Moto Health Emergency Bot

Mission

Telegram bot developed for volunteer organization "Moto Health Odessa".

Through carefully designed dialog with quick answers users can report car/bike accident to the bot and it would be fault-tolerantly broadcasted to all chats the bot was wired-up to (using built-in secured administrative functions). App extensively uses telemetry to allow organization to analyze usage patterns and continuously improve the flow.

Tech Stack

• Bot itself is implemented with ASP.NET Core using middleware approach to build resilient Telegram web hook processing pipeline. Hosted on Azure App Service
• Report processing is implemented with Azure Durable Functions app that receives report from bot app through Azure Storage Queue message and resiliently processes it.
• Custom Telegram client library (MotoHealth.Telegram project) is implemented based on awesome Telegram.Bot NuGet. Providing integration with IHttpClientFactory, retry-policy and fluent Telegram message builder.
• Azure Tables NoSQL storage is used for persistence layer.
• Azure App Insights is extensively used for app telemetry collection from CPU / Memory usage to app flow events.
• Whole product infrastructure is automated with Azure Resource Manager (ARM) template.
• GitHub Actions power CI / CD. Deploying beta and prod environments upon merges to develop and main branches respectively.