967 lines
22 KiB
Elixir
967 lines
22 KiB
Elixir
defmodule Mobilizon.Actors do
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@moduledoc """
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The Actors context.
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"""
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import Ecto.Query, warn: false
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alias Mobilizon.Repo
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alias Mobilizon.Actors.{Actor, Bot, Member, Follower, User}
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alias Mobilizon.Service.ActivityPub
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import Exgravatar
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@doc false
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def data() do
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Dataloader.Ecto.new(Repo, query: &query/2)
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end
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@doc false
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def query(queryable, _params) do
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queryable
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end
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@doc """
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Returns the list of actors.
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## Examples
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iex> Mobilizon.Actors.list_actors()
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[%Mobilizon.Actors.Actor{}]
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"""
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@spec list_actors() :: list()
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def list_actors do
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Repo.all(Actor)
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end
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@doc """
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Gets a single actor.
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Raises `Ecto.NoResultsError` if the Actor does not exist.
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## Examples
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iex> get_actor!(123)
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%Mobilizon.Actors.Actor{}
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iex> get_actor!(456)
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** (Ecto.NoResultsError)
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"""
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@spec get_actor!(integer()) :: Actor.t()
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def get_actor!(id) do
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Repo.get!(Actor, id)
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end
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@doc """
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Returns the associated actor for an user, either the default set one or the first found
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"""
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@spec get_actor_for_user(Mobilizon.Actors.User.t()) :: Mobilizon.Actors.Actor.t()
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def get_actor_for_user(%Mobilizon.Actors.User{} = user) do
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with %User{default_actor: actor} = user when not is_nil(user) and not is_nil(actor) <-
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Repo.preload(user, [:default_actor]) do
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actor
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end
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end
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def get_actor_with_everything!(id) do
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actor = Repo.get!(Actor, id)
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Repo.preload(actor, [:organized_events, :followers, :followings])
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end
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@doc """
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Creates a actor.
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## Examples
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iex> create_actor(%{preferred_username: "test"})
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{:ok, %Mobilizon.Actors.Actor{preferred_username: "test"}}
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iex> create_actor(%{preferred_username: nil})
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{:error, %Ecto.Changeset{}}
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"""
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def create_actor(attrs \\ %{}) do
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%Actor{}
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|> Actor.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Updates a actor.
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## Examples
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iex> update_actor(%Actor{preferred_username: "toto"}, %{preferred_username: "tata"})
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{:ok, %Mobilizon.Actors.Actor{preferred_username: "tata"}}
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iex> update_actor(%Actor{preferred_username: "toto"}, %{preferred_username: nil})
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{:error, %Ecto.Changeset{}}
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"""
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def update_actor(%Actor{} = actor, attrs) do
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actor
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|> Actor.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a Actor.
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## Examples
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iex> delete_actor(%Actor{})
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{:ok, %Mobilizon.Actors.Actor{}}
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iex> delete_actor(nil)
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{:error, %Ecto.Changeset{}}
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"""
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@spec delete_actor(Actor.t()) :: {:ok, Actor.t()} | {:error, Ecto.Changeset.t()}
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def delete_actor(%Actor{} = actor) do
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Repo.delete(actor)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking actor changes.
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## Examples
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iex> change_actor(%Actor{})
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%Ecto.Changeset{data: %Mobilizon.Actors.Actor{}}
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"""
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def change_actor(%Actor{} = actor) do
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Actor.changeset(actor, %{})
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end
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@doc """
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List the groups
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"""
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def list_groups do
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Repo.all(from(a in Actor, where: a.type == ^:Group))
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end
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def get_group_by_name(name) do
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case String.split(name, "@") do
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[name] ->
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Repo.get_by(Actor, preferred_username: name, type: :Group)
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[name, domain] ->
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Repo.get_by(Actor, preferred_username: name, domain: domain, type: :Group)
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end
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end
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@doc """
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Creates a group.
