/
workflow.go
291 lines (255 loc) · 6.92 KB
/
workflow.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
package models
import (
"errors"
"fmt"
"reflect"
"strings"
"github.com/astaxie/beego/orm"
"time"
"github.com/astaxie/beego"
)
type Workflow struct {
Id int64 `orm:"pk;auto;column(id)" json:"id"`
Name string `orm:"" json:"name"`
Description string `orm:"" json:"description"`
Status string `orm:"" json:"status"`
Scenario *WorkflowScenario `orm:"rel(fk);column(workflow_scenario_id);null" json:"scenario"`
Scenarios []*WorkflowScenario `orm:"reverse(many)" json:"scenarios"`
Scripts []*Script `orm:"rel(m2m);rel_through(github.com/e154/smart-home/api/models.WorkflowScript)" json:"scripts"`
Flows []*Flow `orm:"-" json:"flows"`
Created_at time.Time `orm:"auto_now_add;type(datetime);column(created_at)" json:"created_at"`
Update_at time.Time `orm:"auto_now;type(datetime);column(update_at)" json:"update_at"`
}
func (m *Workflow) TableName() string {
return beego.AppConfig.String("db_workflows")
}
func init() {
orm.RegisterModel(new(Workflow))
}
// AddWorkflow insert a new Workflow into database and returns
// last inserted Id on success.
func AddWorkflow(m *Workflow) (id int64, err error) {
o := orm.NewOrm()
id, err = o.Insert(m)
return
}
// GetWorkflowById retrieves Workflow by Id. Returns error if
// Id doesn't exist
func GetWorkflowById(id int64) (v *Workflow, err error) {
o := orm.NewOrm()
v = &Workflow{Id: id}
if err = o.Read(v); err == nil {
return v, nil
}
return nil, err
}
// GetAllWorkflow retrieves all Workflow matches certain condition. Returns empty list if
// no records exist
func GetAllWorkflow(query map[string]string, fields []string, sortby []string, order []string,
offset int64, limit int64) (ml []interface{}, meta *map[string]int64, err error) {
o := orm.NewOrm()
qs := o.QueryTable(new(Workflow))
// query k=v
for k, v := range query {
// rewrite dot-notation to Object__Attribute
k = strings.Replace(k, ".", "__", -1)
qs = qs.Filter(k, v)
}
// order by:
var sortFields []string
if len(sortby) != 0 {
if len(sortby) == len(order) {
// 1) for each sort field, there is an associated order
for i, v := range sortby {
orderby := ""
if order[i] == "desc" {
orderby = "-" + v
} else if order[i] == "asc" {
orderby = v
} else {
return nil, nil, errors.New("Error: Invalid order. Must be either [asc|desc]")
}
sortFields = append(sortFields, orderby)
}
qs = qs.OrderBy(sortFields...)
} else if len(sortby) != len(order) && len(order) == 1 {
// 2) there is exactly one order, all the sorted fields will be sorted by this order
for _, v := range sortby {
orderby := ""
if order[0] == "desc" {
orderby = "-" + v
} else if order[0] == "asc" {
orderby = v
} else {
return nil, nil, errors.New("Error: Invalid order. Must be either [asc|desc]")
}
sortFields = append(sortFields, orderby)
}
} else if len(sortby) != len(order) && len(order) != 1 {
return nil, nil, errors.New("Error: 'sortby', 'order' sizes mismatch or 'order' size is not 1")
}
} else {
if len(order) != 0 {
return nil, nil, errors.New("Error: unused 'order' fields")
}
}
var l []Workflow
qs = qs.OrderBy(sortFields...)
