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[#1335] Refactored UserMute and UserBlock into UserRelationship, introduced EctoEnum.

This commit is contained in:
Ivan Tashkinov 2019-11-18 20:38:56 +03:00
parent 01d9c093c3
commit aad6576130
15 changed files with 239 additions and 317 deletions

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@ -0,0 +1,7 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
import EctoEnum
defenum(UserRelationshipTypeEnum, block: 1, mute: 2, reblog_mute: 3, notification_mute: 4)

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@ -22,8 +22,7 @@ defmodule Pleroma.User do
alias Pleroma.Repo
alias Pleroma.RepoStreamer
alias Pleroma.User
alias Pleroma.UserBlock
alias Pleroma.UserMute
alias Pleroma.UserRelationship
alias Pleroma.Web
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.Utils
@ -78,7 +77,6 @@ defmodule Pleroma.User do
field(:confirmation_token, :string, default: nil)
field(:default_scope, :string, default: "public")
field(:domain_blocks, {:array, :string}, default: [])
field(:mutes, {:array, :string}, default: [])
field(:muted_reblogs, {:array, :string}, default: [])
field(:muted_notifications, {:array, :string}, default: [])
field(:subscribers, {:array, :string}, default: [])
@ -121,20 +119,41 @@ defmodule Pleroma.User do
has_many(:registrations, Registration)
has_many(:deliveries, Delivery)
has_many(:blocker_blocks, UserBlock, foreign_key: :blocker_id)
has_many(:blockee_blocks, UserBlock, foreign_key: :blockee_id)
has_many(:blocked_users, through: [:blocker_blocks, :blockee])
has_many(:blocker_users, through: [:blockee_blocks, :blocker])
has_many(:outgoing_relationships, UserRelationship, foreign_key: :source_id)
has_many(:incoming_relationships, UserRelationship, foreign_key: :target_id)
has_many(:muter_mutes, UserMute, foreign_key: :muter_id)
has_many(:mutee_mutes, UserMute, foreign_key: :mutee_id)
has_many(:muted_users, through: [:muter_mutes, :mutee])
has_many(:muter_users, through: [:mutee_mutes, :muter])
has_many(:blocker_blocks, UserRelationship,
foreign_key: :source_id,
where: [relationship_type: :block]
)
has_many(:blockee_blocks, UserRelationship,
foreign_key: :target_id,
where: [relationship_type: :block]
)
has_many(:blocked_users, through: [:blocker_blocks, :target])
has_many(:blocker_users, through: [:blockee_blocks, :source])
has_many(:muter_mutes, UserRelationship,
foreign_key: :source_id,
where: [relationship_type: :mute]
)
has_many(:mutee_mutes, UserRelationship,
foreign_key: :target_id,
where: [relationship_type: :mute]
)
has_many(:muted_users, through: [:muter_mutes, :target])
has_many(:muter_users, through: [:mutee_mutes, :source])
field(:info, :map, default: %{})
# `:blocks` is deprecated (replaced with `blocked_users` relation)
field(:blocks, {:array, :string}, default: [])
# `:mutes` is deprecated (replaced with `muted_users` relation)
field(:mutes, {:array, :string}, default: [])
timestamps()
end
@ -1054,7 +1073,7 @@ def mutes?(nil, _), do: false
def mutes?(%User{} = user, %User{} = target), do: mutes_user?(user, target)
def mutes_user?(%User{} = user, %User{} = target) do
UserMute.exists?(user, target)
UserRelationship.mute_exists?(user, target)
end
@spec muted_notifications?(User.t() | nil, User.t() | map()) :: boolean()
@ -1070,7 +1089,7 @@ def blocks?(%User{} = user, %User{} = target) do
