Description
Design and implement a production-grade horizontally scalable service that implements a
simple ephemeral text message service. You can think of it a little like Snapchat. Note that we have
some tests we would like to run against your service so it’s important that the endpoints and
json attributes are named according to spec.
Please include a readme with
The service has three endpoints for accessing data:
Unformatted Attachment Preview
Design and implement a production-grade horizontally scalable service that implements a
simple ephemeral text message service. You can think of it a little like Snapchat. , and
storage solution you wish. Note that we have some tests we would like to run against your
service so it’s important that the endpoints and json attributes are named according to spec.
Please include a readme with
Instructions on how to compile your service
Instructions on how to run your service locally
The decisions you made
The limitations of your implementation
What you would do if you had more time
How you would scale it in the future
The service has three endpoints for accessing data:
POST /chat
Creates a new text message for passed in username.
Request body properties
Name
Type
Description
Required
username
String
The recipient of the message
Y
n/a text
String
The content of the message
Default Value
Y
n/a
timeout
Integer
The number of seconds the message
should live before
expiring
Example request body
{
{
"username": "paulrad",
"text": "This is a
message", "timeout": 60
}
}
N
60
Response
A success response will include:
● a status code of 201 Created
● a body with a JSON object containing the id of the newly-created message, for
example:
{ "id": 5488 }
GET /chat/:id
Returns the message object for the given id. This service can return both expired
and unexpired messages. You can think of this as an admin endpoint.
Response
A success response will include:
●
a JSON response which contains the username, text, and expiration
date. Example response body
{
"username": "paulrad", "text": "This is
a message" "expiration_date": "2015-0812 06:22:52"
}
GET /chats/:username
Returns a list of all unexpired texts for the user with the given username. Any texts
that are received are then expired and will not show up in subsequent calls to
this endpoint.
Response
A success response will include:
●
a JSON array of messages, each of which contains the message's ID
and text.
Example response body
[
{
"id": 345,
"text": "This is a message"
},
{
"id": 95958,
"text": "This is also a message"
}
]
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