1103 lines
22 KiB
Elixir
1103 lines
22 KiB
Elixir
defmodule Mobilizon.Events do
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@moduledoc """
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The Events context.
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"""
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import Ecto.Query, warn: false
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import Mobilizon.Ecto
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alias Mobilizon.Repo
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alias Mobilizon.Events.{Event, Comment, Participant}
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alias Mobilizon.Actors.Actor
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alias Mobilizon.Addresses.Address
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def data() do
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Dataloader.Ecto.new(Mobilizon.Repo, query: &query/2)
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end
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def query(queryable, _params) do
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queryable
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end
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def get_public_events_for_actor(%Actor{id: actor_id} = _actor, page \\ nil, limit \\ nil) do
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query =
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from(
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e in Event,
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where: e.organizer_actor_id == ^actor_id and e.visibility in [^:public, ^:unlisted],
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order_by: [desc: :id],
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preload: [
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:organizer_actor,
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:category,
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:sessions,
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:tracks,
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:tags,
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:participants,
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:physical_address
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]
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)
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|> paginate(page, limit)
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events = Repo.all(query)
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count_events =
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Repo.one(from(e in Event, select: count(e.id), where: e.organizer_actor_id == ^actor_id))
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{:ok, events, count_events}
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end
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def count_local_events do
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Repo.one(
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from(
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e in Event,
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select: count(e.id),
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where: e.local == ^true and e.visibility in [^:public, ^:unlisted]
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)
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)
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end
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def count_local_comments do
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Repo.one(
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from(
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c in Comment,
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select: count(c.id),
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where: c.local == ^true and c.visibility in [^:public, ^:unlisted]
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)
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)
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end
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import Geo.PostGIS
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@doc """
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Find close events to coordinates
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Radius is in meters and defaults to 50km.
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"""
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@spec find_close_events(number(), number(), number(), number()) :: list(Event.t())
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def find_close_events(lon, lat, radius \\ 50_000, srid \\ 4326) do
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with {:ok, point} <- Geo.WKT.decode("SRID=#{srid};POINT(#{lon} #{lat})") do
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Repo.all(
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from(
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e in Event,
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join: a in Address,
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on: a.id == e.physical_address_id,
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where: e.visibility == ^:public and st_dwithin_in_meters(^point, a.geom, ^radius),
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preload: :organizer_actor
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)
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)
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end
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end
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@doc """
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Gets a single event.
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Raises `Ecto.NoResultsError` if the Event does not exist.
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## Examples
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iex> get_event!(123)
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%Event{}
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iex> get_event!(456)
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** (Ecto.NoResultsError)
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"""
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def get_event!(id), do: Repo.get!(Event, id)
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@doc """
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Gets a single event.
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"""
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def get_event(id) do
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case Repo.get(Event, id) do
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nil -> {:error, :event_not_found}
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event -> {:ok, event}
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end
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end
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@doc """
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Gets an event by it's URL
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"""
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def get_event_by_url(url) do
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Repo.get_by(Event, url: url)
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end
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@doc """
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Gets an event by it's URL
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"""
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def get_event_by_url!(url) do
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Repo.get_by!(Event, url: url)
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end
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# @doc """
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# Gets an event by it's UUID
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# """
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# @depreciated "Use get_event_full_by_uuid/3 instead"
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# def get_event_by_uuid(uuid) do
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# Repo.get_by(Event, uuid: uuid)
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# end
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@doc """
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Gets a full event by it's UUID
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"""
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@spec get_event_full_by_uuid(String.t()) :: Event.t()
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def get_event_full_by_uuid(uuid) do
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from(
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e in Event,
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where: e.uuid == ^uuid and e.visibility in [^:public, ^:unlisted],
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preload: [
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:organizer_actor,
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:category,
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:sessions,
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:tracks,
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:tags,
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:participants,
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:physical_address
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]
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)
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|> Repo.one()
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end
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@doc """
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Gets a single event, with all associations loaded.
