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Booking.com Example

This is @harlow's go-micro-services example converted to use Micro.

His README (with required changes):

The API Endpoint accepts HTTP requests at localhost:8080 and then spawns a number of RPC requests to the backend services.

Note: Data for each of the services is stored in JSON flat files under the /data/ directory. In reality each of the services could choose their own specialty datastore. The Geo service for example could use PostGis or any other database specializing in geospacial queries.

Setup

Docker is required for running the services https://docs.docker.com/engine/installation.

Protobuf v3 are required:

$ brew install protobuf --devel

Install the protoc-gen libraries:

$ go get -u github.com/micro/protobuf/{proto,protoc-gen-go}

Clone the repository:

$ git clone [email protected]:micro/micro.git

Change to examples dir

$ cd micro/examples/booking

Protobufs

If changes are made to the Protocol Buffer files use the Makefile to regenerate:

$ make proto

Run

To make the demo as straigforward as possible; Docker Compose is used to run all the services at once (In a production environment each of the services would be run (and scaled) independently).

$ make build
$ make run

Curl the endpoint with an invalid auth token:

$ curl -H 'Content-Type: application/json' \
       -H "Authorization: Bearer INVALID_TOKEN" \
        http://localhost:8080/hotel/rates

{"id":"api.hotel.rates","code":401,"detail":"Unauthorized","status":"Unauthorized"}

Curl the endpoint without checkin or checkout dates:

$ curl -H 'Content-Type: application/json' \
       -H "Authorization: Bearer VALID_TOKEN" \
       -d '{"inDate": "2015-04-09"}' \
        http://localhost:8080/hotel/rates

{"id":"api.hotel.rates","code":400,"detail":"Please specify inDate/outDate params","status":"Bad Request"}

Curl the API endpoint with a valid auth token:

$ curl -H 'Content-Type: application/json' \
       -H "Authorization: Bearer VALID_TOKEN" \
       -d '{"inDate": "2015-04-09", "outDate": "2015-04-10"}' \
        http://localhost:8080/hotel/rates

The JSON response:

{
    "hotels": [
        {
            "id": 1,
            "name": "Clift Hotel",
            "phoneNumber": "(415) 775-4700",
            "description": "A 6-minute walk from Union Square and 4 minutes from a Muni Metro station, this luxury hotel designed by Philippe Starck features an artsy furniture collection in the lobby, including work by Salvador Dali.",
            "address": {
                "streetNumber": "495",
                "streetName": "Geary St",
                "city": "San Francisco",
                "state": "CA",
                "country": "United States",
                "postalCode": "94102"
            }
        }
    ],
    "ratePlans": [
        {
            "hotelId": 1,
            "code": "RACK",
            "inDate": "2015-04-09",
            "outDate": "2015-04-10",
            "roomType": {
                "bookableRate": 109,
                "totalRate": 109,
                "totalRateInclusive": 123.17,
                "code": "KNG"
            }
        }
    ]
}