models

type ExerciseInformation struct {
	gorm.Model
	ActivityName      string  // Name of the activity
	Category          string  // Type of activity (e.g. Cardio, Resistance, Sports, etc.)
	Resistance        string  // The vigour for the exercise (valid values include High, Medium or Low)
	EnergyExpenditure float32 // Energy expenditure of the activity in kilocalories per unit body weight of the person
	Users             []*User `gorm:"many2many:user_exercises;"`
}

type HealthInformation struct {
	gorm.Model
	UserID            uint      // User to which the health information belongs
	Birthday          time.Time // Birthday of the user
	Weight            uint8     // Weight of the user in kilograms
	Height            uint8     // Height of the user in centimeters
	BMI               float32   // Body Mass Index of the user calculated from the weight and height
	ExerciseFrequency uint8     // Weekly exercise frequency of the user
}

type User struct {
	gorm.Model
	Name              string                 `gorm:"not null"`        // Full Name of the user
	Username          string                 `gorm:"not null;unique"` // Username of the user used for logging in to the application
	Password          string                 `gorm:"not null"`        // Password of the user used for logging in to the application
	Email             string                 `gorm:"not null;unique"` // Email of the user, might be autofilled if user signs up using Google
	PhoneNumber       uint64                 `gorm:"not null;unique"` // Phone number of the user
	Gender            string                 `gorm:"not null"`        // Gender of the user values may include, male, female or other (BMI calculated as per male standards for other)
	HealthInformation HealthInformation      // Health information of the user
	Exercises         []*ExerciseInformation `gorm:"many2many:user_exercises;"` // Exercises performed by the user
}