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## Examples
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iex> create_group(%{name: "group name"})
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{:ok, %Mobilizon.Actors.Actor{}}
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iex> create_group(%{name: nil})
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{:error, %Ecto.Changeset{}}
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"""
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def create_group(attrs \\ %{}) do
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%Actor{}
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|> Actor.group_creation(attrs)
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|> Repo.insert()
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end
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alias Mobilizon.Actors.User
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@doc """
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Returns the list of users.
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## Examples
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iex> list_users()
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[%Mobilizon.Actors.User{}]
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"""
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def list_users do
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Repo.all(User)
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end
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def insert_or_update_actor(data, preload \\ false) do
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cs = Actor.remote_actor_creation(data)
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{:ok, actor} =
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Repo.insert(
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cs,
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on_conflict: [
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set: [
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keys: data.keys,
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avatar_url: data.avatar_url,
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banner_url: data.banner_url,
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name: data.name
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]
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],
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conflict_target: [:preferred_username, :domain]
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)
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if preload, do: {:ok, Repo.preload(actor, [:followers])}, else: {:ok, actor}
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end
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# def increase_event_count(%Actor{} = actor) do
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# event_count = (actor.info["event_count"] || 0) + 1
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# new_info = Map.put(actor.info, "note_count", note_count)
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#
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# cs = info_changeset(actor, %{info: new_info})
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#
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# update_and_set_cache(cs)
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# end
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def count_users() do
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Repo.one(
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from(
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u in User,
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select: count(u.id)
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)
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)
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end
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@doc """
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Gets a single user.
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Raises `Ecto.NoResultsError` if the User does not exist.
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## Examples
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iex> get_user!(123)
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%Mobilizon.Actors.User{}
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iex> get_user!(456)
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** (Ecto.NoResultsError)
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"""
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def get_user!(id), do: Repo.get!(User, id)
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@doc """
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Get an user with it's actors
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Raises `Ecto.NoResultsError` if the User does not exist.
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"""
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@spec get_user_with_actors!(integer()) :: User.t()
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def get_user_with_actors!(id) do
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user = Repo.get!(User, id)
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Repo.preload(user, :actors)
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end
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@spec get_user_with_actors(integer()) :: User.t()
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def get_user_with_actors(id) do
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case Repo.get(User, id) do
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nil -> {:error, "User with ID #{id} not found"}
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user -> {:ok, Repo.preload(user, :actors)}
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end
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end
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@doc """
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Get an actor by it's URL (ActivityPub ID). The `:preload` option allows preloading the Followers relation.
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Raises `Ecto.NoResultsError` if the Actor does not exist.
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## Examples
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iex> get_actor_by_url("https://mastodon.server.tld/users/user")
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{:ok, %Mobilizon.Actors.Actor{preferred_username: "user"}}
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iex> get_actor_by_url("https://mastodon.server.tld/users/user", true)
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{:ok, %Mobilizon.Actors.Actor{preferred_username: "user", followers: []}}
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iex> get_actor_by_url("non existent")
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{:error, :actor_not_found}
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"""
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@spec get_actor_by_url(String.t(), boolean()) :: {:ok, Actor.t()} | {:error, :actor_not_found}
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def get_actor_by_url(url, preload \\ false) do
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case Repo.get_by(Actor, url: url) do
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nil ->
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{:error, :actor_not_found}
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actor ->
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if preload, do: {:ok, Repo.preload(actor, [:followers])}, else: {:ok, actor}
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end
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end
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@doc """
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Get an actor by it's URL (ActivityPub ID). The `:preload` option allows preloading the Followers relation.
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Raises `Ecto.NoResultsError` if the Actor does not exist.
