Files
discord.js/src/structures/MessageEmbed.js
2017-08-26 10:00:33 +01:00

334 lines
9.1 KiB
JavaScript

const Attachment = require('./Attachment');
const Util = require('../util/Util');
const { RangeError } = require('../errors');
/**
* Represents an embed in a message (image/video preview, rich embed, etc.)
*/
class MessageEmbed {
constructor(data = {}) {
this.setup(data);
}
setup(data) { // eslint-disable-line complexity
/**
* The type of this embed
* @type {string}
*/
this.type = data.type;
/**
* The title of this embed
* @type {?string}
*/
this.title = data.title;
/**
* The description of this embed
* @type {?string}
*/
this.description = data.description;
/**
* The URL of this embed
* @type {?string}
*/
this.url = data.url;
/**
* The color of the embed
* @type {?number}
*/
this.color = data.color;
/**
* The timestamp of this embed
* @type {?number}
*/
this.timestamp = data.timestamp ? new Date(data.timestamp).getTime() : null;
/**
* The fields of this embed
* @type {Object[]}
* @property {string} name The name of this field
* @property {string} value The value of this field
* @property {boolean} inline If this field will be displayed inline
*/
this.fields = data.fields || [];
/**
* The thumbnail of this embed (if there is one)
* @type {?Object}
* @property {string} url URL for this thumbnail
* @property {string} proxyURL ProxyURL for this thumbnail
* @property {number} height Height of this thumbnail
* @property {number} width Width of this thumbnail
*/
this.thumbnail = data.thumbnail ? {
url: data.thumbnail.url,
proxyURL: data.thumbnail.proxy_url,
height: data.height,
width: data.width,
} : null;
/**
* The image of this embed, if there is one
* @type {?Object}
* @property {string} url URL for this image
* @property {string} proxyURL ProxyURL for this image
* @property {number} height Height of this image
* @property {number} width Width of this image
*/
this.image = data.image ? {
url: data.image.url,
proxyURL: data.image.proxy_url,
height: data.height,
width: data.width,
} : null;
/**
* The video of this embed (if there is one)
* @type {?Object}
* @property {string} url URL of this video
* @property {number} height Height of this video
* @property {number} width Width of this video
* @readonly
*/
this.video = data.video;
/**
* The author of this embed (if there is one)
* @type {?Object}
* @property {string} name The name of this author
* @property {string} url URL of this author
* @property {string} iconURL URL of the icon for this author
* @property {string} proxyIconURL Proxied URL of the icon for this author
*/
this.author = data.author ? {
name: data.author.name,
url: data.author.url,
iconURL: data.author.iconURL || data.author.icon_url,
proxyIconURL: data.author.proxyIconUrl || data.author.proxy_icon_url,
} : null;
/**
* The provider of this embed (if there is one)
* @type {?Object}
* @property {string} name The name of this provider
* @property {string} url URL of this provider
*/
this.provider = data.provider;
/**
* The footer of this embed
* @type {?Object}
* @property {string} text The text of this footer
* @property {string} iconURL URL of the icon for this footer
* @property {string} proxyIconURL Proxied URL of the icon for this footer
*/
this.footer = data.footer ? {
text: data.footer.text,
iconURL: data.footer.iconURL || data.footer.icon_url,
proxyIconURL: data.footer.proxyIconURL || data.footer.proxy_icon_url,
} : null;
/**
* The files of this embed
* @type {?Object}
* @property {Array<FileOptions|string|Attachment>} files Files to attach
*/
if (data.files) {
for (let file of data.files) if (file instanceof Attachment) file = file.file;
} else { data.files = null; }
}
/**
* The date this embed was created
* @type {?Date}
* @readonly
*/
get createdAt() {
return this.timestamp ? new Date(this.timestamp) : null;
}
/**
* The hexadecimal version of the embed color, with a leading hash
* @type {string}
* @readonly
*/
get hexColor() {
return this.color ? `#${this.color.toString(16).padStart(6, '0')}` : null;
}
/**
* Adds a field to the embed (max 25).
