wisedog/ladybug

package models

import (
    "errors"
    "time"
)

// Milestone status defined.
const (
    MilestoneStatusActive = 1 + iota
    MilestoneStatusDone
)

// Milestone represents a model for Milestone
type Milestone struct {
    BaseModel

    Name        string `sql:"not null;unique"`
    ProjectID   int
    DueDate     time.Time
    Status      int    //Active, Close
    Description string `sql:"size:1000"` // description of the milestone
}

// Validate check input value and return error map
//
// if second return value 'error' is not nil,
// you may consider invoke 500 internal error.
func (milestone *Milestone) Validate() (map[string]string, error) {
    errorMap := make(map[string]string)
    if !milestone.Required(milestone.Name) {
        errorMap["Name"] = "Name is required."
    }
    var err error

    if milestone.ProjectID == 0 {
        err = errors.New("Invalid project id")
    }

    if milestone.Status < MilestoneStatusActive || milestone.Status > MilestoneStatusDone {
        err = errors.New("Invalid milestone status")
    }
    return errorMap, err
}