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New Components - mailosaur #16666

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@luancazarine luancazarine commented May 14, 2025

Resolves #16655.

Summary by CodeRabbit

  • New Features

    • Introduced actions to create and send emails, delete emails, and search for emails using Mailosaur.
    • Added sources to emit events for new messages and for messages matching specific criteria in a Mailosaur inbox.
    • Enhanced Mailosaur integration with dynamic property selection, filtering options, and paginated data retrieval.
  • Chores

    • Updated package version and added a dependency on @pipedream/platform.

@luancazarine luancazarine added the ai-assisted Content generated by AI, with human refinement and modification label May 14, 2025
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coderabbitai bot commented May 14, 2025

"""

Walkthrough

This update introduces a comprehensive Mailosaur integration, adding new polling sources for incoming emails, actions to create, search, and delete emails, and supporting utilities. The Mailosaur app component is refactored to include structured API methods, dynamic property loading, and pagination. Test event fixtures and common constants are also provided.

Changes

File(s) Change Summary
components/mailosaur/actions/create-email/create-email.mjs New action: Create and send email via Mailosaur with validation for required fields and API interaction.
components/mailosaur/actions/delete-email/delete-email.mjs New action: Delete an email from Mailosaur by email ID.
components/mailosaur/actions/search-email/search-email.mjs New action: Search for emails in Mailosaur with multiple filter options.
components/mailosaur/common/constants.mjs New module: Exports LIMIT and MATCH_OPTIONS constants for use in filtering and pagination.
components/mailosaur/mailosaur.app.mjs Major refactor: Adds API methods, authentication, pagination, and dynamic property definitions for Mailosaur integration.
components/mailosaur/package.json Version bump to 0.1.0 and adds dependency on @pipedream/platform.
components/mailosaur/sources/common/base.mjs New base source: Implements polling, state management, and event emission for Mailosaur sources.
components/mailosaur/sources/new-email-matching-criteria/new-email-matching-criteria.mjs New source: Emits events for emails matching specific criteria.
components/mailosaur/sources/new-email-matching-criteria/test-event.mjs New test event: Provides a sample email event for matching criteria source.
components/mailosaur/sources/new-message/new-message.mjs New source: Emits events for new messages received in a Mailosaur inbox.
components/mailosaur/sources/new-message/test-event.mjs New test event: Provides a sample email message for the new-message source.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant CreateEmailAction
    participant MailosaurApp
    participant MailosaurAPI

    User->>CreateEmailAction: Trigger create-email
    CreateEmailAction->>MailosaurApp: sendEmail({ serverId, to, ... })
    MailosaurApp->>MailosaurAPI: POST /messages
    MailosaurAPI-->>MailosaurApp: Email creation response
    MailosaurApp-->>CreateEmailAction: Response
    CreateEmailAction-->>User: Summary and result
Loading
sequenceDiagram
    participant Source
    participant MailosaurApp
    participant MailosaurAPI
    participant EventStream

    Source->>MailosaurApp: listMessages/searchMessages({ serverId, ... })
    MailosaurApp->>MailosaurAPI: GET /messages or /messages/search
    MailosaurAPI-->>MailosaurApp: List of messages
    MailosaurApp-->>Source: Messages
    Source->>EventStream: Emit new events for each message
Loading

Assessment against linked issues

Objective Addressed Explanation
Add polling source: new-message (emit on new message in specified inbox) (#16655)
Add polling source: new-email-matching-criteria (emit on email matching sentFrom, sentTo, subject, body) (#16655)
Add action: create-email (send email, required: server ID, to, subject; optional: from, html, text, send, attachments) (#16655) Attachments property is not implemented in the create-email action.
Add action: search-email (search by server ID, receiveAfter, page, itemsPerPage, dir) (#16655)
Add action: delete-email (delete email by email ID) (#16655)

Poem

(
(
(
((\
( -.-) "Mailosaur hops in, with emails to send,
o_(")(") New messages, searches, and deletes to the end!
With code so neat and sources that poll,
This bunny delivers emails—on a roll!"
"""

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components/scrapeless/scrapeless.app.mjs

Oops! Something went wrong! :(

ESLint: 8.57.1

Error [ERR_MODULE_NOT_FOUND]: Cannot find package 'jsonc-eslint-parser' imported from /eslint.config.mjs
at packageResolve (node:internal/modules/esm/resolve:839:9)
at moduleResolve (node:internal/modules/esm/resolve:908:18)
at defaultResolve (node:internal/modules/esm/resolve:1038:11)
at ModuleLoader.defaultResolve (node:internal/modules/esm/loader:557:12)
at ModuleLoader.resolve (node:internal/modules/esm/loader:525:25)
at ModuleLoader.getModuleJob (node:internal/modules/esm/loader:246:38)
at ModuleJob._link (node:internal/modules/esm/module_job:126:49)

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Sources
 - New Message
 - New Message Macthing Criteira

Actions
 - Create Email
 - Search Message
 - Delete Message
@luancazarine luancazarine marked this pull request as ready for review May 15, 2025 20:20
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Actionable comments posted: 3

🧹 Nitpick comments (9)
components/mailosaur/sources/new-message/test-event.mjs (1)

1-16: Well-structured test event for new message detection.

