storage

type Callbacks interface {
	// MessageReceived is called any time a message is received or updated.
	//
	// messageUpdate is true if the message already exists and was edited.
	// conversationUpdate is true if the conversation was created or modified.
	MessageReceived(uuid uint64, pubKey ed25519.PublicKey,
		messageUpdate, conversationUpdate bool)

	// MessageDeleted is called when a message is deleted.
	MessageDeleted(messageID message.ID)
}

type Conversation struct {
	Pubkey         []byte `gorm:"primaryKey;not null;autoIncrement:false"`
	Nickname       string `gorm:"not null"`
	Token          uint32 `gorm:"not null"`
	CodesetVersion uint8  `gorm:"not null"`

	// Timestamp for when a conversation is blocked. If the conversation has
	// not been blocked, this will be a zero value.
	BlockedTimestamp *time.Time `gorm:""`

	// Have to spell out this relationship because irregular PK name
	Messages []Message `gorm:"foreignKey:ConversationPubKey;references:Pubkey;constraint:OnDelete:CASCADE"`
}

type Message struct {
	Id                 int64  `gorm:"primaryKey;autoIncrement:true"`
	MessageId          []byte `gorm:"uniqueIndex;not null"`
	ConversationPubKey []byte `gorm:"index;not null"`
	ParentMessageId    []byte
	Timestamp          time.Time `gorm:"index;not null"`
	SenderPubKey       []byte    `gorm:"index;not null"`
	CodesetVersion     uint8     `gorm:"not null"`
	Status             uint8     `gorm:"not null"`
	Text               []byte    `gorm:"not null"`
	Type               uint16    `gorm:"not null"`
	Round              int64     `gorm:"not null"`
}

type MessageReceivedCallback func(
	uuid uint64, pubKey ed25519.PublicKey, messageUpdate, conversationUpdate bool)