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https://github.com/kpanic/exalice

ExAlice, a geocoder with swappable storage
https://github.com/kpanic/exalice

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ExAlice, a geocoder with swappable storage

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# ExAlice

[![Build Status](https://travis-ci.org/kpanic/exalice.svg?branch=master)](https://travis-ci.org/kpanic/exalice)

![Alice in wonderland!](/pic/alice-in-wonderland.png)

**WARNING: This is alpha software, do not use in production!**

## Installation of exalice from this repository

1. Ensure that Elasticsearch 6.4.0 is installed

2. Ensure that the analysis-icu plugin is installed:

```bash
# On Debian based systems
sudo /usr/share/elasticsearch/bin/elasticsearch-plugin install analysis-icu
```

The path of the `plugin` command varies between different operating systems

3. Ensure that Elasticsearch is started

4. Run the import (after fetching deps, and compiling everything):

```bash
mix exalice.bootstrap # Populate the storage with sample data in this repository
```

## When exalice is used as an external dependency in your application

1. Add exalice to your list of dependencies in `mix.exs`:

```elixir
def deps do
[{:exalice, "~> 0.0.7-alpha"}]
end
```

2. Ensure that Elasticsearch 6.4.0 is installed

3. Ensure that the analysis-icu plugin is installed:

```bash
sudo /usr/share/elasticsearch/bin/elasticsearch-plugin install analysis-icu
```

The path might vary between different operating systems

4. Ensure that Elasticsearch is started

5. Add to your config/config.exs:

```elixir
config :exalice,
provider: ExAlice.Geocoder.Providers.Elastic,
geocoder: ExAlice.Geocoder.Providers.OpenStreetMap,
index: :exalice,
doc_type: :location,
file: "data/germany-streets.json",
chunks: 5000
```

The available options for the `geocoder:` are
`ExAlice.Geocoder.Providers.GoogleMaps` or
`ExAlice.Geocoder.Providers.OpenStreetMap`

7. (optional) Put a json file generated with [pbf2json](https://github.com/pelias/pbf2json) from openstreetmap pbf(s) in your `data/` folder

8. Copy the [germany-streets.json](https://github.com/kpanic/exalice/blob/master/data/germany-streets.json) sample extract in your local `data/` folder inside your application

9. Run `mix exalice.bootstrap`

## To geocode an address execute:

1. Run `iex -S mix`

2. Type `ExAlice.Geocoder.geocode("Via Recoaro 3, Broni")`

3. You should receive back data from the configured geocoder provider
(OpenStreetMap or Google Maps)

4. If you run again `ExAlice.Geocoder.geocode("Via Recoaro, Broni")` you should receive back data from the storage (no external lookup)

**NOTE**: At the moment the geocoder part that relies on google maps has no
possibility to use a google maps api key.