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mobilizon.chapril.org-mobil.../lib/mobilizon/events/events.ex
Thomas Citharel 641129dc74
Federate participations 
Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2019-08-20 10:17:28 +02:00

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Elixir
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defmodule Mobilizon.Events do
@moduledoc """
The Events context.
"""
import Ecto.Query, warn: false
import Mobilizon.Ecto
alias Mobilizon.Repo
alias Mobilizon.Events.{Event, Comment, Participant}
alias Mobilizon.Actors.Actor
alias Mobilizon.Users.User
alias Mobilizon.Addresses.Address
def data() do
Dataloader.Ecto.new(Mobilizon.Repo, query: &query/2)
end
def query(queryable, _params) do
queryable
end
def get_public_events_for_actor(%Actor{id: actor_id} = _actor, page \\ nil, limit \\ nil) do
query =
from(
e in Event,
where: e.organizer_actor_id == ^actor_id and e.visibility in [^:public, ^:unlisted],
order_by: [desc: :id],
preload: [
:organizer_actor,
:sessions,
:tracks,
:tags,
:participants,
:physical_address,
:picture
]
)
|> paginate(page, limit)
events = Repo.all(query)
count_events =
Repo.one(from(e in Event, select: count(e.id), where: e.organizer_actor_id == ^actor_id))
{:ok, events, count_events}
end
@doc """
Get an actor's eventual upcoming public event
"""
@spec get_actor_upcoming_public_event(Actor.t(), String.t()) :: Event.t() | nil
def get_actor_upcoming_public_event(%Actor{id: actor_id} = _actor, not_event_uuid \\ nil) do
query =
from(
e in Event,
where:
e.organizer_actor_id == ^actor_id and e.visibility in [^:public, ^:unlisted] and
e.begins_on > ^DateTime.utc_now(),
order_by: [asc: :begins_on],
limit: 1,
preload: [
:organizer_actor,
:tags,
:participants,
:physical_address
]
)
query =
if is_nil(not_event_uuid),
do: query,
else: from(q in query, where: q.uuid != ^not_event_uuid)
Repo.one(query)
end
def count_local_events do
Repo.one(
from(
e in Event,
select: count(e.id),
where: e.local == ^true and e.visibility in [^:public, ^:unlisted]
)
)
end
def count_local_comments do
Repo.one(
from(
c in Comment,
select: count(c.id),
where: c.local == ^true and c.visibility in [^:public, ^:unlisted]
)
)
end
import Geo.PostGIS
@doc """
Find close events to coordinates
Radius is in meters and defaults to 50km.
"""
@spec find_close_events(number(), number(), number(), number()) :: list(Event.t())
def find_close_events(lon, lat, radius \\ 50_000, srid \\ 4326) do
with {:ok, point} <- Geo.WKT.decode("SRID=#{srid};POINT(#{lon} #{lat})") do
Repo.all(
from(
e in Event,
join: a in Address,
on: a.id == e.physical_address_id,
where: e.visibility == ^:public and st_dwithin_in_meters(^point, a.geom, ^radius),
preload: :organizer_actor
)
)
end
end
@doc """
Gets a single event.
Raises `Ecto.NoResultsError` if the Event does not exist.
## Examples
iex> get_event!(123)
%Event{}
iex> get_event!(456)
** (Ecto.NoResultsError)
"""
def get_event!(id), do: Repo.get!(Event, id)
@doc """
Gets a single event.
"""
def get_event(id) do
case Repo.get(Event, id) do
nil -> {:error, :event_not_found}
event -> {:ok, event}
end
end
@doc """
Gets an event by it's URL
"""
def get_event_by_url(url) do
Repo.get_by(Event, url: url)
end
@doc """
Gets an event by it's URL
"""
def get_event_by_url!(url) do
Repo.get_by!(Event, url: url)
end
# @doc """
# Gets an event by it's UUID
# """
# @depreciated "Use get_event_full_by_uuid/3 instead"
# def get_event_by_uuid(uuid) do
# Repo.get_by(Event, uuid: uuid)
# end
@doc """
Gets a full event by it's UUID
"""
@spec get_event_full_by_uuid(String.t()) :: Event.t()
def get_event_full_by_uuid(uuid) do
from(
e in Event,
where: e.uuid == ^uuid and e.visibility in [^:public, ^:unlisted],
preload: [
:organizer_actor,
:sessions,
:tracks,
:tags,
:participants,
:physical_address,
:picture
]
)
|> Repo.one()
end
def get_cached_event_full_by_uuid(uuid) do
Cachex.fetch(:activity_pub, "event_" <> uuid, fn "event_" <> uuid ->
case get_event_full_by_uuid(uuid) do
%Event{} = event ->
{:commit, event}
_ ->
{:ignore, nil}
end
end)
end
@doc """
Gets a single event, with all associations loaded.
