From c0578d4cc2a5999fa56f9289455349cf8c3dd1f3 Mon Sep 17 00:00:00 2001
From: melohagan <101575380+melohagan@users.noreply.github.com>
Date: Thu, 8 Jun 2023 14:25:35 +0100
Subject: [PATCH] Send meeting invite via automation email smtp (#10787)

* Pass calendar props into sendSmtpEmail

* Add calendar event to message

* Add Checkbox and DatePicker automation field UI

* Add URL prop

* Add url to sendSmtpEmail unit test

* Refactor

* Code review comments

* Make location optional

* Add EmailInvite type

---------

Co-authored-by: mike12345567 <me@michaeldrury.co.uk>
---
 .../SetupPanel/AutomationBlockSetup.svelte    | 412 ++++++++++--------
 .../src/automations/steps/sendSmtpEmail.ts    |  59 ++-
 .../automations/tests/sendSmtpEmail.spec.js   |  71 ---
 .../automations/tests/sendSmtpEmail.spec.ts   |  74 ++++
 .../server/src/utilities/workerRequests.ts    |  29 +-
 .../types/src/documents/app/automation.ts     |  30 ++
 packages/worker/package.json                  |   1 +
 .../src/api/controllers/global/email.ts       |   2 +
 packages/worker/src/utilities/email.ts        |  41 +-
 yarn.lock                                     |  12 +
 10 files changed, 437 insertions(+), 294 deletions(-)
 delete mode 100644 packages/server/src/automations/tests/sendSmtpEmail.spec.js
 create mode 100644 packages/server/src/automations/tests/sendSmtpEmail.spec.ts

diff --git a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
index 6ab750c3d6..a8fa700b90 100644
--- a/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
+++ b/packages/builder/src/components/automation/SetupPanel/AutomationBlockSetup.svelte
@@ -13,6 +13,8 @@
     Modal,
     notifications,
     Icon,
+    Checkbox,
+    DatePicker,
   } from "@budibase/bbui"
   import CreateWebhookModal from "components/automation/Shared/CreateWebhookModal.svelte"
   import { automationStore, selectedAutomation } from "builderStore"
@@ -306,6 +308,11 @@
     drawer.hide()
   }
 
+  function canShowField(key, value) {
+    const dependsOn = value.dependsOn
+    return !dependsOn || !!inputData[dependsOn]
+  }
+
   onMount(async () => {
     try {
       await environment.loadVariables()
@@ -317,210 +324,233 @@
 
