feat: Send buttons and Lists (#756)

src/structures/List.js

@@ -0,0 +1,79 @@
+'use strict';
+
+const Util = require('../util/Util');
+
+/**
+ * Message type List
+ */
+class List {
+    /**
+     * @param {string} body
+     * @param {string} buttonText
+     * @param {Array<any>} sections
+     * @param {string?} title
+     * @param {string?} footer
+     */
+    constructor(body, buttonText, sections, title, footer) {
+        /**
+         * Message body
+         * @type {string}
+         */
+        this.description = body;
+
+        /**
+         * List button text
+         * @type {string}
+         */
+        this.buttonText = buttonText;
+        
+        /**
+         * title of message
+         * @type {string}
+         */
+        this.title = title;
+        
+
+        /**
+         * footer of message
+         * @type {string}
+         */
+        this.footer = footer;
+
+        /**
+         * sections of message
+         * @type {Array<any>}
+         */
+        this.sections = this._format(sections);
+        
+    }
+    
+    /**
+     * Creates section array from simple array
+     * @param {Array<any>} sections
+     * @returns {Array<any>}
+     * @example
+     * Input: [{title:'sectionTitle',rows:[{id:'customId', title:'ListItem2', description: 'desc'},{title:'ListItem2'}]}}]
+     * Returns: [{'title':'sectionTitle','rows':[{'rowId':'customId','title':'ListItem1','description':'desc'},{'rowId':'oGSRoD','title':'ListItem2','description':''}]}]
+     */
+    _format(sections){
+        if(!sections.length){throw '[LT02] List without sections';}
+        if(sections.length > 1){throw '[LT05] Lists with more than one section are having problems';}
+        return sections.map( (section) =>{
+            if(!section.rows.length){throw '[LT03] Section without rows';}
+            return {
+                title: section.title ? section.title : undefined,
+                rows: section.rows.map( (row) => {
+                    if(!row.title){throw '[LT04] Row without title';}
+                    return {
+                        rowId: row.id ? row.id : Util.generateHash(6),
+                        title: row.title,
+                        description: row.description ? row.description : ''
+                    };
+                })
+            };
+        });
+    }
+    
+}
+
+module.exports = List;