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feat: impl basic peer chat

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oxalica 2024-09-10 12:15:22 -04:00
parent 9e96927693
commit 1e944ead31
7 changed files with 361 additions and 64 deletions
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16
blahd/schema.sql
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@ -7,12 +7,26 @@ CREATE TABLE IF NOT EXISTS `user` (
`permission` INTEGER NOT NULL DEFAULT 0
) STRICT;
-- The highest bit of `rid` will be set for peer chat room.
-- So simply comparing it against 0 can filter them out.
CREATE TABLE IF NOT EXISTS `room` (
`rid` INTEGER NOT NULL PRIMARY KEY,
`title` TEXT NOT NULL,
-- RoomAttrs::PEER_CHAT
`attrs` INTEGER NOT NULL
CHECK ((`attrs` & 0x10000 == 0x10000) == `rid` < 0),
`title` TEXT
CHECK ((`title` ISNULL) == `rid` < 0),
`peer1` INTEGER REFERENCES `user` ON DELETE RESTRICT
CHECK ((`peer1` NOTNULL) == `rid` < 0),
`peer2` INTEGER REFERENCES `user` ON DELETE RESTRICT
CHECK ((`peer2` NOTNULL AND `peer1` <= `peer2`) IS `rid` < 0)
) STRICT;
CREATE UNIQUE INDEX IF NOT EXISTS `ix_peer_chat` ON `room`
(`peer1`, `peer2`)
WHERE `rid` < 0;
CREATE TABLE IF NOT EXISTS `room_member` (
`rid` INTEGER NOT NULL REFERENCES `room` ON DELETE CASCADE,
`uid` INTEGER NOT NULL REFERENCES `user` ON DELETE RESTRICT,