[feat] use a config file to check when to produce the next notification

1 files changed, 74 insertions, 0 deletions

diff --git a/config.go b/config.go
new file mode 100644
index 0000000..0a769aa
--- /dev/null
+++ b/config.go
@@ -0,0 +1,74 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+	"path"
+	"time"
+
+	"0xacab.org/leap/bitmask-systray/bitmask"
+)
+
+const (
+	oneDay   = time.Hour * 24
+	oneMonth = oneDay * 30
+)
+
+var (
+	configPath = path.Join(bitmask.ConfigPath, "systray.json")
+)
+
+type systrayConfig struct {
+	LastNotification time.Time
+	Donated          time.Time
+}
+
+func parseConfig() (*systrayConfig, error) {
+	var conf systrayConfig
+
+	f, err := os.Open(configPath)
+	if os.IsNotExist(err) {
+		return &conf, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	dec := json.NewDecoder(f)
+	err = dec.Decode(&conf)
+	return &conf, err
+}
+
+func (c *systrayConfig) hasDonated() bool {
+	log.Println("has donated ", c.Donated.Add(oneMonth))
+	return c.Donated.Add(oneMonth).After(time.Now())
+}
+
+func (c *systrayConfig) needsNotification() bool {
+	log.Println("needs ", c.LastNotification.Add(oneDay))
+	log.Println(!c.hasDonated() && c.LastNotification.Add(oneDay).Before(time.Now()))
+	return !c.hasDonated() && c.LastNotification.Add(oneDay).Before(time.Now())
+}
+
+func (c *systrayConfig) setNotification() error {
+	c.LastNotification = time.Now()
+	return c.save()
+}
+
+func (c *systrayConfig) setDonated() error {
+	c.Donated = time.Now()
+	return c.save()
+}
+
+func (c *systrayConfig) save() error {
+	f, err := os.Create(configPath)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	enc := json.NewEncoder(f)
+	return enc.Encode(c)
+}