added untested role user management code

Commons/Services/Roles.js

@@ -1,13 +1,108 @@
 const discord = require("discord.js")
 /**
     assigns a given role to a given user
-    @param {discord.User} userVal the target user
+    @param {discord.GuildMember} userVal the target user
     @param {string} roleName name of role to assign a user
     @param {discord.Client} bot the bots instance
 */
-const AddRole = async (userVal, roleName, bot) => {
+const AddRole = async (userVal, roleName, bot, reason) => {
+
+    // error handling
+    if (userVal == undefined) { throw "error user was undefined" }
+    if (roleName == undefined) { throw "error roleNames was undefined" }
+    if (bot == undefined) { throw "error bot was undefined" }
+    if (typeof(userVal) != "Discord.GuildMember") { throw "error userVal is not of type Discord.GuildMember" }
+    if (typeof(roleName) != "string") { throw "error roleNames is not of type string" }
+    if (typeof(bot) != "Discord.Client") { throw "error roleNames is not of type Discord.Client" }
+
+    // fetching required data
     const guild = bot.guilds.cache.first()
     const role = guild.roles.find("name", roleName)
 
-   
+    if (role == undefined) {
+        throw `error couldnt find role ${role}`
+    }
+    userVal.roles.add(role, reason)
+}
+
+/**
+    assigns a given roles to a given user
+    @param {discord.GuildMember} userVal the target user
+    @param {string} roleName name of role to assign a user
+    @param {discord.Client} bot the bots instance
+*/
+const AddRoles = async (userVal, roleNames, bot, reason) => {
+
+    // error handling
+    if (userVal == undefined) { throw "error user was undefined" }
+    if (roleNames == undefined) { throw "error roleNames was undefined" }
+    if (bot == undefined) { throw "error bot was undefined" }
+    if (typeof(userVal) != "Discord.GuildMember") { throw "error userVal is not of type Discord.GuildMember" }
+    if (typeof(roleNames) != "object") { throw "error roleNames is not of type object" }
+    if (typeof(bot) != "Discord.Client") { throw "error roleNames is not of type Discord.Client" }
+
+    // fetching required data
+    const guild = bot.guilds.cache.first()
+
+    roleNames.forEach(r => {
+        const role = guild.roles.find("name", r)
+        if (role == undefined) {
+            throw `error couldnt find role ${role}`
+        }
+        userVal.roles.add(role, reason)
+    })
+}
+
+/**
+revokes a given role to a given user
+@param {discord.GuildMember} userVal the target user
+@param {string} roleName name of role to assign a user
+@param {discord.Client} bot the bots instance
+*/
+const RemoveRole = async (userVal, roleName, bot, reason) => {
+
+    // error handling
+    if (userVal == undefined) { throw "error user was undefined" }
+    if (roleName == undefined) { throw "error roleNames was undefined" }
+    if (bot == undefined) { throw "error bot was undefined" }
+    if (typeof(userVal) != "Discord.GuildMember") { throw "error userVal is not of type Discord.GuildMember" }
+    if (typeof(roleName) != "string") { throw "error roleNames is not of type string" }
+    if (typeof(bot) != "Discord.Client") { throw "error roleNames is not of type Discord.Client" }
+
+    // fetching required data
+    const guild = bot.guilds.cache.first()
+    const role = guild.roles.find("name", roleName)
+
+    if (role == undefined) {
+        throw `error couldnt find role ${role}`
+    }
+    userVal.roles.remove(role, reason)
+}
+
+/**
+revokes a given roles to a given user
+@param {discord.GuildMember} userVal the target user
+@param {string} roleName name of role to assign a user
+@param {discord.Client} bot the bots instance
+*/
+const RemoveRoles = async (userVal, roleNames, bot, reason) => {
+
+    // error handling
+    if (userVal == undefined) { throw "error user was undefined" }
+    if (roleNames == undefined) { throw "error roleNames was undefined" }
+    if (bot == undefined) { throw "error bot was undefined" }
+    if (typeof(userVal) != "Discord.GuildMember") { throw "error userVal is not of type Discord.GuildMember" }
+    if (typeof(roleNames) != "object") { throw "error roleNames is not of type object" }
+    if (typeof(bot) != "Discord.Client") { throw "error roleNames is not of type Discord.Client" }
+
+    // fetching required data
+    const guild = bot.guilds.cache.first()
+
+    roleNames.forEach(r => {
+        const role = guild.roles.find("name", r)
+        if (role == undefined) {
+            throw `error couldnt find role ${role}`
+        }
+        userVal.roles.remove(role, reason)
+    })
 }