Apps

DataService Apps API allows users interact with the underlying app models. This API handles the registration and deletion of apps from the system.

Get List of Registered Apps

This retrieves a list of applications of the current user. This API first registers the application to the system, then it opens up a rabbitMQ queue.

GET /api/apps

Returns:

• success (string) – Returns ‘True’ if the list of application is successfully retrieved otherwise ‘False’

• app_list (list(string)) – The list of the current user’s application names.

Status Codes:

• 200 OK – Success

• 401 Unauthorized – Unauthorized Credentials

Example request:

GET /api/apps HTTP/1.1
Accept: application/json; charset=utf-8

Example response (for success):

HTTP/1.1 200 OK
Content-Type: application/json; charset=utf-8

{
  "success": "True",
  "app_list": [
    "app_example_1", "app_example_2", "app_example_3"
  ]
}

Example response (for failure):

HTTP/1.1 200 OK
Content-Type: application.json; charset=utf-8

{
  "success": "False",
  "error": "Missing Parameters"
}

Register a New App

This stores a new app for the current user.

If there already exists an application with the given name, this API call has no effect on BuildingDepot.

POST /api/apps

JSON Parameters:

• data (dict) – Contains the information of the new application to be registered.

  • name (string) – The name of the new application to be registered.

Returns:

• success (string) – Returns ‘True’ if adding a new application was successful or an application with the given name already exists. Otherwise ‘False’

• app_id (string) – If successful, contains the new RabbitMQ channel ID that corresponds to the new application.

Status Codes:

• 200 OK – Success

• 401 Unauthorized – Unauthorized Credentials

Example request:

POST /api/apps HTTP/1.1
Accept: application/json; charset=utf-8

{
  "data": {
    "name": "new_app_name"
  }
}

Example response (for success):

HTTP/1.1 200 OK
Content-Type: application/json

{
   "success": "True",
   "app_id": ""
}

Example response (for failure):

HTTP/1.1 200 OK
Content-Type: application/json

{
  "success": "False",
  "error": "Missing Parameters"
}

{
  "success": "False",
  "error": "Failed to connect broker"
}

{
  "success": "False",
  "error": "Failed to create queue"
}

Delete an App

This deletes an app of the current user.

DELETE /api/apps

JSON Parameters:

• data (dict) – Contains the information of the application to be deleted.

  • name (string) – The name of the application to be deleted.

Returns:

• success (string) – Returns ‘True’ if adding a new application was successful or an application with the given name already exists. Otherwise ‘False’

• error (string) – Details of an error if unsuccessful

Status Codes:

• 200 OK – Success

• 401 Unauthorized – Unauthorized Credentials

Example request:

DELETE /api/apps HTTP/1.1
Accept: application/json; charset=utf-8

{
  "data": {
    "name": "example_app_name"
  }
}

Example response (for success):

HTTP/1.1 200 OK
Content-Type: application/json

{
   "success": "True",
}

Example response (for failure):

HTTP/1.1 200 OK
Content-Type: application/json

{
  "success": "False",
  "error": "Missing Parameters"
}

{
  "success": "False",
  "error": "Failed to connect broker"
}

{
  "success": "False",
  "error": "Failed to delete queue"
}

Subscribe to a Sensor

This is used to subscribes to the sensor data.

POST /api/apps/subscription

JSON Parameters:

• data (dict) – Contains the information about the subscription.

  • app (string) – The name of the application.

  • sensor (string) – The name of the sensor to subscribe to.

Returns:

• success (string) – Returns ‘True’ if subscription was successful. Otherwise ‘False’

Status Codes:

• 200 OK – Success

• 401 Unauthorized – Unauthorized Credentials

Example request:

POST /api/apps HTTP/1.1
Accept: application/json; charset=utf-8

{
  "data": {
    "app": "app_name"
    "sensor": "sensor_uuid"
  }
}

Example response (for success):

HTTP/1.1 200 OK
Content-Type: application/json

{
   "success": "True"
}

Example response (for failure):

HTTP/1.1 200 OK
Content-Type: application/json

{
  "success": "False",
  "error": "Missing Parameters"
}

{
  "success": "False",
  "error": "Failed to connect to broker"
}

{
  "success": "False",
  "error": "Failed to bind queue"
}

{
  "success": "False",
  "error": "App id doesn't exist"
}

Unsubscribe from a Sensor

This is used to unsubscribes from the sensor data.

DELETE /api/apps/subscription

JSON Parameters:

• data (dict) – Contains the information about the unsubscription.

  • app (string) – The name of the application.

  • sensor (string) – The name of the sensor to unsubscribe from.

Returns:

• success (string) – Returns ‘True’ if unsubscription was successful. Otherwise ‘False’

Status Codes:

• 200 OK – Success

• 401 Unauthorized – Unauthorized Credentials

Example request:

DELETE /api/apps HTTP/1.1
Accept: application/json; charset=utf-8

{
  "data": {
    "app": "app_name"
    "sensor": "sensor_uuid"
  }
}

Example response (for success):

HTTP/1.1 200 OK
Content-Type: application/json

{
   "success": "True"
}

Example response (for failure):

HTTP/1.1 200 OK
Content-Type: application/json

{
  "success": "False",
  "error": "Missing Parameters"
}

{
  "success": "False",
  "error": "Failed to connect to broker"
}

{
  "success": "False",
  "error": "Failed to bind queue"
}

{
  "success": "False",
  "error": "App id doesn't exist"
}