 <div class="fields">
   {#each deprecatedSchemaProperties as [key, value]}
-    <div class="block-field">
-      {#if key !== "fields"}
-        <Label
-          tooltip={value.title === "Binding / Value"
-            ? "If using the String input type, please use a comma or newline separated string"
-            : null}>{value.title || (key === "row" ? "Table" : key)}</Label
-        >
-      {/if}
-      {#if value.type === "string" && value.enum}
-        <Select
-          on:change={e => onChange(e, key)}
-          value={inputData[key]}
-          placeholder={false}
-          options={value.enum}
-          getOptionLabel={(x, idx) => (value.pretty ? value.pretty[idx] : x)}
-        />
-      {:else if value.type === "json"}
-        <Editor
-          editorHeight="250"
-          editorWidth="448"
-          mode="json"
-          value={inputData[key]?.value}
-          on:change={e => {
-            /**
-             * TODO - Remove after November 2023
-             * *******************************
-             * Code added to provide backwards compatibility between Values 1,2,3,4,5
-             * and the new JSON body.
-             */
-            delete inputData.value1
-            delete inputData.value2
-            delete inputData.value3
-            delete inputData.value4
-            delete inputData.value5
-            /***********************/
-            onChange(e, key)
-          }}
-        />
-      {:else if value.customType === "column"}
-        <Select
-          on:change={e => onChange(e, key)}
-          value={inputData[key]}
-          options={Object.keys(table?.schema || {})}
-        />
-      {:else if value.customType === "filters"}
-        <ActionButton on:click={drawer.show}>Define filters</ActionButton>
-        <Drawer bind:this={drawer} {fillWidth} title="Filtering">
-          <Button cta slot="buttons" on:click={() => saveFilters(key)}>
-            Save
-          </Button>
-          <FilterDrawer
-            slot="body"
-            {filters}
-            {bindings}
-            {schemaFields}
-            datasource={{ type: "table", tableId }}
-            panel={AutomationBindingPanel}
-            fillWidth
-            on:change={e => (tempFilters = e.detail)}
-          />
-        </Drawer>
-      {:else if value.customType === "password"}
-        <Input
-          type="password"
-          on:change={e => onChange(e, key)}
-          value={inputData[key]}
-        />
-      {:else if value.customType === "email"}
-        {#if isTestModal}
-          <ModalBindableInput
-            title={value.title}
-            value={inputData[key]}
-            panel={AutomationBindingPanel}
-            type="email"
-            on:change={e => onChange(e, key)}
-            {bindings}
-            fillWidth
-            updateOnChange={false}
-          />
-        {:else}
-          <DrawerBindableInput
-            fillWidth
-            title={value.title}
-            panel={AutomationBindingPanel}
-            type="email"
-            value={inputData[key]}
-            on:change={e => onChange(e, key)}
-            {bindings}
-            allowJS={false}
-            updateOnChange={false}
-            drawerLeft="260px"
-          />
+    {#if canShowField(key, value)}
+      <div class="block-field">
+        {#if key !== "fields" && value.type !== "boolean"}
+          <Label
+            tooltip={value.title === "Binding / Value"
+              ? "If using the String input type, please use a comma or newline separated string"
+              : null}>{value.title || (key === "row" ? "Table" : key)}</Label
+          >
         {/if}
-      {:else if value.customType === "query"}
-        <QuerySelector
-          on:change={e => onChange(e, key)}
-          value={inputData[key]}
-        />
-      {:else if value.customType === "cron"}
-        <CronBuilder on:change={e => onChange(e, key)} value={inputData[key]} />
-      {:else if value.customType === "queryParams"}
-        <QueryParamSelector
-          on:change={e => onChange(e, key)}
-          value={inputData[key]}
-          {bindings}
-        />
-      {:else if value.customType === "table"}
-        <TableSelector
-          {isTrigger}
-          value={inputData[key]}
-          on:change={e => onChange(e, key)}
-        />
-      {:else if value.customType === "row"}
-        <RowSelector
-          {block}
-          value={inputData[key]}
-          meta={inputData["meta"] || {}}
-          on:change={e => {
-            if (e.detail?.key) {
-              onChange(e, e.detail.key)
-            } else {
-              onChange(e, key)
-            }
-          }}
-          {bindings}
-          {isTestModal}
-          {isUpdateRow}
-        />
-      {:else if value.customType === "webhookUrl"}
-        <WebhookDisplay
-          on:change={e => onChange(e, key)}
-          value={inputData[key]}
-        />
-      {:else if value.customType === "fields"}
-        <FieldSelector
-          {block}
-          value={inputData[key]}
-          on:change={e => onChange(e, key)}
-          {bindings}
-          {isTestModal}
-        />
-      {:else if value.customType === "triggerSchema"}
-        <SchemaSetup on:change={e => onChange(e, key)} value={inputData[key]} />
-      {:else if value.customType === "code"}
