package slack import ( "encoding/json" ) // RichTextBlock defines a new block of type rich_text. // More Information: https://api.slack.com/changelog/2019-09-what-they-see-is-what-you-get-and-more-and-less type RichTextBlock struct { Type MessageBlockType `json:"type"` BlockID string `json:"block_id,omitempty"` Elements []RichTextElement `json:"elements"` } func (b RichTextBlock) BlockType() MessageBlockType { return b.Type } func (e *RichTextBlock) UnmarshalJSON(b []byte) error { var raw struct { Type MessageBlockType `json:"type"` BlockID string `json:"block_id"` RawElements []json.RawMessage `json:"elements"` } if string(b) == "{}" { return nil } if err := json.Unmarshal(b, &raw); err != nil { return err } elems := make([]RichTextElement, 0, len(raw.RawElements)) for _, r := range raw.RawElements { var s struct { Type RichTextElementType `json:"type"` } if err := json.Unmarshal(r, &s); err != nil { return err } var elem RichTextElement switch s.Type { case RTESection: elem = &RichTextSection{} default: elems = append(elems, &RichTextUnknown{ Type: s.Type, Raw: string(r), }) continue } if err := json.Unmarshal(r, &elem); err != nil { return err } elems = append(elems, elem) } *e = RichTextBlock{ Type: raw.Type, BlockID: raw.BlockID, Elements: elems, } return nil } // NewRichTextBlock returns a new instance of RichText Block. func NewRichTextBlock(blockID string, elements ...RichTextElement) *RichTextBlock { return &RichTextBlock{ Type: MBTRichText, BlockID: blockID, Elements: elements, } } type RichTextElementType string type RichTextElement interface { RichTextElementType() RichTextElementType } const ( RTEList RichTextElementType = "rich_text_list" RTEPreformatted RichTextElementType = "rich_text_preformatted" RTEQuote RichTextElementType = "rich_text_quote" RTESection RichTextElementType = "rich_text_section" RTEUnknown RichTextElementType = "rich_text_unknown" ) type RichTextUnknown struct { Type RichTextElementType Raw string } func (u RichTextUnknown) RichTextElementType() RichTextElementType { return u.Type } type RichTextSection struct { Type RichTextElementType `json:"type"` Elements []RichTextSectionElement `json:"elements"` } // ElementType returns the type of the Element func (s RichTextSection) RichTextElementType() RichTextElementType { return s.Type } func (e *RichTextSection) UnmarshalJSON(b []byte) error { var raw struct { RawElements []json.RawMessage `json:"elements"` } if string(b) == "{}" { return nil } if err := json.Unmarshal(b, &raw); err != nil { return err } elems := make([]RichTextSectionElement, 0, len(raw.RawElements)) for _, r := range raw.RawElements { var s struct { Type RichTextSectionElementType `json:"type"` } if err := json.Unmarshal(r, &s); err != nil { return err } var elem RichTextSectionElement switch s.Type { case RTSEText: elem = &RichTextSectionTextElement{} case RTSEChannel: elem = &RichTextSectionChannelElement{} case RTSEUser: elem = &RichTextSectionUserElement{} case RTSEEmoji: elem = &RichTextSectionEmojiElement{} case RTSELink: elem = &RichTextSectionLinkElement{} case RTSETeam: elem = &RichTextSectionTeamElement{} case RTSEUserGroup: elem = &RichTextSectionUserGroupElement{} case RTSEDate: elem = &RichTextSectionDateElement{} case RTSEBroadcast: elem = &RichTextSectionBroadcastElement{} case RTSEColor: elem = &RichTextSectionColorElement{} default: elems = append(elems, &RichTextSectionUnknownElement{ Type: s.Type, Raw: string(r), }) continue } if err := json.Unmarshal(r, elem); err != nil { return err } elems = append(elems, elem) } *e = RichTextSection{ Type: RTESection, Elements: elems, } return nil } // NewRichTextSectionBlockElement . func NewRichTextSection(elements ...RichTextSectionElement) *RichTextSection { return &RichTextSection{ Type: RTESection, Elements: elements, } } type RichTextSectionElementType string const ( RTSEBroadcast RichTextSectionElementType = "broadcast" RTSEChannel RichTextSectionElementType = "channel" RTSEColor RichTextSectionElementType = "color" RTSEDate RichTextSectionElementType = "date" RTSEEmoji RichTextSectionElementType = "emoji" RTSELink RichTextSectionElementType = "link" RTSETeam RichTextSectionElementType = "team" RTSEText RichTextSectionElementType = "text" RTSEUser RichTextSectionElementType = "user" RTSEUserGroup RichTextSectionElementType = "usergroup" RTSEUnknown RichTextSectionElementType = "unknown" ) type RichTextSectionElement interface { RichTextSectionElementType() RichTextSectionElementType } type RichTextSectionTextStyle struct { Bold bool `json:"bold,omitempty"` Italic bool `json:"italic,omitempty"` Strike bool `json:"strike,omitempty"` Code bool `json:"code,omitempty"` } type