https://github.com/rodrigues/red

https://github.com/rodrigues/red

Last synced: 7 days ago
JSON representation

• Host: GitHub
• URL: https://github.com/rodrigues/red
• Owner: rodrigues
• Archived: true
• Created: 2015-05-12T21:11:14.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2017-08-07T19:03:45.000Z (over 7 years ago)
• Last Synced: 2024-08-09T10:03:13.759Z (3 months ago)
• Language: Elixir
• Homepage: https://hexdocs.pm/red
• Size: 43 KB
• Stars: 15
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
Red

===

[![Hex version](https://img.shields.io/hexpm/v/red.svg "Hex version")](https://hex.pm/packages/red)

[![Build status](https://img.shields.io/travis/rodrigues/red.svg "Build status")](https://travis-ci.org/rodrigues/red)

[![Deps Status](https://beta.hexfaktor.org/badge/all/github/rodrigues/red.svg)](https://beta.hexfaktor.org/github/rodrigues/red)

[![Inline docs](http://inch-ci.org/github/rodrigues/red.svg?branch=master&style=flat)](http://hexdocs.pm/red)

![Hex downloads](https://img.shields.io/hexpm/dt/red.svg "Hex downloads")

Store relations between entities using [redis](http://redis.io).

## Example: A `follow` system

```elixir

import Red

# @vcr2 -{follow}-> @hex_pm

{:ok, _} =

  "@vcr2"

  |> relation(:follow)

  |> add!("@hex_pm")

"@vcr2" |> relation(:follow) |> Enum.at(0)

> "@hex_pm"

# @vcr2 ===follow===> *

count_following = "@vcr2" |> relation(:follow) |> Enum.count

> 100

# @vcr2 <===follow=== *

count_followers = "@vcr2" |> relation(:follow, :in) |> Enum.count

> 43

# jump 10, next 5

"@vcr2" |> relation(:follow) |> offset(10) |> limit(5) |> Enum.to_list

> []

```