slack 0.25.0

//
// Copyright 2015-2016 the slack-rs authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

use crate::api::{
    reactions, stars, Bot, Channel, File, FileComment, Message, MessagePinnedItem,
    MessageUnpinnedItem, User,
};

/// Represents Slack [rtm event](https://api.slack.com/rtm) types.
#[derive(Clone, Debug, Deserialize)]
#[serde(tag = "type")]
#[serde(rename_all = "snake_case")]
pub enum Event {
    /// Represents the slack [`hello`](https://api.slack.com/events/hello) event.
    Hello,
    /// Represents the slack [`message`](https://api.slack.com/events/message)
    /// event.
    Message(Box<Message>),
    /// Represents the slack
    /// [`user_typing`](https://api.slack.com/events/user_typing) event.
    UserTyping { channel: String, user: String },
    /// Represents the slack
    /// [`channel_marked`](https://api.slack.com/events/channel_marked) event.
    ChannelMarked { channel: String, ts: String },
    /// Represents the slack
    /// [`channel_created`](https://api.slack.com/events/channel_created) event.
    ChannelCreated { channel: Box<Channel> },
    /// Represents the slack
    /// [`channel_joined`](https://api.slack.com/events/channel_joined) event.
    ChannelJoined { channel: Box<Channel> },
    /// Represents the slack
    /// [`channel_left`](https://api.slack.com/events/channel_left) event.
    ChannelLeft { channel: String },
    /// Represents the slack
    /// [`channel_deleted`](https://api.slack.com/events/channel_deleted) event.
    ChannelDeleted { channel: String },
    /// Represents the slack
    /// [`channel_rename`](https://api.slack.com/events/channel_rename) event.
    ChannelRename { channel: Box<Channel> },
    /// Represents the slack
    /// [`channel_archive`](https://api.slack.com/events/channel_archive) event.
    ChannelArchive { channel: String, user: String },
    /// Represents the slack
    /// [`channel_unarchive`](https://api.slack.com/events/channel_unarchive) event.
    ChannelUnArchive { channel: String, user: String },
    /// Represents the slack
    /// [`channel_history_changed`](https://api.slack.com/events/channel_history_changed) event.
    ChannelHistoryChanged {
        latest: String,
        ts: String,
        event_ts: String,
    },
    /// Represents the slack
    /// [`im_created`](https://api.slack.com/events/im_created) event.
    ImCreated { user: String, channel: Box<Channel> },
    /// Represents the slack [`im_open`](https://api.slack.com/events/im_open)
    /// event.
    ImOpen { user: String, channel: String },
    /// Represents the slack [`im_close`](https://api.slack.com/events/im_close)
    /// event.
    ImClose { user: String, channel: String },
    /// Represents the slack [`im_marked`](https://api.slack.com/events/im_marked)
    /// event.
    ImMarked { channel: String, ts: String },
    /// Represents the slack
    /// [`im_history_changed`](https://api.slack.com/events/im_history_changed)
    /// event.
    ImHistoryChanged {
        latest: String,
        ts: String,
        event_ts: String,
    },
    /// Represents the slack [`goodbye`](https://api.slack.com/events/goodbye) event.
    Goodbye,
    /// Represents the slack
    /// [`group_joined`](https://api.slack.com/events/group_joined) event.
    GroupJoined { channel: Box<Channel> },
    /// Represents the slack
    /// [`group_left`](https://api.slack.com/events/group_left) event.
    GroupLeft { channel: Box<Channel> },
    /// Represents the slack
    /// [`group_open`](https://api.slack.com/events/group_open) event.
    GroupOpen { user: String, channel: String },
    /// Represents the slack
    /// [`group_close`](https://api.slack.com/events/group_close) event.
    GroupClose { user: String, channel: String },
    /// Represents the slack
    /// [`group_archive`](https://api.slack.com/events/group_archive) event.
    GroupArchive { channel: String },
    /// Represents the slack
    /// [`group_unarchive`](https://api.slack.com/events/group_unarchive) event.
    GroupUnArchive { channel: String },
    /// Represents the slack
    /// [`group_rename`](https://api.slack.com/events/group_rename) event.
    GroupRename { channel: Box<Channel> },
    /// Represents the slack
    /// [`group_marked`](https://api.slack.com/events/group_marked) event.
    GroupMarked { channel: String, ts: String },
    /// Represents the slack
    /// [`group_history_changed`](https://api.slack.com/events/group_history_changed) event.
    GroupHistoryChanged {
        latest: String,
        ts: String,
        event_ts: String,
    },
    /// Represents the slack
    /// [`file_created`](https://api.slack.com/events/file_created) event.
    FileCreated { file: Box<File> },
    /// Represents the slack
    /// [`file_shared`](https://api.slack.com/events/file_shared) event.
    FileShared { file: Box<File> },
    /// Represents the slack
    /// [`file_unshared`](https://api.slack.com/events/file_unshared) event.
    FileUnShared { file: Box<File> },
    /// Represents the slack
    /// [`file_public`](https://api.slack.com/events/file_public) event.
    FilePublic { file: Box<File> },
    /// Represents the slack
    /// [`file_private`](https://api.slack.com/events/file_private) event.
    FilePrivate { file: String },
    /// Represents the slack
    /// [`file_change`](https://api.slack.com/events/file_change) event.
    FileChange { file: Box<File> },
    /// Represents the slack
    /// [`file_deleted`](https://api.slack.com/events/file_deleted) event.
    FileDeleted { file_id: String, event_ts: String },
