Persistent Filtering & Sorting

OVERVIEW The Persistent Filtering & Sorting feature ensures that user-defined filters and sorting preferences are automatically saved and restored across all major station views in Pladio. This intelligent system remembers individual user preferences for each view context, providing a consistent and personalised browsing experience that adapts to user habits and workflow patterns. SCOPE OF IMPLEMENTATION ? AFFECTED VIEWS * Browser View: Maintains discovery preferences and genre filters * Recently Played Stations View: Preserves historical browsing preferences * Favourite Radio Stations View: Retains personal collection organisation * Search Results: Remembers search-specific filtering preferences CORE FUNCTIONALITY ? AUTOMATIC STATE PRESERVATION * Real-Time Saving: Immediate persistence of filter and sort changes * Context-Aware Storage: Individual preferences maintained per view type * Cross-Session Continuity: Preferences restored between app launches * Multi-Device Synchronisation: Consistent preferences across all user devices * Graceful Degradation: Sensible defaults when stored preferences become invalid ? FILTERING PERSISTENCE * Genre Filters: Remember selected music categories and exclusions * Location-Based Filters: Maintain geographic radius and region preferences * Quality Filters: Preserve stream quality and connection type preferences * Language Filters: Retain preferred broadcast language selections * Custom Filters: Save user-created filter combinations with custom names ? SORTING PERSISTENCE * Sort Order Memory: Maintain ascending/descending preferences per criterion * Multi-Column Sorting: Remember complex sorting hierarchies * View-Specific Defaults: Different default sorting per view context * Recent Sort History: Quick access to recently used sorting options * Smart Suggestions: Contextual sorting recommendations based on usage patterns USER EXPERIENCE ENHANCEMENTS ? PERSONALISED WORKFLOW * Seamless Continuation: Resume browsing exactly where previously left off * Reduced Cognitive Load: Eliminate need to repeatedly configure preferences * Workflow Optimisation: Adapt to individual user browsing patterns * Quick Setup: One-time configuration with permanent retention * Contextual Intelligence: Different preferences for different usage scenarios ? USER CONTROL * Manual Reset Options: Clear stored preferences for fresh start ADVANCED FEATURES ? CROSS-PLATFORM CONSISTENCY * Universal Synchronisation: Seamless preference sync across iOS, macOS, watchOS * Platform-Specific Optimisation: Adapt UI elements to platform conventions * Cloud-Based Storage: Secure, encrypted preference storage * Offline Capability: Full functionality without internet connectivity * Migration Support: Seamless preference transfer between app versions TECHNICAL IMPLEMENTATION ? DATA STORAGE STRATEGY * Local-First Architecture: Primary storage on device for immediate access * Encrypted Cloud Backup: Secure synchronisation across user devices * Efficient Data Structure: Optimised storage format for quick retrieval * Version Compatibility: Forward and backward compatibility for app updates * Data Compression: Minimal storage footprint for preference data ? SYNCHRONISATION LOGIC * Conflict Resolution: Intelligent merging of simultaneous preference changes * Delta Synchronisation: Transfer only changed preferences for efficiency * Background Sync: Non-intrusive updates during app usage * Network Resilience: Robust handling of connectivity interruptions * Atomic Operations: Ensure data consistency during preference updates USER INTERFACE INTEGRATION ? VISUAL INDICATORS * Active Filter Badges: Clear indication of currently applied filters * Preference Status: Visual feedback showing which settings are remembered * Reset Confirmation: Clear dialogue for preference clearing actions * Loading States: Appropriate feedback during preference restoration ⚙️ SETTINGS INTEGRATION * Dedicated Preferences Section: Central hub for persistence settings * View-Specific Controls: Fine-grained control per view type * Data Usage Information: Transparency about stored preference data * Privacy Controls: Granular control over what preferences are stored PRIVACY & DATA MANAGEMENT ? USER PRIVACY * Opt-In Persistence: User choice for enabling preference storage * Local-Only Option: Complete local storage for privacy-conscious users * Data Minimisation: Store only essential preference information * Transparent Storage: Clear information about what data is retained * Easy Deletion: Simple process for clearing all stored preferences ?️ DATA PROTECTION * Encryption Standards: Industry-standard encryption for stored preferences * Access Controls: Secure authentication for cloud-stored preferences * Data Retention Policies: Automatic cleanup of obsolete preference data * Compliance Framework: GDPR and regional privacy regulation adherence * Audit Trail: Logging of preference changes for troubleshooting PERFORMANCE OPTIMISATION ⚡ SPEED & EFFICIENCY * Instant Restoration: Sub-second preference loading and application * Memory Efficiency: Optimised memory usage for preference storage * Background Processing: Non-blocking preference updates * Caching Strategy: Smart caching of frequently accessed preferences * Resource Management: Minimal impact on app startup time INTEGRATION WITH CORE FEATURES ? FEATURE INTERCONNECTION * Search Enhancement: Integrate with search history and suggestions ? PLAYER INTEGRATION * Playback Preferences: Remember audio quality and playback settings * Queue Management: Persistent ordering for station queues * History Integration: Influence recently played organization * Cross-Reference Data: Use persistent preferences to enhance other features