1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.ScheduledActivity do
use Ecto.Schema
alias Pleroma.Config
alias Pleroma.Repo
alias Pleroma.ScheduledActivity
alias Pleroma.User
alias Pleroma.Web.CommonAPI.Utils
import Ecto.Query
import Ecto.Changeset
@min_offset :timer.minutes(5)
schema "scheduled_activities" do
belongs_to(:user, User, type: Pleroma.FlakeId)
field(:scheduled_at, :naive_datetime)
field(:params, :map)
timestamps()
end
def changeset(%ScheduledActivity{} = scheduled_activity, attrs) do
scheduled_activity
|> cast(attrs, [:scheduled_at, :params])
|> validate_required([:scheduled_at, :params])
|> validate_scheduled_at()
|> with_media_attachments()
end
defp with_media_attachments(
%{changes: %{params: %{"media_ids" => media_ids} = params}} = changeset
)
when is_list(media_ids) do
media_attachments = Utils.attachments_from_ids(%{"media_ids" => media_ids})
params =
params
|> Map.put("media_attachments", media_attachments)
|> Map.put("media_ids", media_ids)
put_change(changeset, :params, params)
end
defp with_media_attachments(changeset), do: changeset
def update_changeset(%ScheduledActivity{} = scheduled_activity, attrs) do
scheduled_activity
|> cast(attrs, [:scheduled_at])
|> validate_required([:scheduled_at])
|> validate_scheduled_at()
end
def validate_scheduled_at(changeset) do
validate_change(changeset, :scheduled_at, fn _, scheduled_at ->
cond do
not far_enough?(scheduled_at) ->
[scheduled_at: "must be at least 5 minutes from now"]
exceeds_daily_user_limit?(changeset.data.user_id, scheduled_at) ->
[scheduled_at: "daily limit exceeded"]
exceeds_total_user_limit?(changeset.data.user_id) ->
[scheduled_at: "total limit exceeded"]
true ->
[]
end
end)
end
def exceeds_daily_user_limit?(user_id, scheduled_at) do
ScheduledActivity
|> where(user_id: ^user_id)
|> where([sa], type(sa.scheduled_at, :date) == type(^scheduled_at, :date))
|> select([sa], count(sa.id))
|> Repo.one()
|> Kernel.>=(Config.get([ScheduledActivity, :daily_user_limit]))
end
def exceeds_total_user_limit?(user_id) do
ScheduledActivity
|> where(user_id: ^user_id)
|> select([sa], count(sa.id))
|> Repo.one()
|> Kernel.>=(Config.get([ScheduledActivity, :total_user_limit]))
end
def far_enough?(scheduled_at) when is_binary(scheduled_at) do
with {:ok, scheduled_at} <- Ecto.Type.cast(:naive_datetime, scheduled_at) do
far_enough?(scheduled_at)
else
_ -> false
end
end
def far_enough?(scheduled_at) do
now = NaiveDateTime.utc_now()
diff = NaiveDateTime.diff(scheduled_at, now, :millisecond)
diff > @min_offset
end
def new(%User{} = user, attrs) do
%ScheduledActivity{user_id: user.id}
|> changeset(attrs)
end
def create(%User{} = user, attrs) do
user
|> new(attrs)
|> Repo.insert()
end
def get(%User{} = user, scheduled_activity_id) do
ScheduledActivity
|> where(user_id: ^user.id)
|> where(id: ^scheduled_activity_id)
|> Repo.one()
end
def update(%ScheduledActivity{} = scheduled_activity, attrs) do
scheduled_activity
|> update_changeset(attrs)
|> Repo.update()
end
def delete(%ScheduledActivity{} = scheduled_activity) do
scheduled_activity
|> Repo.delete()
end
def delete(id) when is_binary(id) or is_integer(id) do
ScheduledActivity
|> where(id: ^id)
|> select([sa], sa)
|> Repo.delete_all()
|> case do
{1, [scheduled_activity]} -> {:ok, scheduled_activity}
_ -> :error
end
end
def for_user_query(%User{} = user) do
ScheduledActivity
|> where(user_id: ^user.id)
end
def due_activities(offset \\ 0) do
naive_datetime =
NaiveDateTime.utc_now()
|> NaiveDateTime.add(offset, :millisecond)
ScheduledActivity
|> where([sa], sa.scheduled_at < ^naive_datetime)
|> Repo.all()
end
end
|
