first test

backend/models/goals_habits.go

@@ -0,0 +1,173 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// Habit represents a habit that can be tracked
+type Habit struct {
+	ID        uint           `json:"id" gorm:"primaryKey"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
+
+	UserID uint `json:"user_id" gorm:"not null;index"`
+	User   User `json:"user,omitempty" gorm:"foreignKey:UserID"`
+
+	// Basic habit information
+	Name        string `json:"name" gorm:"not null"`
+	Description string `json:"description" gorm:"type:text"`
+	Category    string `json:"category" gorm:"default:personal"` // health, productivity, learning, personal
+
+	// Habit tracking
+	TargetFrequency int     `json:"target_frequency"` // e.g., 7 times per week
+	FrequencyUnit   string  `json:"frequency_unit"`   // daily, weekly, monthly
+	TargetValue     float64 `json:"target_value"`     // e.g., 30 minutes, 8 glasses
+	Unit            string  `json:"unit"`             // minutes, glasses, pages, etc.
+
+	// Schedule
+	TimeOfDay  string   `json:"time_of_day"`                         // morning, afternoon, evening, night
+	DaysOfWeek []string `json:"days_of_week" gorm:"serializer:json"` // ["monday", "tuesday", etc.]
+
+	// Status and settings
+	IsActive       bool    `json:"is_active" gorm:"default:true"`
+	IsPublic       bool    `json:"is_public" gorm:"default:false"`
+	Streak         int     `json:"streak" gorm:"default:0"`
+	LongestStreak  int     `json:"longest_streak" gorm:"default:0"`
+	CompletionRate float64 `json:"completion_rate" gorm:"default:0"` // percentage
+
+	// Relationships
+	GoalID       *uint        `json:"goal_id,omitempty"`
+	Goal         *Goal        `json:"goal,omitempty" gorm:"foreignKey:GoalID"`
+	HabitEntries []HabitEntry `json:"habit_entries,omitempty" gorm:"foreignKey:HabitID"`
+	HabitTags    []HabitTag   `json:"habit_tags,omitempty" gorm:"foreignKey:HabitID"`
+}
+
+// HabitEntry represents a single completion of a habit
+type HabitEntry struct {
+	ID        uint           `json:"id" gorm:"primaryKey"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
+
+	HabitID uint  `json:"habit_id" gorm:"not null;index"`
+	Habit   Habit `json:"habit,omitempty" gorm:"foreignKey:HabitID"`
+
+	EntryDate   time.Time `json:"entry_date" gorm:"not null;index"`
+	Value       float64   `json:"value"`        // actual value completed
+	TargetValue float64   `json:"target_value"` // target value for this entry
+	Unit        string    `json:"unit"`
+	Notes       string    `json:"notes" gorm:"type:text"`
+	IsCompleted bool      `json:"is_completed" gorm:"default:false"`
+	Quality     int       `json:"quality" gorm:"default:3"` // 1-5 rating
+	TimeSpent   int       `json:"time_spent"`               // minutes spent
+	Location    string    `json:"location"`
+	Mood        string    `json:"mood"` // happy, neutral, stressed, etc.
+}
+
+// GoalTag represents tags for goals
+type GoalTag struct {
+	ID     uint `json:"id" gorm:"primaryKey"`
+	GoalID uint `json:"goal_id" gorm:"not null;index"`
+	TagID  uint `json:"tag_id" gorm:"not null;index"`
+	Goal   Goal `json:"goal,omitempty" gorm:"foreignKey:GoalID"`
+	Tag    Tag  `json:"tag,omitempty" gorm:"foreignKey:TagID"`
+}
+
+// HabitTag represents tags for habits
+type HabitTag struct {
+	ID      uint  `json:"id" gorm:"primaryKey"`
+	HabitID uint  `json:"habit_id" gorm:"not null;index"`
+	TagID   uint  `json:"tag_id" gorm:"not null;index"`
+	Habit   Habit `json:"habit,omitempty" gorm:"foreignKey:HabitID"`
+	Tag     Tag   `json:"tag,omitempty" gorm:"foreignKey:TagID"`
+}
+
+// GoalTemplate represents templates for creating goals
+type GoalTemplate struct {
+	ID        uint           `json:"id" gorm:"primaryKey"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
+
+	Name        string  `json:"name" gorm:"not null"`
+	Description string  `json:"description" gorm:"type:text"`
+	Category    string  `json:"category"`
+	Unit        string  `json:"unit"`
+	TargetValue float64 `json:"target_value"`
+	Duration    int     `json:"duration"` // suggested duration in days
+	IsPublic    bool    `json:"is_public" gorm:"default:false"`
+	UsageCount  int     `json:"usage_count" gorm:"default:0"`
+
+	// Template milestones
+	Milestones []GoalTemplateMilestone `json:"milestones,omitempty" gorm:"foreignKey:GoalTemplateID"`
+}
+
+// GoalTemplateMilestone represents milestones in goal templates
+type GoalTemplateMilestone struct {
+	ID        uint           `json:"id" gorm:"primaryKey"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"-" gorm:"index"`
+
+	GoalTemplateID uint         `json:"goal_template_id" gorm:"not null;index"`
+	GoalTemplate   GoalTemplate `json:"goal_template,omitempty" gorm:"foreignKey:GoalTemplateID"`
+
+	Title       string  `json:"title" gorm:"not null"`
+	Description string  `json:"description" gorm:"type:text"`
+	TargetValue float64 `json:"target_value"`
+	Unit        string  `json:"unit"`
+	DayOffset   int     `json:"day_offset"` // days from start date
+	SortOrder   int     `json:"sort_order" gorm:"default:0"`
+}
+
+// BeforeCreate hooks
+func (h *Habit) BeforeCreate(tx *gorm.DB) error {
+	if h.Category == "" {
+		h.Category = "personal"
+	}
+	if h.FrequencyUnit == "" {
+		h.FrequencyUnit = "daily"
+	}
+	return nil
+}
+
+func (he *HabitEntry) BeforeCreate(tx *gorm.DB) error {
+	// Set completion based on value vs target
+	if he.Value >= he.TargetValue {
+		he.IsCompleted = true
+	}
+	return nil
+}
+
+// BeforeUpdate hooks
+func (h *Habit) BeforeUpdate(tx *gorm.DB) error {
+	// Update completion rate and streak
+	h.updateStreakAndRate()
+	return nil
+}
+
+// Helper methods
+
+// updateStreakAndRate calculates current streak and completion rate
+func (h *Habit) updateStreakAndRate() {
+	// This would typically involve querying habit entries
+	// For now, we'll keep the existing values
+	// In a real implementation, you'd calculate based on recent entries
+}
+
+// GetTodayEntry gets today's habit entry if it exists
+func (h *Habit) GetTodayEntry() *HabitEntry {
+	// This would typically query the database
+	// For now, return nil
+	return nil
+}
+
+// GetWeeklyStreak gets the current weekly streak
+func (h *Habit) GetWeeklyStreak() int {
+	// This would calculate based on habit entries
+	// For now, return the stored streak
+	return h.Streak
+}