// Code generated by summer make. DO NOT EDIT.

package models

import (
	"time"

	"gorm.io/gorm"
)

// MaterialTypes lists the allowed Material.Type values.
var MaterialTypes = []string{"pdf", "notatka", "link", "inne"}

// MaterialFilesField is the system_files field of a material's attachments
// (attachMany "files").
const MaterialFilesField = "files"

// Material is a study material: a note, a link or uploaded files, optionally
// tied to a course. A material without published_at is a draft and is not
// served by the API.
type Material struct {
	ID          uint      `gorm:"column:id;primaryKey"`
	CourseID    *uint     `gorm:"column:course_id"`
	Course      *Course   `gorm:"foreignKey:CourseID"`
	Title       string    `gorm:"column:title"`
	Type        string    `gorm:"column:type"`
	Body        *string   `gorm:"column:body"`
	Source      *string   `gorm:"column:source"`
	URL         *string   `gorm:"column:url"`
	PublishedAt *DateTime `gorm:"column:published_at"`
	CreatedAt   time.Time `gorm:"column:created_at"`
	UpdatedAt   time.Time `gorm:"column:updated_at"`

	Tags []Tag `gorm:"many2many:jz_bm_material_tag;joinForeignKey:material_id;joinReferences:tag_id"`
}

// TableName is the plugin table.
func (Material) TableName() string { return "jz_bm_materials" }

// MorphName is the attachment_type of the material's system_files rows.
func (Material) MorphName() string { return `Jz\Bm\Models\Material` }

// Fillable lists the columns mass assignment may set.
func (Material) Fillable() []string {
	return []string{"course_id", "title", "type", "body", "source", "url", "published_at"}
}

// Rules are checked by the admin API on every save.
func (Material) Rules() map[string]string {
	return map[string]string{
		"title":  "required|max:255",
		"type":   "required|in:pdf,notatka,link,inne",
		"source": "nullable|max:500",
		"url":    "nullable|max:2048",
	}
}

// TemporalErrors checks published_at, which lagoon.Validate cannot.
func (m *Material) TemporalErrors() map[string][]string {
	e := temporalErrors{}
	if m.PublishedAt != nil {
		e.dateTime("published_at", *m.PublishedAt, false)
	}
	return e.result()
}

// BeforeSave stores NULL for empty optional text and an empty publication
// time.
func (m *Material) BeforeSave(*gorm.DB) error {
	blank(&m.Body, &m.Source, &m.URL)
	if m.PublishedAt != nil && *m.PublishedAt == "" {
		m.PublishedAt = nil
	}
	return nil
}