mobilizon.chapril.org-mobil.../lib/eventos/events/events.ex

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defmodule Eventos.Events do
@moduledoc """
The Events context.
"""
import Ecto.Query, warn: false
alias Eventos.Repo
alias Eventos.Events.Event
alias Eventos.Events.Comment
alias Eventos.Actors.Actor
alias Eventos.Addresses.Address
@doc """
Returns the list of events.
## Examples
iex> list_events()
[%Event{}, ...]
"""
def list_events do
events = Repo.all(Event)
Repo.preload(events, [:organizer_actor])
end
def get_events_for_actor(%Actor{id: actor_id} = _actor, page \\ 1, limit \\ 10) do
start = (page - 1) * limit
query =
from(
e in Event,
where: e.organizer_actor_id == ^actor_id,
limit: ^limit,
order_by: [desc: :id],
offset: ^start,
preload: [
:organizer_actor,
:category,
:sessions,
:tracks,
:tags,
:participants,
:physical_address
]
)
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
def count_local_events do
Repo.one(
from(
e in Event,
select: count(e.id),
where: e.local == ^true
)
)
end
def count_local_comments do
Repo.one(
from(
c in Comment,
select: count(c.id),
where: c.local == ^true
)
)
end
import Geo.PostGIS
# 50 000 meters -> 50 kms
def find_close_events(lon, lat, radius \\ 50_000) do
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with {:ok, ip_point} <- Geo.WKT.decode("SRID=4326;POINT(#{lon} #{lat})") do
Repo.all(
from(
e in Event,
join: a in Address,
on: a.id == e.physical_address_id,
where: st_dwithin_in_meters(^ip_point, a.geom, ^radius),
preload: :organizer_actor
)
)
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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 an event by it's URL
"""
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def get_event_by_url(url) do
Repo.get_by(Event, url: url)
end
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@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
"""
def get_event_by_uuid(uuid) do
Repo.get_by(Event, uuid: uuid)
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,
:category,
:sessions,
:tracks,
:tags,
:participants,
:physical_address
])
end
@doc """
Gets an event by it's URL
"""
def get_event_full_by_url!(url) do
event = Repo.get_by(Event, url: url)
Repo.preload(event, [
:organizer_actor,
:category,
:sessions,
:tracks,
:tags,
:participants,
:physical_address
])
end
@doc """
Gets a full event by it's UUID
"""
def get_event_full_by_uuid(uuid) do
event = Repo.get_by(Event, uuid: uuid)
Repo.preload(event, [
:organizer_actor,
:category,
:sessions,
:tracks,
:tags,
:participants,
:physical_address
])
end
@doc """
Find events by name
"""
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def find_events_by_name(name) when name == "", do: []
def find_events_by_name(name) do
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name = String.trim(name)
events = Repo.all(from(a in Event, where: ilike(a.title, ^like_sanitize(name))))
Repo.preload(events, [:organizer_actor])
end
@doc """
Sanitize the LIKE queries
"""
defp like_sanitize(value) do
"%" <> String.replace(value, ~r/([\\%_])/, "\\1") <> "%"
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
case %Event{} |> Event.changeset(attrs) |> Repo.insert() do
{:ok, %Event{} = event} -> {:ok, Repo.preload(event, [:organizer_actor])}
err -> err
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 """
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 Eventos.Events.Category
@doc """
Returns the list of categories.
## Examples
iex> list_categories()
[%Category{}, ...]
"""
def list_categories do
Repo.all(Category)
end
@doc """
Gets a single category.
Raises `Ecto.NoResultsError` if the Category does not exist.
## Examples
iex> get_category!(123)
%Category{}
iex> get_category!(456)
** (Ecto.NoResultsError)
"""
def get_category!(id), do: Repo.get!(Category, id)
@spec get_category_by_title(String.t()) :: tuple()
def get_category_by_title(title) when is_binary(title) do
Repo.get_by(Category, title: title)
end
@doc """
Creates a category.
## Examples
iex> create_category(%{field: value})
{:ok, %Category{}}
iex> create_category(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_category(attrs \\ %{}) do
%Category{}
|> Category.changeset(attrs)
|> Repo.insert()
end
@doc """
Updates a category.
## Examples
iex> update_category(category, %{field: new_value})
{:ok, %Category{}}
iex> update_category(category, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_category(%Category{} = category, attrs) do
category
|> Category.changeset(attrs)
|> Repo.update()
end
@doc """
Deletes a Category.
## Examples
iex> delete_category(category)
{:ok, %Category{}}
iex> delete_category(category)
{:error, %Ecto.Changeset{}}
"""
def delete_category(%Category{} = category) do
Repo.delete(category)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking category changes.
## Examples
iex> change_category(category)
%Ecto.Changeset{source: %Category{}}
"""
def change_category(%Category{} = category) do
Category.changeset(category, %{})
end
alias Eventos.Events.Tag
@doc """
Returns the list of tags.
## Examples
iex> list_tags()
[%Tag{}, ...]
"""
def list_tags do
Repo.all(Tag)
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)
@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 Eventos.Events.Participant
@doc """
Returns the list of participants.
## Examples
iex> list_participants()
[%Participant{}, ...]
"""
def list_participants do
Repo.all(Participant)
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 """
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
%Participant{}
|> Participant.changeset(attrs)
|> Repo.insert()
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
def list_requests_for_actor(%Actor{} = actor) do
Repo.all(from(p in Participant, where: p.actor_id == ^actor.id and p.approved == false))
end
alias Eventos.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
"""
def list_sessions_for_event(event_uuid) do
Repo.all(
from(
s in Session,
join: e in Event,
on: s.event_id == e.id,
where: e.uuid == ^event_uuid
)
)
end
@doc """
Returns the list of sessions for a track
"""
def list_sessions_for_track(track_id) do
Repo.all(from(s in Session, where: s.track_id == ^track_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 Eventos.Events.Track
@doc """
Returns the list of tracks.
## Examples
iex> list_tracks()
[%Track{}, ...]
"""
def list_tracks do
Repo.all(Track)
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 Eventos.Events.Comment
@doc """
Returns the list of comments.
## Examples
iex> list_comments()
[%Comment{}, ...]
"""
def list_comments do
Repo.all(Comment)
end
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def get_comments_for_actor(%Actor{id: actor_id}, page \\ 1, limit \\ 10) do
start = (page - 1) * limit
query =
from(
c in Comment,
where: c.actor_id == ^actor_id,
limit: ^limit,
order_by: [desc: :id],
offset: ^start,
preload: [
:actor,
:in_reply_to_comment,
:origin_comment,
:event
]
)
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)
def get_comment_with_uuid!(uuid), do: Repo.get_by!(Comment, uuid: uuid)
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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
with %Comment{} = comment <- Repo.get_by!(Comment, url: url) do
Repo.preload(comment, :actor)
end
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
%Comment{}
|> Comment.changeset(attrs)
|> Repo.insert()
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
end