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Update location-retrieval with add maxSurface management #262

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Update location-retrieval with add maxSurface management #262

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64a09d7
Update location-retrieval.yaml
bigludo7 Oct 1, 2024
d03aa7f
Update location-retrieval.yaml
bigludo7 Oct 1, 2024
e767be5
Update location-retrieval.yaml
bigludo7 Oct 1, 2024
30ec4e3
Update code/API_definitions/location-retrieval.yaml
bigludo7 Oct 7, 2024
875025c
Update location-retrieval.yaml
bigludo7 Oct 22, 2024
ffb65a8
change line 109 wip to vwip
bigludo7 Dec 17, 2024
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Update code/API_definitions/location-retrieval.yaml
bigludo7 Dec 17, 2024
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38 changes: 34 additions & 4 deletions code/API_definitions/location-retrieval.yaml
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Expand Up @@ -13,7 +13,10 @@ info:

The retrieved shape depends on the network conditions at the device's location and any of the supported shapes could be received.

The requester could optionally ask for a freshness of the localization information by providing a `maxAge` ("I want a location not older than 600 seconds").
The requester could optionally ask for
* a freshness of the localization information by providing a `maxAge` ("I want a location not older than 600 seconds").
* an accuracy of the localization information by providing a `maxSurface` ("I want a location not larger than 1000000 square meters").


The result accuracy depends on the network's ability and accuracy to locate the device.

Expand Down Expand Up @@ -42,6 +45,13 @@ info:

* **Last Location Time** : Last date and time when the device was localized.

* **Max Surface**: Maximum surface in square meters which is accepted by the client for the location retrieval.

* absence of `maxSurface` means that "any surface size" is acceptable for the client.
* API implementation could specify in the documentation the `maxSurface` minimum acceptable (for exemple minimun of 10000 square meters allowed).
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I'd like to propose a minor rewording here, and fixing some typos:
API implementation could specify the minimum acceptable maxSurface in the documentation (for example a minimum of 10000 square meters are allowed).

* If the system is not able to provide an area with a surface acceptable with the client request, an error 422 with code LOCATION_RETRIEVAL.UNABLE_TO_FULFILL_MAX_SURFACE is sent back.
* Note: if both `maxAge` and `maxSurface` requirements fail, the system can either send back one or the other error code.


# API Functionality

Expand Down Expand Up @@ -87,7 +97,7 @@ info:
# Further info and support

(FAQs will be added in a later version of the documentation)
version: 0.3.0
version: wip
license:
name: Apache 2.0
url: https://www.apache.org/licenses/LICENSE-2.0.html
Expand All @@ -96,7 +106,7 @@ externalDocs:
description: Project documentation at Camara
url: https://github.com/camaraproject/DeviceLocation
servers:
- url: '{apiRoot}/location-retrieval/v0.3'
- url: '{apiRoot}/location-retrieval/vwip'
variables:
apiRoot:
default: http://localhost:9091
Expand Down Expand Up @@ -128,6 +138,15 @@ paths:
device:
phoneNumber: "+123456789"
maxAge: 120
INPUT_PHONE_NUMBER_MAX_AGE_AND_SURFACE:
summary: Phone number, maxAge and maxSurface
description: Retrieve location for a device identified by a phone number, providing a maxAge and maxSurface
value:
device:
phoneNumber: "+123456789"
maxAge: 120
maxSurface: 1000000

INPUT_IP_ADDRESS_V4:
summary: IPv4 address without maxAge
description: Retrieve location for a device identified by an IPv4 address, without an indication for maxAge
Expand Down Expand Up @@ -203,7 +222,11 @@ components:
maxAge:
type: integer
description: Maximum age of the location information which is accepted for the location retrieval (in seconds). Absence of maxAge means "any age" and maxAge=0 means a fresh calculation.

maxSurface:
type: integer
minimum: 1
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Not sure what would be realistically the minimum that a "best" implemention may provide, but likely above 100 m2. We may set 1 here and let implementations provide the minimum supported separately.

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As we allow a min radius of 1 probably we cannot have a min of 100m2. Probably good to add an note indicating that implementations will provide minimum.

description: Maximum surface in square meters which is accepted by the client for the location retrieval. Absence of maxSurface means "any surface size".
example: 1000000
Device:
description: |
End-user equipment able to connect to a mobile network. Examples of devices include smartphones or IoT sensors/actuators.
Expand Down Expand Up @@ -525,6 +548,13 @@ components:
status: 422
code: LOCATION_RETRIEVAL.UNABLE_TO_FULFILL_MAX_AGE
message: "Unable to provide expected freshness for location"
LOCATION_RETRIEVAL_422_UNABLE_TO_FULFILL_MAX_SURFACE:
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If the calculated area violates both age and surface conditions, is the implementer free to choose which 422 code to return ?
As an implementation note, we could recommend to check the age condition first because area comparison can require more computation than age comparison.

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Good point. I've added a note: if both maxAge and maxSurface requirements fail, the system can either send back one or the other error code.

I agree on your recommendation but not sure if we have to add in the yaml as it is more for the system than the client.

summary: Unable to provide expected surface maximum
description: Unable to provide expected surface for location retrieval request
value:
status: 422
code: LOCATION_RETRIEVAL.UNABLE_TO_FULFILL_MAX_SURFACE
message: "Unable to provide requested surface size maximum for location"
GENERIC_422_UNPROCESSABLE_ENTITY:
summary: Unprocessable entity
description: The request was well-formed but was unable to be processed due to semantic errors or not applicable values. This is the generic error code for 422 responses.
Expand Down
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