arc_ecto alternatives and similar packages
Based on the "ORM and Datamapping" category.
Alternatively, view arc_ecto alternatives based on common mentions on social networks and blogs.
-
memento
Simple + Powerful interface to the Mnesia Distributed Database 💾 -
paper_trail
Track and record all the changes in your database with Ecto. Revert back to anytime in history. -
ExAudit
Ecto auditing library that transparently tracks changes and can revert them. -
ecto_psql_extras
Ecto PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more. -
arbor
Ecto elixir adjacency list and tree traversal. Supports Ecto versions 2 and 3. -
sqlitex
An Elixir wrapper around esqlite. Allows access to sqlite3 databases. -
boltun
Transforms notifications from the Postgres LISTEN/NOTIFY mechanism into callback execution -
sql_dust
Easy. Simple. Powerful. Generate (complex) SQL queries using magical Elixir SQL dust.
Learn Elixir in as little as 12 Weeks
* Code Quality Rankings and insights are calculated and provided by Lumnify.
They vary from L1 to L5 with "L5" being the highest.
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README
Arc.Ecto
Arc.Ecto provides an integration with Arc and Ecto.
Installation
Add the latest stable release to your mix.exs
file:
defp deps do
[
{:arc_ecto, "~> 0.11.3"}
]
end
Then run mix deps.get
in your shell to fetch the dependencies.
Usage
Add Arc.Ecto.Definition
Add a second using macro use Arc.Ecto.Definition
to the top of your Arc definitions.
defmodule MyApp.Avatar do
use Arc.Definition
use Arc.Ecto.Definition
# ...
end
This provides a set of functions to ease integration with Arc and Ecto. In particular:
- Definition of a custom Ecto Type responsible for storing the images.
- Url generation with a cache-busting timestamp query parameter
Add a string column to your schema
Arc attachments should be stored in a string column, with a name indicative of the attachment.
create table :users do
add :avatar, :string
end
Add your attachment to your Ecto Schema
Add a using statement use Arc.Ecto.Schema
to the top of your ecto schema, and specify the type of the column in your schema as MyApp.Avatar.Type
.
Attachments can subsequently be passed to Arc's storage though a Changeset cast_attachments/3
function, following the syntax of cast/3
defmodule MyApp.User do
use MyApp.Web, :model
use Arc.Ecto.Schema
schema "users" do
field :name, :string
field :avatar, MyApp.Avatar.Type
end
@doc """
Creates a changeset based on the `data` and `params`.
If no params are provided, an invalid changeset is returned
with no validation performed.
"""
def changeset(user, params \\ :invalid) do
user
|> cast(params, [:name])
|> cast_attachments(params, [:avatar])
|> validate_required([:name, :avatar])
end
end
Save your attachments as normal through your controller
@doc """
Given params of:
%{
"id" => 1,
"user" => %{
"avatar" => %Plug.Upload{
content_type: "image/png",
filename: "selfie.png",
path: "/var/folders/q0/dg42x390000gp/T//plug-1434/multipart-765369-5"}
}
}
"""
def update(conn, %{"id" => id, "user" => user_params}) do
user = Repo.get(User, id)
changeset = User.changeset(user, user_params)
if changeset.valid? do
Repo.update(changeset)
conn
|> put_flash(:info, "User updated successfully.")
|> redirect(to: user_path(conn, :index))
else
render conn, "edit.html", user: user, changeset: changeset
end
end
Retrieve the serialized url
Both public and signed urls will include the timestamp for cache busting, and are retrieved the exact same way as using Arc directly.
user = Repo.get(User, 1)
# To receive a single rendition:
MyApp.Avatar.url({user.avatar, user}, :thumb)
#=> "https://bucket.s3.amazonaws.com/uploads/avatars/1/thumb.png?v=63601457477"
# To receive all renditions:
MyApp.Avatar.urls({user.avatar, user})
#=> %{original: "https://.../original.png?v=1234", thumb: "https://.../thumb.png?v=1234"}
# To receive a signed url:
MyApp.Avatar.url({user.avatar, user}, signed: true)
MyApp.Avatar.url({user.avatar, user}, :thumb, signed: true)
License
Copyright 2015 Sean Stavropoulos
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
*Note that all licence references and agreements mentioned in the arc_ecto README section above
are relevant to that project's source code only.