Created
May 17, 2016 13:33
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| // @flow | |
| import db from 'sequelize-connect' | |
| /** | |
| * Creates and returns a Sequelize screencast model. (This function is to be | |
| * called internally by the sequelize-connect module.) | |
| * | |
| * @param sequelize - A Sequelize connection | |
| * @param DataTypes - A quasi enumeration of SQL data types | |
| */ | |
| const createScreencastModel = function (sequelize: any, DataTypes: any) : any { | |
| const screencast: any = sequelize.define('screencast', { | |
| id: { | |
| primaryKey: true, | |
| type: DataTypes.STRING | |
| }, | |
| url: DataTypes.TEXT, | |
| title: DataTypes.STRING, | |
| description: DataTypes.TEXT, | |
| durationInSeconds: DataTypes.INTEGER | |
| }, { | |
| classMethods: { | |
| associate (models: any): any { | |
| screencast.belongsTo(models.channel) | |
| screencast.belongsToMany(models.tag, { | |
| through: models.screencastTag, | |
| foreignKey: 'screencastId' | |
| }) | |
| }, | |
| async findAllScreencasts (): any { | |
| const foundScreencasts = await db | |
| .models | |
| .screencast | |
| .findAll({ | |
| include: [ | |
| { model: db.models.channel }, | |
| { model: db.models.tag } | |
| ] | |
| }) | |
| return foundScreencasts | |
| }, | |
| async createScreencast (screencast): any { | |
| await db.sequelize.transaction(async transaction => { | |
| const createdChannel = await db.models.channel.create({ | |
| id: screencast.channel.id, | |
| name: screencast.channel.title | |
| }) | |
| await createdChannel.createScreencast({ | |
| ...screencast, | |
| url: screencast.url | |
| }, { | |
| transaction | |
| }) | |
| await db.models.tag.bulkCreate(screencast.tags, { | |
| transaction | |
| }) | |
| const screencastTags = screencast.tags.map(tag => { | |
| return { | |
| screencastId: screencast.id, | |
| tagId: tag.id | |
| } | |
| }) | |
| await db.models.screencastTag.bulkCreate(screencastTags, { | |
| transaction | |
| }) | |
| }) | |
| } | |
| } | |
| }) | |
| return screencast | |
| } | |
| export default createScreencastModel |
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