This test event provides appropriate mock data for the new message source. Note that this test fixture is identical to the one in new-email-matching-criteria/test-event.mjs.

Consider creating a shared test fixture that both source components could import if they'll always use identical test data. This would reduce duplication and make future updates more maintainable.

components/mailosaur/actions/create-email/create-email.mjs (3)

24-28: Fix spacing in the email example

There's an extra space in the email example that should be removed.

-      description: "Optionally overrides of the message's `from` address. This **must** be an address ending with `YOUR_SERVER.mailosaur.net`, such as `my-emails @a1bcdef2.mailosaur.net`.",
+      description: "Optionally overrides of the message's `from` address. This **must** be an address ending with `YOUR_SERVER.mailosaur.net`, such as `[email protected]`.",

34-45: Consider enhancing documentation for HTML and text objects

The props for HTML and text are defined as objects with limited description of their expected structure. Consider providing more details or examples to help users understand the expected format.


53-55: Simplify validation logic

The validation logic can be simplified slightly.

-    if ((!!this.send) && (!this.html && !this.text)) {
+    if (this.send && !this.html && !this.text) {
      throw new ConfigurationError("Please provide either HTML or plain text content.");
    }
components/mailosaur/mailosaur.app.mjs (3)

23-27: Label/description typo for emailId property

Both the label and description still read “Server ID”, which is misleading for an e-mail selector and will confuse users in the UI.

-  label: "Server ID",
-  description: "The identifier of the server from which the email should be sent.",
+  label: "Email ID",
+  description: "The identifier of the email to operate on.",

53-61: Risk of leaking component context via default $ parameter

_makeRequest({ $ = this, … }) passes the whole component instance by default to axios, which may inadvertently expose internal props (e.g. secrets) to request/response interceptors. Instead, forward only the $ that Pipedream explicitly injects (this).

-_makeRequest({ $ = this, path, ...opts }) {
-  return axios($, {
+_makeRequest({ $, path, ...opts }) {
+  // default to the app instance when a `$` context
+  // isn’t supplied by the caller
+  const context = $ || this;
+  return axios(context, {

44-46: Consider extracting base URL & limit to constants

Hard-coding "https://mailosaur.com/api" here makes future upgrades painful (e.g., v2 endpoint or regional hosts). You already import LIMIT from ./common/constants.mjs; doing the same for the base URL will improve maintainability.

components/mailosaur/sources/common/base.mjs (2)

50-54: _setLastDate assumes API is sorted newest-first

If the API ever returns results oldest-first, responseArray[0] will point to the oldest message, causing duplicates on the next run. Safer to compute Math.max(...receivedTimestamps) or rely on the first element after sorting.


65-73: Missing abstract getFunction / getSummary contracts

emitEvent calls this.getFunction() and this.getSummary(item) but the base class does not enforce or document these. AddingrequiredMethods checks or JSDoc will prevent accidental runtime errors in extending sources.

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Plan: Pro
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Knowledge Base: Disabled due to data retention organization setting

📥 Commits

Reviewing files that changed from the base of the PR and between 02b76b8 and 7ddb44c.

⛔ Files ignored due to path filters (1)
  • pnpm-lock.yaml is excluded by !**/pnpm-lock.yaml
📒 Files selected for processing (11)
  • components/mailosaur/actions/create-email/create-email.mjs (1 hunks)
  • components/mailosaur/actions/delete-email/delete-email.mjs (1 hunks)
  • components/mailosaur/actions/search-email/search-email.mjs (1 hunks)
  • components/mailosaur/common/constants.mjs (1 hunks)
  • components/mailosaur/mailosaur.app.mjs (1 hunks)
  • components/mailosaur/package.json (2 hunks)
  • components/mailosaur/sources/common/base.mjs (1 hunks)
  • components/mailosaur/sources/new-email-matching-criteria/new-email-matching-criteria.mjs (1 hunks)
  • components/mailosaur/sources/new-email-matching-criteria/test-event.mjs (1 hunks)
  • components/mailosaur/sources/new-message/new-message.mjs (1 hunks)
  • components/mailosaur/sources/new-message/test-event.mjs (1 hunks)
🔇 Additional comments (10)
components/mailosaur/package.json (1)

3-3: Package version and dependencies correctly updated.

The version bump to 0.1.0 is appropriate for the introduction of new Mailosaur integration components. The added dependency on @pipedream/platform is standard for Pipedream components and properly uses semantic versioning.

Also applies to: 14-16

components/mailosaur/sources/new-email-matching-criteria/test-event.mjs (1)

1-16: Well-structured test event for email matching criteria.

This test event provides a comprehensive mock email object with all the expected fields (id, timestamp, subject, sender/recipient details) that would be needed to test matching criteria functionality. The structure follows Mailosaur's API response format.

components/mailosaur/common/constants.mjs (1)

1-12: Well-organized constants module.

