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|
package router
import (
"encoding/json"
"fmt"
"log/slog"
"net/url"
"regexp"
"slices"
"strings"
"time"
"github.com/SayaAndy/saya-today-web/config"
"github.com/SayaAndy/saya-today-web/internal/b2"
"github.com/SayaAndy/saya-today-web/locale"
"github.com/gofiber/fiber/v2"
)
func init() {
tm.Add("catalogue-blog-cards", "views/partials/catalogue-blog-cards.html", "views/partials/catalogue-blog-card-tags.html")
}
func Api_V1_BlogSearch(l map[string]*locale.LocaleConfig, langs []config.AvailableLanguageConfig, b2Client *b2.B2Client) func(c *fiber.Ctx) error {
return func(c *fiber.Ctx) error {
sort := c.Query("sort")
lang := c.Query("lang")
tz := c.Query("tz")
for _, availableLang := range langs {
if availableLang.Name == lang {
goto langIsAvailable
}
}
c.Set(fiber.HeaderContentType, fiber.MIMETextPlainCharsetUTF8)
return c.Status(fiber.ErrNotFound.Code).SendString(fmt.Sprintf("server does not support '%s' language", lang))
langIsAvailable:
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 []*b2.BlogPage
if pagesBytes, ok := PCache.Get(cacheKey); pagesBytes != nil || ok {
json.Unmarshal(pagesBytes, &pages)
} else {
pages, err = b2Client.Scan(lang + "/")
if err != nil {
c.Set(fiber.HeaderContentType, fiber.MIMETextPlainCharsetUTF8)
return c.Status(fiber.ErrInternalServerError.Code).SendString(fmt.Sprintf("failed to scan pages for '%s' lang: %v", lang, err))
}
pagesBytes, _ := json.Marshal(pages)
PCache.SetWithTTL(cacheKey, pagesBytes, int64(len(pagesBytes)), 5*time.Minute)
}
encodedQuery := c.Request().URI().QueryString()
re, err := regexp.Compile(`tags\[\]=([\w]+)`)
if err != nil {
slog.Warn("failed to generate regex for tags gathering", slog.String("error", err.Error()))
c.Set(fiber.HeaderContentType, fiber.MIMETextPlainCharsetUTF8)
return c.Status(fiber.ErrInternalServerError.Code).SendString("failed to generate regex for tags gathering")
}
decodedQuery, _ := url.QueryUnescape(string(encodedQuery))
matches := re.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": CCache.GetLikeCount(page.FileName),
"ViewCount": CCache.GetViewCount(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
})
content, err := tm.Render("catalogue-blog-cards", fiber.Map{
"BlogPages": pageMeta,
"L": l[lang],
})
if err != nil {
slog.Warn("failed to generate div", slog.String("page", "/"+lang+"/blog"), slog.String("error", err.Error()))
c.Set(fiber.HeaderContentType, fiber.MIMETextPlainCharsetUTF8)
return c.Status(fiber.ErrInternalServerError.Code).SendString("failed to generate div")
}
return c.Type("html").Send(content)
}
}
|