end
def blocks_user?(%User{} = user, %User{} = target) do
UserBlock.exists?(user, target)
UserRelationship.block_exists?(user, target)
end
def blocks_user?(_, _), do: false
@ -1119,33 +1138,20 @@ def blocked_ap_ids(user) do
|> Repo.all()
end
defp related_ap_ids_sql(join_table, source_column, target_column) do
"(SELECT array_agg(u.ap_id) FROM users as u " <>
"INNER JOIN #{join_table} AS join_table " <>
"ON join_table.#{source_column} = $1 " <>
"WHERE u.id = join_table.#{target_column})"
end
@related_ap_ids_sql_params %{
blocked_users: ["user_blocks", "blocker_id", "blockee_id"],
muted_users: ["user_mutes", "muter_id", "mutee_id"]
}
def related_ap_ids(user, relations) when is_list(relations) do
query =
relations
|> Enum.map(fn r -> @related_ap_ids_sql_params[r] end)
|> Enum.filter(& &1)
|> Enum.map(fn [join_table, source_column, target_column] ->
related_ap_ids_sql(join_table, source_column, target_column)
end)
|> Enum.join(", ")
with {:ok, %{rows: [ap_ids_arrays]}} <-
Repo.query("SELECT #{query}", [FlakeId.from_string(user.id)]) do
ap_ids_arrays = Enum.map(ap_ids_arrays, &(&1 || []))
{:ok, ap_ids_arrays}
end
@doc """
Returns map of related AP IDs list by relation type.
E.g. `related_ap_ids(user, [:blocks])` -> `%{blocks: ["https://some.site/users/userapid"]}`
"""
@spec related_ap_ids(User.t(), list(atom())) :: %{atom() => list(String.t())}
def related_ap_ids(%User{} = user, relationship_types) when is_list(relationship_types) do
user
|> assoc(:outgoing_relationships)
|> join(:inner, [user_rel], u in assoc(user_rel, :target))
|> where([user_rel, u], user_rel.relationship_type in ^relationship_types)
|> select([user_rel, u], [user_rel.relationship_type, fragment("array_agg(?)", u.ap_id)])
|> group_by([user_rel, u], user_rel.relationship_type)
|> Repo.all()
|> Enum.into(%{}, fn [k, v] -> {k, v} end)
end
@spec subscribers(User.t()) :: [User.t()]
@ -1918,19 +1924,20 @@ def unblock_domain(user, domain_blocked) do
set_domain_blocks(user, List.delete(user.domain_blocks, domain_blocked))
end
@spec add_to_block(User.t(), User.t()) :: {:ok, UserBlock.t()} | {:error, Ecto.Changeset.t()}
@spec add_to_block(User.t(), User.t()) ::
{:ok, UserRelationship.t()} | {:error, Ecto.Changeset.t()}
defp add_to_block(%User{} = user, %User{} = blocked) do
UserBlock.create(user, blocked)
UserRelationship.create_block(user, blocked)
end
@spec add_to_block(User.t(), User.t()) ::
{:ok, UserBlock.t()} | {:ok, nil} | {:error, Ecto.Changeset.t()}
{:ok, UserRelationship.t()} | {:ok, nil} | {:error, Ecto.Changeset.t()}
defp remove_from_block(%User{} = user, %User{} = blocked) do
UserBlock.delete(user, blocked)
UserRelationship.delete_block(user, blocked)
end
defp add_to_mutes(%User{} = user, %User{ap_id: ap_id} = muted_user, notifications?) do
with {:ok, user_mute} <- UserMute.create(user, muted_user),
with {:ok, user_mute} <- UserRelationship.create_mute(user, muted_user),
{:ok, _user} <-
set_notification_mutes(
user,
@ -1942,7 +1949,7 @@ defp add_to_mutes(%User{} = user, %User{ap_id: ap_id} = muted_user, notification
end
defp remove_from_mutes(user, %User{ap_id: ap_id} = muted_user) do
with {:ok, user_mute} <- UserMute.delete(user, muted_user),
with {:ok, user_mute} <- UserRelationship.delete_mute(user, muted_user),
{:ok, _user} <-
set_notification_mutes(
user,

