1 files changed, 74 insertions, 0 deletions
diff --git a/internal/router/handlers/api-v1-like-put.go b/internal/router/handlers/api-v1-like-put.go
new file mode 100644
index 0000000..ea4ef4b
--- /dev/null
+++ b/internal/router/handlers/api-v1-like-put.go
@@ -0,0 +1,74 @@
+package handlers
+
+import (
+	"fmt"
+	"log/slog"
+	"strconv"
+
+	"github.com/SayaAndy/saya-today-web/internal/router"
+	"github.com/gofiber/fiber/v2"
+)
+
+type PutLikeHandler struct {
+	router.BasicHandler
+}
+
+func init() {
+	router.Routes = append(router.Routes, &PutLikeHandler{})
+}
+
+func (r *PutLikeHandler) Filter() (method string, path string) {
+	return "PUT", "/api/v1/like"
+}
+
+func (r *PutLikeHandler) IsTemplated() bool {
+	return false
+}
+
+func (r *PutLikeHandler) TemplatesToInject() []string {
+	return []string{"views/partials/blog-page-like-button.html"}
+}
+
+func (r *PutLikeHandler) ToCache() router.CacheSetting {
+	return router.Disabled
+}
+
+func (r *PutLikeHandler) ToValidateLang() router.LangSetting {
+	return router.InReferer
+}
+
+func (r *PutLikeHandler) Render(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (statusCode int, err error) {
+	path, pathParts, _, err := router.GetPathFromReferer(c)
+	if err != nil {
+		return fiber.StatusBadRequest, fmt.Errorf("error getting path from referer: %w", err)
+	}
+
+	if len(pathParts) != 3 && pathParts[1] != "blog" {
+		return fiber.StatusBadRequest, fmt.Errorf("invalid path format: expected '/:lang/blog/:page', got '%s'", path)
+	}
+
+	page := pathParts[2]
+	pageLink := lang + "/" + page + ".md"
+	if pages, _ := supplements.B2Client.Scan(pageLink); len(pages) == 0 {
+		return fiber.StatusNotFound, fmt.Errorf("server did not find '%s' article", pageLink)
+	}
+
+	newLikeStatus, err := strconv.ParseBool(c.FormValue("like", "true"))
+	if err != nil {
+		return fiber.StatusBadRequest, fmt.Errorf("invalid like value '%s'", c.FormValue("like"))
+	}
+
+	ip := c.IP()
+	if newLikeStatus {
+		supplements.ClientCache.LikeOn(ip, page)
+	} else {
+		supplements.ClientCache.LikeOff(ip, page)
+	}
+
+	slog.Debug("someone pressed the like button!", slog.String("ip", ip), slog.String("page", page), slog.String("new_like_status", fmt.Sprint(newLikeStatus)))
+	templateMap["Liked"] = newLikeStatus
+	templateMap["LikedCount"] = supplements.ClientCache.GetLikeCount(page)
+	templateMap["StatusId"] = "email-message"
+
+	return fiber.StatusOK, nil
+}