chore: move migrations to rust

also adds some basic test seed data

crates/migrate/data/clean.sql

@@ -0,0 +1,16 @@
+-- This gets run on every bot startup and makes sure we're starting from a clean slate
+-- Then, the views/functions.sql files get run, and they recreate the necessary objects
+-- This does mean we can't use any functions in row triggers, etc. Still unsure how to handle this.
+
+drop view if exists system_last_switch;
+drop view if exists system_fronters;
+drop view if exists member_list;
+drop view if exists group_list;
+
+drop function if exists message_context;
+drop function if exists proxy_members;
+drop function if exists has_private_members;
+drop function if exists generate_hid;
+drop function if exists find_free_system_hid;
+drop function if exists find_free_member_hid;
+drop function if exists find_free_group_hid;

crates/migrate/data/functions.sql

@@ -0,0 +1,185 @@
+create function message_context(account_id bigint, guild_id bigint, channel_id bigint, thread_id bigint)
+    returns table (
+        allow_autoproxy bool,
+
+        system_id int,
+        system_tag text,
+        system_avatar text,
+
+        latch_timeout integer,
+        case_sensitive_proxy_tags bool,
+        proxy_error_message_enabled bool,
+        proxy_switch int,
+        name_format text,
+
+        tag_enabled bool,
+        proxy_enabled bool,
+        system_guild_tag text,
+        system_guild_avatar text,
+        guild_name_format text,
+
+        last_switch int,
+        last_switch_members int[],
+        last_switch_timestamp timestamp,
+
+        log_channel bigint,
+        in_blacklist bool,
+        in_log_blacklist bool,
+        log_cleanup_enabled bool,
+        require_system_tag bool,
+        suppress_notifications bool,
+
+        deny_bot_usage bool
+    )
+as $$
+    select
+        -- accounts table
+        accounts.allow_autoproxy                       as allow_autoproxy,
+
+        -- systems table
+        systems.id                                     as system_id,
+        systems.tag                                    as system_tag,
+        systems.avatar_url                             as system_avatar,
+
+        -- system_config table
+        system_config.latch_timeout                    as latch_timeout,
+        system_config.case_sensitive_proxy_tags        as case_sensitive_proxy_tags,
+        system_config.proxy_error_message_enabled      as proxy_error_message_enabled,
+        system_config.proxy_switch                     as proxy_switch,
+        system_config.name_format                      as name_format,
+
+        -- system_guild table
+        coalesce(system_guild.tag_enabled, true)       as tag_enabled,
+        coalesce(system_guild.proxy_enabled, true)     as proxy_enabled,
+        system_guild.tag                               as system_guild_tag,
+        system_guild.avatar_url                        as system_guild_avatar,
+        system_guild.name_format                       as guild_name_format,
+
+        -- system_last_switch view
+        system_last_switch.switch                      as last_switch,
+        system_last_switch.members                     as last_switch_members,
+        system_last_switch.timestamp                   as last_switch_timestamp,
+
+        -- servers table
+        servers.log_channel                             as log_channel,
+        ((channel_id = any (servers.blacklist))
+         or (thread_id = any (servers.blacklist)))      as in_blacklist,
+        ((channel_id = any (servers.log_blacklist))
+         or (thread_id = any (servers.log_blacklist)))  as in_log_blacklist,
+        coalesce(servers.log_cleanup_enabled, false)    as log_cleanup_enabled,
+        coalesce(servers.require_system_tag, false)     as require_system_tag,
+        coalesce(servers.suppress_notifications, false) as suppress_notifications,
+
+        -- abuse_logs table
+        coalesce(abuse_logs.deny_bot_usage, false)      as deny_bot_usage
+
+    -- We need a "from" clause, so we just use some bogus data that's always present
+    -- This ensure we always have exactly one row going forward, so we can left join afterwards and still get data
+    from (select 1) as _placeholder
+        left join accounts on accounts.uid = account_id
+        left join servers on servers.id = guild_id
+        left join systems on systems.id = accounts.system
+        left join system_config on system_config.system = accounts.system
+        left join system_guild on system_guild.system = accounts.system
+            and system_guild.guild = guild_id
+        left join system_last_switch on system_last_switch.system = accounts.system
+        left join abuse_logs on abuse_logs.id = accounts.abuse_log
+$$ language sql stable rows 1;
+
+-- Fetches info about proxying related to a given account/guild
+-- Returns one row per member in system, should be used in conjuction with `message_context` too
+create function proxy_members(account_id bigint, guild_id bigint)
+    returns table (
+        id int,
+        proxy_tags proxy_tag[],
+        keep_proxy bool,
+        tts bool,
+        server_keep_proxy bool,
+
+        server_name text,
+        display_name text,
+        name text,
+
+        server_avatar text,
+        webhook_avatar text,
+        avatar text,
+
+        color char(6),
+
+        allow_autoproxy bool
+    )
+as $$
+    select
+        -- Basic data
+        members.id                   as id,
+        members.proxy_tags           as proxy_tags,
+        members.keep_proxy           as keep_proxy,
+        members.tts                  as tts,
+        member_guild.keep_proxy      as server_keep_proxy,
+
+        -- Name info
+        member_guild.display_name    as server_name,
+        members.display_name         as display_name,
+        members.name                 as name,
+
+        -- Avatar info
+        member_guild.avatar_url      as server_avatar,
+        members.webhook_avatar_url   as webhook_avatar,
+        members.avatar_url           as avatar,
+
+        members.color                as color,
+
+        members.allow_autoproxy      as allow_autoproxy
+    from accounts
+        inner join systems on systems.id = accounts.system
+        inner join members on members.system = systems.id
+        left join member_guild on member_guild.member = members.id and member_guild.guild = guild_id
+    where accounts.uid = account_id
+$$ language sql stable rows 10;
+
+create function has_private_members(system_hid int) returns bool as $$
+declare m int;
+begin
+    m := count(id) from members where system = system_hid and member_visibility = 2;
+    if m > 0 then return true;
+    else return false;
+    end if;
+end
+$$ language plpgsql;
+
+create function generate_hid() returns char(6) as $$
+    select string_agg(substr('abcefghjknoprstuvwxyz', ceil(random() * 21)::integer, 1), '') from generate_series(1, 6)
+$$ language sql volatile;
+
+
+create function find_free_system_hid() returns char(6) as $$
+declare new_hid char(6);
+begin
+    loop
+        new_hid := generate_hid();
+        if not exists (select 1 from systems where hid = new_hid) then return new_hid; end if;
+    end loop;
+end
+$$ language plpgsql volatile;
+
+
+create function find_free_member_hid() returns char(6) as $$
+declare new_hid char(6);
+begin
+    loop
+        new_hid := generate_hid();
+        if not exists (select 1 from members where hid = new_hid) then return new_hid; end if;
+    end loop;
+end
+$$ language plpgsql volatile;
+
+
+create function find_free_group_hid() returns char(6) as $$
+declare new_hid char(6);
+begin
+    loop
+        new_hid := generate_hid();
+        if not exists (select 1 from groups where hid = new_hid) then return new_hid; end if;
+    end loop;
+end
+$$ language plpgsql volatile;

