* PERF: Dematerialize topic_reply_count
It's only ever used for trust level promotions that run daily, or compared to 0. We don't need to track it on every post creation.
* UX: Add symbol in TL3 report if topic reply count is capped
* DEV: Drop user_stats.topic_reply_count column
Within 24 hours of signing up, new users were losing their
default trust level of 3. With this fix, demotions from
trust level 3 won't happen when the "default trust level"
setting is 3 or 4.
It wasn't intended that people should be able to earn trust level
3 without participating in public topics. When counting topic
views and likes given/received, don't count private topics.
Restore tl3 reachability by calculating penalty counts vs unsuspend/unsilence.
Only count unsuspend or unsilences that have been made by a user other than
the Discourse system user.
Previously, users who had any penalties (were silenced or suspended)
were not allowed to promote to Trust Level 3.
There is also a more subtle change here: if users were silenced or
suspended and then the operation was reverted (user was un-silenced
or un-suspended), then it would have been like the user was never
penalized in the first place. This is no longer the case. To forgive a
user earlier, administrators can use "Clear Penalty History" feature.
Lastly, Jobs::UnsilenceUsers will automatically unsilence any users who
should no longer be silenced (silenced_till < now()). This made it so
silence_count - unsilence_count == 0 for any user who is not silenced,
which defeated the purpose of this TL3 requirement.
This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.
Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
Introduce new patterns for direct sql that are safe and fast.
MiniSql is not prone to memory bloat that can happen with direct PG usage.
It also has an extremely fast materializer and very a convenient API
- DB.exec(sql, *params) => runs sql returns row count
- DB.query(sql, *params) => runs sql returns usable objects (not a hash)
- DB.query_hash(sql, *params) => runs sql returns an array of hashes
- DB.query_single(sql, *params) => runs sql and returns a flat one dimensional array
- DB.build(sql) => returns a sql builder
See more at: https://github.com/discourse/mini_sql
Changed internals so trust levels are referred to with
TrustLevel[1], TrustLevel[2] etc.
This gives us much better flexibility naming trust levels, these names
are meant to be controlled by various communities.
