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321 lines
9 KiB
Elixir
321 lines
9 KiB
Elixir
defmodule Pleroma.User do
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use Ecto.Schema
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import Ecto.{Changeset, Query}
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alias Pleroma.{Repo, User, Object, Web, Activity, Notification}
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alias Comeonin.Pbkdf2
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alias Pleroma.Web.{OStatus, Websub}
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alias Pleroma.Web.ActivityPub.ActivityPub
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alias Pleroma.Web.ActivityPub.Utils
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schema "users" do
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field :bio, :string
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field :email, :string
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field :name, :string
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field :nickname, :string
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field :password_hash, :string
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field :password, :string, virtual: true
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field :password_confirmation, :string, virtual: true
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field :following, {:array, :string}, default: []
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field :ap_id, :string
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field :avatar, :map
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field :local, :boolean, default: true
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field :info, :map, default: %{}
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field :follower_address, :string
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has_many :notifications, Notification
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timestamps()
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end
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def avatar_url(user) do
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case user.avatar do
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%{"url" => [%{"href" => href} | _]} -> href
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_ -> "https://placehold.it/48x48"
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end
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end
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def banner_url(user) do
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case user.info["banner"] do
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%{"url" => [%{"href" => href} | _]} -> href
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_ -> nil
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end
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end
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def ap_id(%User{nickname: nickname}) do
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"#{Web.base_url}/users/#{nickname}"
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end
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def ap_followers(%User{} = user) do
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"#{ap_id(user)}/followers"
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end
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def follow_changeset(struct, params \\ %{}) do
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struct
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|> cast(params, [:following])
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|> validate_required([:following])
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end
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def info_changeset(struct, params \\ %{}) do
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struct
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|> cast(params, [:info])
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|> validate_required([:info])
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end
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def user_info(%User{} = user) do
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%{
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following_count: length(user.following),
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note_count: user.info["note_count"] || 0,
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follower_count: user.info["follower_count"] || 0
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}
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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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def remote_user_creation(params) do
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changes = %User{}
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|> cast(params, [:bio, :name, :ap_id, :nickname, :info, :avatar])
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|> validate_required([:name, :ap_id, :nickname])
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|> unique_constraint(:nickname)
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|> validate_format(:nickname, @email_regex)
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|> validate_length(:bio, max: 5000)
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|> validate_length(:name, max: 100)
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|> put_change(:local, false)
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if changes.valid? do
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followers = User.ap_followers(%User{nickname: changes.changes[:nickname]})
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changes
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|> put_change(:follower_address, followers)
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else
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changes
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end
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end
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def update_changeset(struct, params \\ %{}) do
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changeset = struct
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|> cast(params, [:bio, :name])
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|> unique_constraint(:nickname)
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|> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
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|> validate_length(:bio, min: 1, max: 1000)
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|> validate_length(:name, min: 1, max: 100)
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end
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def password_update_changeset(struct, params) do
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changeset = struct
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|> cast(params, [:password, :password_confirmation])
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|> validate_required([:password, :password_confirmation])
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|> validate_confirmation(:password)
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if changeset.valid? do
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hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
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changeset
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|> put_change(:password_hash, hashed)
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else
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changeset
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end
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end
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def reset_password(user, data) do
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Repo.update(password_update_changeset(user, data))
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end
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def register_changeset(struct, params \\ %{}) do
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changeset = struct
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|> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
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|> validate_required([:bio, :email, :name, :nickname, :password, :password_confirmation])
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|> validate_confirmation(:password)
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|> unique_constraint(:email)
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|> unique_constraint(:nickname)
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|> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
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|> validate_format(:email, @email_regex)
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|> validate_length(:bio, min: 1, max: 1000)
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|> validate_length(:name, min: 1, max: 100)
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if changeset.valid? do
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hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
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ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
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followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
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changeset
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|> put_change(:password_hash, hashed)
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|> put_change(:ap_id, ap_id)
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|> put_change(:following, [followers])
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|> put_change(:follower_address, followers)
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else
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changeset
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end
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end
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def follow(%User{} = follower, %User{} = followed) do
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ap_followers = followed.follower_address
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if following?(follower, followed) do
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{:error,
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"Could not follow user: #{followed.nickname} is already on your list."}
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else
