`class CachedFile`

Caches uploaded media to avoid re-uploading the same Discord attachment to the Matrix homeserver.

Uses a composite primary key of (url, encrypted) because the same source URL may be uploaded both encrypted and unencrypted to different portal rooms.

cached = CachedFile.create( url: "https://cdn.discordapp.com/...", encrypted: false, mxc: "mxc://example.com/abc" )

Definitions

`def self.by_url(url, encrypted: false)`

Look up a cached file by source URL and encryption status.

Implementation

def self.by_url(url, encrypted: false)
  first(url: url, encrypted: encrypted)
end