-        <CodeEditorModal>
-          <CodeEditor
-            value={inputData[key]}
-            on:change={e => {
-              // need to pass without the value inside
-              onChange({ detail: e.detail }, key)
-              inputData[key] = e.detail
-            }}
-            completions={[
-              jsAutocomplete([
-                ...bindingsToCompletions(bindings, EditorModes.JS),
-              ]),
-            ]}
-            mode={EditorModes.JS}
-            height={500}
-          />
-          <div class="messaging">
-            <Icon name="FlashOn" />
-            <div class="messaging-wrap">
-              <div>Add available bindings by typing <strong>$</strong></div>
-            </div>
-          </div>
-        </CodeEditorModal>
-      {:else if value.customType === "loopOption"}
-        <Select
-          on:change={e => onChange(e, key)}
-          autoWidth
-          value={inputData[key]}
-          options={["Array", "String"]}
-          defaultValue={"Array"}
-        />
-      {:else if value.type === "string" || value.type === "number" || value.type === "integer"}
-        {#if isTestModal}
-          <ModalBindableInput
-            title={value.title}
-            value={inputData[key]}
-            panel={AutomationBindingPanel}
-            type={value.customType}
+        {#if value.type === "string" && value.enum && canShowField(key)}
+          <Select
             on:change={e => onChange(e, key)}
-            {bindings}
-            updateOnChange={false}
+            value={inputData[key]}
+            placeholder={false}
+            options={value.enum}
+            getOptionLabel={(x, idx) => (value.pretty ? value.pretty[idx] : x)}
           />
-        {:else}
-          <div class="test">
+        {:else if value.type === "json"}
+          <Editor
+            editorHeight="250"
+            editorWidth="448"
+            mode="json"
+            value={inputData[key]?.value}
+            on:change={e => {
+              /**
+               * TODO - Remove after November 2023
+               * *******************************
+               * Code added to provide backwards compatibility between Values 1,2,3,4,5
+               * and the new JSON body.
+               */
+              delete inputData.value1
+              delete inputData.value2
+              delete inputData.value3
+              delete inputData.value4
+              delete inputData.value5
+              /***********************/
+              onChange(e, key)
+            }}
+          />
+        {:else if value.type === "boolean"}
+          <div style="margin-top: 10px">
+            <Checkbox
+              text={value.title}
+              value={inputData[key]}
+              on:change={e => onChange(e, key)}
+            />
+          </div>
+        {:else if value.type === "date"}
+          <DatePicker
+            value={inputData[key]}
+            on:change={e => onChange(e, key)}
+          />
+        {:else if value.customType === "column"}
+          <Select
+            on:change={e => onChange(e, key)}
+            value={inputData[key]}
+            options={Object.keys(table?.schema || {})}
+          />
+        {:else if value.customType === "filters"}
+          <ActionButton on:click={drawer.show}>Define filters</ActionButton>
+          <Drawer bind:this={drawer} {fillWidth} title="Filtering">
+            <Button cta slot="buttons" on:click={() => saveFilters(key)}>
+              Save
+            </Button>
+            <FilterDrawer
+              slot="body"
+              {filters}
+              {bindings}
+              {schemaFields}
+              datasource={{ type: "table", tableId }}
+              panel={AutomationBindingPanel}
+              fillWidth
+              on:change={e => (tempFilters = e.detail)}
+            />
+          </Drawer>
+        {:else if value.customType === "password"}
+          <Input
+            type="password"
+            on:change={e => onChange(e, key)}
+            value={inputData[key]}
+          />
+        {:else if value.customType === "email"}
+          {#if isTestModal}
+            <ModalBindableInput
+              title={value.title}
+              value={inputData[key]}
+              panel={AutomationBindingPanel}
+              type="email"
+              on:change={e => onChange(e, key)}
+              {bindings}
+              fillWidth
+              updateOnChange={false}
+            />
+          {:else}
             <DrawerBindableInput
-              fillWidth={true}
+              fillWidth
               title={value.title}
               panel={AutomationBindingPanel}
-              type={value.customType}
+              type="email"
               value={inputData[key]}
               on:change={e => onChange(e, key)}
               {bindings}
+              allowJS={false}
               updateOnChange={false}
-              placeholder={value.customType === "queryLimit" ? queryLimit : ""}
               drawerLeft="260px"
             />
-          </div>
+          {/if}
+        {:else if value.customType === "query"}
+          <QuerySelector
+            on:change={e => onChange(e, key)}
+            value={inputData[key]}
+          />
+        {:else if value.customType === "cron"}
