gmessages/libgm/reaction_builder.go

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package libgm
import (
"fmt"
"go.mau.fi/mautrix-gmessages/libgm/binary"
"go.mau.fi/mautrix-gmessages/libgm/metadata"
)
type ReactionBuilderError struct {
errMsg string
}
func (rbe *ReactionBuilderError) Error() string {
return fmt.Sprintf("Failed to build reaction builder: %s", rbe.errMsg)
}
type ReactionBuilder struct {
messageID string
emoji []byte
action binary.Reaction
emojiType int64
}
func (rb *ReactionBuilder) SetAction(action binary.Reaction) *ReactionBuilder {
rb.action = action
return rb
}
/*
Emoji is a unicode string like "\U0001F44D" or a string like "👍"
*/
func (rb *ReactionBuilder) SetEmoji(emoji string) *ReactionBuilder {
emojiType, exists := metadata.Emojis[emoji]
if exists {
rb.emojiType = emojiType
} else {
rb.emojiType = 8
}
rb.emoji = []byte(emoji)
return rb
}
func (rb *ReactionBuilder) SetMessageID(messageId string) *ReactionBuilder {
rb.messageID = messageId
return rb
}
func (rb *ReactionBuilder) Build() (*binary.SendReactionPayload, error) {
if rb.messageID == "" {
return nil, &ReactionBuilderError{
errMsg: "messageID can not be empty",
}
}
if rb.action == 0 {
return nil, &ReactionBuilderError{
errMsg: "action can not be empty",
}
}
if rb.emojiType == 0 {
return nil, &ReactionBuilderError{
errMsg: "failed to set emojiType",
}
}
if rb.emoji == nil {
return nil, &ReactionBuilderError{
errMsg: "failed to set emoji",
}
}
return &binary.SendReactionPayload{
MessageID: rb.messageID,
ReactionData: &binary.ReactionData{
EmojiUnicode: rb.emoji,
EmojiType: rb.emojiType,
},
Action: rb.action,
}, nil
}
func (c *Client) NewReactionBuilder() *ReactionBuilder {
return &ReactionBuilder{}
}