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## Examples
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iex> get_actor_by_url!("https://mastodon.server.tld/users/user")
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%Mobilizon.Actors.Actor{}
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iex> get_actor_by_url!("https://mastodon.server.tld/users/user", true)
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{:ok, %Mobilizon.Actors.Actor{preferred_username: "user", followers: []}}
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iex> get_actor_by_url!("non existent")
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** (Ecto.NoResultsError)
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"""
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@spec get_actor_by_url!(String.t(), boolean()) :: struct()
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def get_actor_by_url!(url, preload \\ false) do
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actor = Repo.get_by!(Actor, url: url)
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if preload, do: Repo.preload(actor, [:followers]), else: actor
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end
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@doc """
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Get an actor by name
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## Examples
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iex> get_actor_by_name("tcit")
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%Mobilizon.Actors.Actor{preferred_username: "tcit", domain: nil}
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iex> get_actor_by_name("tcit@social.tcit.fr")
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%Mobilizon.Actors.Actor{preferred_username: "tcit", domain: "social.tcit.fr"}
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iex> get_actor_by_name("tcit", :Group)
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nil
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"""
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@spec get_actor_by_name(String.t(), atom() | nil) :: Actor.t()
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def get_actor_by_name(name, type \\ nil) do
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# Base query
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query = from(a in Actor)
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# If we have Person / Group information
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query =
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if type in [:Person, :Group] do
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from(a in query, where: a.type == ^type)
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else
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query
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end
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# If the name is a remote actor
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query =
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case String.split(name, "@") do
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[name] -> do_get_actor_by_name(query, name)
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[name, domain] -> do_get_actor_by_name(query, name, domain)
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end
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Repo.one(query)
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end
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# Get actor by username and domain is nil
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defp do_get_actor_by_name(query, name) do
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from(a in query, where: a.preferred_username == ^name and is_nil(a.domain))
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end
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# Get actor by username and domain
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defp do_get_actor_by_name(query, name, domain) do
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from(a in query, where: a.preferred_username == ^name and a.domain == ^domain)
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end
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def get_local_actor_by_name(name) do
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Repo.one(from(a in Actor, where: a.preferred_username == ^name and is_nil(a.domain)))
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end
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def get_local_actor_by_name_with_everything(name) do
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actor = Repo.one(from(a in Actor, where: a.preferred_username == ^name and is_nil(a.domain)))
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Repo.preload(actor, [:organized_events, :followers, :followings])
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end
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@spec get_actor_by_name_with_everything(String.t(), atom() | nil) :: Actor.t()
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def get_actor_by_name_with_everything(name, type \\ nil) do
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name
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|> get_actor_by_name(type)
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|> Repo.preload(:organized_events)
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end
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def get_or_fetch_by_url(url, preload \\ false) do
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with {:ok, actor} <- get_actor_by_url(url, preload) do
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{:ok, actor}
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else
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_ ->
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case ActivityPub.make_actor_from_url(url, preload) do
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{:ok, actor} ->
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{:ok, actor}
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_ ->
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{:error, "Could not fetch by AP id"}
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end
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end
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end
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def get_or_fetch_by_url!(url, preload \\ false) do
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with {:ok, actor} <- get_actor_by_url(url, preload) do
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actor
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else
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_ ->
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case ActivityPub.make_actor_from_url(url, preload) do
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{:ok, actor} ->
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actor
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_ ->
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raise "Could not fetch by AP id"
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end
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end
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end
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@doc """
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Find local users by it's username
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"""
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def find_local_by_username(username) do
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actors =
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Repo.all(
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from(
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a in Actor,
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where:
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(ilike(a.preferred_username, ^like_sanitize(username)) or
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ilike(a.name, ^like_sanitize(username))) and is_nil(a.domain)
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)
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)
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Repo.preload(actors, :organized_events)
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end
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@doc """
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Find actors by their name or displayed name
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"""
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@spec find_actors_by_username_or_name(String.t(), integer(), integer()) :: list(Actor.t())
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def find_actors_by_username_or_name(username, page \\ 1, limit \\ 10)
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def find_actors_by_username_or_name("", _page, _limit), do: []
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def find_actors_by_username_or_name(username, page, limit) do
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start = (page - 1) * limit
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Repo.all(
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from(
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a in Actor,
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limit: ^limit,
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offset: ^start,
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where:
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ilike(a.preferred_username, ^like_sanitize(username)) or
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ilike(a.name, ^like_sanitize(username))
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)
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)
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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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@email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
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@spec search(String.t()) :: {:ok, list(Actor.t())} | {:ok, []} | {:error, any()}
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def search(name) do
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# find already saved accounts
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case find_actors_by_username_or_name(name) do
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[] ->
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# no accounts found, let's test if it's an username@domain.tld
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with true <- Regex.match?(@email_regex, name),
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# creating the actor in that case
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{:ok, actor} <- ActivityPub.find_or_make_actor_from_nickname(name) do
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{:ok, [actor]}
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else
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false ->
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{:ok, []}
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# error fingering the actor
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{:error, err} ->
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{:error, err}
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end
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actors = [_ | _] ->
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# actors already saved found !