+          <CronBuilder
+            on:change={e => onChange(e, key)}
+            value={inputData[key]}
+          />
+        {:else if value.customType === "queryParams"}
+          <QueryParamSelector
+            on:change={e => onChange(e, key)}
+            value={inputData[key]}
+            {bindings}
+          />
+        {:else if value.customType === "table"}
+          <TableSelector
+            {isTrigger}
+            value={inputData[key]}
+            on:change={e => onChange(e, key)}
+          />
+        {:else if value.customType === "row"}
+          <RowSelector
+            {block}
+            value={inputData[key]}
+            meta={inputData["meta"] || {}}
+            on:change={e => {
+              if (e.detail?.key) {
+                onChange(e, e.detail.key)
+              } else {
+                onChange(e, key)
+              }
+            }}
+            {bindings}
+            {isTestModal}
+            {isUpdateRow}
+          />
+        {:else if value.customType === "webhookUrl"}
+          <WebhookDisplay
+            on:change={e => onChange(e, key)}
+            value={inputData[key]}
+          />
+        {:else if value.customType === "fields"}
+          <FieldSelector
+            {block}
+            value={inputData[key]}
+            on:change={e => onChange(e, key)}
+            {bindings}
+            {isTestModal}
+          />
+        {:else if value.customType === "triggerSchema"}
+          <SchemaSetup
+            on:change={e => onChange(e, key)}
+            value={inputData[key]}
+          />
+        {:else if value.customType === "code"}
+          <CodeEditorModal>
+            <CodeEditor
+              value={inputData[key]}
+              on:change={e => {
+                // need to pass without the value inside
+                onChange({ detail: e.detail }, key)
+                inputData[key] = e.detail
+              }}
+              completions={[
+                jsAutocomplete([
+                  ...bindingsToCompletions(bindings, EditorModes.JS),
+                ]),
+              ]}
+              mode={EditorModes.JS}
+              height={500}
+            />
+            <div class="messaging">
+              <Icon name="FlashOn" />
+              <div class="messaging-wrap">
+                <div>Add available bindings by typing <strong>$</strong></div>
+              </div>
+            </div>
+          </CodeEditorModal>
+        {:else if value.customType === "loopOption"}
+          <Select
+            on:change={e => onChange(e, key)}
+            autoWidth
+            value={inputData[key]}
+            options={["Array", "String"]}
+            defaultValue={"Array"}
+          />
+        {:else if value.type === "string" || value.type === "number" || value.type === "integer"}
+          {#if isTestModal}
+            <ModalBindableInput
+              title={value.title}
+              value={inputData[key]}
+              panel={AutomationBindingPanel}
+              type={value.customType}
+              on:change={e => onChange(e, key)}
+              {bindings}
+              updateOnChange={false}
+            />
+          {:else}
+            <div class="test">
+              <DrawerBindableInput
+                fillWidth={true}
+                title={value.title}
+                panel={AutomationBindingPanel}
+                type={value.customType}
+                value={inputData[key]}
+                on:change={e => onChange(e, key)}
+                {bindings}
+                updateOnChange={false}
+                placeholder={value.customType === "queryLimit"
+                  ? queryLimit
+                  : ""}
+                drawerLeft="260px"
+              />
+            </div>
+          {/if}
         {/if}
-      {/if}
-    </div>
+      </div>
+    {/if}
   {/each}
 </div>
 <Modal bind:this={webhookModal} width="30%">
diff --git a/packages/server/src/automations/steps/sendSmtpEmail.ts b/packages/server/src/automations/steps/sendSmtpEmail.ts
index 448c374ce8..f1ce3a85c2 100644
--- a/packages/server/src/automations/steps/sendSmtpEmail.ts
+++ b/packages/server/src/automations/steps/sendSmtpEmail.ts
@@ -48,6 +48,35 @@ export const definition: AutomationStepSchema = {
           type: AutomationIOType.STRING,
           title: "HTML Contents",
         },
+        addInvite: {
+          type: AutomationIOType.BOOLEAN,
+          title: "Add calendar invite",
+        },
+        startTime: {
+          type: AutomationIOType.DATE,
+          title: "Start Time",
+          dependsOn: "addInvite",
+        },
+        endTime: {
+          type: AutomationIOType.DATE,
+          title: "End Time",
+          dependsOn: "addInvite",
+        },
+        summary: {
+          type: AutomationIOType.STRING,
+          title: "Meeting Summary",
+          dependsOn: "addInvite",
+        },
+        location: {
+          type: AutomationIOType.STRING,
+          title: "Location",
+          dependsOn: "addInvite",
+        },
+        url: {
+          type: AutomationIOType.STRING,
+          title: "URL",
+          dependsOn: "addInvite",
+        },
       },
       required: ["to", "from", "subject", "contents"],
     },
@@ -68,21 +97,43 @@ export const definition: AutomationStepSchema = {
 }
 
