multitenantStack/models/companyData.go

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package models
import (
"errors"
"fmt"
"reflect"
"strings"
"time"
"github.com/astaxie/beego/orm"
)
type CompanyData struct {
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Id int `orm:"column(id);"`
Key string `orm:"column(key)"`
Value string `orm:"column(value);null"`
Data string `orm:"column(data);null"`
ModifiedBy int64 `orm:"column(modifiedBy);"`
Created time.Time `orm:"column(created);type(timestamp with time zone);auto_now_add"`
Modified time.Time `orm:"column(modified);type(timestamp with time zone);auto_now_add"`
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}
func (t *CompanyData) TableName() string {
return "company_data"
}
func init() {
orm.RegisterModel(new(CompanyData))
}
// AddCompanyData insert a new CompanyData into database and returns
// last inserted Id on success.
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func AddCompanyData(o orm.Ormer, m *CompanyData) (id int64, err error) {
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id, err = o.Insert(m)
return
}
// GetCompanyDataById retrieves CompanyData by Id. Returns error if
// Id doesn't exist
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func GetCompanyDataById(o orm.Ormer, id int) (v *CompanyData, err error) {
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v = &CompanyData{Id: id}
if err = o.Read(v); err == nil {
return v, nil
}
return nil, err
}
// GetAllCompanyData retrieves all CompanyData matches certain condition. Returns empty list if
// no records exist
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func GetAllCompanyData(o orm.Ormer, query map[string]string, fields []string, sortby []string, order []string,
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offset int64, limit int64) (ml []interface{}, err error) {
qs := o.QueryTable(new(CompanyData))
// query k=v
for k, v := range query {
// rewrite dot-notation to Object__Attribute
k = strings.Replace(k, ".", "__", -1)
if strings.Contains(k, "isnull") {
qs = qs.Filter(k, (v == "true" || v == "1"))
} else {
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, 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, 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, errors.New("Error: 'sortby', 'order' sizes mismatch or 'order' size is not 1")
}
} else {
if len(order) != 0 {
return nil, errors.New("Error: unused 'order' fields")
}
}
var l []CompanyData
qs = qs.OrderBy(sortFields...)
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)
}
}
return ml, nil
}
return nil, err
}
// UpdateCompanyData updates CompanyData by Id and returns error if
// the record to be updated doesn't exist
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func UpdateCompanyDataById(o orm.Ormer, m *CompanyData) (err error) {
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m.Modified = time.Now()
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v := CompanyData{Id: m.Id}
// ascertain id exists in the database
if err = o.Read(&v); err == nil {
m.Created = v.Created
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var num int64
if num, err = o.Update(m); err == nil {
fmt.Println("Number of records updated in database:", num)
}
}
return
}
// DeleteCompanyData deletes CompanyData by Id and returns error if
// the record to be deleted doesn't exist
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func DeleteCompanyData(o orm.Ormer, id int) (err error) {
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v := CompanyData{Id: id}
// ascertain id exists in the database
if err = o.Read(&v); err == nil {
var num int64
if num, err = o.Delete(&CompanyData{Id: id}); err == nil {
fmt.Println("Number of records deleted in database:", num)
}
}
return
}