/
workflow.go
246 lines (208 loc) · 6.09 KB
/
workflow.go
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// This file is part of the Smart Home
// Program complex distribution https://github.com/e154/smart-home
// Copyright (C) 2016-2020, Filippov Alex
//
// This library is free software: you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 3 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library. If not, see
// <https://www.gnu.org/licenses/>.
package db
import (
"database/sql"
"errors"
"fmt"
"github.com/jinzhu/gorm"
"time"
)
type Workflows struct {
Db *gorm.DB
}
type Workflow struct {
Id int64 `gorm:"primary_key"`
Name string
Description string
Status string
WorkflowScenarioId *int64
WorkflowScenario *WorkflowScenario
Scenarios []*WorkflowScenario
Scripts []*Script
CreatedAt time.Time
UpdatedAt time.Time
//Flows []*Flow `orm:"-" json:"flows"`
}
func (d *Workflow) TableName() string {
return "workflows"
}
func (n Workflows) Add(workflow *Workflow) (id int64, err error) {
if err = n.Db.Create(&workflow).Error; err != nil {
return
}
id = workflow.Id
return
}
func (n Workflows) GetAllEnabled() (list []*Workflow, err error) {
list = make([]*Workflow, 0)
err = n.Db.Where("status = ?", "enabled").
Find(&list).Error
if err != nil {
return
}
for _, item := range list {
if err = n.DependencyLoading(item); err != nil {
return
}
}
return
}
func (n Workflows) GetById(workflowId int64) (workflow *Workflow, err error) {
workflow = &Workflow{Id: workflowId}
if err = n.Db.First(&workflow).Error; err != nil {
return
}
err = n.DependencyLoading(workflow)
return
}
func (n Workflows) GetByWorkflowScenarioId(workflowScenarioId int64) (workflow *Workflow, err error) {
result := make([]*Workflow, 0)
if err = n.Db.Raw(`select w.*
from workflow_scenarios ws
left join workflows w on ws.workflow_id = w.id
where ws.id = ?`, workflowScenarioId).Scan(&result).Error; err != nil {
return
}
if len(result) == 0 {
err = errors.New("not found")
return
}
workflow = result[0]
err = n.DependencyLoading(workflow)
return
}
func (n Workflows) Update(m *Workflow) (err error) {
updateParams := map[string]interface{}{
"name": m.Name,
"description": m.Description,
"status": m.Status,
}
if m.WorkflowScenarioId != nil {
updateParams["workflow_scenario_id"] = m.WorkflowScenarioId
}
err = n.Db.Model(&Workflow{Id: m.Id}).Updates(updateParams).Error
return
}
func (n Workflows) Delete(workflowId int64) (err error) {
err = n.Db.Delete(&Workflow{Id: workflowId}).Error
return
}
func (n *Workflows) List(limit, offset int64, orderBy, sort string, onlyEnabled bool) (list []*Workflow, total int64, err error) {
if err = n.Db.Model(Workflow{}).Count(&total).Error; err != nil {
return
}
list = make([]*Workflow, 0)
q := n.Db.
Limit(limit).
Offset(offset).
Order(fmt.Sprintf("%s %s", sort, orderBy))
if onlyEnabled {
q = q.Where("status = ?", "enabled")
}
err = q.
Find(&list).
Error
if err != nil {
return
}
for _, item := range list {
if err = n.DependencyLoading(item); err != nil {
return
}
}
return
}
func (n *Workflows) DependencyLoading(workflow *Workflow) (err error) {
workflow.Scenarios = make([]*WorkflowScenario, 0)
workflow.Scripts = make([]*Script, 0)
//fmt.Println("----")
//debug.Println(workflow)
//fmt.Println("----")
// load scripts
var rows1, rows3 *sql.Rows
rows1, err = n.Db.Model(&WorkflowScripts{}).
Where("workflow_scripts.workflow_id = ?", workflow.Id).
Joins("left join scripts s on workflow_scripts.script_id = s.id").
Select("s.id, s.lang, s.name, s.source, s.description, s.compiled, s.created_at, s.updated_at").
Rows()
if err != nil {
return
}
defer rows1.Close()
for rows1.Next() {
s := &Script{}
rows1.Scan(&s.Id, &s.Lang, &s.Name, &s.Source, &s.Description, &s.Compiled, &s.CreatedAt, &s.UpdatedAt)
workflow.Scripts = append(workflow.Scripts, s)
}
// load scenarios
err = n.Db.Model(&WorkflowScenario{}).
Where("workflow_scenarios.workflow_id = ?", workflow.Id).
Find(&workflow.Scenarios).Error
if err != nil {
return
}
// load scenarios scripts
for _, scenario := range workflow.Scenarios {
scenario.Scripts = make([]*Script, 0)
rows3, err = n.Db.Model(&WorkflowScenarioScript{}).
Where("workflow_scenario_scripts.workflow_scenario_id = ?", scenario.Id).
Joins("left join scripts s on workflow_scenario_scripts.script_id = s.id").
Select("s.id, s.lang, s.name, s.source, s.description, s.compiled, s.created_at, s.updated_at").
Rows()
if err != nil {
return
}
defer rows3.Close()
for rows3.Next() {
s := &Script{}
rows3.Scan(&s.Id, &s.Lang, &s.Name, &s.Source, &s.Description, &s.Compiled, &s.CreatedAt, &s.UpdatedAt)
scenario.Scripts = append(scenario.Scripts, s)
}
}
return
}
func (n *Workflows) AddScript(workflowId, scriptId int64) (err error) {
err = n.Db.Create(&WorkflowScripts{
WorkflowId: workflowId,
ScriptId: scriptId,
Weight: 0,
}).Error
return
}
func (n *Workflows) RemoveScript(workflowId, scriptId int64) (err error) {
err = n.Db.Delete(&WorkflowScripts{}, "workflow_id = ? and script_id = ?", workflowId, scriptId).Error
return
}
func (n *Workflows) SetScenario(workflowId int64, scenarioId *int64) (err error) {
err = n.Db.Model(&Workflow{Id: workflowId}).Updates(map[string]interface{}{
"workflow_scenario_id": scenarioId,
}).Error
return
}
func (n *Workflows) Search(query string, limit, offset int) (list []*Workflow, total int64, err error) {
q := n.Db.Model(&Workflow{}).
Where("name LIKE ?", "%"+query+"%").
Order("name ASC")
if err = q.Count(&total).Error; err != nil {
return
}
list = make([]*Workflow, 0)
err = q.Find(&list).Error
return
}