mARTin
d92a8c7210
- Added 'onDelete' and 'onNotes' support to TaskItem. - Implemented hover actions (Delete and Notes icons) for tasks. - Added Notes Modal for editing task markdown content. - Simplified navigation animation to remove blank flash (single-phase slide-in). - Fixed syntax error in updateTask function. - Updated styles for modal and task actions.
126 lines
5.0 KiB
Markdown
126 lines
5.0 KiB
Markdown
# Architecture Patterns
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**Domain:** Weekly Scheduler with Calendar Integration
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**Researched:** Sat Jan 24 2026
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## Recommended Architecture
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A weekly scheduler with calendar integration typically follows a component-based architecture with clear separation between UI presentation, data management, and external integrations.
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The core architecture consists of:
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1. **Presentation Layer** - Responsible for rendering the weekly schedule grid
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2. **Data Management Layer** - Handles task storage, retrieval, and organization
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3. **Calendar Integration Layer** - Manages connections to external calendar services
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4. **Business Logic Layer** - Manages scheduling rules and workflows
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### Component Boundaries
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| Component | Responsibility | Communicates With |
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|-----------|---------------|-------------------|
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| Weekly View Component | Renders the weekly schedule grid with days and time slots | Task Data Store, Navigation Controls |
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| Task List Component | Displays tasks for a specific week/day | Data Store, Task Creation Form |
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| Task Creation Form | Handles creating/editing tasks with validation | Data Store, Validation Layer |
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| Navigation Controls | Manage week navigation (previous/next week) | Data Store, Week Calculator |
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| Data Store | Centralized storage and management of tasks and schedule data | Persistence Layer, UI Components |
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| Persistence Layer | Handles local storage or database operations | Data Store, External Sync |
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| Calendar Sync Service | Manages integration with external calendars (Google, Apple) | Calendar APIs, Data Store |
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| Week Calculation Service | Handles date calculations and week boundary logic | Navigation Components, Data Store |
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| Validation Layer | Validates task data before saving | Form Components, Data Store |
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### Data Flow
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1. **User Interaction**: User interacts with UI (clicking days, creating tasks)
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2. **Component Updates**: UI components update state or dispatch actions
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3. **Data Processing**: Business logic processes task creation/update/deletion
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4. **Storage Operation**: Data Store coordinates with persistence layer
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5. **External Sync**: Calendar sync service handles external calendar integration
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6. **UI Refresh**: Changes propagate back to UI through state updates
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## Patterns to Follow
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### Pattern 1: Component-Based Architecture
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**What:** Break the application into reusable, self-contained components
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**When:** For maintainability and scalability of UI elements
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**Example:**
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```jsx
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// WeeklyView Component
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function WeeklyView({ tasks, onTaskSelect, onTaskCreate }) {
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return (
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<div className="weekly-view">
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<WeekNavigation />
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<DayColumns tasks={tasks} />
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</div>
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);
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}
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```
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### Pattern 2: State Management with Context API or Similar
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**What:** Centralized state management for task data and UI state
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**When:** When multiple components need access to the same data
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**Example:**
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```javascript
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const TaskContext = createContext();
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function TaskProvider({ children }) {
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const [tasks, setTasks] = useState([]);
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return (
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<TaskContext.Provider value={{ tasks, setTasks }}>
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{children}
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</TaskContext.Provider>
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);
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}
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```
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### Pattern 3: Observer Pattern for Calendar Sync
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**What:** Event-driven architecture for keeping data synchronized
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**When:** For external calendar integration and real-time updates
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**Example:**
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```javascript
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class CalendarSyncService {
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constructor() {
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this.observers = [];
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}
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subscribe(observer) {
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this.observers.push(observer);
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}
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notifyObservers(change) {
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this.observers.forEach(obs => obs.update(change));
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}
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}
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```
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## Anti-Patterns to Avoid
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### Anti-Pattern 1: Monolithic Component Structure
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**What:** Having one massive component that handles everything
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**Why bad:** Makes code hard to maintain, debug, and test
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**Instead:** Break into smaller, focused components
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### Anti-Pattern 2: Direct DOM Manipulation
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**What:** Interacting directly with DOM elements instead of using state management
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**Why bad:** Breaks React's declarative model, leads to unpredictable UI states
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**Instead:** Use React state and props for all UI changes
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### Anti-Pattern 3: Inconsistent Data Flow
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**What:** Mixing different state management patterns throughout the app
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**Why bad:** Makes code hard to reason about and maintain
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**Instead:** Choose one consistent pattern (Context API, Redux, or Jotai)
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## Scalability Considerations
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| Concern | At 100 users | At 10K users | At 1M users |
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|---------|--------------|--------------|-------------|
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| UI Rendering | Standard rendering | Virtualized lists for performance | Server-side rendering + caching |
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| Data Storage | Client-side storage (localStorage) | Backend database with indexing | Distributed database with sharding |
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| Calendar Sync | Client-side polling | Background sync jobs | Asynchronous processing queues |
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| Concurrent Access | Single user context | Multi-user isolation | Database transactions with locking |
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## Sources
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- React-based calendar application architecture patterns
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- Modern web application design principles
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- Calendar integration best practices (Google Calendar API, Apple Calendar API) |