 export async function run({ inputs }: AutomationStepInput) {
-  let { to, from, subject, contents, cc, bcc } = inputs
+  let {
+    to,
+    from,
+    subject,
+    contents,
+    cc,
+    bcc,
+    addInvite,
+    startTime,
+    endTime,
+    summary,
+    location,
+    url,
+  } = inputs
   if (!contents) {
     contents = "<h1>No content</h1>"
   }
   to = to || undefined
   try {
-    let response = await sendSmtpEmail(
+    let response = await sendSmtpEmail({
       to,
       from,
       subject,
       contents,
       cc,
       bcc,
-      true
-    )
+      automation: true,
+      invite: addInvite
+        ? {
+            startTime,
+            endTime,
+            summary,
+            location,
+            url,
+          }
+        : undefined,
+    })
     return {
       success: true,
       response,
diff --git a/packages/server/src/automations/tests/sendSmtpEmail.spec.js b/packages/server/src/automations/tests/sendSmtpEmail.spec.js
deleted file mode 100644
index 998a1f54b2..0000000000
--- a/packages/server/src/automations/tests/sendSmtpEmail.spec.js
+++ /dev/null
@@ -1,71 +0,0 @@
-
-function generateResponse(to, from) {
-    return {
-        "success": true,
-        "response": {
-            "accepted": [
-                to
-            ],
-            "envelope": {
-                "from": from,
-                "to": [
-                    to
-                ]
-            },
-            "message": `Email sent to ${to}.`
-        }
-
-    }
-}
-
-const mockFetch = jest.fn(() => ({
-    headers: {
-        raw: () => {
-            return { "content-type": ["application/json"] }
-        },
-        get: () => ["application/json"],
-    },
-    json: jest.fn(() => response),
-    status: 200,
-    text: jest.fn(),
-}))
-jest.mock("node-fetch", () => mockFetch)
-const setup = require("./utilities")
-
-
-describe("test the outgoing webhook action", () => {
-    let inputs
-    let config = setup.getConfig()
-    beforeAll(async () => {
-        await config.init()
-    })
-
-    afterAll(setup.afterAll)
-
-    it("should be able to run the action", async () => {
-        inputs = {
-            to: "user1@test.com",
-            from: "admin@test.com",
-            subject: "hello",
-            contents: "testing",
-        }
-        let resp = generateResponse(inputs.to, inputs.from)
-        mockFetch.mockImplementationOnce(() => ({
-            headers: {
-                raw: () => {
-                    return { "content-type": ["application/json"] }
-                },
-                get: () => ["application/json"],
-            },
-            json: jest.fn(() => resp),
-            status: 200,
-            text: jest.fn(),
-        }))
-        const res = await setup.runStep(setup.actions.SEND_EMAIL_SMTP.stepId, inputs)
-        expect(res.response).toEqual(resp)
-        expect(res.success).toEqual(true)
-
-    })
-
-
-})
diff --git a/packages/server/src/automations/tests/sendSmtpEmail.spec.ts b/packages/server/src/automations/tests/sendSmtpEmail.spec.ts
new file mode 100644
index 0000000000..da274dfffc
--- /dev/null
+++ b/packages/server/src/automations/tests/sendSmtpEmail.spec.ts
@@ -0,0 +1,74 @@
+import * as workerRequests from "../../utilities/workerRequests"
+
+jest.mock("../../utilities/workerRequests", () => ({
+  sendSmtpEmail: jest.fn(),
+}))
+
+function generateResponse(to: string, from: string) {
+  return {
+    success: true,
+    response: {
+      accepted: [to],
+      envelope: {
+        from: from,
+        to: [to],
+      },
+      message: `Email sent to ${to}.`,
+    },
+  }
+}
+
+const setup = require("./utilities")
+
+describe("test the outgoing webhook action", () => {
+  let inputs
+  let config = setup.getConfig()
+  beforeAll(async () => {
+    await config.init()
+  })
+
+  afterAll(setup.afterAll)
+
+  it("should be able to run the action", async () => {
+    jest
+      .spyOn(workerRequests, "sendSmtpEmail")
+      .mockImplementationOnce(async () =>
+        generateResponse("user1@test.com", "admin@test.com")
+      )
+    const invite = {
+      startTime: new Date(),
+      endTime: new Date(),
+      summary: "summary",
+      location: "location",
+      url: "url",
+    }
+    inputs = {
+      to: "user1@test.com",
+      from: "admin@test.com",
+      subject: "hello",
+      contents: "testing",
+      cc: "cc",
+      bcc: "bcc",
+      addInvite: true,
+      ...invite,
+    }
+    let resp = generateResponse(inputs.to, inputs.from)
+    const res = await setup.runStep(
+      setup.actions.SEND_EMAIL_SMTP.stepId,
+      inputs
+    )
+    expect(res.response).toEqual(resp)
+    expect(res.success).toEqual(true)
+    expect(workerRequests.sendSmtpEmail).toHaveBeenCalledTimes(1)
+    expect(workerRequests.sendSmtpEmail).toHaveBeenCalledWith({
+      to: "user1@test.com",
+      from: "admin@test.com",
+      subject: "hello",
+      contents: "testing",
+      cc: "cc",
+      bcc: "bcc",
+      invite,
+      automation: true,
+    })
+  })
+})
diff --git a/packages/server/src/utilities/workerRequests.ts b/packages/server/src/utilities/workerRequests.ts
index 82e1aac428..5230e25bf7 100644
--- a/packages/server/src/utilities/workerRequests.ts
+++ b/packages/server/src/utilities/workerRequests.ts
@@ -9,7 +9,7 @@ import {
   env as coreEnv,
 } from "@budibase/backend-core"
 import { updateAppRole } from "./global"
-import { BBContext, User } from "@budibase/types"
+import { BBContext, User, EmailInvite } from "@budibase/types"
 
