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package processors
import (
"encoding/json"
"fmt"
"imageboard/config"
"github.com/gofiber/fiber/v2"
)
func PreferencesContextProcessor(context *fiber.Ctx) error {
defaultPreferences := config.SitePreferences{
SidebarWidth: "220px",
MainContentWidth: "1200px",
H1FontSize: "16px",
BodyFontSize: "13px",
SmallFontSize: "11px",
PostsPerPage: 42,
}
preferences := defaultPreferences
preferencesCookie := context.Cookies("preferences")
if preferencesCookie != "" {
_ = json.Unmarshal([]byte(preferencesCookie), &preferences)
}
bytes, err := json.Marshal(preferences)
if err == nil {
context.Cookie(&fiber.Cookie{
Name: "preferences",
Value: string(bytes),
Path: "/",
SameSite: fiber.CookieSameSiteLaxMode,
})
}
context.Locals("Preferences", preferences)
context.Locals("PreferencesCSS", preferencesToCSS(preferences))
return context.Next()
}
func preferencesToCSS(preferences config.SitePreferences) string {
return fmt.Sprintf(`
<style>
main {
width: %s;
}
body {
font-size: %s;
}
h1 {
font-size: %s;
}
small {
font-size: %s;
}
.sidebar {
width: %s;
}
</style>`,
preferences.MainContentWidth,
preferences.BodyFontSize,
preferences.H1FontSize,
preferences.SmallFontSize,
preferences.SidebarWidth,
)
}
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