Add post deletion support to service layer with enhanced stress testing #1033
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…ost_id` Improved post deletion in the repository layer with better performance and support for entity-based deletion. Changes: - Add `delete_by_entity_id` method that accepts an `EntityId` parameter - Optimize `delete_by_post_id` to remove wasteful full post SELECT query - `delete_by_entity_id` performs lightweight SELECT for just the post ID, then delegates to `delete_by_post_id` - All deletion logic now centralized in `delete_by_post_id` - Add unit tests: `test_repository_delete_by_entity_id` and `test_delete_by_entity_id_deletes_terms` in main test module - Add constraint test: `test_delete_by_entity_id_non_existent_returns_zero` in posts_constraint_tests.rs - Both methods automatically clean up associated term relationships
Expose post deletion functionality in the service layer for both entity-based and post ID-based deletion. Changes: - Add `delete_by_entity_id` method to `PostService` - Add `delete_by_post_id` method to `PostService` - Both methods return `u64` for uniffi compatibility (converts from repository `usize`) - Both methods automatically clean up associated term relationships via repository layer - Add comprehensive unit tests: `test_delete_by_entity_id`, `test_delete_by_post_id`, `test_delete_by_entity_id_non_existent_returns_zero`, and `test_delete_by_post_id_non_existent_returns_zero` - Tests follow consistent pattern: setup via repository/helpers, actions via service layer, verification via repository
Enhanced `start_comprehensive_stress_test` to support random updates, deletes, and inserts with configurable operation weights. Refactored for better maintainability and eliminated unnecessary mutations. Changes: - Add `StressTestConfig` struct to reduce function parameters from 9 to 3 - Add `StressTestOperation` enum for type-safe operation selection (Update, Delete, Insert) - Add weighted random operation selection based on configurable weights - Extract helper functions: `stress_test_batch_update`, `stress_test_batch_delete`, `stress_test_batch_insert` - Refactor `create_test_post` to accept all parameters (title, slug, link, content) - Remove `create_temp_post` method in favor of standalone `create_test_post` - Eliminate mutations when creating new posts (all parameters passed during construction) - Convert imperative for loops to functional style using `.iter().for_each()` - Optimize counter increments to batch-level instead of per-item
Track and display individual operation counts (updates, inserts, deletes) in the stress test UI for better observability. Changes: - Add `insert_counter` and `delete_counter` to `StressTestHandle` in Rust - Add `insert_count()` and `delete_count()` methods to expose counters - Update stress test to increment appropriate counter for each operation type - Add `totalInserts` and `totalDeletes` StateFlows in Kotlin ViewModel - Add coroutine to poll operation counters every 100ms from handle - Update UI to display: "Updates: X | Inserts: Y | Deletes: Z" - Add "Total Operations" line showing sum of all operations
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Overview
Adds post deletion functionality throughout the stack (repository → service → stress test) with optimized database queries and comprehensive observability.
Changes
Repository Layer
delete_by_entity_idmethod that performs lightweight SELECT for post ID then delegates deletiondelete_by_post_idby removing wasteful full post SELECT (0 queries when deleting by post ID)delete_by_post_idfor consistencyService Layer
delete_by_entity_idanddelete_by_post_idmethods inPostServiceu64instead ofusizefor uniffi compatibilityStress Test Enhancements
start_comprehensive_stress_testto support updates, deletes, and inserts with configurable operation weightsStressTestConfigstruct to reduce function parameters from 9 to 3StressTestOperationenum for type-safe operation selection.iter().for_each())insert_counter,delete_counter) toStressTestHandlefor observabilityKotlin Example App