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Too many refactors in one:

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- Allowed adding ephemeral(ish) views and functions
- Moved message_count to a concrete database field
- Moved most proxy logic to a stored procedure
- Moved database files around and refactored schema manager
This commit is contained in:
Ske
2020-06-12 20:29:50 +02:00
parent 24f1363bb0
commit ba441a15cc
37 changed files with 554 additions and 398 deletions
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85
PluralKit.Core/Database/functions.sql Normal file
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-- Giant "mega-function" to find all information relevant for message proxying
-- Returns one row per member, computes several properties from others
create function proxy_info(account_id bigint, guild_id bigint)
returns table
(
-- Note: table type gets matched *by index*, not *by name* (make sure order here and in `select` match)
system_id int, -- from: systems.id
member_id int, -- from: members.id
proxy_tags proxy_tag[], -- from: members.proxy_tags
keep_proxy bool, -- from: members.keep_proxy
proxy_enabled bool, -- from: system_guild.proxy_enabled
proxy_name text, -- calculated: name we should proxy under
proxy_avatar text, -- calculated: avatar we should proxy with
autoproxy_mode int, -- from: system_guild.autoproxy_mode
is_autoproxy_member bool, -- calculated: should this member be used for AP?
latch_message bigint, -- calculated: last message from this account in this guild
channel_blacklist bigint[], -- from: servers.blacklist
log_blacklist bigint[], -- from: servers.log_blacklist
log_channel bigint -- from: servers.log_channel
)
as
$$
select
-- Basic data
systems.id as system_id,
members.id as member_id,
members.proxy_tags as proxy_tags,
members.keep_proxy as keep_proxy,
-- Proxy info
coalesce(system_guild.proxy_enabled, true) as proxy_enabled,
case
when systems.tag is not null then (coalesce(member_guild.display_name, members.display_name, members.name) || ' ' || systems.tag)
else coalesce(member_guild.display_name, members.display_name, members.name)
end as proxy_name,
coalesce(member_guild.avatar_url, members.avatar_url, systems.avatar_url) as proxy_avatar,
-- Autoproxy data
coalesce(system_guild.autoproxy_mode, 1) as autoproxy_mode,
-- Autoproxy logic is essentially: "is this member the one we should autoproxy?"
case
-- Front mode: check if this is the first fronter
when system_guild.autoproxy_mode = 2 then members.id = (select sls.members[1]
from system_last_switch as sls
where sls.system = systems.id)
-- Latch mode: check if this is the last proxier
when system_guild.autoproxy_mode = 3 then members.id = last_message_in_guild.member
-- Member mode: check if this is the selected memebr
when system_guild.autoproxy_mode = 4 then members.id = system_guild.autoproxy_member
-- no autoproxy: then this member definitely shouldn't be autoproxied :)
else false end as is_autoproxy_member,
last_message_in_guild.mid as latch_message,
-- Guild info
coalesce(servers.blacklist, array[]::bigint[]) as channel_blacklist,
coalesce(servers.log_blacklist, array[]::bigint[]) as log_blacklist,
servers.log_channel as log_channel
from accounts
-- Fetch guild info
left join servers on servers.id = guild_id
-- Fetch the system for this account (w/ guild config)
inner join systems on systems.id = accounts.system
left join system_guild on system_guild.system = accounts.system and system_guild.guild = guild_id
-- Fetch all members from this system (w/ guild config)
inner join members on members.system = systems.id
left join member_guild on member_guild.member = members.id and member_guild.guild = guild_id
-- Find ID and member for the last message sent in this guild
left join lateral (select mid, member
from messages
where messages.guild = guild_id
and messages.sender = account_id
and system_guild.autoproxy_mode = 3
order by mid desc
limit 1) as last_message_in_guild on true
where accounts.uid = account_id;
$$ language sql stable
rows 10;