546 lines
14 KiB
Go
546 lines
14 KiB
Go
package boil
|
|
|
|
import (
|
|
"database/sql"
|
|
"fmt"
|
|
"math"
|
|
"math/rand"
|
|
"reflect"
|
|
"regexp"
|
|
"sort"
|
|
"time"
|
|
|
|
"github.com/nullbio/sqlboiler/strmangle"
|
|
"gopkg.in/nullbio/null.v4"
|
|
)
|
|
|
|
var (
|
|
typeNullFloat32 = reflect.TypeOf(null.Float32{})
|
|
typeNullFloat64 = reflect.TypeOf(null.Float64{})
|
|
typeNullInt = reflect.TypeOf(null.Int{})
|
|
typeNullInt8 = reflect.TypeOf(null.Int8{})
|
|
typeNullInt16 = reflect.TypeOf(null.Int16{})
|
|
typeNullInt32 = reflect.TypeOf(null.Int32{})
|
|
typeNullInt64 = reflect.TypeOf(null.Int64{})
|
|
typeNullUint = reflect.TypeOf(null.Uint{})
|
|
typeNullUint8 = reflect.TypeOf(null.Uint8{})
|
|
typeNullUint16 = reflect.TypeOf(null.Uint16{})
|
|
typeNullUint32 = reflect.TypeOf(null.Uint32{})
|
|
typeNullUint64 = reflect.TypeOf(null.Uint64{})
|
|
typeNullString = reflect.TypeOf(null.String{})
|
|
typeNullBool = reflect.TypeOf(null.Bool{})
|
|
typeNullTime = reflect.TypeOf(null.Time{})
|
|
typeTime = reflect.TypeOf(time.Time{})
|
|
|
|
rgxValidTime = regexp.MustCompile(`[2-9]+`)
|
|
)
|
|
|
|
// Bind executes the query and inserts the
|
|
// result into the passed in object pointer
|
|
func (q *Query) Bind(obj interface{}) error {
|
|
typ := reflect.TypeOf(obj)
|
|
kind := typ.Kind()
|
|
|
|
if kind != reflect.Ptr {
|
|
return fmt.Errorf("Bind not given a pointer to a slice or struct: %s", typ.String())
|
|
}
|
|
|
|
typ = typ.Elem()
|
|
kind = typ.Kind()
|
|
|
|
if kind == reflect.Struct {
|
|
row := ExecQueryOne(q)
|
|
err := BindOne(row, q.selectCols, obj)
|
|
if err != nil {
|
|
return fmt.Errorf("Failed to execute Bind query for %s: %s", q.table, err)
|
|
}
|
|
} else if kind == reflect.Slice {
|
|
rows, err := ExecQueryAll(q)
|
|
if err != nil {
|
|
return fmt.Errorf("Failed to execute Bind query for %s: %s", q.table, err)
|
|
}
|
|
err = BindAll(rows, q.selectCols, obj)
|
|
if err != nil {
|
|
return fmt.Errorf("Failed to Bind results to object provided for %s: %s", q.table, err)
|
|
}
|
|
} else {
|
|
return fmt.Errorf("Bind given a pointer to a non-slice or non-struct: %s", typ.String())
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// BindOne inserts the returned row columns into the
|
|
// passed in object pointer
|
|
func BindOne(row *sql.Row, selectCols []string, obj interface{}) error {
|
|
kind := reflect.ValueOf(obj).Kind()
|
|
if kind != reflect.Ptr {
|
|
return fmt.Errorf("BindOne given a non-pointer type")
|
|
}
|
|
|
|
pointers := GetStructPointers(obj, selectCols...)
|
|
if err := row.Scan(pointers...); err != nil {
|
|
return fmt.Errorf("Unable to scan into pointers: %s", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// BindAll inserts the returned rows columns into the
|
|
// passed in slice of object pointers
|
|
func BindAll(rows *sql.Rows, selectCols []string, obj interface{}) error {
|
|
ptrSlice := reflect.ValueOf(obj)
|
|
typ := ptrSlice.Type()
|
|
ptrSlice = ptrSlice.Elem()
|
|
kind := typ.Kind()
|
|
|
|
var structTyp reflect.Type
|
|
|
|
for i, exp := range []reflect.Kind{reflect.Ptr, reflect.Slice, reflect.Ptr, reflect.Struct} {
|
|
if i != 0 {
|
|
typ = typ.Elem()
|
|
kind = typ.Kind()
|
|
}
|
|
|
|
if kind != exp {
|
|
return fmt.Errorf("[%d] BindAll object type should be *[]*Type but was: %s", i, ptrSlice.Type().String())
|
|
}
|
|
|
|
if kind == reflect.Struct {
|
|
structTyp = typ
|
|
}
|
|
}
|
|
|
|
for rows.Next() {
|
|
newStruct := reflect.New(structTyp)
|
|
pointers := GetStructPointers(newStruct.Interface(), selectCols...)