crates/migrate/data/migrations/0.sql

@@ -0,0 +1,112 @@
+-- SCHEMA VERSION 0, 2019-12-26
+-- "initial version", considered a "starting point" for the migrations
+
+-- also the assumed database layout of someone either migrating from an older version of PK or starting a new instance,
+-- so everything here *should* be idempotent given a schema version older than this or nonexistent.
+
+-- Create proxy_tag compound type if it doesn't exist
+do $$ begin
+    create type proxy_tag as (
+        prefix text,
+        suffix text
+    );
+exception when duplicate_object then null;
+end $$;
+
+create table if not exists systems
+(
+    id          serial primary key,
+    hid         char(5) unique not null,
+    name        text,
+    description text,
+    tag         text,
+    avatar_url  text,
+    token       text,
+    created     timestamp      not null default (current_timestamp at time zone 'utc'),
+    ui_tz       text           not null default 'UTC'
+);
+
+create table if not exists system_guild
+(
+    system serial not null references systems (id) on delete cascade,
+    guild bigint not null,
+    
+    proxy_enabled bool not null default true,
+    
+    primary key (system, guild)
+);
+
+create table if not exists members
+(
+    id           serial primary key,
+    hid          char(5) unique not null,
+    system       serial         not null references systems (id) on delete cascade,
+    color        char(6),
+    avatar_url   text,
+    name         text           not null,
+    display_name text,
+    birthday     date,
+    pronouns     text,
+    description  text,
+    proxy_tags   proxy_tag[]    not null default array[]::proxy_tag[], -- Rationale on making this an array rather than a separate table - we never need to query them individually, only access them as part of a selected Member struct
+    keep_proxy   bool           not null default false, 
+    created      timestamp      not null default (current_timestamp at time zone 'utc')
+);
+
+create table if not exists member_guild
+(
+    member serial not null references members (id) on delete cascade,
+    guild bigint not null,
+    
+    display_name text default null,
+    
+    primary key (member, guild)
+);
+
+create table if not exists accounts
+(
+    uid    bigint primary key,
+    system serial not null references systems (id) on delete cascade
+);
+
+create table if not exists messages
+(
+    mid          bigint primary key,
+    channel      bigint not null,
+    member       serial not null references members (id) on delete cascade,
+    sender       bigint not null,
+    original_mid bigint
+);
+
+create table if not exists switches
+(
+    id        serial primary key,
+    system    serial    not null references systems (id) on delete cascade,
+    timestamp timestamp not null default (current_timestamp at time zone 'utc')
+);
+
+create table if not exists switch_members
+(
+    id     serial primary key,
+    switch serial not null references switches (id) on delete cascade,
+    member serial not null references members (id) on delete cascade
+);
+
+create table if not exists webhooks
+(
+    channel bigint primary key,
+    webhook bigint not null,
+    token   text   not null
+);
+
+create table if not exists servers
+(
+    id            bigint primary key,
+    log_channel   bigint,
+    log_blacklist bigint[] not null default array[]::bigint[],
+    blacklist     bigint[] not null default array[]::bigint[] 
+);
+
+create index if not exists idx_switches_system on switches using btree (system asc nulls last) include ("timestamp");
+create index if not exists idx_switch_members_switch on switch_members using btree (switch asc nulls last) include (member);
+create index if not exists idx_message_member on messages (member);