"""
def get_event_full!(id) do
event = Repo.get!(Event, id)
Repo.preload(event, [
:organizer_actor,
:sessions,
:tracks,
:tags,
:participants,
:physical_address
])
end
@doc """
Gets a single event, with all associations loaded.
"""
def get_event_full(id) do
case Repo.get(Event, id) do
%Event{} = event ->
{:ok,
Repo.preload(event, [
:organizer_actor,
:sessions,
:tracks,
:tags,
:participants,
:physical_address
])}
err ->
{:error, err}
end
end
@doc """
Gets an event by it's URL
"""
def get_event_full_by_url(url) do
case Repo.one(
from(e in Event,
where: e.url == ^url and e.visibility in [^:public, ^:unlisted],
preload: [
:organizer_actor,
:sessions,
:tracks,
:tags,
:participants,
:physical_address
]
)
) do
nil -> {:error, :event_not_found}
event -> {:ok, event}
end
end
@doc """
Gets an event by it's URL
"""
def get_event_full_by_url!(url) do
Repo.one(
from(e in Event,
where: e.url == ^url and e.visibility in [^:public, ^:unlisted],
preload: [
:organizer_actor,
:sessions,
:tracks,
:tags,
:participants,
:physical_address,
:picture
]
)
)
end
@doc """
Returns the list of events.
## Examples
iex> list_events()
[%Event{}, ...]
"""
@spec list_events(integer(), integer(), atom(), atom()) :: list(Event.t())
def list_events(
page \\ nil,
limit \\ nil,
sort \\ :begins_on,
direction \\ :asc,
unlisted \\ false,
future \\ true
) do
query =
from(
e in Event,
preload: [:organizer_actor, :participants]
)
|> paginate(page, limit)
|> sort(sort, direction)
|> restrict_future_events(future)
|> allow_unlisted(unlisted)
Repo.all(query)
end
# Make sure we only show future events
@spec restrict_future_events(Ecto.Query.t(), boolean()) :: Ecto.Query.t()
defp restrict_future_events(query, true),
do: from(q in query, where: q.begins_on > ^DateTime.utc_now())
defp restrict_future_events(query, false), do: query
# Make sure unlisted events don't show up where they're not allowed
@spec allow_unlisted(Ecto.Query.t(), boolean()) :: Ecto.Query.t()
defp allow_unlisted(query, true),
do: from(q in query, where: q.visibility in [^:public, ^:unlisted])
defp allow_unlisted(query, false), do: from(q in query, where: q.visibility == ^:public)
@doc """
Find events by name
"""
def find_and_count_events_by_name(name, page \\ nil, limit \\ nil)
def find_and_count_events_by_name(name, page, limit) do
name = String.trim(name)
query =
from(e in Event,
where:
e.visibility == ^:public and
fragment(
"f_unaccent(?) %> f_unaccent(?)",
e.title,
^name
),
order_by:
fragment(
"word_similarity(?, ?) desc",
e.title,
^name
),
preload: [:organizer_actor]
)
|> paginate(page, limit)
total = Task.async(fn -> Repo.aggregate(query, :count, :id) end)
elements = Task.async(fn -> Repo.all(query) end)
%{total: Task.await(total), elements: Task.await(elements)}
end
@doc """
Find events with the same tags
"""
@spec find_similar_events_by_common_tags(list(), integer()) :: {:ok, list(Event.t())}
def find_similar_events_by_common_tags(tags, limit \\ 2) do
tags_ids = Enum.map(tags, & &1.id)
query =
from(e in Event,
distinct: e.uuid,
join: te in "events_tags",
on: e.id == te.event_id,
where: e.begins_on > ^DateTime.utc_now(),
where: e.visibility in [^:public, ^:unlisted],
where: te.tag_id in ^tags_ids,
order_by: [asc: e.begins_on],
limit: ^limit
)
Repo.all(query)
end
@doc """
Creates a event.
