pitchum/debianize-mobilizon
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fix(backend): fix config cache not being used everytime

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When loading a page, we inject various meta tags in the HTML. These made database calls everytime

Signed-off-by: Thomas Citharel <tcit@tcit.fr>
This commit is contained in:
Thomas Citharel 2023-08-17 13:16:58 +02:00
parent a6721ec4ae
commit ed3cd5858c
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GPG Key ID: A061B9DDE0CA0773
4 changed files with 100 additions and 64 deletions
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1
lib/graphql/resolvers/admin.ex
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@ -273,7 +273,6 @@ defmodule Mobilizon.GraphQL.Resolvers.Admin do
|> Enum.into(%{}),
:ok <- eventually_update_instance_actor(res) do
Config.clear_config_cache()
Cachex.put(:config, :admin_config, res)
{:ok, res}
end

5
lib/mobilizon/admin/admin.ex
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@ -78,6 +78,11 @@ defmodule Mobilizon.Admin do
defp stringify_struct(struct), do: struct
@spec get_all_admin_settings :: list(Setting.t())
def get_all_admin_settings do
Repo.all(Setting)
end
@spec get_admin_setting_value(String.t(), String.t(), String.t() | nil) ::
String.t() | boolean() | nil | map() | list()
def get_admin_setting_value(group, name, fallback \\ nil)

97
lib/mobilizon/config.ex
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@ -4,6 +4,7 @@ defmodule Mobilizon.Config do
"""
alias Mobilizon.Actors
alias Mobilizon.Admin.Setting
alias Mobilizon.Service.GitStatus
require Logger
import Mobilizon.Service.Export.Participants.Common, only: [enabled_formats: 0]
@ -28,10 +29,67 @@ defmodule Mobilizon.Config do
@spec instance_config :: mobilizon_config
def instance_config, do: Application.get_env(:mobilizon, :instance)
@spec db_instance_config :: list(Setting.t())
def db_instance_config, do: Mobilizon.Admin.get_all_admin_settings()
@spec config_cache :: map()
def config_cache do
case Cachex.fetch(:config, :all_db_config, fn _key ->
value =
Enum.reduce(
Mobilizon.Admin.get_all_admin_settings(),
%{},
&arrange_values/2
)
{:commit, value}
end) do
{status, value} when status in [:ok, :commit] -> value
_err -> %{}
end
end
@spec arrange_values(Setting.t(), map()) :: map()
defp arrange_values(setting, acc) do
{_, new_data} =
Map.get_and_update(acc, setting.group, fn current_value ->
new_value = current_value || %{}
{current_value, Map.put(new_value, setting.name, process_value(setting.value))}
end)
new_data
end
@spec process_value(String.t() | nil) :: any()
defp process_value(nil), do: nil
defp process_value(""), do: nil
defp process_value(value) do
case Jason.decode(value) do
{:ok, val} ->
val
{:error, _} ->
case value do
"true" -> true
"false" -> false
value -> value
end
end
end
@spec config_cached_value(String.t(), String.t(), String.t()) :: any()
def config_cached_value(group, name, fallback \\ nil) do
config_cache()
|> Map.get(group, %{})
|> Map.get(name, fallback)
end
@spec instance_name :: String.t()
def instance_name,
do:
Mobilizon.Admin.get_admin_setting_value(
config_cached_value(
"instance",
"instance_name",
instance_config()[:name]
@ -40,7 +98,7 @@ defmodule Mobilizon.Config do
@spec instance_description :: String.t()
def instance_description,
do:
Mobilizon.Admin.get_admin_setting_value(
config_cached_value(
"instance",
"instance_description",
instance_config()[:description]
@ -49,37 +107,37 @@ defmodule Mobilizon.Config do
@spec instance_long_description :: String.t()
def instance_long_description,
do:
Mobilizon.Admin.get_admin_setting_value(
config_cached_value(
"instance",
"instance_long_description"
)
@spec instance_slogan :: String.t() | nil
def instance_slogan, do: Mobilizon.Admin.get_admin_setting_value("instance", "instance_slogan")
def instance_slogan, do: config_cached_value("instance", "instance_slogan")
@spec contact :: String.t() | nil
def contact do
Mobilizon.Admin.get_admin_setting_value("instance", "contact")
config_cached_value("instance", "contact")
end
@spec instance_terms(String.t()) :: String.t()
def instance_terms(locale \\ "en") do
Mobilizon.Admin.get_admin_setting_value("instance", "instance_terms", generate_terms(locale))
config_cached_value("instance", "instance_terms", generate_terms(locale))
end
@spec instance_terms_type :: String.t()
def instance_terms_type do
Mobilizon.Admin.get_admin_setting_value("instance", "instance_terms_type", "DEFAULT")
config_cached_value("instance", "instance_terms_type", "DEFAULT")
end
@spec instance_terms_url :: String.t() | nil
def instance_terms_url do
Mobilizon.Admin.get_admin_setting_value("instance", "instance_terms_url")
config_cached_value("instance", "instance_terms_url")
end
@spec instance_privacy(String.t()) :: String.t()
def instance_privacy(locale \\ "en") do
Mobilizon.Admin.get_admin_setting_value(
config_cached_value(
"instance",
"instance_privacy_policy",
generate_privacy(locale)
@ -88,17 +146,17 @@ defmodule Mobilizon.Config do
@spec instance_privacy_type :: String.t()
def instance_privacy_type do
Mobilizon.Admin.get_admin_setting_value("instance", "instance_privacy_policy_type", "DEFAULT")
config_cached_value("instance", "instance_privacy_policy_type", "DEFAULT")
end
@spec instance_privacy_url :: String.t()
def instance_privacy_url do
Mobilizon.Admin.get_admin_setting_value("instance", "instance_privacy_policy_url")
config_cached_value("instance", "instance_privacy_policy_url")
end
@spec instance_rules :: String.t()
def instance_rules do
Mobilizon.Admin.get_admin_setting_value("instance", "instance_rules")
config_cached_value("instance", "instance_rules")
end
@spec instance_version :: String.t()
@ -113,7 +171,7 @@ defmodule Mobilizon.Config do
def instance_registrations_open?,
do:
to_boolean(
Mobilizon.Admin.get_admin_setting_value(
config_cached_value(
"instance",
"registrations_open",
instance_config()[:registrations_open]
@ -123,7 +181,7 @@ defmodule Mobilizon.Config do
@spec instance_languages :: list(String.t())
def instance_languages,
do:
Mobilizon.Admin.get_admin_setting_value(
config_cached_value(
"instance",
"instance_languages",
instance_config()[:languages]
@ -322,8 +380,6 @@ defmodule Mobilizon.Config do
@spec anonymous_actor_id :: integer
def anonymous_actor_id, do: get_cached_value(:anonymous_actor_id)
@spec admin_settings :: map
def admin_settings, do: get_cached_value(:admin_config)
@spec get(keys :: module | atom | [module | atom]) :: any
def get(key), do: get(key, nil)
@ -399,8 +455,11 @@ defmodule Mobilizon.Config do
end
end
defp create_cache(:admin_config) do
data = %{
defp create_cache(_), do: {:error, :cache_key_not_handled}
@spec admin_settings :: map()
def admin_settings do
%{
instance_description: instance_description(),
instance_long_description: instance_long_description(),
instance_name: instance_name(),
@ -416,8 +475,6 @@ defmodule Mobilizon.Config do
instance_rules: instance_rules(),
instance_languages: instance_languages()
}
{:ok, data}
end
@spec clear_config_cache :: {:ok | :error, integer}