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|
package main
import (
"bytes"
"flag"
"fmt"
"html/template"
"log"
"log/slog"
"os"
"strconv"
"strings"
"github.com/SayaAndy/saya-today-web/config"
"github.com/SayaAndy/saya-today-web/internal/b2"
"github.com/SayaAndy/saya-today-web/internal/frontmatter"
"github.com/SayaAndy/saya-today-web/internal/lightgallery"
"github.com/SayaAndy/saya-today-web/internal/tailwind"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/template/html/v2"
"github.com/yuin/goldmark"
"github.com/yuin/goldmark/parser"
gmhtml "github.com/yuin/goldmark/renderer/html"
)
var (
md = goldmark.New(
goldmark.WithExtensions(
lightgallery.NewLightGalleryExtension(),
tailwind.NewTailwindExtension(),
),
goldmark.WithParserOptions(
parser.WithAutoHeadingID(),
),
goldmark.WithRendererOptions(
gmhtml.WithXHTML(),
),
)
b2Client *b2.B2Client
configPath = flag.String("c", "config.yaml", "Path to the configuration file (in YAML format)")
)
func main() {
var err error
flag.Parse()
cfg := &config.Config{}
if err := config.LoadConfig(*configPath, cfg); err != nil {
slog.Error("fail to load configuration", slog.String("error", err.Error()))
os.Exit(1)
}
slog.SetLogLoggerLevel(cfg.LogLevel)
slog.Info("starting sayana-web server...")
b2Client, err = b2.NewB2Client(&cfg.BlogPages.Storage.Config)
if err != nil {
slog.Error("fail to initialize b2 client", slog.String("error", err.Error()))
os.Exit(1)
}
engine := html.New("./views", ".html")
app := fiber.New(fiber.Config{
Views: engine,
})
app.Get("/", func(c *fiber.Ctx) error {
pages, err := b2Client.Scan()
status := fiber.StatusOK
if err != nil {
status = fiber.StatusPartialContent
pages = []*b2.BlogPage{}
}
pageMeta := make([]map[string]string, 0, len(pages))
for _, page := range pages {
slog.Debug("enlist page for catalogue", slog.Any("page", page), slog.String("endpoint", "/"))
pageMeta = append(pageMeta, map[string]string{
"Link": page.Link,
"Title": page.Metadata.Title,
"PublishedTime": page.Metadata.PublishedTime.Format("2006-01-02 15:04:05 -0700"),
"ActionDate": page.Metadata.ActionDate,
"ShortDescription": page.Metadata.ShortDescription,
"Thumbnail": page.Metadata.Thumbnail,
"Tags": strings.Join(page.Metadata.Tags, ", "),
})
}
return c.Status(status).Render("index", fiber.Map{
"PublishedYear": "2025",
"BlogPages": pageMeta,
})
})
app.Get("/blog/:lang/:title", func(c *fiber.Ctx) error {
metadata, parsedMarkdownDesktop, parsedMarkdownMobile, err := readBlogPost(c.Params("lang") + "/" + c.Params("title"))
if err != nil {
c.Set(fiber.HeaderContentType, fiber.MIMETextPlainCharsetUTF8)
return c.Status(fiber.ErrNotFound.Code).SendString(fmt.Sprintf("failed to find '%s' post", c.Params("title")))
}
geolocationParts := strings.Split(metadata.Geolocation, " ")
var x, y, areaError string
if len(geolocationParts) >= 2 {
x = geolocationParts[0]
y = geolocationParts[1]
}
if len(geolocationParts) >= 3 {
areaError = geolocationParts[2]
}
return c.Render("layouts/blog-page", fiber.Map{
"Title": metadata.Title,
"PublishedDate": metadata.PublishedTime.Format("2006-01-02 15:04:05 -07:00"),
"PublishedYear": strconv.Itoa(metadata.PublishedTime.Year()),
"ParsedMarkdownDesktop": template.HTML(parsedMarkdownDesktop),
"ParsedMarkdownMobile": template.HTML(parsedMarkdownMobile),
"MapLocationX": x,
"MapLocationY": y,
"MapLocationAreaMeters": areaError,
})
})
app.Static("/", "./static")
log.Fatal(app.Listen(":3000"))
}
func readBlogPost(sourceName string) (metadata *frontmatter.Metadata, desktopBody string, mobileBody string, err error) {
metadata, markdown, err := b2Client.ReadFrontmatter(sourceName + ".md")
if err != nil {
return nil, "", "", fmt.Errorf("failed to read a frontmatter file: %w", err)
}
var bufDesktop bytes.Buffer
if err := md.Convert(markdown, &bufDesktop); err != nil {
return nil, "", "", fmt.Errorf("convert source context from md to html (desktop version): %w", err)
}
var bufMobile bytes.Buffer
if err := md.Convert(markdown, &bufMobile); err != nil {
return nil, "", "", fmt.Errorf("convert source context from md to html (mobile version): %w", err)
}
return metadata, bufDesktop.String(), bufMobile.String(), nil
}
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