david
34ea1f718e
- Add date utilities for habit scheduling logic - Implement CreateHabitHandler with full validation - Implement GetTodaysHabitsHandler with carry-over support - Implement MarkHabitHandler for completing habits - All components developed following TDD methodology - Complete test coverage for commands and queries
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package commands
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import (
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"context"
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"habit-tracker-api/internal/domain/entities"
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"habit-tracker-api/internal/domain/repositories"
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"habit-tracker-api/internal/domain/value_objects"
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"habit-tracker-api/internal/shared/errors"
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)
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type CreateHabitCommand struct {
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UserID string
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Name string
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Description string
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Type string
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Frequency string
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SpecificDays []int
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SpecificDates []int
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CarryOver bool
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TargetValue *float64
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}
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type CreateHabitHandler struct {
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habitRepo repositories.HabitRepository
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}
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func NewCreateHabitHandler(habitRepo repositories.HabitRepository) *CreateHabitHandler {
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return &CreateHabitHandler{habitRepo: habitRepo}
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}
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func (h *CreateHabitHandler) Handle(ctx context.Context, cmd CreateHabitCommand) (string, error) {
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habitType := value_objects.HabitType(cmd.Type)
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if !habitType.IsValid() {
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return "", errors.ErrInvalidInput
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}
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frequency := value_objects.Frequency(cmd.Frequency)
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if !frequency.IsValid() {
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return "", errors.ErrInvalidInput
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}
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if frequency == value_objects.FrequencyWeekly && len(cmd.SpecificDays) == 0 {
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return "", errors.ErrInvalidInput
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}
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if frequency == value_objects.FrequencyMonthly && len(cmd.SpecificDates) == 0 {
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return "", errors.ErrInvalidInput
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}
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habit := entities.NewHabit(cmd.UserID, cmd.Name, habitType, frequency, cmd.CarryOver)
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habit.Description = cmd.Description
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habit.SpecificDays = cmd.SpecificDays
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habit.SpecificDates = cmd.SpecificDates
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habit.TargetValue = cmd.TargetValue
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if err := h.habitRepo.Create(ctx, habit); err != nil {
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return "", err
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}
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return habit.ID, nil
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}
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