Triplex

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An apartment for succesfull Phoenix programmers.

Installation

The package can be installed as:

  1. Add triplex to your list of dependencies in mix.exs:
def deps do
  [{:triplex, "~> 1.1.3"}]
end
  1. Run in your shell:
mix deps.get

Configuration

All you need to do in your project to start using it is to configure the Repo you will use to execute the database commands with:

config :triplex, repo: ExampleApp.Repo

Usage

Here is a quick overview of what you can do with triplex!

Creating, renaming and droping tenants

To create a new tenant:

Triplex.create("your_tenant")

PS.: this will run the migrations, so it’s a function that takes a while to complete depending on how much migrations you have.

If you change your mind and want to rename te tenant:

Triplex.rename("your_tenant", "my_tenant")

PS.: we encourage you to use an unchangable thing as your tenant name, that way you will not need to rename your tenant when changing the field.

And if you’re sick of it and want to drop:

Triplex.drop("my_tenant")

More information on Triplex module documentation.

Creating tables inside tenant

To create a table inside your tenant you can use:

mix triplex.gen.migration your_migration_name

Also, you can move a normally generated migrations from inside priv/YOUR_REPO/migrations to the priv/YOUR_REPO/tenant_migrations folder.

The schemas look the same way, nothing to change.

To run the tenant migrations, just run:

mix triplex.migrate

This task will migrate all your existent tenants, one by one. If it fail in any tenant, the next time you run it will continue from where it stoped.

If you need more information, check the Mix.Triplex documentation, where you can find the list of tasks and their descriptions.

Querying, updating and inserting data inside tenants

To make queries, updates and inserts inside your tenant is quite easy. Just send a prefix opt on your repo call with your current tenant name. Like this:

Repo.all(User, prefix: Triplex.to_prefix("my_tenant"))

It’s a good idea to call Triplex.to_prefix/1 on your tenant name, altough is not required. Because, if you configured a tenant_prefix, this function will return the prefixed one.

Loading the current tenant to your Plug.Conn

We have some basic and configurable plugs you can use to load the current tenant on your web app. Here is an example loading it from the subdomain:

plug Triplex.SubdomainPlug, endpoint: MyApp.Endpoint

For more information, check the Triplex.Plug documentation for an overview of our plugs.