finflo 1.10.55

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SCF_FSM_PACKAGE

A resuable python django package that can handle state transition and workflow's in your django application .

Description

• The finflo package is designed to handle the workflow management cycle .
• Your state transition's are made easy with finflo
• customizable Actions and states with on_flow interchangable
• Pre installed signature levels for each action

TECHNOLOGY STACK

IMPORTANT LINKS

1. Documentation
2. Postman collection

Authors

• @anandrajB

Prerequisite

• python
• Django
• Django-rest-framework

1. Installation

1.1 Initial setup

• Install finflo using pip

pip install finflo

• In your django application , browse to installed_apps section in settings.py and add this ,

INSTALLED_APPS = [
    'finflo',
    'rest_framework'
]

• Add this in your settings.py

FINFLO = {
    'WORK_MODEL' : ['MyApp.Model','MyApp2.Model2'],
    'PARTY_TYPE' : [] #optional
}

• The PARTY_TYPE is optional , if it is not needed you can leave it as blank like this []

• Navigate to the middleware section in your settings.py and add the finflo middleware

MIDDLEWARE = [
    'finflo.middleware.TransitionUserMiddleware',
]

• Now add this peice of code in your urls.py

urlpatterns = [
    path('', include('finflo.urls'))
]

1.2 Migrations

• once all the steps done from the above section 1.1 .
• now we can apply the migrations for the database using ,

- python manage.py makemigrations

- python manage.py migrate 

1.3 Re-migrate

• scenario 1 : if any new values is added to the WORK_MODEL
• example for scenario 1 :

# see 1.1 

FINFLO = {
    'WORK_MODEL' : ['MyApp.Model','MyApp2.Model2','MyApp3.Model3'],
    'PARTY_MODEL' : ['MyApp1.Model1'] 
}

• In the above 1.1 , you can see MyApp3.Model3 is newly addded
• Now you can remigrate the database without droping it simply by the below command .

- python manage.py migrate --fake finflo 0001
- python manage.py migrate finflo 0002

Usage

1. Once your setup is completed , whenever the objects in WORK_MODEL is created , the finflo automatically creates :

   • Transition manager
   • workflowitems
   • workevents

2. The transition for each model can be carried out with 2 methods:

   1. Navigate to the url : localhost/transition/

      • in the content section use the format as below and POST
      • {"type" : "MyApp.Model" , "action" : "MyAction" , "t_id" : "1"}

   2. In Postman , pass the following key in body as follows

      • t_id (transition_id)
      • type (model_type)
      • action
      • Example
        

3. Some important information for transition are as follows :

   Arguments	Data_Type
   type	str
   action	str
   t_id	int
   source	str
   interim	str
   target	str
   from_party	str
   to_party	str

API URLS

1. List of all Url's

Api URL's	METHOD	FORM DATA	QUERY_PARAMS
localhost/model/	GET	NONE	?type=Model&t_id=1 or or t_id=1
localhost/transition/	POST	action , type , t_id , optional : from_party , to_party , source , interim , target	NONE
localhost/transition/reset/	POST	type , t_id	NONE
localhost/action/	GET , POST	description , model , from_state ,to_state , from_party , to_party , stage_required	?action=MYACTION or ?action=MYACTION&?model=Model
localhost/signatures/	GET , POST	name , sub_action_name	NONE
localhost/party-type/	GET , POST	description	NONE
localhost/states/	GET , POST	description	NONE
localhost/workflowitems/	GET	NONE	NONE
localhost/workevents/	GET	NONE	NONE

Support

For support, contact

1. [e-mail]
2. [e-mail]