init: mvp

internal/entity/upgrades/condition.go

@@ -0,0 +1,68 @@
+package upgrades
+
+import (
+	"encoding/json"
+)
+
+type Type string
+
+const (
+	byUpgrade                Type = "ByUpgrade"
+	referralCount            Type = "ReferralCount"
+	moreReferralCount        Type = "MoreReferralsCount"
+	subscribeTelegramChannel Type = "SubscribeTelegramChannel"
+)
+
+type Condition struct {
+	Type                     Type
+	ByUpgrade                *ByUpgrade
+	ReferralCount            *ReferralCount
+	MoreReferralCount        *MoreReferralCount
+	SubscribeTelegramChannel *SubscribeTelegramChannel
+}
+
+type ByUpgrade struct {
+	Level     int
+	UpgradeID string
+}
+
+type ReferralCount struct {
+	ReferralCount int
+}
+
+type MoreReferralCount struct {
+	MoreReferralCount int
+}
+
+type SubscribeTelegramChannel struct {
+	ChannelID int
+	Link      string
+}
+
+func (c *Condition) UnmarshalJSON(d []byte) error {
+	type tmpStruct struct {
+		Type Type `json:"_type"`
+		ByUpgrade
+		ReferralCount
+		MoreReferralCount
+		SubscribeTelegramChannel
+	}
+	var tmp = new(tmpStruct)
+	if err := json.Unmarshal(d, tmp); err != nil {
+		return err
+	}
+
+	c.Type = tmp.Type
+	switch tmp.Type {
+	case byUpgrade:
+		c.ByUpgrade = &tmp.ByUpgrade
+	case referralCount:
+		c.ReferralCount = &tmp.ReferralCount
+	case moreReferralCount:
+		c.MoreReferralCount = &tmp.MoreReferralCount
+	case subscribeTelegramChannel:
+		c.SubscribeTelegramChannel = &tmp.SubscribeTelegramChannel
+	}
+
+	return nil
+}