Title:

API Service for CRUD

Description

Consider a store which has an inventory of boxes which are all cuboid(which have length breadth and height). Each Cuboid has been added by a store employee who is associated as the creator of the box even if it is updated by any user later on.

Tasks:

0. Data Modelling

   Build minimal Models required for the such a store. You can use contrib modules for necessary models(for eg: users)

Build api for the following specifications:

1. Add Api:

   Adding a box with given dimensions(length breadth and height).

   Adding user should be automatically associated with the box and shall not be overridden

   Permissions:

      User should be logged in and should be staff to add the box
   

2. Update Api:

   Update dimensions of a box with a given id:

   Permissions:

      Any Staff user should be able to update any box. but shall not be able to update the creator or creation date
   

3. List all Api

   List all boxes available:

   Data For each box Required:

        1. Length
   
        2. width
   
        3. Height
   
        4. Area
   
        5. Volume
   
        6. Created By :  (This Key shall only be available if requesting user is staff)
   
        7. Last Updated :  (This Key shall only be available if requesting user is staff)
   

   Permissions:

        Any user shall be able to see boxes in the store
   

   Filters:

        1. Boxes with length_more_than or length_less_than
   
        2. Boxes with breadth_more_than or breadth_less_than
   
        3. Boxes with height_more_than or height_less_than
   
        4. Boxes with area_more_than or area_less_than
   
        5. Boxes with volume_more_than or volume_less_than
   
        6. Boxes created by a specific user by username
   
        7. Boxes created before or after a given date
   

4. List my boxes:

   List all boxes available created by me:

   Data For each box Required:

        1. Length
   
        2. width
   
        3. Height
   
        4. Area
   
        5. Volume
   
        6. Created By
   
        7. Last Updated
   

   Permissions:

        Only Staff user shall be able to see his/her created boxes in the store
   

   Filters:

        1. Boxes with length_more_than or length_less_than
   
        2. Boxes with breadth_more_than or breadth_less_than
   
        3. Boxes with height_more_than or height_less_than
   
        4. Boxes with area_more_than or area_less_than
   
        5. Boxes with volume_more_than or volume_less_than
   

5. Delete Api:

   Delete a box with a given id:

   Permissions:

     Only the creater of the box shall be able to delete the box.
   

Conditions to be fulfilled on each add/update/delete:

Average area of all added boxes should not exceed A1

Average volume of all boxes added by the current user shall not exceed V1

Total Boxes added in a week cannot be more than L1

Total Boxes added in a week by a user cannot be more than L2

Values A1, V1, L1 and L2 shall be configured externally. You can choose 100, 1000, 100, and 50 as their respective default values.