## Examples
iex> create_event(%{field: value})
{:ok, %Event{}}
iex> create_event(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_event(attrs \\ %{}) do
with %Event{} = event <- do_create_event(attrs),
{:ok, %Participant{} = _participant} <-
%Participant{}
|> Participant.changeset(%{
actor_id: event.organizer_actor_id,
role: :creator,
event_id: event.id
})
|> Repo.insert() do
{:ok, event}
end
end
defp do_create_event(attrs) do
with {:ok, %Event{} = event} <- %Event{} |> Event.changeset(attrs) |> Repo.insert(),
%Event{} = event <-
event |> Repo.preload([:tags, :organizer_actor, :physical_address, :picture]),
{:has_tags, true, _} <- {:has_tags, Map.has_key?(attrs, "tags"), event} do
event
|> Ecto.Changeset.change()
|> Ecto.Changeset.put_assoc(:tags, attrs["tags"])
|> Repo.update()
else
{:has_tags, false, event} ->
event
error ->
error
end
end
@doc """
Updates a event.
## Examples
iex> update_event(event, %{field: new_value})
{:ok, %Event{}}
iex> update_event(event, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_event(%Event{} = event, attrs) do
event
|> Event.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Event.
## Examples
iex> delete_event(event)
{:ok, %Event{}}
iex> delete_event(event)
{:error, %Ecto.Changeset{}}
"""
def delete_event(%Event{} = event) do
Repo.delete(event)
end
@doc """
Deletes a Event.
Raises an exception if it fails.
"""
def delete_event!(%Event{} = event) do
Repo.delete!(event)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking event changes.
## Examples
iex> change_event(event)
%Ecto.Changeset{source: %Event{}}
"""
def change_event(%Event{} = event) do
Event.changeset(event, %{})
end
alias Mobilizon.Events.Tag
@doc """
Returns the list of tags.
## Examples
iex> list_tags()
[%Tag{}, ...]
"""
def list_tags(page \\ nil, limit \\ nil) do
Repo.all(
Tag
|> paginate(page, limit)
)
end
@doc """
Returns the list of tags for an event.
## Examples
iex> list_tags_for_event(id)
[%Participant{}, ...]
"""
def list_tags_for_event(id, page \\ nil, limit \\ nil) do
Repo.all(
from(
t in Tag,
join: e in "events_tags",
on: t.id == e.tag_id,
where: e.event_id == ^id
)
|> paginate(page, limit)
)
end
@doc """
Gets a single tag.
Raises `Ecto.NoResultsError` if the Tag does not exist.
## Examples
iex> get_tag!(123)
%Tag{}
iex> get_tag!(456)
** (Ecto.NoResultsError)
"""
def get_tag!(id), do: Repo.get!(Tag, id)
def get_tag(id), do: Repo.get(Tag, id)
@doc """
Get an existing tag or create one
"""
@spec get_or_create_tag(map()) :: {:ok, Tag.t()} | {:error, any()}
def get_or_create_tag(tag) do
"#" <> title = tag["name"]
case Repo.get_by(Tag, title: title) do
%Tag{} = tag ->
{:ok, tag}
nil ->
create_tag(%{"title" => title})
end
end
@doc """
Creates a tag.
## Examples
iex> create_tag(%{field: value})
{:ok, %Tag{}}
iex> create_tag(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_tag(attrs \\ %{}) do
%Tag{}
|> Tag.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a tag.
## Examples
iex> update_tag(tag, %{field: new_value})
{:ok, %Tag{}}
iex> update_tag(tag, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_tag(%Tag{} = tag, attrs) do
tag
|> Tag.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Tag.
## Examples
iex> delete_tag(tag)
{:ok, %Tag{}}
iex> delete_tag(tag)
{:error, %Ecto.Changeset{}}
"""
def delete_tag(%Tag{} = tag) do
Repo.delete(tag)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking tag changes.
