mirror of
https://github.com/mgerb/classic-wow-forums
synced 2026-01-10 09:02:50 +00:00
76 lines
2.2 KiB
Elixir
76 lines
2.2 KiB
Elixir
defmodule MyApp.Data.Reply do
|
|
use Ecto.Schema
|
|
import Ecto.Changeset
|
|
import Ecto.Query
|
|
alias MyApp.Repo
|
|
alias MyApp.Data
|
|
|
|
@derive {Poison.Encoder, except: [:__meta__]}
|
|
schema "reply" do
|
|
field :user_id, :integer # references :user
|
|
field :thread_id, :integer # references :thread
|
|
field :content, :string
|
|
field :edited, :boolean, default: false
|
|
field :quote_id, :integer
|
|
timestamps()
|
|
end
|
|
|
|
defp insert_changeset(reply, params \\ %{}) do
|
|
reply
|
|
|> cast(params, [:user_id, :thread_id, :content, :quote])
|
|
|> validate_required([:user_id, :thread_id, :content])
|
|
|> foreign_key_constraint(:user_id)
|
|
|> foreign_key_constraint(:thread_id)
|
|
end
|
|
|
|
# allow user to update reply
|
|
defp user_update_changeset(reply, params \\ %{}) do
|
|
reply
|
|
|> cast(params, [:content])
|
|
|> force_change(:edited, true) # set edited flag on update
|
|
|> validate_required([:content])
|
|
end
|
|
|
|
@spec insert(map) :: {:ok, map} | {:error, map}
|
|
def insert(params) do
|
|
insert_changeset(%Data.Reply{}, params)
|
|
|> Repo.insert
|
|
|> Data.Util.process_insert_or_update
|
|
|> update_thread_new_reply
|
|
end
|
|
|
|
defp update_thread_new_reply({:error, error}), do: {:error, error}
|
|
defp update_thread_new_reply({:ok, reply}) do
|
|
thread_id = Map.get(reply, :thread_id)
|
|
user_id = Map.get(reply, :user_id)
|
|
query = from t in Data.Thread, where: t.id == ^thread_id,
|
|
update: [set: [last_reply_id: ^user_id, updated_at: ^DateTime.utc_now], inc: [reply_count: 1]]
|
|
|
|
case Repo.update_all(query, []) do
|
|
nil -> {:error, "update thread error"}
|
|
_ -> {:ok, reply}
|
|
end
|
|
end
|
|
|
|
@spec user_update(map) :: {:ok, map} | {:error, map}
|
|
def user_update(params) do
|
|
id = Map.get(params, "id")
|
|
user_id = Map.get(params, "user_id")
|
|
|
|
if is_nil(id) || is_nil(user_id) do
|
|
{:error, "Invalid reply"}
|
|
else
|
|
Repo.get_by(Data.Reply, %{id: id, user_id: user_id})
|
|
|> process_user_update(params)
|
|
end
|
|
end
|
|
|
|
defp process_user_update(reply, _params) when is_nil(reply), do: {:error, "Invalid reply"}
|
|
defp process_user_update(reply, params) when not is_nil(reply) do
|
|
user_update_changeset(reply, params)
|
|
|> Repo.update
|
|
|> Data.Util.process_insert_or_update
|
|
end
|
|
|
|
end
|