objects_count, err := qs.Count()
if err != nil {
return
}
if _, err = qs.Limit(limit, offset).All(&l, fields...); err == nil {
if len(fields) == 0 {
for _, v := range l {
ml = append(ml, v)
}
} else {
// trim unused fields
for _, v := range l {
m := make(map[string]interface{})
val := reflect.ValueOf(v)
for _, fname := range fields {
m[fname] = val.FieldByName(fname).Interface()
}
ml = append(ml, m)
}
}
meta = &map[string]int64{
"objects_count": objects_count,
"limit": limit,
"offset": offset,
}
return ml, meta, nil
}
return nil, nil, err
}
// UpdateWorkflow updates Workflow by Id and returns error if
// the record to be updated doesn't exist
func UpdateWorkflowById(m *Workflow) (err error) {
o := orm.NewOrm()
v := Workflow{Id: m.Id}
// ascertain id exists in the database
if err = o.Read(&v); err == nil {
var num int64
if num, err = o.Update(m); err == nil {
fmt.Println("Number of records updated in database:", num)
}
}
return
}
// DeleteWorkflow deletes Workflow by Id and returns error if
// the record to be deleted doesn't exist
func DeleteWorkflow(id int64) (err error) {
o := orm.NewOrm()
v := Workflow{Id: id}
// ascertain id exists in the database
if err = o.Read(&v); err == nil {
var num int64
if num, err = o.Delete(&Workflow{Id: id}); err == nil {
fmt.Println("Number of records deleted in database:", num)
}
}
return
}
func GetAllEnabledWorkflow() (wfs []*Workflow, err error) {
o := orm.NewOrm()
wfs = []*Workflow{}
_, err = o.QueryTable(&Workflow{}).Filter("status", "enabled").All(&wfs)
return
}
func (wf *Workflow) GetAllEnabledWorkers() ([]*Worker, error) {
return GetAllEnabledWorkersByWorkflow(&Workflow{Id:wf.Id})
}
func (wf *Workflow) GetAllEnabledFlows() (flows []*Flow, err error) {
o := orm.NewOrm()
flows = []*Flow{}
_, err = o.QueryTable(&Flow{}).Filter("status", "enabled").Filter("workflow_id", wf.Id).Filter("workflow_scenario_id", wf.Scenario.Id).All(&flows)
return
}
func (wf *Workflow) GetScripts() (int64, error) {
o := orm.NewOrm()
return o.LoadRelated(wf, "Scripts")
}
func (wf *Workflow) GetScenario() (int64, error) {
o := orm.NewOrm()
if wf.Scenario != nil {
return o.LoadRelated(wf, "Scenario")
}
return 0, nil
}
func (wf *Workflow) GetScenarios() (int64, error) {
o := orm.NewOrm()
return o.LoadRelated(wf, "Scenarios")
}
func (wf *Workflow) GetScenarioById(id int64) (scenario *WorkflowScenario, err error) {
o := orm.NewOrm()
scenario = &WorkflowScenario{
Workflow: wf,
Id: id,
}
if err = o.Read(scenario, "Id", "Workflow"); err != nil {
return
}
_, err = o.LoadRelated(scenario, "Scripts")
return
}
func (wf *Workflow) AddScripts(scripts []*Script) (num int64, err error) {
if len(scripts) == 0 {
return
}
o := orm.NewOrm()
m2m := o.QueryM2M(wf, "Scripts")
num, err = m2m.Add(scripts)
if err == nil {
fmt.Println("Added nums: ", num)
}
return
}
func (wf *Workflow) RemoveScripts(scripts []*Script) (num int64, err error) {
if len(scripts) == 0 {
return
}
o := orm.NewOrm()
m2m := o.QueryM2M(wf, "Scripts")
num, err = m2m.Remove(scripts)
if err == nil {
fmt.Println("Removed nums: ", num)
}
return
}
func (wf *Workflow) UpdateScripts(scripts []*Script) (num int64, err error) {
var add, rem []*Script
var exist bool
for _, s1 := range wf.Scripts {
exist = false
for _, s2 := range scripts {
if s1.Id == s2.Id {
exist = true
break
}
}
if !exist {
rem = append(rem, s1)
}
}
for _, s1 := range scripts {
exist = false
for _, s2 := range wf.Scripts {
if s1.Id == s2.Id {
exist = true
break
}
}
if !exist {
add = append(add, s1)
}
}
if _, err = wf.RemoveScripts(rem); err != nil {
return
}
if _, err = wf.AddScripts(add); err != nil {
return
}
return
}