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30 lines
1.4 KiB
JavaScript
30 lines
1.4 KiB
JavaScript
const { DataTypes } = require("sequelize");
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const sequelize = require("../../config/db.config");
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// Standalone entity — no unit_id / order_index here. A Lesson is attached to
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// zero or more Units through unit_lessons, where per-unit ordering lives.
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const Lesson = sequelize.define("Lesson", {
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lesson_id: { type: DataTypes.BIGINT, primaryKey: true, autoIncrement: true, hidden: true, order: 0 },
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uuid: { type: DataTypes.UUID, defaultValue: DataTypes.UUIDV4, allowNull: false, unique: true, hidden: true, order: 0 },
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title: { type: DataTypes.STRING(255), allowNull: false, label: "Title", hidden: false, order: 1 },
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// order 2 is reserved for the computed "Affiliated" (course_count) column, order 3 for computed "Course Status" — see LESSON_LIST_COMPUTED in lessons.controller.js
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description: { type: DataTypes.TEXT, allowNull: true, label: "Description", hidden: true, order: 0 },
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duration_seconds: { type: DataTypes.INTEGER, allowNull: true, defaultValue: 0 }, // computed from blocks on save
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createdBy: { type: DataTypes.BIGINT, allowNull: true, label: "Created By" },
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updatedBy: { type: DataTypes.BIGINT, allowNull: true, label: "Updated By" },
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deletedBy: { type: DataTypes.BIGINT, allowNull: true, label: "Deleted By" },
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}, {
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tableName: "lessons",
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timestamps: true,
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paranoid: true,
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indexes: [
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{ fields: ["uuid"] },
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{ fields: ["deletedAt"] },
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],
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});
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module.exports = Lesson;
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