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{:ok, actors}
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end
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end
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@doc """
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Authenticate user
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"""
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def authenticate(%{user: user, password: password}) do
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# Does password match the one stored in the database?
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case Comeonin.Argon2.checkpw(password, user.password_hash) do
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true ->
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# Yes, create and return the token
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MobilizonWeb.Guardian.encode_and_sign(user)
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_ ->
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# No, return an error
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{:error, :unauthorized}
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end
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end
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@doc """
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Register user
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"""
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@spec register(map()) :: {:ok, Actor.t()} | {:error, String.t()}
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def register(%{email: email, password: password, username: username}) do
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key = :public_key.generate_key({:rsa, 2048, 65_537})
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entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
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pem = [entry] |> :public_key.pem_encode() |> String.trim_trailing()
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with avatar <- gravatar(email),
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actor_changeset <-
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Mobilizon.Actors.Actor.registration_changeset(%Mobilizon.Actors.Actor{}, %{
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preferred_username: username,
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domain: nil,
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keys: pem,
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avatar_url: avatar
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}),
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{:ok, %Mobilizon.Actors.Actor{} = actor} <- Mobilizon.Repo.insert(actor_changeset),
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user_changeset <-
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Mobilizon.Actors.User.registration_changeset(%Mobilizon.Actors.User{}, %{
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email: email,
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password: password,
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default_actor: actor
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}),
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{:ok, %Mobilizon.Actors.User{} = user} <- Mobilizon.Repo.insert(user_changeset) do
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{:ok, Map.put(actor, :user, user)}
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else
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{:error, %Ecto.Changeset{} = changeset} ->
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handle_actor_user_changeset(changeset)
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end
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end
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@spec gravatar(String.t()) :: String.t() | nil
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defp gravatar(nil), do: nil
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defp gravatar(email) do
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avatar_url = gravatar_url(email, default: "404")
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case HTTPoison.get(avatar_url) do
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{:ok, %HTTPoison.Response{status_code: 200}} ->
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avatar_url
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_ ->
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nil
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end
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end
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@spec handle_actor_user_changeset(Ecto.Changeset.t()) :: {:error, String.t()}
|
|
defp handle_actor_user_changeset(changeset) do
|
|
changeset =
|
|
Ecto.Changeset.traverse_errors(changeset, fn
|
|
{msg, _opts} -> msg
|
|
msg -> msg
|
|
end)
|
|
|
|
email_msg = Map.get(changeset, :email) || [:empty_email]
|
|
{:error, hd(email_msg)}
|
|
end
|
|
|
|
def register_bot_account(%{name: name, summary: summary}) do
|
|
key = :public_key.generate_key({:rsa, 2048, 65_537})
|
|
entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
|
|
pem = [entry] |> :public_key.pem_encode() |> String.trim_trailing()
|
|
|
|
actor =
|
|
Mobilizon.Actors.Actor.registration_changeset(%Mobilizon.Actors.Actor{}, %{
|
|
preferred_username: name,
|
|
domain: nil,
|
|
keys: pem,
|
|
summary: summary,
|
|
type: :Service
|
|
})
|
|
|
|
try do
|
|
Mobilizon.Repo.insert!(actor)
|
|
rescue
|
|
e in Ecto.InvalidChangesetError ->
|
|
{:error, e.changeset}
|
|
end
|
|
end
|
|
|
|
@doc """
|
|
Creates a user.
