package schema

import (
    "entgo.io/ent"
    "entgo.io/ent/schema/field"
    "entgo.io/ent/schema/edge"
    "entgo.io/ent/schema/index"
    "time"
)

// PostContributor holds the schema definition for the PostContributor entity.
type PostContributor struct {
    ent.Schema
}

// Fields of the PostContributor.
func (PostContributor) Fields() []ent.Field {
    return []ent.Field{
        field.Enum("language_code").
            Values("en", "zh-Hans", "zh-Hant").
            Optional().
            Nillable(),
        field.Time("created_at").
            Default(time.Now),
    }
}

// Edges of the PostContributor.
func (PostContributor) Edges() []ent.Edge {
    return []ent.Edge{
        edge.From("post", Post.Type).
            Ref("contributors").
            Unique(),
        edge.From("contributor", Contributor.Type).
            Ref("posts").
            Unique(),
        edge.From("role", ContributorRole.Type).
            Ref("post_contributors").
            Unique(),
    }
}

// Indexes of the PostContributor.
func (PostContributor) Indexes() []ent.Index {
    return []ent.Index{
        index.Fields("language_code").
            Edges("post", "contributor", "role").
            Unique(),
    }
}