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https://github.com/zven21/turbo_ecto

A rich ecto component, including search sort and paginate.
https://github.com/zven21/turbo_ecto

ecto elixir paginate ransack searching sort

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A rich ecto component, including search sort and paginate.

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# Turbo Ecto

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Turbo is a very rich ecto component,including search sort and paginate. Inspiration by ruby [ransack](https://github.com/activerecord-hackery/ransack) and learn from [rummage_ecto](https://github.com/aditya7iyengar/rummage_ecto)

Phoenix support `turbo_html`, check [this](https://github.com/zven21/turbo_html) repos.

## Table of contents

* [Getting started](#getting-started)
* [Examples](#examples)
* [Search Matchers](#search-matchers)
* [Features](#features)
* [Contributing](#contributing)
* [Make a pull request](#make-a-pull-request)
* [License](#license)
* [Credits](#credits)

## Getting started

The package can be installed by adding `:turbo_ecto` to your list of dependencies in `mix.exs`:

```elixir
def deps do
[
{:turbo_ecto, "~> 1.0.1"}
]
end
```

Add the Repo of your app and the desired per_page to the `:turbo_ecto` configuration in `config.exs`:

```elixir
config :turbo_ecto, Turbo.Ecto,
repo: MyApp.Repo,
per_page: 10
```

You can also define other configurations with `entry_name` and `pagenate_name` in `config.exs`.

## Examples

Category Table Structure:

Field | Type | Comment
------------- | ------------- | ---------
`name` | string |

Post Table Structure:

Field | Type | Comment
------------- | ------------- | ---------
`name` | string |
`body` | text |
`price` | float |
`category_id` | integer |
`available` | boolean |

```elixir
iex> params = %{
"q" => %{"name_and_category_name_like" => "elixir"},
"s" => "inserted_at+asc",
"page" = 0,
"per_page" => 20
}

iex> Turbo.Ecto.turbo(Turbo.Ecto.Schemas.Post, params)
%{
datas: [%Turbo.Ecto.Schemas.Post{}],
paginate: %{
current_page: 10,
next_page: 11,
per_page: 20,
prev_page: 9,
total_count: 100,
total_pages: 20
}
}
```

### The 2 more commonly used API are as follows:

#### `Turbo.Ecto.turbo(queryable, params, opts \\ [])`

* 1 queryable: receives a schema object or an Ecto.Query.t() object

* 2 params: supports 4 parameters.
- `q` or `filter` to receive pattern matching information, e.g. ```params = %{"q" ⇒ %{"name_like" ⇒ "elixir"}}``` or ```params = %{"filter" ⇒ %{"name_like" ⇒ "elixir"}```
- `s` or `sort` Receive sort information. e.g. ```params = %{"sort" ⇒ "position+asc"}``` or ```params = %{"s" ⇒ "inserted_at+desc"}```
- `page` Receive query page number. e.g. ```params = %{"page" ⇒ 1}```
- `per_page` Receive the number of pages. e.g. ```params = %{"per_page" ⇒ 20}```

* 3 opts: currently receives the following information:
- `paginate_name`: sets the pagination key value of the returned result
- `entry_name`: sets the key value of the returned result object
- `prefix`: table prefix
- `with_paginate`: whether to include pagination information, default `true`
- `callback`: callback processing for `queryable`

#### `Turbo.Ecto.turboq(queryable, params, opts)`

Returns an Ecto.Query.t() object

More example pls move: [docs](https://hexdocs.pm/turbo_ecto/api-reference.html)

## Search Matchers

List of all possible `search_types`:

Predicate | Description | Note
----------------- | ----------------------- | ----
`*_eq` | equal | SQL: `col = 'value'`
`*_not_eq` | not equal | SQL: `col != 'value'`
`*_lt` | less than | SQL: `col < 1024`
`*_lteq` | less than or equal | SQL: `col <= 1024`
`*_gt` | greater than | SQL: `col > 1024`
`*_gteq` | greater than or equal | SQL: `col >= 1024`
`*_is_present` | not null and not empty | Only compatible with string columns. e.g.: `q[name_present ]=1` SQL: `col is not null AND col != ''`
`*_is_null` | is null true or false | SQL: `col is null` or `col is not null`
`*_like` | contains value | SQL: `col LIKE '%value%'`
`*_ilike` | contains any of | SQL: `col ILIKE '%value%'`
`*_is_true` | is true or false | SQL: `col is true or col is false`
`*_is_not_true` | is true or false | SQL: `col is not true or col is false`
`*_is_false` | is true or false | SQL: `col is false`
`*_is_not_false` | is true or false | SQL: `col is not false`
`*_is_null` | is null | SQL: `col is nil`
`*_is_not_null` | is not null | SQL: `col is not nil`
`*_in` | match any values in array | e.g.: `q[name_in][]=Alice&q[name_in][]=Bob` SQL: `name in ('Alice', 'Bob')`
`*_not_in` | not contains | SQL: `col not in ('Alice', 'Bob')`
`*_start_with` | start with values | SQL: `col LIKE '%value'`
`*_not_start_with`| not start with values | SQL: `col not LIKE '%value'`
`*_end_with` | end with values | SQL: `col LIKE 'value%'`
`*_not_end_with` | not end with values | e.g.: `q[name_not_end_with][]=Alice` SQL: `col not LIKE 'value%' `
`*_between` | begin < between < end | e.g.: `q[price_between][]=100&q[price_between][]=200` SQL: `100 <= price and price <= 200`)

## Contributing

Bug report or pull request are welcome.

### Make a pull request

1. Fork it
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create new Pull Request

Please write unit test with your code if necessary.

## Copyright and License

Copyright (c) 2018 Zven Wang

The library is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).

## Credits

* [ecto](https://github.com/elixir-ecto/ecto) - Very great API.
* [ransack](https://github.com/activerecord-hackery/ransack) - Initial inspiration of this project.
* [rummage_ecto](https://github.com/aditya7iyengar/rummage_ecto) - Similar implementation.