February 05, 2024

Implementing User Match Listings with Elixir LiveView

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Implementing User Match Listings with Elixir LiveView

Source: dev.to

Ecto Phoenix Framework Phoenix LiveView

The article walks through the implementation of displaying a list of user matches on the front end of a LiveView application. It delves into Ecto concepts such as `or_where` and `order_by` to query the database for specific user matches. The article then covers the use of the `<.table>` LiveView component for listing matches in the user interface. The author emphasizes best practices for querying nested information efficiently in Phoenix LiveView, avoiding the N+1 query problem by leveraging Ecto's `preload` function. The tutorial continues with a guide on how to dynamically update the matches list using LiveView streams, particularly the `stream_insert/4` function. Towards the end, the article provides tips for fixing broken tests due to the changes in the `Ranking` context and suggests adding additional tests to improve coverage for reactive UI changes.

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