add fn to check if user has event role

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wearekickback/shared",
-  "version": "1.9.0",
+  "version": "1.9.1",
   "description": "Shared utils between client and server",
   "main": "dist/index.js",
   "module": "src/index.js",

src/role.js

@@ -1,3 +1,5 @@
+import { addressesMatch } from './address'
+
 export const ROLE = {
   SUPER_ADMIN: 'SUPER_ADMIN',
   EVENT_ADMIN: 'EVENT_ADMIN',
@@ -6,3 +8,5 @@ export const ROLE = {
 export const userHasRole = (user, role) => (user.roles || []).includes(role)
 
 export const extractUsersWithGivenEventRole = (event, r) => event.roles.filter(({ role }) => role === r).map(({ user }) => user)
+
+export const userHasEventRole = (addressOrId, event, r) => !!event.roles.find(({ role, user }) => role === r && (user.id === addressOrId || addressesMatch(user.address, addressOrId)))

src/role.test.js

@@ -2,6 +2,7 @@ import {
   ROLE,
   userHasRole,
   extractUsersWithGivenEventRole,
+  userHasEventRole,
 } from './'
 
 describe('role', () => {
@@ -51,3 +52,46 @@ describe('extractUsersWithGivenEventRole', () => {
     expect(extractUsersWithGivenEventRole(event, ROLE.EVENT_ADMIN)).toEqual([ 3 ])
   })
 })
+
+describe('userHasEventRole', () => {
+  it('works', () => {
+    const event = {
+      roles: [
+        {
+          role: ROLE.SUPER_ADMIN,
+          user: {
+            id: '1',
+            address: 'a1'
+          },
+        },
+        {
+          role: 'test',
+          user: {
+            id: '2',
+            address: 'a2'
+          },
+        },
+        {
+          role: ROLE.EVENT_ADMIN,
+          user: {
+            id: '3',
+            address: 'a3'
+          },
+        },
+        {
+          role: ROLE.SUPER_ADMIN,
+          user: {
+            id: '4',
+            address: 'a4'
+          },
+        },
+      ]
+    }
+
+    expect(userHasEventRole('4', event, ROLE.SUPER_ADMIN)).toEqual(true)
+    expect(userHasEventRole('a4', event, ROLE.SUPER_ADMIN)).toEqual(true)
+    expect(userHasEventRole('a3', event, ROLE.SUPER_ADMIN)).toEqual(false)
+    expect(userHasEventRole('1', event, ROLE.EVENT_ADMIN)).toEqual(false)
+    expect(userHasEventRole('a3', event, ROLE.EVENT_ADMIN)).toEqual(true)
+  })
+})