## Examples
iex> change_tag(tag)
%Ecto.Changeset{source: %Tag{}}
"""
def change_tag(%Tag{} = tag) do
Tag.changeset(tag, %{})
end
alias Mobilizon.Events.TagRelation
@doc """
Create a relation between two tags
"""
@spec create_tag_relation(map()) :: {:ok, TagRelation.t()} | {:error, Ecto.Changeset.t()}
def create_tag_relation(attrs \\ {}) do
%TagRelation{}
|> TagRelation.changeset(attrs)
|> Repo.insert(conflict_target: [:tag_id, :link_id], on_conflict: [inc: [weight: 1]])
end
@doc """
Remove a tag relation
"""
def delete_tag_relation(%TagRelation{} = tag_relation) do
Repo.delete(tag_relation)
end
@doc """
Returns whether two tags are linked or not
"""
def are_tags_linked(%Tag{id: tag1_id}, %Tag{id: tag2_id}) do
case from(tr in TagRelation,
where: tr.tag_id == ^min(tag1_id, tag2_id) and tr.link_id == ^max(tag1_id, tag2_id)
)
|> Repo.one() do
%TagRelation{} -> true
_ -> false
end
end
@doc """
Returns the tags neighbors for a given tag
We can't rely on the single many_to_many relation since we also want tags that link to our tag, not just tags linked by this one
The SQL query looks like this:
```sql
SELECT * FROM tags t
RIGHT JOIN (
SELECT weight, link_id AS id
FROM tag_relations t2
WHERE tag_id = 1
UNION ALL
SELECT tag_id AS id, weight
FROM tag_relations t2
WHERE link_id = 1
) tr
ON t.id = tr.id
ORDER BY tr.weight
DESC;
```
"""
def tag_neighbors(%Tag{id: id}, relation_minimum \\ 1, limit \\ 10) do
query2 =
from(tr in TagRelation,
select: %{id: tr.tag_id, weight: tr.weight},
where: tr.link_id == ^id
)
query =
from(tr in TagRelation,
select: %{id: tr.link_id, weight: tr.weight},
union_all: ^query2,
where: tr.tag_id == ^id
)
final_query =
from(t in Tag,
right_join: q in subquery(query),
on: [id: t.id],
where: q.weight >= ^relation_minimum,
limit: ^limit,
order_by: [desc: q.weight]
)
Repo.all(final_query)
end
alias Mobilizon.Events.Participant
@doc """
Returns the list of participants.
## Examples
iex> list_participants()
[%Participant{}, ...]
"""
def list_participants do
Repo.all(Participant)
end
@doc """
Returns the list of participants for an event.
Default behaviour is to not return :not_approved participants
## Examples
iex> list_participants_for_event(some_uuid)
[%Participant{}, ...]
"""
def list_participants_for_event(uuid, page \\ nil, limit \\ nil, include_not_improved \\ false)
def list_participants_for_event(uuid, page, limit, false) do
query = do_list_participants_for_event(uuid, page, limit)
query = from(p in query, where: p.role != ^:not_approved)
Repo.all(query)
end
def list_participants_for_event(uuid, page, limit, true) do
query = do_list_participants_for_event(uuid, page, limit)
Repo.all(query)
end
defp do_list_participants_for_event(uuid, page, limit) do
from(
p in Participant,
join: e in Event,
on: p.event_id == e.id,
where: e.uuid == ^uuid,
preload: [:actor]
)
|> paginate(page, limit)
end
@doc """
Returns the list of participations for an actor.
Default behaviour is to not return :not_approved participants
## Examples
iex> list_participants_for_actor(%Actor{})
[%Participant{}, ...]
"""
def list_event_participations_for_actor(%Actor{id: id}, page \\ nil, limit \\ nil) do
Repo.all(
from(
e in Event,
join: p in Participant,
join: a in Actor,
on: p.actor_id == a.id,
on: p.event_id == e.id,
where: a.id == ^id and p.role != ^:not_approved,
preload: [:picture, :tags]
)
|> paginate(page, limit)
)
end
@doc """
Returns the list of organizers participants for an event.
## Examples
iex> list_organizers_participants_for_event(id)
[%Participant{role: :creator}, ...]
"""
def list_organizers_participants_for_event(id, page \\ nil, limit \\ nil) do
Repo.all(
from(
p in Participant,
where: p.event_id == ^id and p.role == ^:creator,
preload: [:actor]
)
|> paginate(page, limit)
)
end
@doc """
Gets a single participant.