crates/migrate/data/migrations/1.sql

@@ -0,0 +1,15 @@
+-- SCHEMA VERSION 1: 2019-12-26
+-- First version introducing the migration system, therefore we add the info/version table
+
+create table info
+(
+    id int primary key not null default 1, -- enforced only equal to 1
+    
+    schema_version int,    
+    
+    constraint singleton check (id = 1) -- enforce singleton table/row
+);
+
+-- We do an insert here since we *just* added the table
+-- Future migrations should do an update at the end
+insert into info (schema_version) values (1);

crates/migrate/data/migrations/10.sql

@@ -0,0 +1,11 @@
+-- SCHEMA VERSION 10: 2020-10-09 --
+-- Member/group limit override per-system
+
+alter table systems add column member_limit_override smallint default null;
+alter table systems add column group_limit_override smallint default null;
+
+-- Lowering global limit to 1000 in this commit, so increase it for systems already above that
+update systems s set member_limit_override = 1500
+    where (select count(*) from members m where m.system = s.id) > 1000;
+
+update info set schema_version = 10;

crates/migrate/data/migrations/11.sql

@@ -0,0 +1,10 @@
+-- SCHEMA VERSION 11: 2020-10-23  --
+-- Create command message table --
+
+create table command_messages
+(
+	message_id bigint primary key not null,
+	author_id bigint not null
+);
+
+update info set schema_version = 11;

crates/migrate/data/migrations/12.sql

@@ -0,0 +1,10 @@
+-- SCHEMA VERSION 12: 2020-12-08 --
+-- Add disabling front/latch autoproxy per-member --
+-- Add disabling autoproxy per-account --
+-- Add configurable latch timeout --
+
+alter table members add column allow_autoproxy bool not null default true;
+alter table accounts add column allow_autoproxy bool not null default true;
+alter table systems add column latch_timeout int; -- in seconds
+
+update info set schema_version = 12;

crates/migrate/data/migrations/13.sql

@@ -0,0 +1,7 @@
+-- SCHEMA VERSION 13: 2021-03-28 --
+-- Add system and group colors --
+
+alter table systems add column color char(6);
+alter table groups add column color char(6);
+
+update info set schema_version = 13;

crates/migrate/data/migrations/14.sql

@@ -0,0 +1,15 @@
+-- SCHEMA VERSION 14: 2021-06-10 --
+-- Add shard status table --
+
+create table shards (
+    id int not null primary key,
+    
+    -- 0 = down, 1 = up
+    status smallint not null default 0,
+    
+    ping float,
+    last_heartbeat timestamptz,
+    last_connection timestamptz
+);
+
+update info set schema_version = 14;

crates/migrate/data/migrations/15.sql

@@ -0,0 +1,8 @@
+-- SCHEMA VERSION 15: 2021-08-01
+-- add banner (large) images to entities with "cards"
+
+alter table systems add column banner_image text;
+alter table members add column banner_image text;
+alter table groups add column banner_image text;
+
+update info set schema_version = 15;

crates/migrate/data/migrations/16.sql

@@ -0,0 +1,7 @@
+-- SCHEMA VERSION 16: 2021-08-02 --
+-- Add server-specific system tag --
+
+alter table system_guild add column tag text default null;
+alter table system_guild add column tag_enabled bool not null default true;
+
+update info set schema_version = 16;

crates/migrate/data/migrations/17.sql

@@ -0,0 +1,8 @@
+-- schema version 17: 2021-09-26 --
+-- add channel_id to command message table
+
+alter table command_messages add column channel_id bigint;
+update command_messages set channel_id = 0;
+alter table command_messages alter column channel_id set not null;
+
+update info set schema_version = 17;

