peertube/server/core/lib/files-cache/avatar-permanent-file-cache.ts

import { CONFIG } from '@server/initializers/config.js'
import { ACTOR_IMAGES_SIZE } from '@server/initializers/constants.js'
import { ActorImageModel } from '@server/models/actor/actor-image.js'
import { MActorImage } from '@server/types/models/index.js'
import { AbstractPermanentFileCache } from './shared/index.js'

export class AvatarPermanentFileCache extends AbstractPermanentFileCache<MActorImage> {

  constructor () {
    super(CONFIG.STORAGE.ACTOR_IMAGES_DIR)
  }

  protected loadModel (filename: string) {
    return ActorImageModel.loadByFilename(filename)
  }

  protected getImageSize (image: MActorImage): { width: number, height: number } {
    if (image.width && image.height) {
      return {
        height: image.height,
        width: image.width
      }
    }

    return ACTOR_IMAGES_SIZE[image.type][0]
  }
}