Raises `Ecto.NoResultsError` if the Participant does not exist.
## Examples
iex> get_participant!(123)
%Participant{}
iex> get_participant!(456)
** (Ecto.NoResultsError)
"""
def get_participant!(event_id, actor_id) do
Repo.get_by!(Participant, event_id: event_id, actor_id: actor_id)
end
@doc """
Get a single participant
"""
def get_participant(event_id, actor_id) do
case Repo.get_by(Participant, event_id: event_id, actor_id: actor_id) do
nil -> {:error, :participant_not_found}
participant -> {:ok, participant}
end
end
def get_participant_by_url(url) do
Repo.one(
from(p in Participant,
where: p.url == ^url,
preload: [:actor, :event]
)
)
end
@doc """
Creates a participant.
## Examples
iex> create_participant(%{field: value})
{:ok, %Participant{}}
iex> create_participant(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_participant(attrs \\ %{}) do
with {:ok, %Participant{} = participant} <-
%Participant{} |> Participant.changeset(attrs) |> Repo.insert() do
{:ok, Repo.preload(participant, [:event, :actor])}
end
end
@doc """
Updates a participant.
## Examples
iex> update_participant(participant, %{field: new_value})
{:ok, %Participant{}}
iex> update_participant(participant, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_participant(%Participant{} = participant, attrs) do
participant
|> Participant.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Participant.
## Examples
iex> delete_participant(participant)
{:ok, %Participant{}}
iex> delete_participant(participant)
{:error, %Ecto.Changeset{}}
"""
def delete_participant(%Participant{} = participant) do
Repo.delete(participant)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking participant changes.
## Examples
iex> change_participant(participant)
%Ecto.Changeset{source: %Participant{}}
"""
def change_participant(%Participant{} = participant) do
Participant.changeset(participant, %{})
end
@doc """
Get the default participant role depending on the event join options
"""
def get_default_participant_role(%Event{} = event) do
case event.join_options do
# Participant
:free -> :participant
# Not approved
_ -> :not_approved
end
end
@doc """
List event participation requests for an actor
"""
@spec list_requests_for_actor(Actor.t()) :: list(Participant.t())
def list_requests_for_actor(%Actor{id: actor_id}) do
Repo.all(from(p in Participant, where: p.actor_id == ^actor_id and p.role == ^:not_approved))
end
alias Mobilizon.Events.Session
@doc """
Returns the list of sessions.
## Examples
iex> list_sessions()
[%Session{}, ...]
"""
def list_sessions do
Repo.all(Session)
end
@doc """
Returns the list of sessions for an event
"""
@spec list_sessions_for_event(Event.t()) :: list(Session.t())
def list_sessions_for_event(%Event{id: event_id}) do
Repo.all(
from(
s in Session,
join: e in Event,
on: s.event_id == e.id,
where: e.id == ^event_id
)
)
end
@doc """
Gets a single session.
Raises `Ecto.NoResultsError` if the Session does not exist.
## Examples
iex> get_session!(123)
%Session{}
iex> get_session!(456)
** (Ecto.NoResultsError)
"""
def get_session!(id), do: Repo.get!(Session, id)
@doc """
Creates a session.
## Examples
iex> create_session(%{field: value})
{:ok, %Session{}}
iex> create_session(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_session(attrs \\ %{}) do
%Session{}
|> Session.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a session.
## Examples
iex> update_session(session, %{field: new_value})
{:ok, %Session{}}
iex> update_session(session, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_session(%Session{} = session, attrs) do
session
|> Session.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Session.
## Examples
iex> delete_session(session)
{:ok, %Session{}}
iex> delete_session(session)
{:error, %Ecto.Changeset{}}
"""
def delete_session(%Session{} = session) do
Repo.delete(session)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking session changes.
## Examples
iex> change_session(session)
%Ecto.Changeset{source: %Session{}}
"""
def change_session(%Session{} = session) do
Session.changeset(session, %{})
end
alias Mobilizon.Events.Track
@doc """
Returns the list of tracks.
## Examples
iex> list_tracks()
[%Track{}, ...]
