goflow

goflow

go workflow framework

1 feature：

1.a workflow micro service

2.simple and work

3.use json define a workflow process

4.use mysql as database and gorm library

2 Quick start

2.1 clone project to local disk

git clone this repo to local disk

2.2 mysql database set

create a database in mysql. run source db.sql for create table run source init.sql for init data edit config.json Dsn field

2.3 run project

go mod tidy install dependency go run main.go use a web browser visit http://localhost:8080 example.png shows how example process run.

3 test.json

this file is a sample process config, store in table [procdef] field [resource]

3.1 start node

only one node in process config to start process.

3.2 task node

multiple nodes as approve node, set approvers in there node.

3.3 fork node

multiple nodes as fork, set conditions to check which node next.

3.4 end node

multiple nodes as end, end the process.

4 goflow database design

4.1 relative files

db.sql : this file is create tables in mysql init.sql : this file is init an example apply vacation process define

4.2 procdef

procdef store flow config. key fields: name process name', resource a json string for process define,

4.3 procinst

proc_inst store process instance，when user start a process,this table will insert one row.

key fields:

name starter name+process name, procdef_id process define ID from table procdef, create_id creator user id, create_name creator user name, current_flow current flow id from table procflow, current_name current node name,

4.4 procflow

procflow store process flow，will record process sequence flow，

key fields:

procdef_id process define ID from table procdef, procinst_id process instance ID from table procinst, prev_flow_id previous flow ID, prev_id previous node id, node_id current node id, node_name current node name, node_type current node type, create_id creator user id,

4.5 approve

approve store approver list，

key fields:

procinst_id process instance ID, procflow_id process flow ID, form_id form ID, user_id approver id, user_name approver name, node_type approve type: [and] for and sign, [or] for or sign, node_id node id, data json data store reason and other attached data, deal_time approve time, deal_result [ok] or [ng],

4.6 formdata

formdata store user input form data，

key fields:

form_id form ID from form table, procinst_id process instance id, form_name form name, task_id task id, form_data json data store form data,

4.7 form

form store a html template for user input

key fields:

form_name form name, form html template string, form_desc form field description,