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package router
import (
"fmt"
"log/slog"
"net/url"
"regexp"
"slices"
"strings"
"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("blog-catalogue", "views/layouts/general-page.html", "views/pages/blog-catalogue.html")
}
func Lang_Blog(l map[string]*locale.LocaleConfig, langs []config.AvailableLanguageConfig, b2Client *b2.B2Client) func(c *fiber.Ctx) error {
return func(c *fiber.Ctx) error {
lang := c.Params("lang")
for _, availableLang := range langs {
if availableLang.Name == lang {
goto langIsAvailable
}
}
return c.Status(fiber.ErrNotFound.Code).SendString(fmt.Sprintf("server does not support '%s' language", lang))
langIsAvailable:
querySort := c.Query("sort")
if querySort == "" {
querySort = "publicationDateDesc"
}
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)
queryTags := make([]string, 0, len(matches))
for _, match := range matches {
queryTags = append(queryTags, string(match[1]))
}
pages, err := b2Client.Scan(lang + "/")
status := fiber.StatusOK
if err != nil {
status = fiber.StatusPartialContent
pages = []*b2.BlogPage{}
}
tagsMap := make(map[string]int)
for _, page := range pages {
for _, tag := range page.Metadata.Tags {
tagsMap[tag]++
}
}
slog.Debug("enlist pages for catalogue", slog.Int("tag_count", len(tagsMap)), slog.Int("page_count", len(pages)), slog.String("path", c.Path()))
type Tag struct {
Name string `json:"Name" yaml:"name"`
Count int `json:"Count" yaml:"count"`
}
tagsArray := make([]Tag, 0, len(tagsMap))
for tag, count := range tagsMap {
tagsArray = append(tagsArray, Tag{tag, count})
}
slices.SortFunc(tagsArray, func(a Tag, b Tag) int {
return strings.Compare(a.Name, b.Name)
})
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],
"PublishedYear": "2025",
"Title": l[lang].BlogSearch.Header,
})
if err != nil {
slog.Warn("failed to generate page", slog.String("path", c.Path()), slog.String("error", err.Error()))
c.Set(fiber.HeaderContentType, fiber.MIMETextPlainCharsetUTF8)
return c.Status(fiber.ErrInternalServerError.Code).SendString("failed to generate page")
}
return c.Type("html").Status(status).Send(content)
}
}
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