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announcement.ex
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Announcement do
use Ecto.Schema
import Ecto.Changeset, only: [cast: 3, validate_required: 2]
import Ecto.Query
alias Pleroma.AnnouncementReadRelationship
alias Pleroma.Repo
@type t :: %__MODULE__{}
@primary_key {:id, FlakeId.Ecto.CompatType, autogenerate: true}
schema "announcements" do
field(:data, :map)
field(:starts_at, :utc_datetime)
field(:ends_at, :utc_datetime)
field(:rendered, :map)
timestamps(type: :utc_datetime)
end
def change(struct, params \\ %{}) do
struct
|> cast(validate_params(struct, params), [:data, :starts_at, :ends_at, :rendered])
|> validate_required([:data])
end
defp validate_params(struct, params) do
base_data =
%{
"content" => "",
"all_day" => false
}
|> Map.merge((struct && struct.data) || %{})
merged_data =
Map.merge(base_data, params.data)
|> Map.take(["content", "all_day"])
params
|> Map.merge(%{data: merged_data})
|> add_rendered_properties()
end
def add_rendered_properties(params) do
{content_html, _, _} =
Pleroma.Web.CommonAPI.Utils.format_input(params.data["content"], "text/plain",
mentions_format: :full
)
rendered = %{
"content" => content_html
}
params
|> Map.put(:rendered, rendered)
end
def add(params) do
changeset = change(%__MODULE__{}, params)
Repo.insert(changeset)
end
def update(announcement, params) do
changeset = change(announcement, params)
Repo.update(changeset)
end
def list_all do
__MODULE__
|> Repo.all()
end
def list_paginated(%{limit: limited_number, offset: offset_number}) do
__MODULE__
|> limit(^limited_number)
|> offset(^offset_number)
|> Repo.all()
end
def get_by_id(id) do
Repo.get_by(__MODULE__, id: id)
end
def delete_by_id(id) do
with announcement when not is_nil(announcement) <- get_by_id(id),
{:ok, _} <- Repo.delete(announcement) do
:ok
else
_ ->
:error
end
end
def read_by?(announcement, user) do
AnnouncementReadRelationship.exists?(user, announcement)
end
def mark_read_by(announcement, user) do
AnnouncementReadRelationship.mark_read(user, announcement)
end
def render_json(announcement, opts \\ []) do
extra_params =
case Keyword.fetch(opts, :for) do
{:ok, user} when not is_nil(user) ->
%{read: read_by?(announcement, user)}
_ ->
%{}
end
admin_extra_params =
case Keyword.fetch(opts, :admin) do
{:ok, true} ->
%{pleroma: %{raw_content: announcement.data["content"]}}
_ ->
%{}
end
base = %{
id: announcement.id,
content: announcement.rendered["content"],
starts_at: announcement.starts_at,
ends_at: announcement.ends_at,
all_day: announcement.data["all_day"],
published_at: announcement.inserted_at,
updated_at: announcement.updated_at,
mentions: [],
statuses: [],
tags: [],
emojis: [],
reactions: []
}
base
|> Map.merge(extra_params)
|> Map.merge(admin_extra_params)
end
# "visible" means:
# starts_at < time < ends_at
def list_all_visible_when(time) do
__MODULE__
|> where([a], is_nil(a.starts_at) or a.starts_at < ^time)
|> where([a], is_nil(a.ends_at) or a.ends_at > ^time)
|> Repo.all()
end
def list_all_visible do
list_all_visible_when(DateTime.now("Etc/UTC") |> elem(1))
end
end

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