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

package models

import (
	"time"

	"git.golem15.com/golem15/summercms/modules/lagoon/attach"
	"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 *time.Time `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",
	}
}

// AttachRelations declares the attachMany "files". The files are public:
// the student app links them by their storage URL.
func (Material) AttachRelations() []attach.Relation {
	return []attach.Relation{{Name: MaterialFilesField, Many: true, Public: true}}
}

// BeforeSave stores NULL for empty optional text.
func (m *Material) BeforeSave(*gorm.DB) error {
	blank(&m.Body, &m.Source, &m.URL)
	return nil
}