Scale Image

This application is based on PlayFramework and uses a Srcimage library to modify images.

Project includes following:

• Ability to upload multiple files from UI
• Ability to upload multiple files from API request.
• Ability to accept multipart/form-data requests.
• Ability to accept JSON requests with BASE64 encoded images.
• Ability to upload images at a given URL (image posted somewhere on the Internet).
• Create a square preview of the image for a given width and height (default size 100px by 100px).
• Tests (Unit, Browser, Functional and Integration).
• Docker integration

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes.

Development Dependencies

scala

sbt

docker

Running The Application

From The Terminal

To run the application please invoke the following command:

sbt run

This will start the server in dev mode listening on port 9000.

$ sbt run
[info] Loading settings for project global-plugins from idea.sbt ...
[info] Loading global plugins from /.sbt/1.0/plugins
[info] Updating ProjectRef(uri("file:/.sbt/1.0/plugins/"), "global-plugins")...
[info] Done updating.
[info] Loading settings for project scale-image-build from plugins.sbt ...
[info] Loading project definition from /IdeaProjects/scale-image/project
[warn] There may be incompatibilities among your library dependencies; run 'evicted' to see detailed eviction warnings.
[info] Loading settings for project squarepreview from build.sbt ...
[info] Set current project to scale-image (in build file:/IdeaProjects/scale-image/)

--- (Running the application, auto-reloading is enabled) ---

[info] p.c.s.AkkaHttpServer - Listening for HTTP on /0:0:0:0:0:0:0:0:9000

(Server started, use Enter to stop and go back to the console...)

Docker

To run in production mode inside a Docker container simply run command below:

docker-compose up

You can access to web UI via url:

http://localhost:9000 

Running The Tests

From The Terminal

To execute the entire test suite run this command:

sbt test

Test results:

[info] ScalaTest
[info] Run completed in 1 minute, 34 seconds.
[info] Total number of tests run: 46
[info] Suites: completed 6, aborted 0
[info] Tests: succeeded 46, failed 0, canceled 0, ignored 0, pending 0
[info] All tests passed.
[info] Passed: Total 46, Failed 0, Errors 0, Passed 46
[success] Total time: 118 s, completed Aug 13, 2019 2:28:22 PM

API documentation

POST /api/file-upload?width=100&height=100

localhost:9000/api/file-upload?width=100&height=100

Accepts multipart/form-data requests with multiple files and returns image urls as JSON

---

POST /api/data-upload?width=100&height=100

localhost:9000/api/data-upload?width=100&height=100

Accepts application/json requests with Dase64 encoded file bytes and returns image urls as JSON

Data Example:

{
  "file": [
    { "content": "iVBORw0KGgoAAAANSUhEUgAAAMoAAACyCAYAAAADFFAEAAAABHNCSVQICAgIfAhkiAAAABl0RVh0" },
    { "content": "iVBORw0KGgoAAAANSUhEUgAAAMoAAACyCAYAAAADFFAEAAAABHNCSVQICAgIfAhkiAAAABl0RVh0" },
  ]
}

---

POST /api/from-url?url=image_url&width=100&height=100

localhost:9000/api/from-url?url=image_url&width=100&height=100

Accepts image url as query parameter and returns image url as JSON

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