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package main
import (
"database/sql"
"errors"
"flag"
"log/slog"
"os"
"os/signal"
"syscall"
"github.com/SayaAndy/saya-today-web/config"
"github.com/SayaAndy/saya-today-web/internal/b2"
"github.com/SayaAndy/saya-today-web/internal/factgiver"
"github.com/SayaAndy/saya-today-web/internal/glightbox"
"github.com/SayaAndy/saya-today-web/internal/router"
"github.com/SayaAndy/saya-today-web/internal/tailwind"
"github.com/SayaAndy/saya-today-web/locale"
"github.com/dgraph-io/ristretto/v2"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/fiber/v2/middleware/cors"
"github.com/golang-migrate/migrate/v4"
"github.com/golang-migrate/migrate/v4/database/sqlite3"
"github.com/yuin/goldmark"
"github.com/yuin/goldmark/parser"
gmhtml "github.com/yuin/goldmark/renderer/html"
_ "github.com/golang-migrate/migrate/v4/source/file"
_ "github.com/mattn/go-sqlite3"
)
var (
md = goldmark.New(
goldmark.WithExtensions(
glightbox.NewGLightboxExtension(),
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)")
availableLanguages = make([]string, 0)
localization = make(map[string]*locale.LocaleConfig)
)
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...")
db, err := sql.Open(cfg.Auth.Db.Type, cfg.Auth.Db.Cfg.DSN)
if err != nil {
slog.Error("fail to initialize db", slog.String("error", err.Error()))
os.Exit(1)
}
driver, err := sqlite3.WithInstance(db, &sqlite3.Config{})
if err != nil {
slog.Error("fail to initialize driver for migrating db", slog.String("error", err.Error()))
os.Exit(1)
}
m, err := migrate.NewWithDatabaseInstance(
"file://migrations",
cfg.Auth.Db.Type, driver)
if err != nil {
slog.Error("fail to initialize migration client", slog.String("error", err.Error()))
os.Exit(1)
}
if err = m.Up(); err != nil && err == errors.New("no change") {
slog.Error("fail to apply migrations", slog.String("error", err.Error()))
os.Exit(1)
}
slog.Info("successfully applied migrations")
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)
}
for _, lang := range cfg.AvailableLanguages {
localeCfg, err := locale.InitConfig(cfg.LocalePath + lang.LocFile)
if err != nil {
slog.Warn("fail to initialize a locale", slog.String("locale", lang.Name), slog.String("error", err.Error()))
continue
}
availableLanguages = append(availableLanguages, lang.Name)
localization[lang.Name] = localeCfg
}
app := fiber.New(fiber.Config{
ProxyHeader: "X-Forwarded-For",
})
app.Use(cors.New(cors.Config{
AllowOrigins: "https://f003.backblazeb2.com",
AllowMethods: "GET,POST,OPTIONS",
AllowHeaders: "Origin, Content-Type, Accept",
}))
router.CCache, err = router.NewClientCache(db, []byte(cfg.Auth.Salt))
if err != nil {
slog.Error("fail to initialize client cache", slog.String("error", err.Error()))
os.Exit(1)
}
router.PCache, err = ristretto.NewCache(&ristretto.Config[string, []byte]{
NumCounters: 1e6, // 1,000,000
MaxCost: 1 << 29, // 512 MB
BufferItems: 64, // number of keys per Get buffer.
})
if err != nil {
slog.Error("fail to initialize page cache", slog.String("error", err.Error()))
os.Exit(1)
}
router.FactGiver, err = factgiver.NewFactGiver(&cfg.FactGiver, availableLanguages)
if err != nil {
slog.Error("fail to initialize fact giver", slog.String("error", err.Error()))
os.Exit(1)
}
app.Get("/", router.Root(cfg.AvailableLanguages))
app.Get("/:lang<len(2)>", router.Api_V1_GeneralPage(localization, availableLanguages))
app.Get("/:lang/map", router.Lang_Map(localization, availableLanguages, b2Client))
app.Get("/:lang/blog", router.Api_V1_GeneralPage(localization, availableLanguages))
app.Get("/:lang/blog/:title", router.Api_V1_GeneralPage(localization, availableLanguages))
app.Get("/api/v1/tz", router.Api_V1_TZ())
app.Get("/api/v1/blog-search", router.Api_V1_BlogSearch(localization, availableLanguages, b2Client))
app.Get("/api/v1/like", router.Api_V1_Like_Get(localization, b2Client))
app.Put("/api/v1/like", router.Api_V1_Like_Put(localization, b2Client))
app.Get("/api/v1/general-page/header", router.Api_V1_GeneralPage_Header(localization, availableLanguages, b2Client))
app.Get("/api/v1/general-page/body", router.Api_V1_GeneralPage_Body(localization, availableLanguages, b2Client, md))
app.Get("/api/v1/general-page/footer", router.Api_V1_GeneralPage_Footer(localization, availableLanguages))
app.Get("/api/v1/general-page/top-embeds", router.Api_V1_GeneralPage_TopEmbeds(localization, availableLanguages))
app.Get("/api/v1/general-page/bottom-embeds", router.Api_V1_GeneralPage_BottomEmbeds(localization, availableLanguages, b2Client))
app.Static("/", "./static")
go func() {
if err := app.Listen(":3000"); err != nil {
slog.Error("error while running fiber server", slog.String("error", err.Error()))
panic(err)
}
}()
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
<-sigChan
slog.Info("gracefully shutting down...")
if err = app.Shutdown(); err != nil {
slog.Error("fail to shutdown fiber server", slog.String("error", err.Error()))
}
if err = router.CCache.Close(); err != nil {
slog.Error("fail to dump cache", slog.String("error", err.Error()))
}
if err = db.Close(); err != nil {
slog.Error("fail to close db connection", slog.String("error", err.Error()))
}
router.PCache.Close()
db.Close()
}
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