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@ -100,11 +100,11 @@ defp base_query(user, true), do: User.get_followers_query(user)
defp filter_blocked_user(query, %User{} = blocker) do
query
|> join(:left, [u], b in Pleroma.UserBlock,
|> join(:left, [u], b in Pleroma.UserRelationship,
as: :blocks,
on: b.blocker_id == ^blocker.id and u.id == b.blockee_id
on: b.relationship_type == ^:block and b.source_id == ^blocker.id and u.id == b.target_id
)
|> where([blocks: b], is_nil(b.blockee_id))
|> where([blocks: b], is_nil(b.target_id))
end
defp filter_blocked_user(query, _), do: query

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@ -1,71 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.UserBlock do
use Ecto.Schema
import Ecto.Changeset
import Ecto.Query
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.UserBlock
schema "user_blocks" do
belongs_to(:blocker, User, type: FlakeId.Ecto.CompatType)
belongs_to(:blockee, User, type: FlakeId.Ecto.CompatType)
timestamps(updated_at: false)
end
def changeset(%UserBlock{} = user_block, params \\ %{}) do
user_block
|> cast(params, [:blocker_id, :blockee_id])
|> validate_required([:blocker_id, :blockee_id])
|> unique_constraint(:blockee_id, name: :user_blocks_blocker_id_blockee_id_index)
|> validate_not_self_block()
end
def exists?(%User{} = blocker, %User{} = blockee) do
UserBlock
|> where(blocker_id: ^blocker.id, blockee_id: ^blockee.id)
|> Repo.exists?()
end
def create(%User{} = blocker, %User{} = blockee) do
%UserBlock{}
|> changeset(%{blocker_id: blocker.id, blockee_id: blockee.id})
|> Repo.insert(
on_conflict: :replace_all_except_primary_key,
conflict_target: [:blocker_id, :blockee_id]
)
end
def delete(%User{} = blocker, %User{} = blockee) do
attrs = %{blocker_id: blocker.id, blockee_id: blockee.id}
case Repo.get_by(UserBlock, attrs) do
%UserBlock{} = existing_record -> Repo.delete(existing_record)
nil -> {:ok, nil}
end
end
defp validate_not_self_block(%Ecto.Changeset{} = changeset) do
changeset
|> validate_change(:blockee_id, fn _, blockee_id ->
if blockee_id == get_field(changeset, :blocker_id) do
[blockee_id: "can't be equal to blocker_id"]
else
[]
end
end)
|> validate_change(:blocker_id, fn _, blocker_id ->
if blocker_id == get_field(changeset, :blockee_id) do
[blocker_id: "can't be equal to blockee_id"]
else
[]
end
end)
end
end

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@ -1,71 +0,0 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.UserMute do
use Ecto.Schema
import Ecto.Changeset
import Ecto.Query
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.UserMute
schema "user_mutes" do
belongs_to(:muter, User, type: FlakeId.Ecto.CompatType)
belongs_to(:mutee, User, type: FlakeId.Ecto.CompatType)
timestamps(updated_at: false)
end
def changeset(%UserMute{} = user_mute, params \\ %{}) do
user_mute
|> cast(params, [:muter_id, :mutee_id])
|> validate_required([:muter_id, :mutee_id])
|> unique_constraint(:mutee_id, name: :user_mutes_muter_id_mutee_id_index)
|> validate_not_self_mute()
end
def exists?(%User{} = muter, %User{} = mutee) do
UserMute
|> where(muter_id: ^muter.id, mutee_id: ^mutee.id)
|> Repo.exists?()
end
def create(%User{} = muter, %User{} = mutee) do
%UserMute{}
|> changeset(%{muter_id: muter.id, mutee_id: mutee.id})
|> Repo.insert(
on_conflict: :replace_all_except_primary_key,
conflict_target: [:muter_id, :mutee_id]
)
end
def delete(%User{} = muter, %User{} = mutee) do
attrs = %{muter_id: muter.id, mutee_id: mutee.id}
case Repo.get_by(UserMute, attrs) do
%UserMute{} = existing_record -> Repo.delete(existing_record)
nil -> {:ok, nil}
end
end
defp validate_not_self_mute(%Ecto.Changeset{} = changeset) do
changeset
|> validate_change(:mutee_id, fn _, mutee_id ->
if mutee_id == get_field(changeset, :muter_id) do
[mutee_id: "can't be equal to muter_id"]
else
[]
end
end)
|> validate_change(:muter_id, fn _, muter_id ->
if muter_id == get_field(changeset, :mutee_id) do
[muter_id: "can't be equal to mutee_id"]
else
[]
end
end)
end
end

