package models

import "time"

// A Post is a part of a log file.
type Post struct {
	ID       string    `bson:"_id"`
	LogID    string    `bson:"logId"`
	Time     time.Time `bson:"time"`
	Kind     string    `bson:"kind"`
	Nick     string    `bson:"nick"`
	Text     string    `bson:"text"`
	Position int       `bson:"position"`
}

func (post *Post) ApplyUpdate(update PostUpdate) {
	if update.Time != nil {
		post.Time = *update.Time
	}
	if update.Kind != nil {
		post.Kind = *update.Kind
	}
	if update.Nick != nil {
		post.Nick = *update.Nick
	}
	if update.Text != nil {
		post.Text = *update.Text
	}
}

// IsChangeObject is an interface implementation to identify it as a valid
// ChangeObject in GQL.
func (*Post) IsChangeObject() {
	panic("this method is a dummy, and so is its caller")
}

// PostFilter is used to generate a query to the database.
type PostFilter struct {
	IDs    []string
	Kinds  []string
	LogID  *string
	Search *string
	Limit  int
}

type PostUpdate struct {
	Time *time.Time
	Kind *string
	Nick *string
	Text *string
}