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if !followed.local && follower.local do
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Websub.subscribe(follower, followed)
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end
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following = [ap_followers | follower.following]
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|> Enum.uniq
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follower = follower
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|> follow_changeset(%{following: following})
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|> Repo.update
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{:ok, followed} = update_follower_count(followed)
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follower
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end
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end
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def unfollow(%User{} = follower, %User{} = followed) do
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ap_followers = followed.follower_address
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if following?(follower, followed) do
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following = follower.following
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|> List.delete(ap_followers)
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{ :ok, follower } = follower
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|> follow_changeset(%{following: following})
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|> Repo.update
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{:ok, followed} = update_follower_count(followed)
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{:ok, follower, Utils.fetch_latest_follow(follower, followed)}
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else
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{:error, "Not subscribed!"}
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end
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end
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def following?(%User{} = follower, %User{} = followed) do
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Enum.member?(follower.following, followed.follower_address)
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end
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def get_by_ap_id(ap_id) do
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Repo.get_by(User, ap_id: ap_id)
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end
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def get_cached_by_ap_id(ap_id) do
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key = "ap_id:#{ap_id}"
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Cachex.get!(:user_cache, key, fallback: fn(_) -> get_by_ap_id(ap_id) end)
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end
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def get_cached_by_nickname(nickname) do
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key = "nickname:#{nickname}"
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Cachex.get!(:user_cache, key, fallback: fn(_) -> get_or_fetch_by_nickname(nickname) end)
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end
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def get_by_nickname(nickname) do
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Repo.get_by(User, nickname: nickname)
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end
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def get_cached_user_info(user) do
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key = "user_info:#{user.id}"
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Cachex.get!(:user_cache, key, fallback: fn(_) -> user_info(user) end)
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end
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def get_or_fetch_by_nickname(nickname) do
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with %User{} = user <- get_by_nickname(nickname) do
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user
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else _e ->
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with [nick, domain] <- String.split(nickname, "@"),
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{:ok, user} <- OStatus.make_user(nickname) do
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user
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else _e -> nil
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end
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end
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end
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# TODO: these queries could be more efficient if the type in postgresql wasn't map, but array.
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def get_followers(%User{id: id, follower_address: follower_address}) do
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q = from u in User,
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where: fragment("? @> ?", u.following, ^follower_address ),
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where: u.id != ^id
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{:ok, Repo.all(q)}
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end
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def get_friends(%User{id: id, following: following}) do
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q = from u in User,
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where: u.follower_address in ^following,
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where: u.id != ^id
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{:ok, Repo.all(q)}
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end
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def increase_note_count(%User{} = user) do
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note_count = (user.info["note_count"] || 0) + 1
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new_info = Map.put(user.info, "note_count", note_count)
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cs = info_changeset(user, %{info: new_info})
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Repo.update(cs)
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end
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def update_note_count(%User{} = user) do
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note_count_query = from a in Object,
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where: fragment("?->>'actor' = ? and ?->>'type' = 'Note'", a.data, ^user.ap_id, a.data),
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select: count(a.id)
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note_count = Repo.one(note_count_query)
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new_info = Map.put(user.info, "note_count", note_count)
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cs = info_changeset(user, %{info: new_info})
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Repo.update(cs)
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end
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def update_follower_count(%User{} = user) do
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follower_count_query = from u in User,
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where: fragment("? @> ?", u.following, ^user.follower_address),
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select: count(u.id)
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follower_count = Repo.one(follower_count_query)
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new_info = Map.put(user.info, "follower_count", follower_count)
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cs = info_changeset(user, %{info: new_info})
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Repo.update(cs)
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end
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def get_notified_from_activity(%Activity{data: %{"to" => to}} = activity) do
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query = from u in User,
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where: u.ap_id in ^to,
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where: u.local == true
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Repo.all(query)
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end
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def search(query, resolve) do
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if resolve do
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User.get_or_fetch_by_nickname(query)
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end
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q = from u in User,
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where: fragment("(to_tsvector('english', ?) || to_tsvector('english', ?)) @@ plainto_tsquery('english', ?)", u.nickname, u.name, ^query),
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limit: 20
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Repo.all(q)
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end
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def block(user, %{ap_id: ap_id}) do
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blocks = user.info["blocks"] || []
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new_blocks = Enum.uniq([ap_id | blocks])
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new_info = Map.put(user.info, "blocks", new_blocks)
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cs = User.info_changeset(user, %{info: new_info})
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Repo.update(cs)
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end
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def unblock(user, %{ap_id: ap_id}) do
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blocks = user.info["blocks"] || []
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new_blocks = List.delete(blocks, ap_id)
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new_info = Map.put(user.info, "blocks", new_blocks)
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cs = User.info_changeset(user, %{info: new_info})
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Repo.update(cs)
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end
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def blocks?(user, %{ap_id: ap_id}) do
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blocks = user.info["blocks"] || []
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Enum.member?(blocks, ap_id)
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end
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end
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