|
|
|
|
## Examples
|
|
|
|
iex> create_user(%{email: "test@test.tld"})
|
|
{:ok, %Mobilizon.Actors.User{}}
|
|
|
|
iex> create_user(%{email: "not an email"})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def create_user(attrs \\ %{}) do
|
|
%User{}
|
|
|> User.registration_changeset(attrs)
|
|
|> Repo.insert()
|
|
end
|
|
|
|
@doc """
|
|
Gets an user by it's email
|
|
|
|
## Examples
|
|
|
|
iex> get_user_by_email("test@test.tld", true)
|
|
{:ok, %Mobilizon.Actors.User{}}
|
|
|
|
iex> get_user_by_email("test@notfound.tld", false)
|
|
{:error, :user_not_found}
|
|
"""
|
|
def get_user_by_email(email, activated \\ nil) do
|
|
query =
|
|
case activated do
|
|
nil -> from(u in User, where: u.email == ^email)
|
|
true -> from(u in User, where: u.email == ^email and not is_nil(u.confirmed_at))
|
|
false -> from(u in User, where: u.email == ^email and is_nil(u.confirmed_at))
|
|
end
|
|
|
|
case Repo.one(query) do
|
|
nil -> {:error, :user_not_found}
|
|
user -> {:ok, user}
|
|
end
|
|
end
|
|
|
|
@spec get_user_by_activation_token(String.t()) :: Actor.t()
|
|
def get_user_by_activation_token(token) do
|
|
Repo.one(
|
|
from(u in User,
|
|
where: u.confirmation_token == ^token,
|
|
preload: [:default_actor]
|
|
)
|
|
)
|
|
end
|
|
|
|
@doc """
|
|
Updates a user.
|
|
|
|
## Examples
|
|
|
|
iex> update_user(User{}, %{password: "coucou"})
|
|
{:ok, %Mobilizon.Actors.User{}}
|
|
|
|
iex> update_user(User{}, %{password: nil})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def update_user(%User{} = user, attrs) do
|
|
user
|
|
|> User.changeset(attrs)
|
|
|> Repo.update()
|
|
end
|
|
|
|
@doc """
|
|
Deletes a User.
|
|
|
|
## Examples
|
|
|
|
iex> delete_user(%User{email: "test@test.tld"})
|
|
{:ok, %Mobilizon.Actors.User{}}
|
|
|
|
iex> delete_user(%User{})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def delete_user(%User{} = user) do
|
|
Repo.delete(user)
|
|
end
|
|
|
|
# @doc """
|
|
# Returns an `%Ecto.Changeset{}` for tracking user changes.
|
|
|
|
# ## Examples
|
|
|
|
# iex> change_user(%Mobilizon.Actors.User{})
|
|
# %Ecto.Changeset{data: %Mobilizon.Actors.User{}}
|
|
|
|
# """
|
|
# def change_user(%User{} = user) do
|
|
# User.changeset(user, %{})
|
|
# end
|
|
|
|
alias Mobilizon.Actors.Member
|
|
|
|
@doc """
|
|
Gets a single member.
|
|
|
|
Raises `Ecto.NoResultsError` if the Member does not exist.
|
|
|
|
## Examples
|
|
|
|
iex> get_member!(123)
|
|
%Mobilizon.Actors.Member{}
|
|
|
|
iex> get_member!(456)
|
|
** (Ecto.NoResultsError)
|
|
|
|
"""
|
|
def get_member!(id), do: Repo.get!(Member, id)
|
|
|
|
@doc """
|
|
Creates a member.