    /// Represents the slack
    /// [`file_comment_added`](https://api.slack.com/events/file_comment_added)
    /// event.
    FileCommentAdded {
        file: Box<File>,
        comment: FileComment,
    },
    /// Represents the slack
    /// [`file_comment_edited`](https://api.slack.com/events/file_comment_edited)
    /// event.
    FileCommentEdited {
        file: Box<File>,
        comment: FileComment,
    },
    /// Represents the slack
    /// [`file_comment_deleted`](https://api.slack.com/events/file_comment_deleted)
    /// event.
    FileCommentDeleted { file: Box<File>, comment: String },
    /// Represents the slack [`pin_added`](https://api.slack.com/events/pin_added)
    /// event.
    PinAdded {
        user: String,
        channel_id: String,
        item: Box<MessagePinnedItem>,
        event_ts: String,
    },
    /// Represents the slack
    /// [`pin_removed`](https://api.slack.com/events/pin_removed) event.
    PinRemoved {
        user: String,
        channel_id: String,
        item: Box<MessageUnpinnedItem>,
        has_pins: bool,
        event_ts: String,
    },
    /// Represents the slack
    /// [`presence_change`](https://api.slack.com/events/presence_change) event.
    PresenceChange {
        user: Option<String>,
        users: Option<Vec<String>>,
        presence: String,
    },
    /// Represents the slack
    /// [`manual_presence_change`](https://api.slack.com/events/manual_presence_change) event.
    ManualPresenceChange { presence: String },
    /// Represents the slack
    /// [`pref_change`](https://api.slack.com/events/pref_change) event.
    PrefChange { name: String, value: String },
    /// Represents the slack
    /// [`user_change`](https://api.slack.com/events/user_change) event.
    UserChange { user: Box<User> },
    /// Represents the slack [`team_join`](https://api.slack.com/events/team_join)
    /// event.
    TeamJoin { user: Box<User> },
    /// Represents the slack
    /// [`star_added`](https://api.slack.com/events/star_added) event.
    StarAdded {
        user: String,
        item: Box<stars::ListResponseItem>,
        event_ts: String,
    },
    /// Represents the slack
    /// [`star_removed`](https://api.slack.com/events/star_removed) event.
    StarRemoved {
        user: String,
        item: Box<stars::ListResponseItem>,
        event_ts: String,
    },
    /// Represents the slack
    /// [`reaction_added`](https://api.slack.com/events/reaction_added) event.
    ReactionAdded {
        user: String,
        reaction: String,
        item: Box<reactions::ListResponseItem>,
        item_user: String,
        event_ts: String,
    },
    /// Represents the slack
    /// [`reaction_removed`](https://api.slack.com/events/reaction_removed) event.
    ReactionRemoved {
        user: String,
        reaction: String,
        item: Box<reactions::ListResponseItem>,
        item_user: String,
        event_ts: String,
    },
    /// Represents the slack
    /// [`emoji_changed`](https://api.slack.com/events/emoji_changed) event.
    EmojiChanged { event_ts: String },
    /// Represents the slack
    /// [`commands_changed`](https://api.slack.com/events/commands_changed) event.
    CommandsChanged { event_ts: String },
    /// Represents the slack
    /// [`team_plan_change`](https://api.slack.com/events/team_plan_change) event.
    TeamPlanChange { plan: String },
    /// Represents the slack
    /// [`team_pref_change`](https://api.slack.com/events/team_pref_change) event.
    TeamPrefChange { name: String, value: bool },
    /// Represents the slack
    /// [`team_rename`](https://api.slack.com/events/team_rename) event.
    TeamRename { name: String },
    /// Represents the slack
    /// [`team_domain_change`](https://api.slack.com/events/team_domain_change)
    /// event.
    TeamDomainChange { url: String, domain: String },
    /// Represents the slack
    /// [`email_domain_changed`](https://api.slack.com/events/email_domain_changed) event.
    EmailDomainChanged {
        email_domain: String,
        event_ts: String,
    },
    /// Represents the slack [`bot_added`](https://api.slack.com/events/bot_added)
    /// event.
    BotAdded { bot: Bot },
    /// Represents the slack
    /// [`bot_changed`](https://api.slack.com/events/bot_changed) event.
    BotChanged { bot: Bot },
    /// Represents the slack
    /// [`accounts_changed`](https://api.slack.com/events/accounts_changed) event.
    AccountsChanged,
    /// Represents the slack
    /// [`team_migration_started`](https://api.slack.com/events/team_migration_started) event.
    TeamMigrationStarted,
    /// Represents the slack
    /// [`reconnect_url`](https://api.slack.com/events/reconnect_url)
    /// event.
    ReconnectUrl { url: String },
    /// Represents a confirmation of a message sent
    MessageSent(MessageSent),
    /// Represents an error sending a message
    MessageError(MessageError),
    /// Represents a request to display a desktop notification
    DesktopNotification {
        #[serde(rename = "avatarImage")]
        avatar_image: Option<String>,
        channel: Option<String>,
        content: Option<String>,
        event_ts: Option<String>,
        #[serde(rename = "imageUri")]
        image_uri: Option<String>,
        is_shared: Option<bool>,
        #[serde(rename = "launchUri")]
        launch_uri: Option<String>,
        msg: Option<String>,
        #[serde(rename = "ssbFilename")]
        ssb_filename: Option<String>,
        subtitle: Option<String>,
        thread_ts: Option<String>,
        title: Option<String>,
    },
}

