arimelody.me/music/controller/credit.go

package music

import (
	"arimelody.me/arimelody.me/music/model"
	"github.com/jmoiron/sqlx"
)

// DATABASE

func GetReleaseCredits(db *sqlx.DB, release *model.Release) ([]model.Credit, error) {
    var credits = []model.Credit{}

    err := db.Select(&credits,
        "SELECT artist.*,role,is_primary FROM musiccredit "+
        "JOIN artist ON artist=id "+
        "WHERE release=$1",
        release.ID,
    )
    if err != nil {
        return nil, err
    }

    return credits, nil
}

func CreateCredit(db *sqlx.DB, releaseID string, artistID string, credit *model.Credit) (error) {
    _, err := db.Exec(
        "INSERT INTO musiccredit (release, artist, role, is_primary) "+
        "VALUES ($1, $2, $3, $4)",
        releaseID,
        artistID,
        credit.Role,
        credit.Primary,
    )
    if err != nil {
        return err
    }

    return nil
}

func UpdateCredit(db *sqlx.DB, releaseID string, artistID string, credit *model.Credit) (error) {
    _, err := db.Exec(
        "UPDATE musiccredit SET "+
        "role=$3, is_primary=$4 "+
        "WHERE release=$1, artist=$2",
        releaseID,
        artistID,
        credit.Role,
        credit.Primary,
    )
    if err != nil {
        return err
    }

    return nil
}

func DeleteCredit(db *sqlx.DB, releaseID string, artistID string) (error) {
    _, err := db.Exec(
        "DELETE FROM musiccredit "+
        "WHERE release=$1, artist=$2",
        releaseID,
        artistID,
    )
    if err != nil {
        return err
    }

    return nil
}