Content

module.exports = (sequelize, DataTypes) => {
    const Content = sequelize.define('Content', {
        title: {
            type: DataTypes.STRING,
            allowNull: false,
        },
        description: {
            type: DataTypes.STRING,
            allowNull: false,
        },
        duration: {
            type: DataTypes.INTEGER,
            allowNull: false,
        },
        thumbnail: {
            type: DataTypes.STRING,
            allowNull: false,
        },
        visibility: {
            type:   DataTypes.ENUM,
            values: ['private', 'friends', 'public'],
            defaultValue: 'private',
        },
        uid: {
            type: DataTypes.STRING,
            allowNull: false,
        },
        created: {
            type: DataTypes.DATE,
            allowNull: false,
            defaultValue: sequelize.literal('CURRENT_TIMESTAMP'),
        },
    }, {
        tableName: 'contents',
        freezeTableName: true,
        timestamps: false,
    });

    Content.associate = (models) => {
        Content.belongsTo(models.User, {
            foreignKey: {
                name: 'user_id',
                allowNull: false,
            },
            onDelete: 'CASCADE',
        });
        Content.hasMany(models.Like, {
            foreignKey: {
                name: 'content_id',
                allowNull: false,
            },
        });
    };

    Content.prototype.toJSON = function () {
        // Return a shallow clone so toJSON method of the nested models can be called recursively.
        return Object.assign({}, this.get());
    };

    return Content;
};