 export function request(ctx?: BBContext, request?: any) {
   if (!request.headers) {
@@ -65,15 +65,25 @@ async function checkResponse(
 }
 
 // have to pass in the tenant ID as this could be coming from an automation
-export async function sendSmtpEmail(
-  to: string,
-  from: string,
-  subject: string,
-  contents: string,
-  cc: string,
-  bcc: string,
+export async function sendSmtpEmail({
+  to,
+  from,
+  subject,
+  contents,
+  cc,
+  bcc,
+  automation,
+  invite,
+}: {
+  to: string
+  from: string
+  subject: string
+  contents: string
+  cc: string
+  bcc: string
   automation: boolean
-) {
+  invite?: EmailInvite
+}) {
   // tenant ID will be set in header
   const response = await fetch(
     checkSlashesInUrl(env.WORKER_URL + `/api/global/email/send`),
@@ -88,6 +98,7 @@ export async function sendSmtpEmail(
         bcc,
         purpose: "custom",
         automation,
+        invite,
       },
     })
   )
diff --git a/packages/types/src/documents/app/automation.ts b/packages/types/src/documents/app/automation.ts
index 193a5a414a..d1dbbec21b 100644
--- a/packages/types/src/documents/app/automation.ts
+++ b/packages/types/src/documents/app/automation.ts
@@ -1,5 +1,6 @@
 import { Document } from "../document"
 import { EventEmitter } from "events"
+import { User } from "../global"
 
