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//! Webhook model and implementations. use super::{ id::{ ChannelId, GuildId, WebhookId }, user::User }; #[cfg(feature = "model")] use builder::ExecuteWebhook; #[cfg(feature = "model")] use internal::prelude::*; #[cfg(feature = "model")] use std::mem; #[cfg(feature = "model")] use super::channel::Message; #[cfg(feature = "model")] use {http, utils}; /// A representation of a webhook, which is a low-effort way to post messages to /// channels. They do not necessarily require a bot user or authentication to /// use. #[derive(Clone, Debug, Deserialize, Serialize)] pub struct Webhook { /// The unique Id. /// /// Can be used to calculate the creation date of the webhook. pub id: WebhookId, /// The default avatar. /// /// This can be modified via [`ExecuteWebhook::avatar`]. /// /// [`ExecuteWebhook::avatar`]: ../builder/struct.ExecuteWebhook.html#method.avatar pub avatar: Option<String>, /// The Id of the channel that owns the webhook. pub channel_id: ChannelId, /// The Id of the guild that owns the webhook. pub guild_id: Option<GuildId>, /// The default name of the webhook. /// /// This can be modified via [`ExecuteWebhook::username`]. /// /// [`ExecuteWebhook::username`]: ../builder/struct.ExecuteWebhook.html#method.username pub name: Option<String>, /// The webhook's secure token. pub token: String, /// The user that created the webhook. /// /// **Note**: This is not received when getting a webhook by its token. pub user: Option<User>, } #[cfg(feature = "model")] impl Webhook { /// Deletes the webhook. /// /// As this calls the [`http::delete_webhook_with_token`] function, /// authentication is not required. /// /// [`http::delete_webhook_with_token`]: ../http/fn.delete_webhook_with_token.html #[inline] pub fn delete(&self) -> Result<()> { http::delete_webhook_with_token(self.id.0, &self.token) } /// /// Edits the webhook in-place. All fields are optional. /// /// To nullify the avatar, pass `Some("")`. Otherwise, passing `None` will /// not modify the avatar. /// /// Refer to [`http::edit_webhook`] for httprictions on editing webhooks. /// /// As this calls the [`http::edit_webhook_with_token`] function, /// authentication is not required. /// /// # Examples /// /// Editing a webhook's name: /// /// ```rust,no_run /// use serenity::http; /// /// let id = 245037420704169985; /// let token = "ig5AO-wdVWpCBtUUMxmgsWryqgsW3DChbKYOINftJ4DCrUbnkedoYZD0VOH1QLr-S3sV"; /// /// let mut webhook = http::get_webhook_with_token(id, token) /// .expect("valid webhook"); /// /// let _ = webhook.edit(Some("new name"), None).expect("Error editing"); /// ``` /// /// Setting a webhook's avatar: /// /// ```rust,no_run /// use serenity::http; /// /// let id = 245037420704169985; /// let token = "ig5AO-wdVWpCBtUUMxmgsWryqgsW3DChbKYOINftJ4DCrUbnkedoYZD0VOH1QLr-S3sV"; /// /// let mut webhook = http::get_webhook_with_token(id, token) /// .expect("valid webhook"); /// /// let image = serenity::utils::read_image("./webhook_img.png") /// .expect("Error reading image"); /// /// let _ = webhook.edit(None, Some(&image)).expect("Error editing"); /// ``` /// /// [`http::edit_webhook`]: ../http/fn.edit_webhook.html /// [`http::edit_webhook_with_token`]: ../http/fn.edit_webhook_with_token.html pub fn edit(&mut self, name: Option<&str>, avatar: Option<&str>) -> Result<()> { if name.is_none() && avatar.is_none() { return Ok(()); } let mut map = Map::new(); if let Some(avatar) = avatar { map.insert( "avatar".to_string(), if avatar.is_empty() { Value::Null } else { Value::String(avatar.to_string()) }, ); } if let Some(name) = name { map.insert("name".to_string(), Value::String(name.to_string())); } match http::edit_webhook_with_token(self.id.0, &self.token, &map) { Ok(replacement) => { mem::replace(self, replacement); Ok(()) }, Err(why) => Err(why), } } /// Executes a webhook with the fields set via the given builder. /// /// The builder provides a method of setting only the fields you need, /// without needing to pass a long set of arguments. /// /// # Examples /// /// Execute a webhook with message content of `test`: /// /// ```rust,no_run /// use serenity::http; /// /// let id = 245037420704169985; /// let token = "ig5AO-wdVWpCBtUUMxmgsWryqgsW3DChbKYOINftJ4DCrUbnkedoYZD0VOH1QLr-S3sV"; /// /// let mut webhook = http::get_webhook_with_token(id, token) /// .expect("valid webhook"); /// /// let _ = webhook.execute(false, |w| w.content("test")).expect("Error executing"); /// ``` /// /// Execute a webhook with message content of `test`, overriding the /// username to `serenity`, and sending an embed: /// /// ```rust,no_run /// use serenity::http; /// use serenity::model::channel::Embed; /// /// let id = 245037420704169985; /// let token = "ig5AO-wdVWpCBtUUMxmgsWryqgsW3DChbKYOINftJ4DCrUbnkedoYZD0VOH1QLr-S3sV"; /// /// let mut webhook = http::get_webhook_with_token(id, token) /// .expect("valid webhook"); /// /// let embed = Embed::fake(|e| e /// .title("Rust's website") /// .description("Rust is a systems programming language that runs /// blazingly fast, prevents segfaults, and guarantees /// thread safety.") /// .url("https://rust-lang.org")); /// /// let _ = webhook.execute(false, |w| w /// .content("test") /// .username("serenity") /// .embeds(vec![embed])) /// .expect("Error executing"); /// ``` #[inline] pub fn execute<F: FnOnce(ExecuteWebhook) -> ExecuteWebhook>(&self, wait: bool, f: F) -> Result<Option<Message>> { let map = utils::vecmap_to_json_map(f(ExecuteWebhook::default()).0); http::execute_webhook(self.id.0, &self.token, wait, &map) } /// Retrieves the latest information about the webhook, editing the /// webhook in-place. /// /// As this calls the [`http::get_webhook_with_token`] function, /// authentication is not required. /// /// [`http::get_webhook_with_token`]: ../http/fn.get_webhook_with_token.html pub fn refresh(&mut self) -> Result<()> { match http::get_webhook_with_token(self.id.0, &self.token) { Ok(replacement) => { let _ = mem::replace(self, replacement); Ok(()) }, Err(why) => Err(why), } } } #[cfg(feature = "model")] impl WebhookId { /// Retrieves the webhook by the Id. /// /// **Note**: Requires the [Manage Webhooks] permission. /// /// [Manage Webhooks]: permissions/constant.MANAGE_WEBHOOKS.html #[inline] pub fn get(self) -> Result<Webhook> { http::get_webhook(self.0) } }