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@ -0,0 +1,90 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.UserRelationship do
use Ecto.Schema
import Ecto.Changeset
import Ecto.Query
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.UserRelationship
schema "user_relationships" do
belongs_to(:source, User, type: FlakeId.Ecto.CompatType)
belongs_to(:target, User, type: FlakeId.Ecto.CompatType)
field(:relationship_type, UserRelationshipTypeEnum)
timestamps(updated_at: false)
end
def changeset(%UserRelationship{} = user_relationship, params \\ %{}) do
user_relationship
|> cast(params, [:relationship_type, :source_id, :target_id])
|> validate_required([:relationship_type, :source_id, :target_id])
|> unique_constraint(:relationship_type,
name: :user_relationships_source_id_relationship_type_target_id_index
)
|> validate_not_self_relationship()
end
def exists?(relationship_type, %User{} = source, %User{} = target) do
UserRelationship
|> where(relationship_type: ^relationship_type, source_id: ^source.id, target_id: ^target.id)
|> Repo.exists?()
end
def block_exists?(%User{} = blocker, %User{} = blockee), do: exists?(:block, blocker, blockee)
def mute_exists?(%User{} = muter, %User{} = mutee), do: exists?(:mute, muter, mutee)
def create(relationship_type, %User{} = source, %User{} = target) do
%UserRelationship{}
|> changeset(%{
relationship_type: relationship_type,
source_id: source.id,
target_id: target.id
})
|> Repo.insert(
on_conflict: :replace_all_except_primary_key,
conflict_target: [:source_id, :relationship_type, :target_id]
)
end
def create_block(%User{} = blocker, %User{} = blockee), do: create(:block, blocker, blockee)
def create_mute(%User{} = muter, %User{} = mutee), do: create(:mute, muter, mutee)
def delete(relationship_type, %User{} = source, %User{} = target) do
attrs = %{relationship_type: relationship_type, source_id: source.id, target_id: target.id}
case Repo.get_by(UserRelationship, attrs) do
%UserRelationship{} = existing_record -> Repo.delete(existing_record)
nil -> {:ok, nil}
end
end
def delete_block(%User{} = blocker, %User{} = blockee), do: delete(:block, blocker, blockee)
def delete_mute(%User{} = muter, %User{} = mutee), do: delete(:mute, muter, mutee)
defp validate_not_self_relationship(%Ecto.Changeset{} = changeset) do
changeset
|> validate_change(:target_id, fn _, target_id ->
if target_id == get_field(changeset, :source_id) do
[target_id: "can't be equal to source_id"]
else
[]
end
end)
|> validate_change(:source_id, fn _, source_id ->
if source_id == get_field(changeset, :target_id) do
[source_id: "can't be equal to target_id"]
else
[]
end
end)
end
end

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@ -129,7 +129,9 @@ defp do_stream(%{topic: topic, item: item}) do
end
defp should_send?(%User{} = user, %Activity{} = item) do
{:ok, [blocks, mutes]} = User.related_ap_ids(user, [:blocked_users, :muted_users])
related_ap_ids = User.related_ap_ids(user, [:block, :mute])
blocks = related_ap_ids[:block] || []
mutes = related_ap_ids[:mute] || []
reblog_mutes = user.muted_reblogs || []
recipient_blocks = MapSet.new(blocks ++ mutes)
recipients = MapSet.new(item.recipients)

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@ -100,6 +100,7 @@ defp deps do
{:plug_cowboy, "~> 2.0"},
{:phoenix_pubsub, "~> 1.1"},
{:phoenix_ecto, "~> 4.0"},
{:ecto_enum, "~> 1.4"},
{:ecto_sql, "~> 3.2"},
{:postgrex, ">= 0.13.5"},
{:oban, "~> 0.8.1"},