/// Represents a confirmation of a message sent
#[derive(Debug, Clone, Deserialize)]
pub struct MessageSent {
    pub ok: bool,
    pub reply_to: isize,
    pub text: String,
    pub ts: String,
}

/// Represents an error sending a message
#[derive(Debug, Clone, Deserialize)]
pub struct MessageError {
    pub ok: bool,
    pub reply_to: isize,
    pub error: MessageErrorDetail,
}

/// Details of an error sending a message
#[derive(Debug, Clone, Deserialize)]
pub struct MessageErrorDetail {
    pub code: isize,
    pub msg: String,
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::api::{Message, MessageStandard};

    #[test]
    fn decode_short_standard_message() {
        let event: Event = Event::from_json(
            r#"{
            "type": "message",
            "ts": "1234567890.218332",
            "user": "U12345678",
            "text": "Hello world",
            "channel": "C12345678"
        }"#,
        )
        .unwrap();
        match event {
            Event::Message(message) => match *message {
                Message::Standard(MessageStandard {
                    ref ts,
                    ref user,
                    ref text,
                    ..
                }) => {
                    assert_eq!(ts.unwrap().to_string(), "1234567890.218332");
                    assert_eq!(text.as_ref().unwrap(), "Hello world");
                    assert_eq!(user.as_ref().unwrap(), "U12345678");
                }
                _ => panic!("Message decoded into incorrect variant."),
            },
            _ => panic!("Event decoded into incorrect variant."),
        }
    }