RichTextSectionTextElement struct { Type RichTextSectionElementType `json:"type"` Text string `json:"text"` Style *RichTextSectionTextStyle `json:"style,omitempty"` } func (r RichTextSectionTextElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type } func NewRichTextSectionTextElement(text string, style *RichTextSectionTextStyle) *RichTextSectionTextElement { return &RichTextSectionTextElement{ Type: RTSEText, Text: text, Style: style, } } type RichTextSectionChannelElement struct { Type RichTextSectionElementType `json:"type"` ChannelID string `json:"channel_id"` Style *RichTextSectionTextStyle `json:"style,omitempty"` } func (r RichTextSectionChannelElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type } func NewRichTextSectionChannelElement(channelID string, style *RichTextSectionTextStyle) *RichTextSectionChannelElement { return &RichTextSectionChannelElement{ Type: RTSEText, ChannelID: channelID, Style: style, } } type RichTextSectionUserElement struct { Type RichTextSectionElementType `json:"type"` UserID string `json:"user_id"` Style *RichTextSectionTextStyle `json:"style,omitempty"` } func (r RichTextSectionUserElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type } func NewRichTextSectionUserElement(userID string, style *RichTextSectionTextStyle) *RichTextSectionUserElement { return &RichTextSectionUserElement{ Type: RTSEUser, UserID: userID, Style: style, } } type RichTextSectionEmojiElement struct { Type RichTextSectionElementType `json:"type"` Name string `json:"name"` SkinTone int `json:"skin_tone"` Style *RichTextSectionTextStyle `json:"style,omitempty"` } func (r RichTextSectionEmojiElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type } func NewRichTextSectionEmojiElement(name string, skinTone int, style *RichTextSectionTextStyle) *RichTextSectionEmojiElement { return &RichTextSectionEmojiElement{ Type: RTSEEmoji, Name: name, SkinTone: skinTone, Style: style, } } type RichTextSectionLinkElement struct { Type RichTextSectionElementType `json:"type"` URL string `json:"url"` Text string `json:"text"` Style *RichTextSectionTextStyle `json:"style,omitempty"` } func (r RichTextSectionLinkElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type } func NewRichTextSectionLinkElement(url, text string, style *RichTextSectionTextStyle) *RichTextSectionLinkElement { return &RichTextSectionLinkElement{ Type: RTSELink, URL: url, Text: text, Style: style, } } type RichTextSectionTeamElement struct { Type RichTextSectionElementType `json:"type"` TeamID string `json:"team_id"` Style *RichTextSectionTextStyle `json:"style.omitempty"` } func (r RichTextSectionTeamElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type } func NewRichTextSectionTeamElement(teamID string, style *RichTextSectionTextStyle) *RichTextSectionTeamElement { return &RichTextSectionTeamElement{ Type: RTSETeam, TeamID: teamID, Style: style, } } type RichTextSectionUserGroupElement struct { Type RichTextSectionElementType `json:"type"` UsergroupID string `json:"usergroup_id"` } func (r RichTextSectionUserGroupElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type } func NewRichTextSectionUserGroupElement(usergroupID string) *RichTextSectionUserGroupElement { return &RichTextSectionUserGroupElement{ Type: RTSEUserGroup, UsergroupID: usergroupID, } } type RichTextSectionDateElement struct { Type RichTextSectionElementType `json:"type"` Timestamp string `json:"timestamp"` } func (r RichTextSectionDateElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type } func NewRichTextSectionDateElement(timestamp string) *RichTextSectionDateElement { return &RichTextSectionDateElement{ Type: RTSEDate, Timestamp: timestamp, } } type RichTextSectionBroadcastElement struct { Type RichTextSectionElementType `json:"type"` Range string `json:"range"` } func (r RichTextSectionBroadcastElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type } func NewRichTextSectionBroadcastElement(rangeStr string) *RichTextSectionBroadcastElement { return &RichTextSectionBroadcastElement{ Type: RTSEBroadcast, Range: rangeStr, } } type RichTextSectionColorElement struct { Type RichTextSectionElementType `json:"type"` Value string `json:"value"` } func (r RichTextSectionColorElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type } func NewRichTextSectionColorElement(value string) *RichTextSectionColorElement { return &RichTextSectionColorElement{ Type: RTSEColor, Value: value, } } type RichTextSectionUnknownElement struct { Type RichTextSectionElementType `json:"type"` Raw string } func (r RichTextSectionUnknownElement) RichTextSectionElementType() RichTextSectionElementType { return r.Type }