akkoma/lib/pleroma/web/activity_pub/activity_pub.ex

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defmodule Pleroma.Web.ActivityPub.ActivityPub do
alias Pleroma.Repo
alias Pleroma.Activity
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import Ecto.Query
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def insert(map) when is_map(map) do
Repo.insert(%Activity{data: map})
end
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def fetch_public_activities(opts \\ %{}) do
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public = ["https://www.w3.org/ns/activitystreams#Public"]
fetch_activities(public, opts)
end
def fetch_activities(recipients, opts \\ %{}) do
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since_id = opts["since_id"] || 0
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query = from activity in Activity,
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limit: 20,
order_by: [desc: :inserted_at]
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query = Enum.reduce(recipients, query, fn (recipient, q) ->
map = %{ to: [recipient] }
from activity in q,
or_where: fragment(~s(? @> ?), activity.data, ^map)
end)
query = from activity in query,
where: activity.id > ^since_id
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Repo.all(query)
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|> Enum.reverse
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end
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end