* @param {StringResolvable} name The name of the field
* @param {StringResolvable} value The value of the field
* @param {boolean} [inline=false] Set the field to display inline
* @returns {MessageEmbed}
*/
addField(name, value, inline = false) {
if (this.fields.length >= 25) throw new RangeError('EMBED_FIELD_COUNT');
name = Util.resolveString(name);
if (!String(name) || name.length > 256) throw new RangeError('EMBED_FIELD_NAME');
value = Util.resolveString(value);
if (!String(name) || value.length > 1024) throw new RangeError('EMBED_FIELD_VALUE');
this.fields.push({ name, value, inline });
return this;
}
/**
* Convenience function for `<MessageEmbed>.addField('\u200B', '\u200B', inline)`.
* @param {boolean} [inline=false] Set the field to display inline
* @returns {MessageEmbed}
*/
addBlankField(inline = false) {
return this.addField('\u200B', '\u200B', inline);
}
/**
* Sets the file to upload alongside the embed. This file can be accessed via `attachment://fileName.extension` when
* setting an embed image or author/footer icons. Only one file may be attached.
* @param {Array<FileOptions|string|Attachment>} files Files to attach
* @returns {MessageEmbed}
*/
attachFiles(files) {
if (this.files) this.files = this.files.concat(files);
else this.files = files;
for (let file of files) {
if (file instanceof Attachment) file = file.file;
}
return this;
}
/**
* Sets the author of this embed.
* @param {StringResolvable} name The name of the author
* @param {string} [iconURL] The icon URL of the author
* @param {string} [url] The URL of the author
* @returns {MessageEmbed}
*/
setAuthor(name, iconURL, url) {
this.author = { name: Util.resolveString(name), iconURL, url };
return this;
}
/**
* Sets the color of this embed.
* @param {ColorResolvable} color The color of the embed
* @returns {MessageEmbed}
*/
setColor(color) {
this.color = Util.resolveColor(color);
return this;
}
/**
* Sets the description of this embed.
* @param {StringResolvable} description The description
* @returns {MessageEmbed}
*/
setDescription(description) {
description = Util.resolveString(description);
if (description.length > 2048) throw new RangeError('EMBED_DESCRIPTION');
this.description = description;
return this;
}
/**
* Sets the footer of this embed.
* @param {StringResolvable} text The text of the footer
* @param {string} [iconURL] The icon URL of the footer
* @returns {MessageEmbed}
*/
setFooter(text, iconURL) {
text = Util.resolveString(text);
if (text.length > 2048) throw new RangeError('EMBED_FOOTER_TEXT');
this.footer = { text, iconURL };
return this;
}
/**
* Set the image of this embed.
* @param {string} url The URL of the image
* @returns {MessageEmbed}
*/
setImage(url) {
this.image = { url };
return this;
}
/**
* Set the thumbnail of this embed.
* @param {string} url The URL of the thumbnail
* @returns {MessageEmbed}
*/
setThumbnail(url) {
this.thumbnail = { url };
return this;
}
/**
* Sets the timestamp of this embed.
* @param {Date} [timestamp=current date] The timestamp
* @returns {MessageEmbed}
*/
setTimestamp(timestamp = new Date()) {
this.timestamp = timestamp.getTime();
return this;
}
/**
* Sets the title of this embed.
* @param {StringResolvable} title The title
* @returns {MessageEmbed}
*/
setTitle(title) {
title = Util.resolveString(title);
if (title.length > 256) throw new RangeError('EMBED_TITLE');
this.title = title;
return this;
}
/**
* Sets the URL of this embed.
* @param {string} url The URL
* @returns {MessageEmbed}
*/
setURL(url) {
this.url = url;
return this;
}
/**
* Transforms the embed object to be processed.
* @returns {Object} The raw data of this embed
* @private
*/
_apiTransform() {
return {
title: this.title,
type: 'rich',
description: this.description,
url: this.url,
timestamp: this.timestamp ? new Date(this.timestamp) : null,
color: this.color,
fields: this.fields,
files: this.files,
thumbnail: this.thumbnail,
image: this.image,
author: this.author ? {
name: this.author.name,
url: this.author.url,
icon_url: this.author.iconURL,
} : null,
footer: this.footer ? {
text: this.footer.text,
icon_url: this.footer.iconURL,
} : null,
};
}
}
module.exports = MessageEmbed;