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package handlers
import (
"encoding/json"
"fmt"
"log/slog"
"net/url"
"regexp"
"slices"
"strings"
"time"
"github.com/SayaAndy/saya-today-web/internal/blog"
"github.com/SayaAndy/saya-today-web/internal/router"
"github.com/gofiber/fiber/v2"
)
type BlogSearchHandler struct {
router.BasicHandler
getTagsQuery *regexp.Regexp
}
func init() {
router.Routes = append(router.Routes, &BlogSearchHandler{getTagsQuery: regexp.MustCompile(`tags\[\]=([\w]+)`)})
}
func (r *BlogSearchHandler) Filter() (method string, path string) {
return "GET", "/api/v1/blog-search"
}
func (r *BlogSearchHandler) IsTemplated() bool {
return false
}
func (r *BlogSearchHandler) TemplatesToInject() []string {
return []string{"views/partials/catalogue-blog-cards.html", "views/partials/catalogue-blog-card-tags.html"}
}
func (r *BlogSearchHandler) ToCache() router.CacheSetting {
return router.Disabled
}
func (r *BlogSearchHandler) ToValidateLang() router.LangSetting {
return router.InForm
}
func (r *BlogSearchHandler) Render(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (statusCode int, err error) {
sort := c.Query("sort")
tz := c.Query("tz")
loc, err := time.LoadLocation(tz)
if err != nil {
loc = time.UTC
slog.Warn("unable to parse a client timezone, defaulting to UTC", slog.String("error", err.Error()), slog.String("tz", tz))
}
cacheKey := "blog-search." + lang + ".pages-list"
var pages []*blog.Page
if pagesBytes, ok := supplements.PageCache.Get(cacheKey); pagesBytes != nil || ok {
json.Unmarshal(pagesBytes, &pages)
} else {
pages, err = supplements.BlogClient.Scan(lang + "/")
if err != nil {
return fiber.StatusInternalServerError, fmt.Errorf("failed to scan pages for '%s' lang: %w", lang, err)
}
pagesBytes, _ := json.Marshal(pages)
supplements.PageCache.SetWithTTL(cacheKey, pagesBytes, int64(len(pagesBytes)), r.CacheDuration())
}
encodedQuery := c.Request().URI().QueryString()
decodedQuery, _ := url.QueryUnescape(string(encodedQuery))
matches := r.getTagsQuery.FindAllStringSubmatch(decodedQuery, -1)
tags := make([]string, 0, len(matches))
for _, match := range matches {
tags = append(tags, string(match[1]))
}
pageMeta := make([]fiber.Map, 0, len(pages))
for _, page := range pages {
for _, tag := range page.Metadata.Tags {
if len(tags) == 0 || slices.Contains(tags, tag) {
pageMeta = append(pageMeta, fiber.Map{
"Link": page.Link,
"ArticleLink": "/" + lang + "/blog/" + page.FileName,
"Title": page.Metadata.Title,
"PublishedTime": page.Metadata.PublishedTime.In(loc).Format("2006-01-02 15:04:05 -07:00"),
"ActionDate": page.Metadata.ActionDate,
"ShortDescription": page.Metadata.ShortDescription,
"Thumbnail": page.Metadata.Thumbnail,
"Tags": page.Metadata.Tags,
"LikeCount": supplements.ClientCache.GetLikeCount(page.FileName),
"Liked": supplements.ClientCache.GetLikeStatus(c.IP(), page.FileName),
"ViewCount": supplements.ClientCache.GetViewCount(page.FileName),
"Viewed": supplements.ClientCache.GetViewStatus(c.IP(), page.FileName),
})
break
}
}
}
slices.SortFunc(pageMeta, func(a, b fiber.Map) int {
switch sort {
case "titleAsc":
return strings.Compare(a["Title"].(string), b["Title"].(string))
case "titleDesc":
return strings.Compare(b["Title"].(string), a["Title"].(string))
case "actionDateAsc":
return strings.Compare(a["ActionDate"].(string), b["ActionDate"].(string))
case "actionDateDesc":
return strings.Compare(b["ActionDate"].(string), a["ActionDate"].(string))
case "publicationDateAsc":
publishedTimeA, _ := time.Parse("2006-01-02 15:04:05 -07:00", a["PublishedTime"].(string))
publishedTimeB, _ := time.Parse("2006-01-02 15:04:05 -07:00", b["PublishedTime"].(string))
return publishedTimeA.Compare(publishedTimeB)
case "publicationDateDesc":
publishedTimeA, _ := time.Parse("2006-01-02 15:04:05 -07:00", a["PublishedTime"].(string))
publishedTimeB, _ := time.Parse("2006-01-02 15:04:05 -07:00", b["PublishedTime"].(string))
return publishedTimeB.Compare(publishedTimeA)
}
return 0
})
templateMap["BlogPages"] = pageMeta
return fiber.StatusOK, nil
}
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