crates/migrate/data/migrations/18.sql

@@ -0,0 +1,18 @@
+-- schema version 18: 2021-09-26 --
+-- Add UUIDs for APIs
+
+create extension if not exists pgcrypto;
+
+alter table systems add column uuid uuid default gen_random_uuid();
+create index systems_uuid_idx on systems(uuid);
+
+alter table members add column uuid uuid default gen_random_uuid();
+create index members_uuid_idx on members(uuid);
+
+alter table switches add column uuid uuid default gen_random_uuid();
+create index switches_uuid_idx on switches(uuid);
+
+alter table groups add column uuid uuid default gen_random_uuid();
+create index groups_uuid_idx on groups(uuid);
+
+update info set schema_version = 18; 

crates/migrate/data/migrations/19.sql

@@ -0,0 +1,10 @@
+-- schema version 19: 2021-10-15 --
+-- add stats to info table
+
+alter table info add column system_count int;
+alter table info add column member_count int;
+alter table info add column group_count int;
+alter table info add column switch_count int;
+alter table info add column message_count int;
+
+update info set schema_version = 19;

crates/migrate/data/migrations/2.sql

@@ -0,0 +1,13 @@
+-- We're doing a psuedo-enum here since Dapper is wonky with enums
+-- Still getting mapped to enums at the CLR level, though.
+-- https://github.com/StackExchange/Dapper/issues/332 (from 2015, still unsolved!)
+-- 1 = "public"
+-- 2 = "private"
+-- not doing a bool here since I want to open up for the possibliity of other privacy levels (eg. "mutuals only")
+alter table systems add column description_privacy integer check (description_privacy in (1, 2)) not null default 1;
+alter table systems add column member_list_privacy integer check (member_list_privacy in (1, 2)) not null default 1;
+alter table systems add column front_privacy integer check (front_privacy in (1, 2)) not null default 1;
+alter table systems add column front_history_privacy integer check (front_history_privacy in (1, 2)) not null default 1;
+alter table members add column member_privacy integer check (member_privacy in (1, 2)) not null default 1;
+
+update info set schema_version = 2;

crates/migrate/data/migrations/20.sql

@@ -0,0 +1,7 @@
+-- schema version 20: insert date
+-- add outgoing webhook to systems
+
+alter table systems add column webhook_url text;
+alter table systems add column webhook_token text;
+
+update info set schema_version = 20;

crates/migrate/data/migrations/21.sql

@@ -0,0 +1,29 @@
+-- schema version 21
+-- create `system_config` table
+
+create table system_config (
+    system int primary key references systems(id) on delete cascade,
+    ui_tz text not null default 'UTC',
+    pings_enabled bool not null default true,
+    latch_timeout int,
+    member_limit_override int,
+    group_limit_override int
+);
+
+insert into system_config select
+    id as system,
+    ui_tz,
+    pings_enabled,
+    latch_timeout,
+    member_limit_override,
+    group_limit_override
+from systems;
+
+alter table systems
+    drop column ui_tz,
+    drop column pings_enabled,
+    drop column latch_timeout,
+    drop column member_limit_override,
+    drop column group_limit_override;
+
+update info set schema_version = 21;

crates/migrate/data/migrations/22.sql

@@ -0,0 +1,7 @@
+-- schema version 22
+-- automatically set members/groups as private when creating
+
+alter table system_config add column member_default_private bool not null default false;
+alter table system_config add column group_default_private bool not null default false;
+
+update info set schema_version = 22;

crates/migrate/data/migrations/23.sql

@@ -0,0 +1,6 @@
+-- schema version 23
+-- show/hide private information when looked up by linked accounts
+
+alter table system_config add column show_private_info bool default true;
+
+update info set schema_version = 23;

crates/migrate/data/migrations/24.sql

@@ -0,0 +1,10 @@
+-- schema version 24
+-- don't drop message rows when system/member are deleted
+
+alter table messages alter column member drop not null;
+alter table messages drop constraint messages_member_fkey;
+alter table messages
+    add constraint messages_member_fkey
+    foreign key (member) references members(id) on delete set null;
+
+update info set schema_version = 24;

crates/migrate/data/migrations/25.sql

@@ -0,0 +1,7 @@
+-- schema version 25
+-- group name privacy
+
+alter table groups add column name_privacy integer check (name_privacy in (1, 2)) not null default 1;
+alter table groups add column metadata_privacy integer check (metadata_privacy in (1, 2)) not null default 1;
+
+update info set schema_version = 25;

crates/migrate/data/migrations/26.sql

@@ -0,0 +1,12 @@
+-- schema version 26
+-- cache Discord DM channels in the database
+
+alter table accounts alter column system drop not null;
+alter table accounts drop constraint accounts_system_fkey;
+alter table accounts
+    add constraint accounts_system_fkey
+    foreign key (system) references systems(id) on delete set null;
+
+alter table accounts add column dm_channel bigint;
+
+update info set schema_version = 26;