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@ -24,6 +24,7 @@
"deep_merge": {:hex, :deep_merge, "1.0.0", "b4aa1a0d1acac393bdf38b2291af38cb1d4a52806cf7a4906f718e1feb5ee961", [:mix], [], "hexpm"},
"earmark": {:hex, :earmark, "1.4.2", "3aa0bd23bc4c61cf2f1e5d752d1bb470560a6f8539974f767a38923bb20e1d7f", [:mix], [], "hexpm"},
"ecto": {:hex, :ecto, "3.2.3", "51274df79862845b388733fddcf6f107d0c8c86e27abe7131fa98f8d30761bda", [:mix], [{:decimal, "~> 1.6", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm"},
"ecto_enum": {:hex, :ecto_enum, "1.4.0", "d14b00e04b974afc69c251632d1e49594d899067ee2b376277efd8233027aec8", [:mix], [{:ecto, ">= 3.0.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:ecto_sql, "> 3.0.0", [hex: :ecto_sql, repo: "hexpm", optional: false]}, {:mariaex, ">= 0.0.0", [hex: :mariaex, repo: "hexpm", optional: true]}, {:postgrex, ">= 0.0.0", [hex: :postgrex, repo: "hexpm", optional: true]}], "hexpm"},
"ecto_sql": {:hex, :ecto_sql, "3.2.0", "751cea597e8deb616084894dd75cbabfdbe7255ff01e8c058ca13f0353a3921b", [:mix], [{:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.2.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.2.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.15.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm"},
"esshd": {:hex, :esshd, "0.1.0", "6f93a2062adb43637edad0ea7357db2702a4b80dd9683482fe00f5134e97f4c1", [:mix], [], "hexpm"},
"eternal": {:hex, :eternal, "1.2.1", "d5b6b2499ba876c57be2581b5b999ee9bdf861c647401066d3eeed111d096bc4", [:mix], [], "hexpm"},

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@ -1,14 +0,0 @@
defmodule Pleroma.Repo.Migrations.CreateUserBlocks do
use Ecto.Migration
def change do
create_if_not_exists table(:user_blocks) do
add(:blocker_id, references(:users, type: :uuid, on_delete: :delete_all))
add(:blockee_id, references(:users, type: :uuid, on_delete: :delete_all))
timestamps(updated_at: false)
end
create_if_not_exists(unique_index(:user_blocks, [:blocker_id, :blockee_id]))
end
end

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@ -1,49 +0,0 @@
defmodule Pleroma.Repo.Migrations.DataMigrationPopulateUserBlocks do
use Ecto.Migration
alias Ecto.Adapters.SQL
alias Pleroma.Repo
require Logger
def up do
{:ok, %{rows: block_rows}} =
SQL.query(Repo, "SELECT id, blocks FROM users WHERE blocks != '{}'")
blockee_ap_ids =
Enum.flat_map(
block_rows,
fn [_, ap_ids] -> ap_ids end
)
|> Enum.uniq()
# Selecting ids of all blockees at once in order to reduce the number of SELECT queries
{:ok, %{rows: blockee_ap_id_id}} =
SQL.query(Repo, "SELECT ap_id, id FROM users WHERE ap_id = ANY($1)", [blockee_ap_ids])
blockee_id_by_ap_id = Enum.into(blockee_ap_id_id, %{}, fn [k, v] -> {k, v} end)
Enum.each(
block_rows,
fn [blocker_id, blockee_ap_ids] ->
blocker_uuid = Ecto.UUID.cast!(blocker_id)
for blockee_ap_id <- blockee_ap_ids do
blockee_id = blockee_id_by_ap_id[blockee_ap_id]
with {:ok, blockee_uuid} <- blockee_id && Ecto.UUID.cast(blockee_id) do
execute(
"INSERT INTO user_blocks(blocker_id, blockee_id, inserted_at) " <>
"VALUES('#{blocker_uuid}'::uuid, '#{blockee_uuid}'::uuid, now()) " <>
"ON CONFLICT (blocker_id, blockee_id) DO NOTHING"
)
else
_ -> Logger.warn("Missing reference: (#{blocker_uuid}, #{blockee_id})")
end
end
end
)
end
def down, do: :noop
end

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@ -1,14 +0,0 @@
defmodule Pleroma.Repo.Migrations.CreateUserMutes do
use Ecto.Migration
def change do
create_if_not_exists table(:user_mutes) do
add(:muter_id, references(:users, type: :uuid, on_delete: :delete_all))
add(:mutee_id, references(:users, type: :uuid, on_delete: :delete_all))
timestamps(updated_at: false)
end
create_if_not_exists(unique_index(:user_mutes, [:muter_id, :mutee_id]))
end
end

