Change Details

### Hypothesis Text > If we update the EventBus extension to utilize in-process PHP events for page state changes and conduct initial research to verify the feasibility of implementing a long-lived PHP Kafka listener, we will demonstrate that domain events are a viable option for both broadcasting and consuming events for use cases beyond MediaWiki. ### Description Over the course of FY24-25, we identified and implemented domain events as a mechanism to improve stability across MediaWiki by replacing some event-like hooks with a new domain event pattern. ### Milestones [] Replace the following hooks with well-established PageState change events: [] PageSaveCompleteHook [] PageDeleteCompleteHook [] [Stretch] Replace the following hooks with new PageState change events: [] PageMoveCompleteHook [] PageUndeleteCompleteHook [] ArticleRevisionVisibilitySetHook [] Testing period [] Spike work for determining feasibility of PHP Kafka listener [] [Stretch] Basic PoC to implement an example pipeline for bringing data into MW

### Hypothesis Text > If we update the EventBus extension to utilize in-process PHP events for page state changes and conduct initial research to verify the feasibility of implementing a long-lived PHP Kafka listener, we will demonstrate that domain events are a viable option for both broadcasting and consuming events for use cases beyond MediaWiki. ### Description Over the course of FY24-25, we identified and implemented domain events as a mechanism to improve stability across MediaWiki by replacing some event-like hooks with a new domain event pattern. ### Milestones [x] Replace the following hooks with well-established PageState change events: [x] PageSaveCompleteHook [x] PageDeleteCompleteHook [x] [Stretch] Replace the following hooks with new PageState change events: [x] PageMoveCompleteHook [x] PageUndeleteCompleteHook [x] ArticleRevisionVisibilitySetHook [x] Testing period [x] Spike work for determining feasibility of PHP Kafka listener [x] [Stretch] Basic PoC to implement an example pipeline for bringing data into MW

### Hypothesis Text > If we update the EventBus extension to utilize in-process PHP events for page state changes and conduct initial research to verify the feasibility of implementing a long-lived PHP Kafka listener, we will demonstrate that domain events are a viable option for both broadcasting and consuming events for use cases beyond MediaWiki. ### Description Over the course of FY24-25, we identified and implemented domain events as a mechanism to improve stability across MediaWiki by replacing some event-like hooks with a new domain event pattern. ### Milestones [x] Replace the following hooks with well-established PageState change events: [x] PageSaveCompleteHook [x] PageDeleteCompleteHook [x] [Stretch] Replace the following hooks with new PageState change events: [x] PageMoveCompleteHook [x] PageUndeleteCompleteHook [x] ArticleRevisionVisibilitySetHook [x] Testing period [x] Spike work for determining feasibility of PHP Kafka listener [x] [Stretch] Basic PoC to implement an example pipeline for bringing data into MW