Automated Gmail Promotions to Audio Podcast

This workflow is designed for:

• Marketing Professionals: Who want to automate the conversion of promotional emails into engaging audio content for their audience.
• Content Creators: Looking for efficient ways to repurpose email content into podcasts or audio formats.
• Small Business Owners: Who wish to enhance customer engagement by providing audio summaries of important emails.
• Tech-savvy Individuals: Interested in automating their email management and improving productivity through audio content consumption.

This workflow addresses the challenge of effectively managing and consuming promotional emails. It transforms text-heavy emails into audio podcasts, making it easier for users to engage with content while multitasking or relaxing. Users can enjoy the benefits of receiving important information without straining their eyes, enhancing the overall user experience.

1. Gmail Trigger: This node checks for new emails every minute with the label CATEGORY_PROMOTIONS.
2. Get Message Content: It retrieves the content of the triggered email for further processing.
3. Delete Unnecessary Items: Cleans the email data by removing irrelevant fields like threadId, labelIds, and others.
4. Summarization Chain: Utilizes LangChain to create a concise summary of the email content, ensuring it's under 247 characters for easy TTS readability.
5. Text to TTS: Converts the summarized text into an audio file using the Free TTS API.
6. Convert from Base64 to File: Transforms the audio data into a usable file format.
7. Merge Text with Audio: Combines the summarized text with the audio for a complete output.
8. Aggregate Data: Collects all processed data into a single output.
9. Send Message to Telegram: Finally, sends the audio file along with a caption to a specified Telegram chat, making the content easily shareable.