crates/migrate/data/migrations/27.sql

@@ -0,0 +1,36 @@
+-- schema version 27
+-- autoproxy locations
+
+-- mode pseudo-enum: (copied from 3.sql)
+-- 1 = autoproxy off
+-- 2 = front mode (first fronter)
+-- 3 = latch mode (last proxyer)
+-- 4 = member mode (specific member)
+
+create table autoproxy (
+    system int references systems(id) on delete cascade,
+    channel_id bigint,
+    guild_id bigint,
+    autoproxy_mode int check (autoproxy_mode in (1, 2, 3, 4)) not null default 1,
+    autoproxy_member int references members(id) on delete set null,
+    last_latch_timestamp timestamp,
+    check (
+        (channel_id  = 0 and guild_id  = 0)
+     or (channel_id != 0 and guild_id  = 0)
+     or (channel_id  = 0 and guild_id != 0)
+    ),
+    primary key (system, channel_id, guild_id)
+);
+
+insert into autoproxy select
+    system,
+    0 as channel_id,
+    guild as guild_id,
+    autoproxy_mode,
+    autoproxy_member
+from system_guild;
+
+alter table system_guild drop column autoproxy_mode;
+alter table system_guild drop column autoproxy_member;
+
+update info set schema_version = 27;

crates/migrate/data/migrations/28.sql

@@ -0,0 +1,7 @@
+-- schema version 28
+-- system pronouns
+
+alter table systems add column pronouns text;
+alter table systems add column pronoun_privacy integer check (pronoun_privacy in (1, 2)) not null default 1;
+
+update info set schema_version = 28;

crates/migrate/data/migrations/29.sql

@@ -0,0 +1,5 @@
+-- schema version 29
+
+alter table systems add column is_deleting bool default false;
+
+update info set schema_version = 29;

crates/migrate/data/migrations/3.sql

@@ -0,0 +1,15 @@
+-- Same sort of psuedo-enum due to Dapper limitations. See 2.sql.
+-- 1 = autoproxy off
+-- 2 = front mode (first fronter)
+-- 3 = latch mode (last proxyer)
+-- 4 = member mode (specific member)
+alter table system_guild add column autoproxy_mode int check (autoproxy_mode in (1, 2, 3, 4)) not null default 1;
+
+-- for member mode
+alter table system_guild add column autoproxy_member int references members (id) on delete set null;
+
+-- for latch mode
+-- not *really* nullable, null just means old (pre-schema-change) data.
+alter table messages add column guild bigint default null;
+
+update info set schema_version = 3;

crates/migrate/data/migrations/30.sql

@@ -0,0 +1,5 @@
+-- schema version 30
+
+alter table system_config add column description_templates text[] not null default array[]::text[];
+
+update info set schema_version = 30;

crates/migrate/data/migrations/31.sql

@@ -0,0 +1,5 @@
+-- schema version 31
+
+alter table system_config add column case_sensitive_proxy_tags boolean not null default true;
+
+update info set schema_version = 31;

crates/migrate/data/migrations/32.sql

@@ -0,0 +1,6 @@
+-- database version 32
+-- re-add last message timestamp to members
+
+alter table members add column last_message_timestamp timestamp;
+
+update info set schema_version = 32;

crates/migrate/data/migrations/33.sql

@@ -0,0 +1,6 @@
+-- database version 33
+-- add webhook_avatar_url to system members
+
+alter table members add column webhook_avatar_url text;
+
+update info set schema_version = 33;

crates/migrate/data/migrations/34.sql

@@ -0,0 +1,6 @@
+-- database version 34
+-- add proxy_error_message_enabled to system config
+
+alter table system_config add column proxy_error_message_enabled bool default true;
+
+update info set schema_version = 34;

crates/migrate/data/migrations/35.sql

@@ -0,0 +1,7 @@
+-- database version 35
+-- add guild avatar and guild name to system guild settings
+
+alter table system_guild add column avatar_url text;
+alter table system_guild add column display_name text;
+
+update info set schema_version = 35;

crates/migrate/data/migrations/36.sql

@@ -0,0 +1,7 @@
+-- database version 36
+-- add system avatar privacy and system name privacy
+
+alter table systems add column name_privacy integer not null default 1;
+alter table systems add column avatar_privacy integer not null default 1;
+
+update info set schema_version = 36;

crates/migrate/data/migrations/37.sql

@@ -0,0 +1,7 @@
+-- database version 37
+-- add proxy tag privacy
+
+alter table members add column proxy_privacy integer not null default 1;
+alter table members add constraint members_proxy_privacy_check check (proxy_privacy = ANY (ARRAY[1,2]));
+
+update info set schema_version = 37;