Centralizing the limit value and match options in a common constants file is a good practice. The match options are properly structured with descriptive labels and values for dropdown selection, and the 1000 item limit is a reasonable default for pagination.

components/mailosaur/actions/delete-email/delete-email.mjs (1)

1-37: Well-structured delete email action with appropriate props and error handling.

This action properly imports the Mailosaur app, defines the necessary properties with correct dependencies (emailId depends on serverId), and includes appropriate error handling through the Pipedream context. The success message is clear, and returning the deleted emailId allows for chaining with other actions if needed.

components/mailosaur/sources/new-message/new-message.mjs (1)

1-22: Implementation looks clean and well-structured!

This source component is well implemented with clear naming, proper documentation links, and good separation of concerns. The extension of a common base component promotes code reuse, and the methods are concise and focused.

components/mailosaur/actions/create-email/create-email.mjs (1)

52-73: Implementation looks good!

The validation, error handling, and API interaction are well implemented. The export summary provides clear feedback to the user.

components/mailosaur/actions/search-email/search-email.mjs (1)

1-101: Component is well-structured with comprehensive search parameters

The search email action provides a comprehensive set of search parameters with clear descriptions and appropriate separation between query parameters and body data in the API call. The export summary is informative.

components/mailosaur/sources/new-email-matching-criteria/new-email-matching-criteria.mjs (2)

1-66: Component effectively extends base functionality with filtering criteria

This component nicely extends the common base module with additional filtering capabilities. The implementation is clean and follows consistent patterns with the other Mailosaur components.


15-26:

✅ Verification successful

Check description references to phone numbers

The property descriptions reference "phone number" which seems unusual for an email service. Verify if Mailosaur supports both email and SMS messaging, and adjust the descriptions if necessary.


🌐 Web query:

Does Mailosaur support SMS or phone number messaging in addition to email?

💡 Result:

Yes, Mailosaur fully supports SMS messaging alongside email testing. Mailosaur's platform allows you to test and automate SMS communications with features similar to their email testing capabilities.

SMS Testing Capabilities

Mailosaur provides dedicated test phone numbers that you can use for SMS testing. These numbers are assigned to your servers, allowing you to send SMS messages to them and then retrieve and analyze those messages using the Mailosaur API[3][4]. This enables end-to-end testing of SMS functionality in your applications.

Key SMS Features:

  • Dedicated phone numbers for testing that are assigned to your account[9]
  • Support for international mobile numbers[4]
  • Ability to verify SMS delivery timing[4]
  • Testing of identity/account verification codes and one-time passwords (OTPs)[4]
  • Validation of promotional text messages[4]
  • Automated SMS testing with various frameworks like Cypress, Playwright, Selenium, and Robot Framework[3][6]
  • Reply functionality to simulate user responses to SMS messages[5]

How SMS Testing Works

The process for testing SMS messages with Mailosaur is straightforward:

  1. Request and assign a phone number to one of your Mailosaur servers
  2. Send SMS messages to that number as you normally would
  3. Use the Mailosaur API to retrieve and test the content of those messages[3]

The code for retrieving and testing SMS messages is very similar to the approach used for email testing, making it easy to implement if you're already using Mailosaur for email tests[6][7].

Phone Number Availability

Mailosaur offers phone numbers in various countries:

  • US, UK, and Canadian numbers are included in standard pricing
  • Numbers for other countries (such as France, Germany, and Australia) are available with additional charges
  • The Business plan includes 1 number, while the Professional plan includes 5 numbers as standard
  • Additional numbers can be added starting from $1 per number per month[9]

This combined approach of handling both email and SMS testing through a single platform is considered one of Mailosaur's key advantages according to user reviews[10].

Citations:


No changes needed for phone number references

Mailosaur supports both email and SMS testing, so keeping “email address or phone number” in these field descriptions is correct.

components/mailosaur/sources/common/base.mjs (1)

45-47: Date comparison may skip newer items on equal timestamps

break triggers when received <= lastDate, so if two messages share the same received value the second one is never emitted. Consider continue for equality or store millisecond precision to guarantee monotonicity.

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Looks good, just a couple minor things.

Comment on lines +71 to +74
options: [
"ALL",
"ANY",
],
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Should this be options: constants.MATCH_OPTIONS?

Comment on lines +34 to +41
const response = this.mailosaur.paginate({
fn: this.getFunction(),
receivedAfter: lastDate,
params: {
server: this.serverId,
},
data: this.getData(),
});
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I think receivedAfter is meant to go in params.

Suggested change
const response = this.mailosaur.paginate({
fn: this.getFunction(),
receivedAfter: lastDate,
params: {
server: this.serverId,
},
data: this.getData(),
});
const response = this.mailosaur.paginate({
fn: this.getFunction(),
params: {
server: this.serverId,
receivedAfter: lastDate,
},
data: this.getData(),
});

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