"""
def list_tracks do
Repo.all(Track)
end
@doc """
Returns the list of sessions for a track
"""
@spec list_sessions_for_track(Track.t()) :: list(Session.t())
def list_sessions_for_track(%Track{id: track_id}) do
Repo.all(from(s in Session, where: s.track_id == ^track_id))
end
@doc """
Gets a single track.
Raises `Ecto.NoResultsError` if the Track does not exist.
## Examples
iex> get_track!(123)
%Track{}
iex> get_track!(456)
** (Ecto.NoResultsError)
"""
def get_track!(id), do: Repo.get!(Track, id)
@doc """
Creates a track.
## Examples
iex> create_track(%{field: value})
{:ok, %Track{}}
iex> create_track(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_track(attrs \\ %{}) do
%Track{}
|> Track.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a track.
## Examples
iex> update_track(track, %{field: new_value})
{:ok, %Track{}}
iex> update_track(track, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_track(%Track{} = track, attrs) do
track
|> Track.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Track.
## Examples
iex> delete_track(track)
{:ok, %Track{}}
iex> delete_track(track)
{:error, %Ecto.Changeset{}}
"""
def delete_track(%Track{} = track) do
Repo.delete(track)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking track changes.
## Examples
iex> change_track(track)
%Ecto.Changeset{source: %Track{}}
"""
def change_track(%Track{} = track) do
Track.changeset(track, %{})
end
alias Mobilizon.Events.Comment
@doc """
Returns the list of public comments.
## Examples
iex> list_comments()
[%Comment{}, ...]
"""
def list_comments do
Repo.all(from(c in Comment, where: c.visibility == ^:public))
end
def get_public_comments_for_actor(%Actor{id: actor_id}, page \\ nil, limit \\ nil) do
query =
from(
c in Comment,
where: c.actor_id == ^actor_id and c.visibility in [^:public, ^:unlisted],
order_by: [desc: :id],
preload: [
:actor,
:in_reply_to_comment,
:origin_comment,
:event
]
)
|> paginate(page, limit)
comments = Repo.all(query)
count_comments =
Repo.one(from(c in Comment, select: count(c.id), where: c.actor_id == ^actor_id))
{:ok, comments, count_comments}
end
@doc """
Gets a single comment.
Raises `Ecto.NoResultsError` if the Comment does not exist.
## Examples
iex> get_comment!(123)
%Comment{}
iex> get_comment!(456)
** (Ecto.NoResultsError)
"""
def get_comment!(id), do: Repo.get!(Comment, id)
# @doc """
# Gets a single comment from it's UUID
# """
# @spec get_comment_from_uuid(String.t) :: {:ok, Comment.t} | {:error, nil}
# def get_comment_from_uuid(uuid), do: Repo.get_by(Comment, uuid: uuid)
# @doc """
# Gets a single comment by it's UUID.
# Raises `Ecto.NoResultsError` if the Comment does not exist.
# ## Examples
# iex> get_comment_from_uuid!("123AFV13")
# %Comment{}
# iex> get_comment_from_uuid!("20R9HKDJHF")
# ** (Ecto.NoResultsError)
# """
# @spec get_comment_from_uuid(String.t) :: Comment.t
# def get_comment_from_uuid!(uuid), do: Repo.get_by!(Comment, uuid: uuid)
def get_comment_full_from_uuid(uuid) do
with %Comment{} = comment <- Repo.get_by!(Comment, uuid: uuid) do
Repo.preload(comment, [:actor, :attributed_to, :in_reply_to_comment])
end
end
def get_cached_comment_full_by_uuid(uuid) do
Cachex.fetch(:activity_pub, "comment_" <> uuid, fn "comment_" <> uuid ->
case get_comment_full_from_uuid(uuid) do
%Comment{} = comment ->
{:commit, comment}
_ ->
{:ignore, nil}
end
end)
end
def get_comment_from_url(url), do: Repo.get_by(Comment, url: url)
def get_comment_from_url!(url), do: Repo.get_by!(Comment, url: url)
def get_comment_full_from_url(url) do
case Repo.one(
from(c in Comment, where: c.url == ^url, preload: [:actor, :in_reply_to_comment])
) do
nil -> {:error, :comment_not_found}
comment -> {:ok, comment}
end
end
def get_comment_full_from_url!(url) do
with %Comment{} = comment <- Repo.get_by!(Comment, url: url) do
Repo.preload(comment, [:actor, :in_reply_to_comment])
end
end
@doc """
Get all comments by an actor and a list of ids
"""
def get_all_comments_by_actor_and_ids(actor_id, comment_ids \\ [])
def get_all_comments_by_actor_and_ids(_actor_id, []), do: []
def get_all_comments_by_actor_and_ids(actor_id, comment_ids) do
Comment
|> where([c], c.id in ^comment_ids)
|> where([c], c.actor_id == ^actor_id)
|> Repo.all()
end
@doc """
Creates a comment.
