Bump nostrum from 0.6.1 to 0.8.0

[dependabot]

Bumps nostrum from 0.6.1 to 0.8.0.

Release notes

Sourced from nostrum's releases.

0.8.0

Welcome to nostrum 0.8.0, codenamed "ignition on".

This release introduces full support for distributed caching and state, and simplifies the existing cache behaviours by using a single shared interface for reading the cache using Erlang's QLC module. Simply put, instead of having to implement callbacks for every combination of functions that nostrum exposes (and will expose) to the cache, a pluggable cache only needs to implement the c:query_handle/0 callback. To fulfill this move, a few smaller breaking changes have been performed. It is expected that these will be the last bigger breaking changes done before the proper 1.0 release (at which point we will follow semantic versioning).

Note that cache distribution was not the only missing piece to allow distributing nostrum across multiple nodes (albeit the largest one). Gateway event handling must be updated to prevent duplicate gateway connections, proper distribution of shards over nodes must be implemented, and some other improvements in regards to gateway connections with many shards must be implemented, including support for persistent resume seq tokens.

Breaking changes

• The current family of functions to read from the MemberCache have been replaced.
  • Functions affected:
    • MemberCache.get/1 -> MemberCache.fold/3-4
    • MemberCache.get_with_users/1 -> MemberCache.fold_with_users/3-4
    • MemberCache.by_user/1 -> MemberCache.fold_by_user/3-4
  • These changes were performed to support caches that need to perform some form of resource acquisition and release: ETS needs to call safe_fixtable for safe traversal and Mnesia needs to wrap calls in :mnesia.activity.
• The following error returns have been renamed to a more generic version:
  • :channel_not_found -> :not_found
  • :presence_not_found -> :not_found
  • :id_not_found -> :not_found
  • :id_not_found_on_guild_lookup -> :not_found
  • :channel_not_found -> :not_found
• The ChannelCache will no longer look up channels in the GuildCache if they were not found in the channel cache itself. A convenience function to fetch a channel from a guild (they are stored together) can be introduced to GuildCache if needed.
• PresenceCache.get(user_id, guild_id) is now PresenceCache.get(guild_id, user_id), the same for PresenceCache.get!/2.
  • The reason behind this is that all "nested" caches use this form already, and having the arguments reversed may be confusing.

... (truncated)

Commits

• b6a91ff Prepare for 0.8 release
• 5e8dd37 Join ConsumerGroup synchronously
• 5ec6ec5 Define "Nutrition facts" for use Nostrum.Consumer
• 6299046 Merge pull request #502 from bcksl/feat/consumer-use-behaviour-default-handle...
• 88ea20b feat: Nostrum.Consumer: add @before_compile hook for default handle_event
• 81bd76c feat: Nostrum.Consumer: add @behaviour declaration to __using__
• 665db8f feat: Nostrum.Consumer: use new defoverridable syntax and add @impl dec...
• b200970 Merge pull request #500 from Th3-M4jor/add-channel-field-interactions
• daf2b71 add new channel field
• 7a9c858 Prepare 0.8.0-beta1
• Additional commits viewable in compare view

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