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"""
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def get_event_full!(id) do
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event = Repo.get!(Event, id)
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Repo.preload(event, [
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:organizer_actor,
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:category,
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:sessions,
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:tracks,
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:tags,
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:participants,
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:physical_address
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])
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end
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@doc """
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Gets an event by it's URL
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"""
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def get_event_full_by_url(url) do
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case Repo.one(
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from(e in Event,
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where: e.url == ^url and e.visibility in [^:public, ^:unlisted],
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preload: [
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:organizer_actor,
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:category,
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:sessions,
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:tracks,
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:tags,
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:participants,
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:physical_address
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]
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)
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) do
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nil -> {:error, :event_not_found}
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event -> {:ok, event}
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end
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end
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@doc """
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Gets an event by it's URL
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"""
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def get_event_full_by_url!(url) do
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Repo.one(
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from(e in Event,
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where: e.url == ^url and e.visibility in [^:public, ^:unlisted],
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preload: [
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:organizer_actor,
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:category,
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:sessions,
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:tracks,
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:tags,
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:participants,
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:physical_address
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]
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)
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)
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end
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@doc """
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Returns the list of events.
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## Examples
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iex> list_events()
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[%Event{}, ...]
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"""
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def list_events(page \\ nil, limit \\ nil) do
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query =
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from(
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e in Event,
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where: e.visibility == ^:public,
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preload: [:organizer_actor, :participants]
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)
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|> paginate(page, limit)
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Repo.all(query)
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end
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@doc """
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Find events by name
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"""
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def find_events_by_name(name, page \\ nil, limit \\ nil)
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def find_events_by_name("", page, limit), do: list_events(page, limit)
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def find_events_by_name(name, page, limit) do
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name = String.trim(name)
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query =
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from(e in Event,
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where: e.visibility == ^:public and ilike(e.title, ^like_sanitize(name)),
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preload: [:organizer_actor]
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)
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|> paginate(page, limit)
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Repo.all(query)
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end
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# Sanitize the LIKE queries
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defp like_sanitize(value) do
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"%" <> String.replace(value, ~r/([\\%_])/, "\\1") <> "%"
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end
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@doc """
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Creates a event.
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## Examples
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iex> create_event(%{field: value})
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{:ok, %Event{}}
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iex> create_event(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_event(attrs \\ %{}) do
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with {:ok, %Event{} = event} <- %Event{} |> Event.changeset(attrs) |> Repo.insert(),
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{:ok, %Participant{} = _participant} <-
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%Participant{}
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|> Participant.changeset(%{
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actor_id: event.organizer_actor_id,
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role: :creator,
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event_id: event.id
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})
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|> Repo.insert() do
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{:ok, Repo.preload(event, [:organizer_actor])}
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end
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end
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@doc """
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Updates a event.
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## Examples
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iex> update_event(event, %{field: new_value})
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{:ok, %Event{}}
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iex> update_event(event, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_event(%Event{} = event, attrs) do
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event
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|> Event.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a Event.
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## Examples
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iex> delete_event(event)
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{:ok, %Event{}}
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iex> delete_event(event)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_event(%Event{} = event) do
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Repo.delete(event)
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end
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@doc """
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Deletes a Event.
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Raises an exception if it fails.
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"""
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def delete_event!(%Event{} = event) do
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Repo.delete!(event)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking event changes.
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## Examples
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iex> change_event(event)
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%Ecto.Changeset{source: %Event{}}
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"""
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def change_event(%Event{} = event) do
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Event.changeset(event, %{})
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end
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alias Mobilizon.Events.Category
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@doc """
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Returns the list of categories.
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## Examples
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iex> list_categories()
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[%Category{}, ...]
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"""
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def list_categories(page \\ nil, limit \\ nil) do
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Repo.all(
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Category
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|> paginate(page, limit)
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)
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end
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@doc """
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Gets a single category.
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Raises `Ecto.NoResultsError` if the Category does not exist.
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## Examples
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iex> get_category!(123)
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%Category{}
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iex> get_category!(456)
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** (Ecto.NoResultsError)
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"""
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def get_category!(id), do: Repo.get!(Category, id)
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@spec get_category_by_title(String.t()) :: Category.t() | nil
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def get_category_by_title(title) when is_binary(title) do
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Repo.get_by(Category, title: title)
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end
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@doc """
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Creates a category.