crates/migrate/data/migrations/38.sql

@@ -0,0 +1,6 @@
+-- database version 38
+-- add proxy tag privacy
+
+alter table members add column tts boolean not null default false;
+
+update info set schema_version = 38;

crates/migrate/data/migrations/39.sql

@@ -0,0 +1,7 @@
+-- database version 39
+-- add missing privacy constraints
+
+alter table systems add constraint systems_name_privacy_check check (name_privacy = ANY (ARRAY[1,2]));
+alter table systems add constraint systems_avatar_privacy_check check (avatar_privacy = ANY (ARRAY[1,2]));
+
+update info set schema_version = 39;

crates/migrate/data/migrations/4.sql

@@ -0,0 +1,3 @@
+-- SCHEMA VERSION 4: 2020-02-12
+alter table member_guild add column avatar_url text;
+update info set schema_version = 4;

crates/migrate/data/migrations/40.sql

@@ -0,0 +1,6 @@
+-- database version 40
+-- add per-server keepproxy toggle
+
+alter table member_guild add column keep_proxy bool default null;
+
+update info set schema_version = 40;

crates/migrate/data/migrations/41.sql

@@ -0,0 +1,10 @@
+-- database version 41
+-- fix statistics counts
+
+alter table info alter column system_count type bigint using system_count::bigint;
+alter table info alter column member_count type bigint using member_count::bigint;
+alter table info alter column group_count type bigint using group_count::bigint;
+alter table info alter column switch_count type bigint using switch_count::bigint;
+alter table info alter column message_count type bigint using message_count::bigint;
+
+update info set schema_version = 41;

crates/migrate/data/migrations/42.sql

@@ -0,0 +1,11 @@
+-- database version 42
+-- move to 6 character HIDs, add HID display config setting
+
+alter table systems alter column hid type char(6) using rpad(hid, 6, ' ');
+alter table members alter column hid type char(6) using rpad(hid, 6, ' ');
+alter table groups alter column hid type char(6) using rpad(hid, 6, ' ');
+
+alter table system_config add column hid_display_split bool default false;
+alter table system_config add column hid_display_caps bool default false;
+
+update info set schema_version = 42;

crates/migrate/data/migrations/43.sql

@@ -0,0 +1,6 @@
+-- database version 43
+-- add config setting for padding 5-character IDs in lists
+
+alter table system_config add column hid_list_padding int not null default 0;
+
+update info set schema_version = 43;

crates/migrate/data/migrations/44.sql

@@ -0,0 +1,23 @@
+-- database version 44
+-- add abuse handling measures
+
+create table abuse_logs (
+	id serial primary key,
+	uuid uuid default gen_random_uuid(),
+	description text,
+	deny_bot_usage bool not null default false,
+	created timestamp not null default (current_timestamp at time zone 'utc')
+);
+
+alter table accounts add column abuse_log integer default null references abuse_logs (id) on delete set null;
+create index abuse_logs_uuid_idx on abuse_logs (uuid);
+
+-- we now need to handle a row in "accounts" table being created with no
+-- system (rather than just system being set to null after insert)
+--
+-- set default null and drop the sequence (from the column being created
+-- as type SERIAL)
+alter table accounts alter column system set default null;
+drop sequence accounts_system_seq;
+
+update info set schema_version = 44;

crates/migrate/data/migrations/45.sql

@@ -0,0 +1,6 @@
+-- database version 45
+-- add new config setting "proxy_switch"
+
+alter table system_config add column proxy_switch bool default false;
+
+update info set schema_version = 45;

crates/migrate/data/migrations/46.sql

@@ -0,0 +1,12 @@
+-- database version 46
+-- adds banner privacy
+
+alter table members add column banner_privacy int not null default 1 check (banner_privacy = ANY (ARRAY[1,2]));
+alter table groups add column banner_privacy int not null default 1 check (banner_privacy = ANY (ARRAY[1,2]));
+alter table systems add column banner_privacy int not null default 1 check (banner_privacy = ANY (ARRAY[1,2]));
+
+update members set banner_privacy = 2 where description_privacy = 2;
+update groups set banner_privacy = 2 where description_privacy = 2;
+update systems set banner_privacy = 2 where description_privacy = 2;
+
+update info set schema_version = 46;

crates/migrate/data/migrations/47.sql

@@ -0,0 +1,6 @@
+-- database version 47
+-- add config setting for supplying a custom tag format in names
+
+alter table system_config add column name_format text;
+
+update info set schema_version = 47;

