metadata.PublishedTime)
+	})
 	status := fiber.StatusOK
 	if err != nil {
 		slog.Error("received an error while scanning b2 pages",
@@ -52,6 +56,7 @@ func (r *MapHandler) Render(c *fiber.Ctx, supplements *router.Supplements, lang
 	}
 
 	type MapMarker struct {
+		Index          int     `json:"Index"`
 		Title          string  `json:"Title"`
 		PageLink       string  `json:"PageLink"`
 		Lat            float64 `json:"Lat"`
@@ -61,7 +66,7 @@ func (r *MapHandler) Render(c *fiber.Ctx, supplements *router.Supplements, lang
 	}
 
 	mapMarkers := make([]*MapMarker, 0, len(pages))
-	for _, page := range pages {
+	for i, page := range pages {
 		geolocationParts := strings.Split(page.Metadata.Geolocation, " ")
 		if len(geolocationParts) < 2 {
 			continue
@@ -78,6 +83,7 @@ func (r *MapHandler) Render(c *fiber.Ctx, supplements *router.Supplements, lang
 		}
 
 		mapMarkers = append(mapMarkers, &MapMarker{
+			Index:          i,
 			Title:          page.Metadata.Title,
 			PageLink:       fmt.Sprintf("/%s/blog/%s", lang, page.FileName),
 			Lat:            x,
diff --git a/internal/router/handlers/lang-user.go b/internal/router/handlers/lang-user.go
index db566fe..c22bcac 100644
--- a/internal/router/handlers/lang-user.go
+++ b/internal/router/handlers/lang-user.go
@@ -37,6 +37,13 @@ func (r *UserHandler) ToValidateLang() router.LangSetting {
 	return router.InPath
 }
 
+func (r *UserHandler) AddMeta(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (meta map[string]string, err error) {
+	return map[string]string{
+		"og:title":       supplements.Localization[lang].BlogSearch.Header,
+		"og:description": supplements.Localization[lang].BlogSearch.Description,
+	}, nil
+}
+
 func (r *UserHandler) RenderBody(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (statusCode int, err error) {
 	templateMap["Title"] = supplements.Localization[lang].UserProfile.Header
 
diff --git a/internal/router/handlers/lang.go b/internal/router/handlers/lang.go
index fc4deb6..74166ae 100644
--- a/internal/router/handlers/lang.go
+++ b/internal/router/handlers/lang.go
@@ -41,6 +41,14 @@ func (r *HomeHandler) ToValidateLang() router.LangSetting {
 	return router.InPath
 }
 
+func (r *HomeHandler) AddMeta(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (meta map[string]string, err error) {
+	return map[string]string{
+		"og:title":       supplements.Localization[lang].HomePage.Header,
+		"og:description": supplements.Localization[lang].HomePage.HomePageDescription,
+		"og:image":       "https://f003.backblazeb2.com/file/sayana-static/home-page-gifs/" + fmt.Sprintf("otter-%d.gif", rand.Int()%3+1),
+	}, nil
+}
+
 func (r *HomeHandler) RenderBody(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (statusCode int, err error) {
 	templateMap["Title"] = supplements.Localization[lang].HomePage.Header
 	templateMap["FilledHeartCount"] = uint(40)
diff --git a/internal/router/handlers/root.go b/internal/router/handlers/root.go
index c8c4cd4..9f15782 100644
--- a/internal/router/handlers/root.go
+++ b/internal/router/handlers/root.go
@@ -35,6 +35,13 @@ func (r *RootHandler) CacheDuration() time.Duration {
 	return 24 * time.Hour
 }
 
+func (r *RootHandler) AddMeta(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (meta map[string]string, err error) {
+	return map[string]string{
+		"og:title":       "Saya Blog",
+		"og:description": "The blog of a 25 years old, travelling God knows where, proud to be not mainstream // Личный блог 25-летки, странствующего по ебеням, зато не мейнстрим",
+	}, nil
+}
+
 func (r *RootHandler) RenderBody(c *fiber.Ctx, supplements *router.Supplements, _ string, templateMap fiber.Map) (statusCode int, err error) {
 	templateMap["Title"] = "Choose Your Language"
 	templateMap["AvailableLanguages"] = supplements.AvailableLanguages