preferences, some fixes, dependency changes

lib/preferences/init.go

@@ -0,0 +1,116 @@
+package preferences
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/maid-zone/soundcloak/lib/cfg"
+	"github.com/maid-zone/soundcloak/templates"
+)
+
+func Defaults(dst *cfg.Preferences) {
+	if dst.Player == nil {
+		dst.Player = cfg.DefaultPreferences.Player
+	}
+
+	if dst.ProxyStreams == nil {
+		dst.ProxyStreams = cfg.DefaultPreferences.ProxyStreams
+	}
+
+	if dst.FullyPreloadTrack == nil {
+		dst.FullyPreloadTrack = cfg.DefaultPreferences.FullyPreloadTrack
+	}
+
+	if dst.ProxyImages == nil {
+		dst.ProxyImages = cfg.DefaultPreferences.ProxyImages
+	}
+}
+
+func Get(c *fiber.Ctx) (cfg.Preferences, error) {
+	rawprefs := c.Cookies("prefs", "{}")
+	var p cfg.Preferences
+
+	err := json.Unmarshal([]byte(rawprefs), &p)
+	if err != nil {
+		return p, err
+	}
+	Defaults(&p)
+
+	return p, err
+}
+
+type PrefsForm struct {
+	ProxyImages       string
+	Player            string
+	ProxyStreams      string
+	FullyPreloadTrack string
+}
+
+func Load(r fiber.Router) {
+	r.Get("/_/preferences", func(c *fiber.Ctx) error {
+		p, err := Get(c)
+		if err != nil {
+			return err
+		}
+
+		c.Set("Content-Type", "text/html")
+		return templates.Base("preferences", templates.Preferences(p), nil).Render(context.Background(), c)
+	})
+
+	r.Post("/_/preferences", func(c *fiber.Ctx) error {
+		var p PrefsForm
+		err := c.BodyParser(&p)
+		if err != nil {
+			return err
+		}
+
+		old, err := Get(c)
+		if err != nil {
+			return err
+		}
+
+		var f bool
+		var t bool = true
+		if *old.Player == "hls" {
+			if cfg.ProxyStreams {
+				if p.ProxyStreams == "on" {
+					old.ProxyStreams = &cfg.ProxyStreams // true!
+				} else if p.ProxyStreams == "" {
+					old.ProxyStreams = &f
+				}
+			}
+
+			if p.FullyPreloadTrack == "on" {
+				old.FullyPreloadTrack = &t
+			} else if p.FullyPreloadTrack == "" {
+				old.FullyPreloadTrack = &f
+			}
+		}
+
+		if cfg.ProxyImages {
+			if p.ProxyImages == "on" {
+				old.ProxyImages = &cfg.ProxyImages // true!
+			} else if p.ProxyImages == "" {
+				old.ProxyImages = &f
+			}
+		}
+		old.Player = &p.Player
+
+		data, err := json.Marshal(old)
+		if err != nil {
+			return err
+		}
+
+		c.Cookie(&fiber.Cookie{
+			Name:     "prefs",
+			Value:    string(data),
+			Expires:  time.Now().Add(400 * 24 * time.Hour),
+			HTTPOnly: true,
+			SameSite: "strict",
+		})
+
+		return c.Redirect("/_/preferences")
+	})
+}