 export enum AutomationIOType {
   OBJECT = "object",
@@ -8,6 +9,7 @@ export enum AutomationIOType {
   NUMBER = "number",
   ARRAY = "array",
   JSON = "json",
+  DATE = "date",
 }
 
 export enum AutomationCustomIOType {
@@ -66,6 +68,33 @@ export enum AutomationActionStepId {
   integromat = "integromat",
 }
 
+export interface EmailInvite {
+  startTime: Date
+  endTime: Date
+  summary: string
+  location?: string
+  url?: string
+}
+
+export interface SendEmailOpts {
+  // workspaceId If finer grain controls being used then this will lookup config for workspace.
+  workspaceId?: string
+  // user If sending to an existing user the object can be provided, this is used in the context.
+  user: User
+  // from If sending from an address that is not what is configured in the SMTP config.
+  from?: string
+  // contents If sending a custom email then can supply contents which will be added to it.
+  contents?: string
+  // subject A custom subject can be specified if the config one is not desired.
+  subject?: string
+  // info Pass in a structure of information to be stored alongside the invitation.
+  info?: any
+  cc?: boolean
+  bcc?: boolean
+  automation?: boolean
+  invite?: EmailInvite
+}
+
 export const AutomationStepIdArray = [
   ...Object.values(AutomationActionStepId),
   ...Object.values(AutomationTriggerStepId),
@@ -90,6 +119,7 @@ interface BaseIOStructure {
   customType?: AutomationCustomIOType
   title?: string
   description?: string
+  dependsOn?: string
   enum?: string[]
   pretty?: string[]
   properties?: {
diff --git a/packages/worker/package.json b/packages/worker/package.json
index b11512f88f..7e8715b162 100644
--- a/packages/worker/package.json
+++ b/packages/worker/package.json
@@ -53,6 +53,7 @@
     "elastic-apm-node": "3.38.0",
     "global-agent": "3.0.0",
     "got": "11.8.3",
+    "ical-generator": "4.1.0",
     "joi": "17.6.0",
     "koa": "2.13.4",
     "koa-body": "4.2.0",
diff --git a/packages/worker/src/api/controllers/global/email.ts b/packages/worker/src/api/controllers/global/email.ts
index f5acad9a66..e352ef0b87 100644
--- a/packages/worker/src/api/controllers/global/email.ts
+++ b/packages/worker/src/api/controllers/global/email.ts
@@ -14,6 +14,7 @@ export async function sendEmail(ctx: BBContext) {
     cc,
     bcc,
     automation,
+    invite,
   } = ctx.request.body
   let user
   if (userId) {
@@ -29,6 +30,7 @@ export async function sendEmail(ctx: BBContext) {
     cc,
     bcc,
     automation,
+    invite,
   })
   ctx.body = {
     ...response,
diff --git a/packages/worker/src/utilities/email.ts b/packages/worker/src/utilities/email.ts
index e47d352f87..5d596b0bde 100644
--- a/packages/worker/src/utilities/email.ts
+++ b/packages/worker/src/utilities/email.ts
@@ -4,28 +4,11 @@ import { getTemplateByPurpose, EmailTemplates } from "../constants/templates"
 import { getSettingsTemplateContext } from "./templates"
 import { processString } from "@budibase/string-templates"
 import { getResetPasswordCode, getInviteCode } from "./redis"
-import { User, SMTPInnerConfig } from "@budibase/types"
+import { User, SendEmailOpts, SMTPInnerConfig } from "@budibase/types"
 import { configs } from "@budibase/backend-core"
+import ical from "ical-generator"
 const nodemailer = require("nodemailer")
 