## Examples
iex> create_comment(%{field: value})
{:ok, %Comment{}}
iex> create_comment(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_comment(attrs \\ %{}) do
with {:ok, %Comment{} = comment} <-
%Comment{}
|> Comment.changeset(attrs)
|> Repo.insert(),
%Comment{} = comment <- Repo.preload(comment, [:actor, :in_reply_to_comment]) do
{:ok, comment}
end
end
@doc """
Updates a comment.
## Examples
iex> update_comment(comment, %{field: new_value})
{:ok, %Comment{}}
iex> update_comment(comment, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_comment(%Comment{} = comment, attrs) do
comment
|> Comment.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Comment.
## Examples
iex> delete_comment(comment)
{:ok, %Comment{}}
iex> delete_comment(comment)
{:error, %Ecto.Changeset{}}
"""
def delete_comment(%Comment{} = comment) do
Repo.delete(comment)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking comment changes.
## Examples
iex> change_comment(comment)
%Ecto.Changeset{source: %Comment{}}
"""
def change_comment(%Comment{} = comment) do
Comment.changeset(comment, %{})
end
alias Mobilizon.Events.FeedToken
@doc """
Gets a single feed token.
## Examples
iex> get_feed_token("123")
{:ok, %FeedToken{}}
iex> get_feed_token("456")
{:error, nil}
"""
def get_feed_token(token) do
from(ftk in FeedToken, where: ftk.token == ^token, preload: [:actor, :user])
|> Repo.one()
end
@doc """
Gets a single feed token.
Raises `Ecto.NoResultsError` if the FeedToken does not exist.
## Examples
iex> get_feed_token!(123)
%FeedToken{}
iex> get_feed_token!(456)
** (Ecto.NoResultsError)
"""
def get_feed_token!(token) do
from(
tk in FeedToken,
where: tk.token == ^token,
preload: [:actor, :user]
)
|> Repo.one!()
end
@doc """
Get feed tokens for an user
"""
@spec get_feed_tokens(User.t()) :: list(FeedTokens.t())
def get_feed_tokens(%User{id: id}) do
from(
tk in FeedToken,
where: tk.user_id == ^id,
preload: [:actor, :user]
)
|> Repo.all()
end
@doc """
Get feed tokens for an actor
"""
@spec get_feed_tokens(Actor.t()) :: list(FeedTokens.t())
def get_feed_tokens(%Actor{id: id, domain: nil}) do
from(
tk in FeedToken,
where: tk.actor_id == ^id,
preload: [:actor, :user]
)
|> Repo.all()
end
@doc """
Creates a feed token.
## Examples
iex> create_feed_token(%{field: value})
{:ok, %FeedToken{}}
iex> create_feed_token(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_feed_token(attrs \\ %{}) do
attrs = Map.put(attrs, "token", Ecto.UUID.generate())
%FeedToken{}
|> FeedToken.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a feed token.
## Examples
iex> update_feed_token(feed_token, %{field: new_value})
{:ok, %FeedToken{}}
iex> update_feed_token(feed_token, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_feed_token(%FeedToken{} = feed_token, attrs) do
feed_token
|> FeedToken.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a FeedToken.
## Examples
iex> delete_feed_token(feed_token)
{:ok, %FeedToken{}}
iex> delete_feed_token(feed_token)
{:error, %Ecto.Changeset{}}
"""
def delete_feed_token(%FeedToken{} = feed_token) do
Repo.delete(feed_token)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking feed_token changes.
## Examples
iex> change_feed_token(feed_token)
%Ecto.Changeset{source: %FeedToken{}}
"""
def change_feed_token(%FeedToken{} = feed_token) do
FeedToken.changeset(feed_token, %{})
end
end
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