crates/migrate/data/migrations/48.sql

@@ -0,0 +1,9 @@
+-- database version 48
+--
+-- add guild settings for disabling "invalid command" responses &
+-- enforcing the presence of system tags
+
+alter table servers add column invalid_command_response_enabled bool not null default true;
+alter table servers add column require_system_tag bool not null default false;
+
+update info set schema_version = 48;

crates/migrate/data/migrations/49.sql

@@ -0,0 +1,6 @@
+-- database version 49
+-- add guild name format
+
+alter table system_guild add column name_format text;
+
+update info set schema_version = 49;

crates/migrate/data/migrations/5.sql

@@ -0,0 +1,3 @@
+-- SCHEMA VERSION 5: 2020-02-14
+alter table servers add column log_cleanup_enabled bool not null default false;
+update info set schema_version = 5;

crates/migrate/data/migrations/50.sql

@@ -0,0 +1,11 @@
+-- database version 50
+-- change proxy switch config to an enum
+
+alter table system_config 
+    alter column proxy_switch drop default,
+    alter column proxy_switch type int
+        using case when proxy_switch then 1 else 0 end,
+    alter column proxy_switch set default 0,
+    add constraint proxy_switch_check check (proxy_switch = ANY (ARRAY[0,1,2]));
+
+update info set schema_version = 50;

crates/migrate/data/migrations/51.sql

@@ -0,0 +1,7 @@
+-- database version 51
+--
+-- add guild setting for SUPPRESS_NOTIFICATIONS message flag on proxied messages
+
+alter table servers add column suppress_notifications bool not null default false;
+
+update info set schema_version = 51;

crates/migrate/data/migrations/52.sql

@@ -0,0 +1,21 @@
+-- database version 52
+-- messages db updates
+
+create index messages_by_original on messages(original_mid);
+create index messages_by_sender on messages(sender);
+
+-- remove old table from database version 11
+alter table command_messages rename to command_messages_old;
+
+create table command_messages (
+    mid bigint primary key,
+    channel bigint not null,
+    guild bigint not null,
+    sender bigint not null,
+    original_mid bigint not null
+);
+
+create index command_messages_by_original on command_messages(original_mid);
+create index command_messages_by_sender on command_messages(sender);
+
+update info set schema_version = 52;

crates/migrate/data/migrations/6.sql

@@ -0,0 +1,3 @@
+-- SCHEMA VERSION 6: 2020-03-21
+alter table systems add column pings_enabled bool not null default true;
+update info set schema_version = 6;

crates/migrate/data/migrations/7.sql

@@ -0,0 +1,35 @@
+-- SCHEMA VERSION 7: 2020-06-12
+-- (in-db message count row)
+
+-- Add message count row to members table, initialize it with the correct data
+alter table members add column message_count int not null default 0;
+
+update members set message_count = counts.count
+from (select member, count(*) as count from messages group by messages.member) as counts
+where counts.member = members.id;
+
+-- Create a trigger function to increment the message count on inserting to the messages table
+create function trg_msgcount_increment() returns trigger as $$
+begin
+    update members set message_count = message_count + 1 where id = NEW.member;
+    return NEW;
+end;
+$$ language plpgsql;
+
+create trigger increment_member_message_count before insert on messages for each row execute procedure trg_msgcount_increment();
+
+
+-- Create a trigger function to decrement the message count on deleting from the messages table
+create function trg_msgcount_decrement() returns trigger as $$
+begin
+    -- Don't decrement if count <= zero (shouldn't happen, but we don't want negative message counts)
+    update members set message_count = message_count - 1 where id = OLD.member and message_count > 0;
+    return OLD;
+end;
+$$ language plpgsql;
+
+create trigger decrement_member_message_count before delete on messages for each row execute procedure trg_msgcount_decrement();
+
+
+-- (update schema ver)
+update info set schema_version = 7;

crates/migrate/data/migrations/8.sql

@@ -0,0 +1,24 @@
+-- SCHEMA VERSION 8: 2020-05-13 --
+-- Create new columns --
+alter table members add column description_privacy integer check (description_privacy in (1, 2)) not null default 1;
+alter table members add column name_privacy integer check (name_privacy in (1, 2)) not null default 1;
+alter table members add column avatar_privacy integer check (avatar_privacy in (1, 2)) not null default 1;
+alter table members add column birthday_privacy integer check (birthday_privacy in (1, 2)) not null default 1;
+alter table members add column pronoun_privacy integer check (pronoun_privacy in (1, 2)) not null default 1;
+alter table members add column metadata_privacy integer check (metadata_privacy in (1, 2)) not null default 1;
+-- alter table members add column color_privacy integer check (color_privacy in (1, 2)) not null default 1;
+
+-- Transfer existing settings --
+update members set description_privacy = member_privacy;
+update members set name_privacy = member_privacy;
+update members set avatar_privacy = member_privacy;
+update members set birthday_privacy = member_privacy;
+update members set pronoun_privacy = member_privacy;
+update members set metadata_privacy = member_privacy;
+-- update members set color_privacy = member_privacy;
+
+-- Rename member_privacy to member_visibility --
+alter table members rename column member_privacy to member_visibility;
+
+-- Update Schema Info --
+update info set schema_version = 8;