|
|
|
|
## Examples
|
|
|
|
iex> create_member(%{actor: %Actor{}})
|
|
{:ok, %Mobilizon.Actors.Member{}}
|
|
|
|
iex> create_member(%{actor: nil})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def create_member(attrs \\ %{}) do
|
|
with {:ok, %Member{} = member} <-
|
|
%Member{}
|
|
|> Member.changeset(attrs)
|
|
|> Repo.insert() do
|
|
{:ok, Repo.preload(member, [:actor, :parent])}
|
|
end
|
|
end
|
|
|
|
@doc """
|
|
Updates a member.
|
|
|
|
## Examples
|
|
|
|
iex> update_member(%Member{}, %{role: 3})
|
|
{:ok, %Mobilizon.Actors.Member{}}
|
|
|
|
iex> update_member(%Member{}, %{role: nil})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def update_member(%Member{} = member, attrs) do
|
|
member
|
|
|> Member.changeset(attrs)
|
|
|> Repo.update()
|
|
end
|
|
|
|
@doc """
|
|
Deletes a Member.
|
|
|
|
## Examples
|
|
|
|
iex> delete_member(%Member{})
|
|
{:ok, %Mobilizon.Actors.Member{}}
|
|
|
|
iex> delete_member(%Member{})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def delete_member(%Member{} = member) do
|
|
Repo.delete(member)
|
|
end
|
|
|
|
@doc """
|
|
Returns an `%Ecto.Changeset{}` for tracking member changes.
|
|
|
|
## Examples
|
|
|
|
iex> change_member(%Member{})
|
|
%Ecto.Changeset{data: %Mobilizon.Actors.Member{}}
|
|
|
|
"""
|
|
def change_member(%Member{} = member) do
|
|
Member.changeset(member, %{})
|
|
end
|
|
|
|
def groups_for_actor(%Actor{id: id} = _actor) do
|
|
Repo.all(
|
|
from(
|
|
m in Member,
|
|
where: m.actor_id == ^id,
|
|
preload: [:parent]
|
|
)
|
|
)
|
|
end
|
|
|
|
def members_for_group(%Actor{type: :Group, id: id} = _group) do
|
|
Repo.all(
|
|
from(
|
|
m in Member,
|
|
where: m.parent_id == ^id,
|
|
preload: [:parent, :actor]
|
|
)
|
|
)
|
|
end
|
|
|
|
alias Mobilizon.Actors.Bot
|
|
|
|
@doc """
|
|
Returns the list of bots.
|
|
|
|
## Examples
|
|
|
|
iex> list_bots()
|
|
[%Mobilizon.Actors.Bot{}]
|
|
|
|
"""
|
|
def list_bots do
|
|
Repo.all(Bot)
|
|
end
|
|
|
|
@doc """
|
|
Gets a single bot.
|
|
|
|
Raises `Ecto.NoResultsError` if the Bot does not exist.
|
|
|
|
## Examples
|
|
|
|
iex> get_bot!(123)
|
|
%Mobilizon.Actors.Bot{}
|
|
|
|
iex> get_bot!(456)
|
|
** (Ecto.NoResultsError)
|
|
|
|
"""
|
|
def get_bot!(id), do: Repo.get!(Bot, id)
|
|
|
|
@spec get_bot_by_actor(Actor.t()) :: Bot.t()
|
|
def get_bot_by_actor(%Actor{} = actor) do
|
|
Repo.get_by!(Bot, actor_id: actor.id)
|
|
end
|
|
|
|
@doc """
|
|
Creates a bot.
|
|
|
|
## Examples
|
|
|
|
iex> create_bot(%{source: "toto"})
|
|
{:ok, %Mobilizon.Actors.Bot{}}
|
|
|
|
iex> create_bot(%{source: nil})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def create_bot(attrs \\ %{}) do
|
|
%Bot{}
|
|
|> Bot.changeset(attrs)
|
|
|> Repo.insert()
|
|
end
|
|
|
|
@doc """
|
|
Updates a bot.
