Checkout the Following Repo

Requiremnets

Mysql db (get the mysql file in app/db folder)
Redis
Apache mod rewrite should be enabled

Make a virtual host which points till the app/webroot directory

eg DocumentRoot "/var/wdocumenww/html/ProductsApi/app/webroot"

for simplicity assume the endpoint is http://localhost.productsapi/

To upload the image make a POST request to following URL and parameter image should consist of the image

Request
	
http://localhost.productsapi/Images/upload

The field name of the image should be "image".

On a successful request following output will be return 

Response

{"status":"Success","message":"Image stored in redis successfully","image_id":"product_images_1481495072_2c012"}

To store the products info you need to send the image_id received in response of above request make a post request to following url and send the data as json mentioned below

Request

http://localhost.productsapi/Products/add/
	
{
	"image_id":"product_images_1481495072_2c012",
	"name":"Test",
	"price":"400"
}

Response

{"status":"Success","message":"Products Inserted Successfully","id":"3"}

To get the products info hit the following url as a GET request

Request

http://localhost.productsapi/Products/

Response

{"data":[{"Product":{"product_id":"1","product_name":"testabc","image":"http:\/\/localhost.productsapi\/img\/product_images_1481479749_2c012_actual_image.jpeg","image_256":"http:\/\/localhost.productsapi\/img\/product_images_1481479749_2c012_256_pixel_image.jpeg","image_512":"http:\/\/localhost.productsapi\/img\/product_images_1481479749_2c012_512_pixel_image.jpeg","price":"400","creation_date":"2016-12-12","updation_date":"2016-12-12 03:17:27","is_deleted":"0"}},{"Product":{"product_id":"3","product_name":"Test","image":"http:\/\/localhost.productsapi\/img\/product_images_1481495072_2c012_actual_image.jpeg","image_256":"http:\/\/localhost.productsapi\/img\/product_images_1481495072_2c012_256_pixel_image.jpeg","image_512":"http:\/\/localhost.productsapi\/img\/product_images_1481495072_2c012_512_pixel_image.jpeg","price":"400","creation_date":"2016-12-12","updation_date":"2016-12-12 04:07:14","is_deleted":"0"}}],"status":"Success"}

To delete the keys from redis which has been processed

To delete it manually run the following command

cd $project
sudo app/Console/cake imageConsole delete_processed_images_from_redis

Alternatively we can set a cron which runs every 5 minutes ,by doing crontab -e and add the following line 
5  *    *    *    *  cd /var/www/html/ProductsApi/app && Console/cake imageConsole delete_processed_images_from_redis>>/var/www/html/ProductsApi/app/tmp/logs/delete_processed_images_from_redis.log

Additional Apis

To update product details

Request: Make the following post Request

http://localhost.productsapi/Products/update/1

{
	"image_id":"product_images_1481495072_2c012",
	"name":"Test123",
	"price":"4000"
	}
	
Response

{"status":"Success","message":"Product Details Updated Successfully"}

To get product info of a particular id

Request: Make a get Request to the following URL

http://localhost.productsapi/Products/1

Response

{"data":[{"Product":{"product_id":"1","product_name":"testabc","image":"http:\/\/localhost.productsapi\/img\/product_images_1481479749_2c012_actual_image.jpeg","image_256":"http:\/\/localhost.productsapi\/img\/product_images_1481479749_2c012_256_pixel_image.jpeg","image_512":"http:\/\/localhost.productsapi\/img\/product_images_1481479749_2c012_512_pixel_image.jpeg","price":"400","creation_date":"2016-12-12","updation_date":"2016-12-12 03:17:27","is_deleted":"0"}}],"status":"Success"}

To delete a product

Request: Make a post Request to the folllowing url

http://localhost.productsapi/Products/delete/1

Response

{"status":"Success","message":"Products Deleted Successfully"}