crates/migrate/data/migrations/9.sql

@@ -0,0 +1,32 @@
+-- SCHEMA VERSION 9: 2020-08-25 --
+-- Adds support for member groups.
+
+create table groups (
+    id int primary key generated always as identity,
+    hid char(5) unique not null,
+    system int not null references systems(id) on delete cascade,
+    
+    name text not null,
+    display_name text,
+    description text,
+    icon text,
+    
+    -- Description columns follow the same pattern as usual: 1 = public, 2 = private
+    description_privacy integer check (description_privacy in (1, 2)) not null default 1,
+    icon_privacy integer check (icon_privacy in (1, 2)) not null default 1,
+    list_privacy integer check (list_privacy in (1, 2)) not null default 1,
+    visibility integer check (visibility in (1, 2)) not null default 1,
+
+    created timestamp with time zone not null default (current_timestamp at time zone 'utc')
+);
+
+create table group_members (
+    group_id int not null references groups(id) on delete cascade,
+    member_id int not null references members(id) on delete cascade,
+    primary key (group_id, member_id)
+);
+
+alter table systems add column group_list_privacy integer check (group_list_privacy in (1, 2)) not null default 1;
+update systems set group_list_privacy = member_list_privacy;
+
+update info set schema_version = 9;

crates/migrate/data/seed.sql

@@ -0,0 +1,8 @@
+-- example data (for integration tests or such)
+
+insert into systems (hid, token) values (
+	'exmpl',
+	'vlPitT0tEgT++a450w1/afODy5NXdALcHDwryX6dOIZdGUGbZg+5IH3nrUsQihsw'
+);
+insert into system_config (system) values (1);
+insert into system_guild (system, guild) values (1, 466707357099884544);

crates/migrate/data/views.sql

@@ -0,0 +1,75 @@
+-- Returns one row per system, containing info about latest switch + array of member IDs (for future joins)
+create view system_last_switch as
+select systems.id     as system,
+       last_switch.id as switch,
+       last_switch.timestamp as timestamp,
+       array(select member from switch_members where switch_members.switch = last_switch.id order by switch_members.id) as members
+from systems
+    inner join lateral (select * from switches where switches.system = systems.id order by timestamp desc limit 1) as last_switch on true;
+
+create view member_list as
+select members.*,
+       -- Find last switch timestamp
+       (
+           select max(switches.timestamp)
+           from switch_members
+                    inner join switches on switches.id = switch_members.switch
+           where switch_members.member = members.id
+       ) as last_switch_time,
+
+       -- Extract month/day from birthday and "force" the year identical (just using 4) -> month/day only sorting! 
+        case when members.birthday is not null then
+            make_date(
+                4,
+                extract(month from members.birthday)::integer,
+                extract(day from members.birthday)::integer
+            ) end as birthday_md,
+
+        -- Extract member description as seen by "the public"
+        case
+           -- Privacy '1' = public; just return description as normal
+           when members.description_privacy = 1 then members.description
+           -- Any other privacy (rn just '2'), return null description (missing case = null in SQL)
+        end as public_description,
+        
+        -- Extract member name as seen by "the public"
+        case
+            -- Privacy '1' = public; just return name as normal
+            when members.name_privacy = 1 then members.name
+            -- Any other privacy (rn just '2'), return display name
+            else coalesce(members.display_name, members.name)
+        end as public_name
+from members;
+
+create view group_list as
+select groups.*,
+    -- Find public group member count
+    (
+        select count(*) from group_members
+            inner join members on group_members.member_id = members.id
+        where
+            group_members.group_id = groups.id and members.member_visibility = 1
+    ) as public_member_count,
+    -- Find private group member count
+    (
+        select count(*) from group_members
+            inner join members on group_members.member_id = members.id
+        where
+            group_members.group_id = groups.id
+    ) as total_member_count,
+
+    -- Extract group description as seen by "the public"
+    case
+        -- Privacy '1' = public; just return description as normal
+        when groups.description_privacy = 1 then groups.description
+        -- Any other privacy (rn just '2'), return null description (missing case = null in SQL)
+    end as public_description,
+    
+    -- Extract member name as seen by "the public"
+    case
+        -- Privacy '1' = public; just return name as normal
+        when groups.name_privacy = 1 then groups.name
+        -- Any other privacy (rn just '2'), return display name
+        else coalesce(groups.display_name, groups.name)
+    end as public_name
+from groups;