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loopback/docs/rest.md

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##create
Create a new instance of the model and persist it into the data source
**Definition**
POST /locations
**Arguments**
* **data** The model instance data
**Example**
Request:
curl -X POST -H "Content-Type:application/json" \
-d '{"name": "L1", "street": "107 S B St", "city": "San Mateo", "zipcode": "94401"}' \
http://localhost:3000/locations
Response:
{
"id": "96",
"street": "107 S B St",
"city": "San Mateo",
"zipcode": 94401,
"name": "L1",
"geo": {
"lat": 37.5670042,
"lng": -122.3240212
}
}
**Errors**
None
##upsert
Update an existing model instance or insert a new one into the data source
**Definition**
PUT /locations
**Arguments**
* **data** The model instance data
**Examples**
Request - insert:
curl -X PUT -H "Content-Type:application/json" \
-d '{"name": "L1", "street": "107 S B St", "city": "San Mateo", "zipcode": "94401"}' \
http://localhost:3000/locations
Response:
{
"id": "98",
"street": "107 S B St",
"city": "San Mateo",
"zipcode": 94401,
"name": "L1",
"geo": {
"lat": 37.5670042,
"lng": -122.3240212
}
}
Request - update:
curl -X PUT -H "Content-Type:applicatin/json" \
-d '{"id": "98", "name": "L4", "street": "107 S B St", "city": "San Mateo", \
"zipcode": "94401"}' http://localhost:3000/locations
Response:
{
"id": "98",
"street": "107 S B St",
"city": "San Mateo",
"zipcode": 94401,
"name": "L4"
}
**Errors**
None
##exists
Check whether a model instance exists by ID in the data source.
**Definition**
GET /locations/exists
**Arguments**
* **id** The model id
**Example**
Request:
curl http://localhost:3000/locations/88/exists
Response:
{
"exists": true
}
**Errors**
None
##findById
Find a model instance by ID from the data source.
**Definition**
GET /locations/{id}
**Arguments**
* **id** The model id
**Example**
Request:
curl http://localhost:3000/locations/88
Response:
{
"id": "88",
"street": "390 Lang Road",
"city": "Burlingame",
"zipcode": 94010,
"name": "Bay Area Firearms",
"geo": {
"lat": 37.5874391,
"lng": -122.3381437
}
}
**Errors**
None
##find
Find all instances of the model matched by filter from the data source.
**Definition**
GET /locations
**Arguments**
Pass the arguments as the value of the `find` HTTP query parameter, as follows
/modelName?filter=[filterType1]=<val1>&filter[filterType2]=<val2>...
where *filterType1*, *filterType2*, and so on, are the filter types, and *val1*, *val2* are the corresponding
values, as described in the following table.
| Filter type | Type | Description |
| ------------- | ------------- | ---------------|
| where | Object | Search criteria. Format: `{key: val}` or `{key: {op: val}}` For list of valid operations, see Operations, below. |
| include | String, Object, or Array | Allows you to load relations of several objects and optimize numbers of requests. For format, see Include format, below. |
| order | String | Sort order. Format: 'key1 ASC, key2 DESC', where ASC specifies ascending and DESC specifies descending order. |
|limit| Number | Maximum number of instances to return. |
|skip (offset) | Number | Skip the specified number of instances. Use offset as alternative. |
|fields| Object, Array, or String | The included/excluded fields. For foramt, see fields below.
**Operations available in where filter**:
* gt: >
* gte: >=
* lt: <
* lte: <=
* between
* inq: IN
* nin: NOT IN
* neq: !=
* like: LIKE
* nlike: NOT LIKE
**Include format**:
* 'posts': Load posts
* ['posts', 'passports']: Load posts and passports
* {'owner': 'posts'}: Load owner and owner's posts
* {'owner': ['posts', 'passports']}: Load owner, owner's posts, and owner's passports
* {'owner': [{posts: 'images'}, 'passports']}: Load owner, owner's posts, owner's posts' images, and owner's passports
**Fields format**:
- `['foo']` or `'foo'` - include only the foo property
- `['foo', 'bar']` - include the foo and bar properties
- `{foo: true}` - include only foo
- `{bat: false}` - include all properties, exclude bat
For example,
- '/weapons': Weapons
- '/weapons?filter[limit]=2&filter[offset]=5': Paginated Weapons
- '/weapons?filter[where][name]=M1911': Weapons with name M1911
- '/weapons?filter[where][audibleRange][lt]=10': Weapons with audioRange < 10
- '/weapons?filter[fields][name]=1&filter[fields][effectiveRange]=1': Only name and effective ranges
- '/weapons?filter[where][effectiveRange][gt]=900&filter[limit]=3': The top 3 weapons with a range over 900 meters
- '/weapons?filter[order]=audibleRange%20DESC&filter[limit]=3': The loudest 3 weapons
- '/locations': Locations
- '/locations?filter[where][geo][near]=153.536,-28.1&filter[limit]=3': The 3 closest locations to a given geo point
**Example**
Request:
Find without filter:
curl http://localhost:3000/locations
Find with a filter:
curl http://localhost:3000/locations?filter%5Blimit%5D=2
**Note**: For curl, `[` needs to be encoded as `%5B`, and `]` as `%5D`.
Response:
[
{
"id": "87",
"street": "7153 East Thomas Road",
"city": "Scottsdale",
"zipcode": 85251,
"name": "Phoenix Equipment Rentals",
"geo": {
"lat": 33.48034450000001,
"lng": -111.9271738
}
},
{
"id": "88",
"street": "390 Lang Road",
"city": "Burlingame",
"zipcode": 94010,
"name": "Bay Area Firearms",
"geo": {
"lat": 37.5874391,
"lng": -122.3381437
}
}
]
**Errors**
None
##findOne
Find first instance of the model matched by filter from the data source.
**Definition**
GET /locations/findOne
**Arguments**
* **filter** The filter that defines where, order, fields, skip, and limit. It's
same as find's filter argument. Please see [find](#find) for more details.
**Example**
Request:
curl http://localhost:3000/locations/findOne?filter%5Bwhere%5D%5Bcity%5D=Scottsdale
Response:
{
"id": "87",
"street": "7153 East Thomas Road",
"city": "Scottsdale",
"zipcode": 85251,
"name": "Phoenix Equipment Rentals",
"geo": {
"lat": 33.48034450000001,
"lng": -111.9271738
}
}
**Errors**
None
##deleteById
Delete a model instance by id from the data source
**Definition**
DELETE /locations/{id}
**Arguments**
* **id** The model id
**Example**
Request:
curl -X DELETE http://localhost:3000/locations/88
Response:
Example TBD.
**Errors**
None
##count
Count instances of the model matched by where from the data source
**Definition**
GET /locations/count
**Arguments**
* **where** The criteria to match model instances
**Example**
Request - count without "where" filter
curl http://localhost:3000/locations/count
Request - count with a "where" filter
curl http://localhost:3000/locations/count?where%5bcity%5d=Burlingame
Response:
{
count: 6
}
**Errors**
None
##nearby
Find nearby locations around the geo point.
**Definition**
GET /locations/nearby
**Arguments**
* **here** geo location object with `lat` and `lng` properties
* **page** number of pages (page size=10)
* **max** max distance in miles
**Example**
Request:
curl http://localhost:3000/locations/nearby?here%5Blat%5D=37.587409&here%5Blng%5D=-122.338225
Response:
[
{
"id": "88",
"street": "390 Lang Road",
"city": "Burlingame",
"zipcode": 94010,
"name": "Bay Area Firearms",
"geo": {
"lat": 37.5874391,
"lng": -122.3381437
}
},
{
"id": "89",
"street": "1850 El Camino Real",
"city": "Menlo Park",
"zipcode": 94027,
"name": "Military Weaponry",
"geo": {
"lat": 37.459525,
"lng": -122.194253
}
}
]
**Errors**
None
##updateAttributes
Update attributes for a model instance and persist it into the data source
**Definition**
PUT /locations/{id}
**Arguments**
* **data** An object containing property name/value pairs
* **id** The model id
**Example**
Request:
curl -X PUT -H "Content-Type:application/json" -d '{"name": "L2"}' \
http://localhost:3000/locations/88
Response:
{
"id": "88",
"street": "390 Lang Road",
"city": "Burlingame",
"zipcode": 94010,
"name": "L2",
"geo": {
"lat": 37.5874391,
"lng": -122.3381437
},
"state": "CA"
}
**Errors**
* 404 No instance found for the given id
##getAssociatedModel
Follow the relations from one model (`location`) to another one (`inventory`) to
get instances of the associated model.
**Definition**
GET /locations/{id}/inventory
**Arguments**
* **id** The id for the location model
**Example**
Request:
curl http://localhost:3000/locations/88/inventory
Response:
[
{
"productId": "2",
"locationId": "88",
"available": 10,
"total": 10
},
{
"productId": "3",
"locationId": "88",
"available": 1,
"total": 1
}
]
**Errors**
None
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