-type SendEmailOpts = {
-  // workspaceId If finer grain controls being used then this will lookup config for workspace.
-  workspaceId?: string
-  // user If sending to an existing user the object can be provided, this is used in the context.
-  user: User
-  // from If sending from an address that is not what is configured in the SMTP config.
-  from?: string
-  // contents If sending a custom email then can supply contents which will be added to it.
-  contents?: string
-  // subject A custom subject can be specified if the config one is not desired.
-  subject?: string
-  // info Pass in a structure of information to be stored alongside the invitation.
-  info?: any
-  cc?: boolean
-  bcc?: boolean
-  automation?: boolean
-}
-
 const TEST_MODE = env.ENABLE_EMAIL_TEST_MODE && env.isDev()
 const TYPE = TemplateType.EMAIL
 
@@ -200,6 +183,26 @@ export async function sendEmail(
       context
     )
   }
+  if (opts?.invite) {
+    const calendar = ical({
+      name: "Invite",
+    })
+    calendar.createEvent({
+      start: opts.invite.startTime,
+      end: opts.invite.endTime,
+      summary: opts.invite.summary,
+      location: opts.invite.location,
+      url: opts.invite.url,
+    })
+    message = {
+      ...message,
+      icalEvent: {
+        method: "request",
+        content: calendar.toString(),
+      },
+    }
+  }
+
   const response = await transport.sendMail(message)
   if (TEST_MODE) {
     console.log("Test email URL: " + nodemailer.getTestMessageUrl(response))
diff --git a/yarn.lock b/yarn.lock
index 9a57eb4377..ea9823b58b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13668,6 +13668,13 @@ husky@^8.0.3:
   resolved "https://registry.yarnpkg.com/husky/-/husky-8.0.3.tgz#4936d7212e46d1dea28fef29bb3a108872cd9184"
   integrity sha512-+dQSyqPh4x1hlO1swXBiNb2HzTDN1I2IGLQx1GrBuiqFJfoMrnZWwVmatvSiO+Iz8fBUnf+lekwNo4c2LlXItg==
 
+ical-generator@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/ical-generator/-/ical-generator-4.1.0.tgz#2a336c951864c5583a2aa715d16f2edcdfd2d90b"
+  integrity sha512-5GrFDJ8SAOj8cB9P1uEZIfKrNxSZ1R2eOQfZePL+CtdWh4RwNXWe8b0goajz+Hu37vcipG3RVldoa2j57Y20IA==
+  dependencies:
+    uuid-random "^1.3.2"
+
 iconv-lite@0.4.24, iconv-lite@^0.4.15, iconv-lite@^0.4.24, iconv-lite@^0.4.5:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
@@ -25279,6 +25286,11 @@ utils-merge@1.0.1, utils-merge@1.x.x:
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
   integrity sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==
 
+uuid-random@^1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/uuid-random/-/uuid-random-1.3.2.tgz#96715edbaef4e84b1dcf5024b00d16f30220e2d0"
+  integrity sha512-UOzej0Le/UgkbWEO8flm+0y+G+ljUon1QWTEZOq1rnMAsxo2+SckbiZdKzAHHlVh6gJqI1TjC/xwgR50MuCrBQ==
+
 uuid@3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.2.tgz#1b4af4955eb3077c501c23872fc6513811587131"