86 lines
2.4 KiB
Elixir
86 lines
2.4 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Repo do
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use Ecto.Repo,
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otp_app: :pleroma,
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adapter: Ecto.Adapters.Postgres,
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migration_timestamps: [type: :naive_datetime_usec]
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require Logger
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defmodule Instrumenter do
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use Prometheus.EctoInstrumenter
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end
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@doc """
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Dynamically loads the repository url from the
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DATABASE_URL environment variable.
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"""
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def init(_, opts) do
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{:ok, Keyword.put(opts, :url, System.get_env("DATABASE_URL"))}
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end
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@doc "find resource based on prepared query"
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@spec find_resource(Ecto.Query.t()) :: {:ok, struct()} | {:error, :not_found}
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def find_resource(%Ecto.Query{} = query) do
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case __MODULE__.one(query) do
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nil -> {:error, :not_found}
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resource -> {:ok, resource}
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end
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end
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def find_resource(_query), do: {:error, :not_found}
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@doc """
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Gets association from cache or loads if need
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## Examples
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iex> Repo.get_assoc(token, :user)
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%User{}
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"""
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@spec get_assoc(struct(), atom()) :: {:ok, struct()} | {:error, :not_found}
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def get_assoc(resource, association) do
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case __MODULE__.preload(resource, association) do
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%{^association => assoc} when not is_nil(assoc) -> {:ok, assoc}
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_ -> {:error, :not_found}
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end
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end
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def check_migrations_applied!() do
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unless Pleroma.Config.get(
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[:i_am_aware_this_may_cause_data_loss, :disable_migration_check],
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false
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) do
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Ecto.Migrator.with_repo(__MODULE__, fn repo ->
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down_migrations =
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Ecto.Migrator.migrations(repo)
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|> Enum.reject(fn
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{:up, _, _} -> true
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{:down, _, _} -> false
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end)
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if length(down_migrations) > 0 do
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down_migrations_text =
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Enum.map(down_migrations, fn {:down, id, name} -> "- #{name} (#{id})\n" end)
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Logger.error(
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"The following migrations were not applied:\n#{down_migrations_text}If you want to start Pleroma anyway, set\nconfig :pleroma, :i_am_aware_this_may_cause_data_loss, disable_migration_check: true"
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)
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raise Pleroma.Repo.UnappliedMigrationsError
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end
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end)
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else
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:ok
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end
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end
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end
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defmodule Pleroma.Repo.UnappliedMigrationsError do
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defexception message: "Unapplied Migrations detected"
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end
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