|
|
|
|
## Examples
|
|
|
|
iex> update_bot(%Bot{}, %{source: "new"})
|
|
{:ok, %Mobilizon.Actors.Bot{}}
|
|
|
|
iex> update_bot(%Bot{}, %{source: nil})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def update_bot(%Bot{} = bot, attrs) do
|
|
bot
|
|
|> Bot.changeset(attrs)
|
|
|> Repo.update()
|
|
end
|
|
|
|
@doc """
|
|
Deletes a Bot.
|
|
|
|
## Examples
|
|
|
|
iex> delete_bot(%Bot{})
|
|
{:ok, %Mobilizon.Actors.Bot{}}
|
|
|
|
iex> delete_bot(%Bot{})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def delete_bot(%Bot{} = bot) do
|
|
Repo.delete(bot)
|
|
end
|
|
|
|
@doc """
|
|
Returns an `%Ecto.Changeset{}` for tracking bot changes.
|
|
|
|
## Examples
|
|
|
|
iex> change_bot(%Bot{})
|
|
%Ecto.Changeset{data: %Mobilizon.Actors.Bot{}}
|
|
|
|
"""
|
|
def change_bot(%Bot{} = bot) do
|
|
Bot.changeset(bot, %{})
|
|
end
|
|
|
|
alias Mobilizon.Actors.Follower
|
|
|
|
@doc """
|
|
Gets a single follower.
|
|
|
|
Raises `Ecto.NoResultsError` if the Follower does not exist.
|
|
|
|
## Examples
|
|
|
|
iex> get_follower!(123)
|
|
%Mobilizon.Actors.Follower{}
|
|
|
|
iex> get_follower!(456)
|
|
** (Ecto.NoResultsError)
|
|
|
|
"""
|
|
def get_follower!(id) do
|
|
Repo.get!(Follower, id)
|
|
|> Repo.preload([:actor, :target_actor])
|
|
end
|
|
|
|
@doc """
|
|
Creates a follower.
|
|
|
|
## Examples
|
|
|
|
iex> create_follower(%{actor: %Actor{}})
|
|
{:ok, %Mobilizon.Actors.Follower{}}
|
|
|
|
iex> create_follower(%{actor: nil})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def create_follower(attrs \\ %{}) do
|
|
with {:ok, %Follower{} = follower} <-
|
|
%Follower{}
|
|
|> Follower.changeset(attrs)
|
|
|> Repo.insert() do
|
|
{:ok, Repo.preload(follower, [:actor, :target_actor])}
|
|
end
|
|
end
|
|
|
|
@doc """
|
|
Updates a follower.
|
|
|
|
## Examples
|
|
|
|
iex> update_follower(Follower{}, %{approved: true})
|
|
{:ok, %Mobilizon.Actors.Follower{}}
|
|
|
|
iex> update_follower(Follower{}, %{approved: nil})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def update_follower(%Follower{} = follower, attrs) do
|
|
follower
|
|
|> Follower.changeset(attrs)
|
|
|> Repo.update()
|
|
end
|
|
|
|
@doc """
|
|
Deletes a Follower.
|
|
|
|
## Examples
|
|
|
|
iex> delete_follower(Follower{})
|
|
{:ok, %Mobilizon.Actors.Follower{}}
|
|
|
|
iex> delete_follower(Follower{})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def delete_follower(%Follower{} = follower) do
|
|
Repo.delete(follower)
|
|
end
|
|
|
|
@doc """
|
|
Returns an `%Ecto.Changeset{}` for tracking follower changes.
|
|
|
|
## Examples
|
|
|
|
iex> change_follower(Follower{})
|
|
%Ecto.Changeset{data: %Mobilizon.Actors.Follower{}}
|
|
|
|
"""
|
|
def change_follower(%Follower{} = follower) do
|
|
Follower.changeset(follower, %{})
|
|
end
|
|
end
|