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add option to auto-load seeds after migration #6

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add option to auto-load seeds after migration #6

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32 changes: 27 additions & 5 deletions lib/ecto_boot_migration.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -86,18 +86,19 @@ defmodule EctoBootMigration do

Returns `{:error, reason}` if error occured.
"""
@spec migrate(any) ::
@spec migrate(any, list) ::
{:ok, :noop}
| {:ok, {:migrated, [pos_integer]}}
| {:error, any}
def migrate(app) do
def migrate(app, opts \\ []) do
log("Loading application #{inspect(app)}...")

if loaded?(app) do
start_dependencies()
repos = Application.get_env(app, :ecto_repos, [])
repos_pids = start_repos(repos)
migrations = run_migrations(repos)
if Keyword.get(opts, :seed), do: run_seeds(repos)
stop_repos(repos_pids)

log("Done")
Expand Down Expand Up @@ -160,7 +161,7 @@ defmodule EctoBootMigration do
end

def run_migrations(repos) do
log("Running migrations")
log("Running migrations...")

migrations =
repos
Expand All @@ -176,6 +177,23 @@ defmodule EctoBootMigration do
migrations
end

def run_seeds(repos) do
log("Loading seeds...")

Enum.each(repos, fn repo ->
log(" + loading seeds for repo #{inspect(repo)}")

"#{seed_path(repo)}/*.exs"
|> Path.wildcard()
|> Enum.sort()
|> Enum.each(fn seed_script ->
Ecto.Migrator.with_repo(repo, fn _repo ->
Code.eval_file(seed_script)
end)
end)
end)
end

@doc """
Start apps necessary for executing migrations
"""
Expand Down Expand Up @@ -223,7 +241,7 @@ defmodule EctoBootMigration do
def log(_msg, false) do
# noop
end

def debug? do
Application.get_env(:ecto_boot_migration, :debug, false)
end
Expand All @@ -236,7 +254,11 @@ defmodule EctoBootMigration do
priv_path_for(repo, "migrations")
end

defp priv_path_for(repo, filename) do
defp seed_path(repo) do
priv_path_for(repo)
end

defp priv_path_for(repo, filename \\ "") do
app = Keyword.get(repo.config, :otp_app)
repo_underscore = repo |> Module.split() |> List.last() |> Macro.underscore()
Path.join([priv_dir(app), repo_underscore, filename])
Expand Down