PluralKit/scheduled_tasks/tasks.go

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package main
import (
"context"
"fmt"
"log"
"runtime/debug"
"strings"
)
func task_main() {
defer func() {
if err := recover(); err != nil {
stack := strings.Split(string(debug.Stack()), "\n")
stack = stack[7:]
log.Println("error running tasks:", err.(error).Error())
fmt.Println(strings.Join(stack, "\n"))
}
}()
log.Println("running per-minute scheduled tasks")
update_db_meta()
update_stats()
}
var table_stat_keys = []string{"system", "member", "group", "switch", "message"}
func plural(key string) string {
if key[len(key)-1] == 'h' {
return key + "es"
}
return key + "s"
}
func update_db_meta() {
log.Println("updating database stats")
for _, key := range table_stat_keys {
if key == "message" {
// updating message count from data db takes way too long, so we do it on a separate timer (every 10 minutes)
continue
}
q := fmt.Sprintf("update info set %s_count = (select count(*) from %s)", key, plural(key))
log.Println("data db query:", q)
run_simple_pg_query(data_db, q)
}
}
func update_db_message_meta() {
// since we're doing this concurrently, it needs a separate db connection
tmp_db := pg_connect(get_env_var("DATA_DB_URI"))
defer tmp_db.Close(context.Background())
key := "message"
q := fmt.Sprintf("update info set %s_count = (select count(*) from %s)", key, plural(key))
log.Println("data db query:", q)
run_simple_pg_query(tmp_db, q)
}
func update_stats() {
redisStats := run_redis_query()
guild_count := 0
channel_count := 0
for _, v := range redisStats {
log.Println(v.GuildCount, v.ChannelCount)
guild_count += v.GuildCount
channel_count += v.ChannelCount
}
do_stats_insert("guilds", guild_count)
do_stats_insert("channels", channel_count)
data_stats := run_data_stats_query()
for _, key := range table_stat_keys {
val := data_stats[key+"_count"].(int32)
do_stats_insert(plural(key), int(val))
}
}