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## Examples
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iex> create_category(%{field: value})
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{:ok, %Category{}}
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iex> create_category(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_category(attrs \\ %{}) do
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%Category{}
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|> Category.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Updates a category.
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## Examples
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iex> update_category(category, %{field: new_value})
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{:ok, %Category{}}
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iex> update_category(category, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_category(%Category{} = category, attrs) do
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category
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|> Category.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a Category.
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## Examples
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iex> delete_category(category)
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{:ok, %Category{}}
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iex> delete_category(category)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_category(%Category{} = category) do
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Repo.delete(category)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking category changes.
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## Examples
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iex> change_category(category)
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%Ecto.Changeset{source: %Category{}}
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"""
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def change_category(%Category{} = category) do
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Category.changeset(category, %{})
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end
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alias Mobilizon.Events.Tag
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@doc """
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Returns the list of tags.
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## Examples
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iex> list_tags()
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[%Tag{}, ...]
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"""
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def list_tags do
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Repo.all(Tag)
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end
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@doc """
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Gets a single tag.
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Raises `Ecto.NoResultsError` if the Tag does not exist.
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## Examples
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iex> get_tag!(123)
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%Tag{}
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iex> get_tag!(456)
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** (Ecto.NoResultsError)
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"""
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def get_tag!(id), do: Repo.get!(Tag, id)
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@doc """
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Creates a tag.
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## Examples
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iex> create_tag(%{field: value})
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{:ok, %Tag{}}
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iex> create_tag(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_tag(attrs \\ %{}) do
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%Tag{}
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|> Tag.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Updates a tag.
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## Examples
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iex> update_tag(tag, %{field: new_value})
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{:ok, %Tag{}}
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iex> update_tag(tag, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_tag(%Tag{} = tag, attrs) do
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tag
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|> Tag.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a Tag.
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## Examples
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iex> delete_tag(tag)
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{:ok, %Tag{}}
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iex> delete_tag(tag)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_tag(%Tag{} = tag) do
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Repo.delete(tag)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking tag changes.
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## Examples
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iex> change_tag(tag)
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%Ecto.Changeset{source: %Tag{}}
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"""
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def change_tag(%Tag{} = tag) do
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Tag.changeset(tag, %{})
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end
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alias Mobilizon.Events.Participant
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@doc """
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Returns the list of participants.
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## Examples
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iex> list_participants()
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[%Participant{}, ...]
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"""
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def list_participants do
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Repo.all(Participant)
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end
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@doc """
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Returns the list of participants for an event.
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Default behaviour is to not return :not_approved participants
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## Examples
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iex> list_participants_for_event(someuuid)
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[%Participant{}, ...]
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"""
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def list_participants_for_event(uuid, page \\ nil, limit \\ nil) do
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Repo.all(
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from(
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p in Participant,
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join: e in Event,
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on: p.event_id == e.id,
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where: e.uuid == ^uuid and p.role != ^:not_approved,
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preload: [:actor]
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)
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|> paginate(page, limit)
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)
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end
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@doc """
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Returns the list of organizers participants for an event.
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## Examples
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iex> list_organizers_participants_for_event(id)
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[%Participant{role: :creator}, ...]
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"""
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def list_organizers_participants_for_event(id, page \\ nil, limit \\ nil) do
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Repo.all(
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from(
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p in Participant,
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join: e in Event,
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on: p.event_id == e.id,
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where: e.id == ^id and p.role == ^:creator,
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preload: [:actor]
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)
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|> paginate(page, limit)
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)
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end
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@doc """
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Gets a single participant.
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Raises `Ecto.NoResultsError` if the Participant does not exist.
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## Examples
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iex> get_participant!(123)
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%Participant{}
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iex> get_participant!(456)
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** (Ecto.NoResultsError)
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"""
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def get_participant!(event_id, actor_id) do
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Repo.get_by!(Participant, event_id: event_id, actor_id: actor_id)
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end
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@doc """
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Get a single participant
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"""
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def get_participant(event_id, actor_id) do
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case Repo.get_by(Participant, event_id: event_id, actor_id: actor_id) do
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|
nil -> {:error, :participant_not_found}
|
|
participant -> {:ok, participant}
|
|
end
|
|
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
|
|
|
|
@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_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 """
|
|
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
|