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ircd:Ⓜ️ Add membership prefetch suite.

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This commit is contained in:
Jason Volk 2022-08-19 16:06:21 -07:00
parent 9abc78a121
commit df6d463623
1 changed files with 26 additions and 0 deletions
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26
include/ircd/m/membership.h
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@ -41,12 +41,38 @@ namespace ircd::m
bool membership(const event::idx &, const vector_view<const string_view> &);
bool membership(const room &, const id::user &, const vector_view<const string_view> &);
// Prefetch suite
bool membership_prefetch(const event::idx &);
bool membership_prefetch(const room::state &, const id::user &);
// Convenience definitions of membership states for atomic queries.
extern const std::initializer_list<const string_view>
membership_positive, // join, invite
membership_negative; // leave, ban, knock, [non-membership]
}
inline bool
ircd::m::membership_prefetch(const room::state &state,
const user::id &user_id)
{
if(state.prefetch("m.room.member", user_id))
return true;
// The above prefetch didn't launch; this query is cached.
const auto event_idx
{
state.get(std::nothrow, "m.room.member", user_id)
};
return membership_prefetch(event_idx);
}
inline bool
ircd::m::membership_prefetch(const event::idx &event_idx)
{
return m::prefetch(event_idx, "content");
}
inline bool
ircd::m::membership(const room &room,
const id::user &user_id,