akkoma/lib/pleroma/stats.ex

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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Stats do
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use GenServer
import Ecto.Query
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alias Pleroma.Object
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alias Pleroma.Repo
alias Pleroma.User
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require Pleroma.Constants
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@interval 1000 * 60 * 60
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def start_link(_) do
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GenServer.start_link(__MODULE__, initial_data(), name: __MODULE__)
end
def force_update do
GenServer.call(__MODULE__, :force_update)
end
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def get_stats do
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%{stats: stats} = GenServer.call(__MODULE__, :get_state)
stats
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end
def get_peers do
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%{peers: peers} = GenServer.call(__MODULE__, :get_state)
peers
end
def init(args) do
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Process.send(self(), :run_update, [])
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{:ok, args}
end
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def handle_call(:force_update, _from, _state) do
new_stats = get_stat_data()
{:reply, new_stats, new_stats}
end
def handle_call(:get_state, _from, state) do
{:reply, state, state}
end
def handle_info(:run_update, _state) do
new_stats = get_stat_data()
Process.send_after(self(), :run_update, @interval)
{:noreply, new_stats}
end
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defp initial_data do
%{peers: [], stats: %{}}
end
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def get_stat_data do
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peers =
from(
u in User,
select: fragment("distinct split_part(?, '@', 2)", u.nickname),
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where: u.local != ^true
)
|> Repo.all()
|> Enum.filter(& &1)
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domain_count = Enum.count(peers)
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user_count = Repo.aggregate(User.Query.build(%{local: true, active: true}), :count, :id)
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%{
peers: peers,
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stats: %{domain_count: domain_count, status_count: status_count(), user_count: user_count}
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}
end
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defp status_count do
%{
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all: all_statuses_query() |> Repo.aggregate(:count, :id),
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public: public_statuses_query() |> Repo.aggregate(:count, :id),
unlisted: unlisted_statuses_query() |> Repo.aggregate(:count, :id),
direct: direct_statuses_query() |> Repo.aggregate(:count, :id),
private: private_statuses_query() |> Repo.aggregate(:count, :id)
}
end
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defp all_statuses_query do
from(o in Object, where: fragment("(?)->>'type' = 'Note'", o.data))
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end
def public_statuses_query do
from(o in Object,
where: fragment("(?)->'to' \\? ?", o.data, ^Pleroma.Constants.as_public())
)
end
def unlisted_statuses_query do
from(o in Object,
where: not fragment("(?)->'to' \\? ?", o.data, ^Pleroma.Constants.as_public()),
where: fragment("(?)->'cc' \\? ?", o.data, ^Pleroma.Constants.as_public())
)
end
def direct_statuses_query do
private_statuses_ids = from(p in private_statuses_query(), select: p.id) |> Repo.all()
from(o in Object,
where:
fragment(
"? \\? 'directMessage' AND (?->>'directMessage')::boolean = true",
o.data,
o.data
) or
(not fragment("(?)->'to' \\? ?", o.data, ^Pleroma.Constants.as_public()) and
not fragment("(?)->'cc' \\? ?", o.data, ^Pleroma.Constants.as_public()) and
o.id not in ^private_statuses_ids)
)
end
def private_statuses_query do
from(o in subquery(recipients_query()),
where: ilike(o.recipients, "%/followers%")
)
end
defp recipients_query do
from(o in Object,
select: %{
id: o.id,
recipients: fragment("jsonb_array_elements_text((?)->'to')", o.data)
},
where: not fragment("(?)->'to' \\? ?", o.data, ^Pleroma.Constants.as_public()),
where: not fragment("(?)->'cc' \\? ?", o.data, ^Pleroma.Constants.as_public())
)
end
end