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@ -1,48 +0,0 @@
defmodule Pleroma.Repo.Migrations.DataMigrationPopulateUserMutes do
use Ecto.Migration
alias Ecto.Adapters.SQL
alias Pleroma.Repo
require Logger
def up do
{:ok, %{rows: mute_rows}} = SQL.query(Repo, "SELECT id, mutes FROM users WHERE mutes != '{}'")
mutee_ap_ids =
Enum.flat_map(
mute_rows,
fn [_, ap_ids] -> ap_ids end
)
|> Enum.uniq()
# Selecting ids of all mutees at once in order to reduce the number of SELECT queries
{:ok, %{rows: mutee_ap_id_id}} =
SQL.query(Repo, "SELECT ap_id, id FROM users WHERE ap_id = ANY($1)", [mutee_ap_ids])
mutee_id_by_ap_id = Enum.into(mutee_ap_id_id, %{}, fn [k, v] -> {k, v} end)
Enum.each(
mute_rows,
fn [muter_id, mutee_ap_ids] ->
muter_uuid = Ecto.UUID.cast!(muter_id)
for mutee_ap_id <- mutee_ap_ids do
mutee_id = mutee_id_by_ap_id[mutee_ap_id]
with {:ok, mutee_uuid} <- mutee_id && Ecto.UUID.cast(mutee_id) do
execute(
"INSERT INTO user_mutes(muter_id, mutee_id, inserted_at) " <>
"VALUES('#{muter_uuid}'::uuid, '#{mutee_uuid}'::uuid, now()) " <>
"ON CONFLICT (muter_id, mutee_id) DO NOTHING"
)
else
_ -> Logger.warn("Missing reference: (#{muter_uuid}, #{mutee_id})")
end
end
end
)
end
def down, do: :noop
end

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@ -0,0 +1,17 @@
defmodule Pleroma.Repo.Migrations.CreateUserRelationships do
use Ecto.Migration
def change do
create_if_not_exists table(:user_relationships) do
add(:source_id, references(:users, type: :uuid, on_delete: :delete_all))
add(:target_id, references(:users, type: :uuid, on_delete: :delete_all))
add(:relationship_type, :integer, null: false)
timestamps(updated_at: false)
end
create_if_not_exists(
unique_index(:user_relationships, [:source_id, :relationship_type, :target_id])
)
end
end

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@ -0,0 +1,64 @@
defmodule Pleroma.Repo.Migrations.DataMigrationPopulateUserRelationships do
use Ecto.Migration
alias Ecto.Adapters.SQL
alias Pleroma.Repo
require Logger
def up do
Enum.each(
[blocks: 1, mutes: 2, muted_reblogs: 3, muted_notifications: 4],
fn {field, relationship_type_code} ->
migrate(field, relationship_type_code)
end
)
end
def down, do: :noop
defp migrate(field, relationship_type_code) do
Logger.info("Processing users.#{field}...")
{:ok, %{rows: field_rows}} =
SQL.query(Repo, "SELECT id, #{field} FROM users WHERE #{field} != '{}'")
target_ap_ids =
Enum.flat_map(
field_rows,
fn [_, ap_ids] -> ap_ids end
)
|> Enum.uniq()
# Selecting ids of all targets at once in order to reduce the number of SELECT queries
{:ok, %{rows: target_ap_id_id}} =
SQL.query(Repo, "SELECT ap_id, id FROM users WHERE ap_id = ANY($1)", [target_ap_ids])
target_id_by_ap_id = Enum.into(target_ap_id_id, %{}, fn [k, v] -> {k, v} end)
Enum.each(
field_rows,
fn [source_id, target_ap_ids] ->
source_uuid = Ecto.UUID.cast!(source_id)
for target_ap_id <- target_ap_ids do
target_id = target_id_by_ap_id[target_ap_id]
with {:ok, target_uuid} <- target_id && Ecto.UUID.cast(target_id) do
execute("""
INSERT INTO user_relationships(
source_id, target_id, relationship_type, inserted_at
)
VALUES(
'#{source_uuid}'::uuid, '#{target_uuid}'::uuid, #{relationship_type_code}, now()
)
ON CONFLICT (source_id, relationship_type, target_id) DO NOTHING
""")
else
_ -> Logger.warn("Unresolved #{field} reference: (#{source_uuid}, #{target_id})")
end
end
end
)
end
end