javier
cbf33302dd
This PR contains the work done to add support for showing or hiding completed todo tasks to the *Task list* view. Reviewed-on: rock-n-code/todos-app#5 Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>
69 lines
2.9 KiB
Swift
69 lines
2.9 KiB
Swift
import Foundation
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import SwiftData
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/// Extension providing convenient initializers for fetching todos by group category.
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///
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/// This extension allows creating fetch descriptors that automatically filter and sort todos
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/// based on their completion status and due dates according to the specified `TodoGroup`.
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extension FetchDescriptor where T == Todo {
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/// Creates a fetch descriptor for todos filtered and sorted by a specific group.
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///
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/// This initializer provides a convenient way to fetch todos categorized by their temporal
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/// relevance and completion status. Each group applies appropriate predicates and sort orders:
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///
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/// - **Completed**: All tasks marked as done, sorted by completion date (most recent first)
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/// - **Overdue**: Incomplete tasks with due dates before today, sorted by due date (most recent first)
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/// - **Today**: Incomplete tasks due today, sorted by due date (earliest first)
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/// - **Upcoming**: Incomplete tasks due after today, sorted by due date (earliest first)
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///
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/// - Parameters:
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/// - group: The todo group category to filter by.
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/// - showCompleted: Whether to include completed tasks. Only applies to groups other than `.completed`.
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/// - calendar: The calendar to use for date calculations. Defaults to `.current`.
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init(
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group: TodoGroup,
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showCompleted: Bool,
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calendar: Calendar = .current
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) {
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let predicate: Predicate<Todo>
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let today = calendar.startOfDay(for: .now)
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let tomorrow = calendar.date(byAdding: .day, value: 1, to: today) ?? today
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switch group {
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case .completed:
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predicate = #Predicate { $0.completed != nil }
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case .overdue:
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predicate = showCompleted
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? #Predicate { $0.due < today }
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: #Predicate { $0.completed == nil && $0.due < today }
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case .today:
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predicate = showCompleted
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? #Predicate { $0.due >= today && $0.due < tomorrow }
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: #Predicate { $0.completed == nil && $0.due >= today && $0.due < tomorrow }
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case .upcoming:
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predicate = showCompleted
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? #Predicate { $0.due >= tomorrow }
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: #Predicate { $0.completed == nil && $0.due >= tomorrow }
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}
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let sortDescriptors: [SortDescriptor] =
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switch group {
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case .completed:
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[.init(\Todo.completed, order: .reverse)]
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case .overdue:
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[.init(\Todo.due, order: .reverse)]
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case .today:
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[.init(\Todo.due, order: .forward)]
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case .upcoming:
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[.init(\Todo.due, order: .forward)]
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}
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self.init(
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predicate: predicate,
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sortBy: sortDescriptors
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)
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}
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}
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