    #[test]
    fn decode_sent_ok() {
        let event: Event = Event::from_json(
            r#"{
            "ok": true,
            "reply_to": 1,
            "ts": "1234567890.218332",
            "text": "Hello world"
        }"#,
        )
        .unwrap();
        match event {
            Event::MessageSent(MessageSent {
                reply_to, ts, text, ..
            }) => {
                assert_eq!(reply_to, 1);
                assert_eq!(ts, "1234567890.218332");
                assert_eq!(text, "Hello world");
            }
            _ => panic!("Event decoded into incorrect variant."),
        }
    }

    #[test]
    fn decode_sent_not_ok() {
        let event: Event = Event::from_json(
            r#"{
            "ok": false,
            "reply_to": 1,
            "error": {
                "code": 2,
                "msg": "message text is missing"
            }
        }"#,
        )
        .unwrap();
        match event {
            Event::MessageError(MessageError {
                reply_to,
                error: MessageErrorDetail { code, msg, .. },
                ..
            }) => {
                assert_eq!(reply_to, 1);
                assert_eq!(code, 2);
                assert_eq!(msg, "message text is missing");
            }
            _ => panic!("Event decoded into incorrect variant."),
        }
    }

    #[test]
    fn decode_presence_change_event() {
        let event: Event = Event::from_json(
            r##"{
            "type": "presence_change",
            "users": ["U024BE7LH", "U012EA2U1"],
            "presence": "away"
        }"##,
        )
        .unwrap();
        match event {
            Event::PresenceChange {
                users, presence, ..
            } => {
                assert_eq!(presence, "away");
                match users {
                    Some(u) => {
                        assert_eq!(u.len(), 2);
                        assert_eq!(u[0], "U024BE7LH");
                        assert_eq!(u[1], "U012EA2U1");
                    }
                    _ => panic!("Presence change does not contain users elem"),
                }
            }
            _ => panic!("Event decoded into incorrect variant."),
        }
    }

    #[test]
    fn decode_legacy_presence_change_event() {
        let event: Event = Event::from_json(
            r##"{
            "type": "presence_change",
            "user": "U024BE7LH",
            "presence": "away"
        }"##,
        )
        .unwrap();
        match event {
            Event::PresenceChange { user, presence, .. } => {
                assert_eq!(presence, "away");
                match user {
                    Some(u) => {
                        assert_eq!(u, "U024BE7LH");
                    }
                    _ => panic!("Presence change does not contain users elem"),
                }
            }
            _ => panic!("Event decoded into incorrect variant."),
        }
    }

    #[test]
    fn decode_extended_standard_message() {
        let event: Event = Event::from_json(
            r##"{
            "type": "message",
            "ts": "1234567890.218332",
            "user": "U12345678",
            "text": "Hello world",
            "channel": "C12345678",
            "pinned_to": [ "C12345678" ],
            "reactions": [
                {
                    "name": "astonished",
                    "count": 5,
                    "users": [ "U12345678", "U87654321" ]
                }
            ],
            "edited": {
                "user": "U12345678",
                "ts": "1234567890.218332"
            },
            "attachments": [
                {
                    "fallback": "Required plain-text summary of the attachment.",
                    "color": "#36a64f",
                    "pretext": "Optional text that appears above the attachment block",
                    "author_name": "Bobby Tables",
                    "author_link": "http://flickr.com/bobby/",
                    "author_icon": "http://flickr.com/icons/bobby.jpg",
                    "title": "Slack API Documentation",
                    "title_link": "https://api.slack.com/",
                    "text": "Optional text that appears within the attachment",
                    "fields": [
                        {
                            "title": "Priority",
                            "value": "High",
                            "short": false
                        }
                    ],
                    "image_url": "http://my-website.com/path/to/image.jpg",
                    "thumb_url": "http://example.com/path/to/thumb.png"
                }
            ]
        }"##,
        )
        .unwrap();
        match event {
            Event::Message(message) => match *message {
                Message::Standard(MessageStandard { attachments, .. }) => {
                    assert_eq!(attachments.unwrap()[0].color.as_ref().unwrap(), "#36a64f");
                }
                _ => panic!("Message decoded into incorrect variant."),
            },
            _ => panic!("Event decoded into incorrect variant."),
        }
    }
}