Init commit

server/core/models/video/video-chapter.ts

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+import { AllowNull, BelongsTo, Column, CreatedAt, ForeignKey, Table, UpdatedAt } from 'sequelize-typescript'
+import { MVideo, MVideoChapter } from '@server/types/models/index.js'
+import { VideoChapter, VideoChapterObject } from '@peertube/peertube-models'
+import { VideoModel } from './video.js'
+import { Transaction } from 'sequelize'
+import { getSort } from '../shared/sort.js'
+import { SequelizeModel } from '../shared/sequelize-type.js'
+
+@Table({
+  tableName: 'videoChapter',
+  indexes: [
+    {
+      fields: [ 'videoId', 'timecode' ],
+      unique: true
+    }
+  ]
+})
+export class VideoChapterModel extends SequelizeModel<VideoChapterModel> {
+  @AllowNull(false)
+  @Column
+  declare timecode: number
+
+  @AllowNull(false)
+  @Column
+  declare title: string
+
+  @ForeignKey(() => VideoModel)
+  @Column
+  declare videoId: number
+
+  @BelongsTo(() => VideoModel, {
+    foreignKey: {
+      allowNull: false
+    },
+    onDelete: 'CASCADE'
+  })
+  declare Video: Awaited<VideoModel>
+
+  @CreatedAt
+  declare createdAt: Date
+
+  @UpdatedAt
+  declare updatedAt: Date
+
+  static deleteChapters (videoId: number, transaction: Transaction) {
+    const query = {
+      where: {
+        videoId
+      },
+      transaction
+    }
+
+    return VideoChapterModel.destroy(query)
+  }
+
+  static listChaptersOfVideo (videoId: number, transaction?: Transaction) {
+    const query = {
+      where: {
+        videoId
+      },
+      order: getSort('timecode'),
+      transaction
+    }
+
+    return VideoChapterModel.findAll<MVideoChapter>(query)
+  }
+
+  static hasVideoChapters (videoId: number, transaction: Transaction) {
+    return VideoChapterModel.findOne({
+      where: { videoId },
+      transaction
+    }).then(c => !!c)
+  }
+
+  toActivityPubJSON (this: MVideoChapter, options: {
+    video: MVideo
+    nextChapter: MVideoChapter
+  }): VideoChapterObject {
+    return {
+      name: this.title,
+      startOffset: this.timecode,
+      endOffset: options.nextChapter
+        ? options.nextChapter.timecode
+        : options.video.duration
+    }
+  }
+
+  toFormattedJSON (this: MVideoChapter): VideoChapter {
+    return {
+      timecode: this.timecode,
+      title: this.title
+    }
+  }
+}