|
|
if err := rows.Scan(pointers...); err != nil {
|
|
return fmt.Errorf("Unable to scan into pointers: %s", err)
|
|
}
|
|
|
|
ptrSlice.Set(reflect.Append(ptrSlice, newStruct))
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func checkType(obj interface{}) (reflect.Type, bool, error) {
|
|
val := reflect.ValueOf(obj)
|
|
typ := val.Type()
|
|
kind := val.Kind()
|
|
|
|
if kind != reflect.Ptr {
|
|
return nil, false, fmt.Errorf("Bind must be given pointers to structs but got type: %s, kind: %s", typ.String(), kind)
|
|
}
|
|
|
|
typ = typ.Elem()
|
|
kind = typ.Kind()
|
|
isSlice := false
|
|
|
|
switch kind {
|
|
case reflect.Slice:
|
|
typ = typ.Elem()
|
|
kind = typ.Kind()
|
|
isSlice = true
|
|
case reflect.Struct:
|
|
return typ, isSlice, nil
|
|
default:
|
|
return nil, false, fmt.Errorf("Bind was given an invalid object must be []*T or *T but got type: %s, kind: %s", typ.String(), kind)
|
|
}
|
|
|
|
if kind != reflect.Ptr {
|
|
return nil, false, fmt.Errorf("Bind must be given pointers to structs but got type: %s, kind: %s", typ.String(), kind)
|
|
}
|
|
|
|
typ = typ.Elem()
|
|
kind = typ.Kind()
|
|
|
|
if kind != reflect.Struct {
|
|
return nil, false, fmt.Errorf("Bind must be a struct but got type: %s, kind: %s", typ.String(), kind)
|
|
}
|
|
|
|
return typ, isSlice, nil
|
|
}
|
|
|
|
// IsZeroValue checks if the variables with matching columns in obj
|
|
// are or are not zero values, depending on whether shouldZero is true or false
|
|
func IsZeroValue(obj interface{}, shouldZero bool, columns ...string) []error {
|
|
val := reflect.Indirect(reflect.ValueOf(obj))
|
|
|
|
var errs []error
|
|
for _, c := range columns {
|
|
field := val.FieldByName(strmangle.TitleCase(c))
|
|
if !field.IsValid() {
|
|
panic(fmt.Sprintf("Unable to find variable with column name %s", c))
|
|
}
|
|
|
|
zv := reflect.Zero(field.Type())
|
|
if shouldZero && !reflect.DeepEqual(field.Interface(), zv.Interface()) {
|
|
errs = append(errs, fmt.Errorf("Column with name %s is not zero value: %#v, %#v", c, field.Interface(), zv.Interface()))
|
|
} else if !shouldZero && reflect.DeepEqual(field.Interface(), zv.Interface()) {
|
|
errs = append(errs, fmt.Errorf("Column with name %s is zero value: %#v, %#v", c, field.Interface(), zv.Interface()))
|
|
}
|
|
}
|
|
|
|
return errs
|
|
}
|
|
|
|
// IsValueMatch checks whether the variables in obj with matching column names
|
|
// match the values in the values slice.
|
|
func IsValueMatch(obj interface{}, columns []string, values []interface{}) []error {
|
|
val := reflect.Indirect(reflect.ValueOf(obj))
|
|
|
|
var errs []error
|
|
for i, c := range columns {
|
|
field := val.FieldByName(strmangle.TitleCase(c))
|
|
if !field.IsValid() {
|
|
panic(fmt.Sprintf("Unable to find variable with column name %s", c))
|
|
}
|
|
|
|
typ := field.Type().String()
|
|
if typ == "time.Time" || typ == "null.Time" {
|
|
var timeField reflect.Value
|
|
var valTimeStr string
|
|
if typ == "time.Time" {
|
|
valTimeStr = values[i].(time.Time).String()
|
|
timeField = field
|
|
} else {
|
|
valTimeStr = values[i].(null.Time).Time.String()
|
|
timeField = field.FieldByName("Time")
|
|
validField := field.FieldByName("Valid")
|
|
if validField.Interface() != values[i].(null.Time).Valid {
|
|
errs = append(errs, fmt.Errorf("Null.Time column with name %s Valid field does not match: %v ≠ %v", c, values[i].(null.Time).Valid, validField.Interface()))
|
|
}
|
|
}
|
|
|
|
if (rgxValidTime.MatchString(valTimeStr) && timeField.Interface() == reflect.Zero(timeField.Type()).Interface()) ||
|
|
(!rgxValidTime.MatchString(valTimeStr) && timeField.Interface() != reflect.Zero(timeField.Type()).Interface()) {
|
|
errs = append(errs, fmt.Errorf("Time column with name %s Time field does not match: %v ≠ %v", c, values[i], timeField.Interface()))
|
|
}
|
|
|
|
continue
|
|
}
|
|
|
|
if !reflect.DeepEqual(field.Interface(), values[i]) {
|
|
errs = append(errs, fmt.Errorf("Column with name %s does not match value: %#v ≠ %#v", c, values[i], field.Interface()))
|
|
}
|
|
}
|
|
|
|
return errs
|
|
}
|
|
|
|
// GetStructValues returns the values (as interface) of the matching columns in obj
|
|
func GetStructValues(obj interface{}, columns ...string) []interface{} {
|
|
ret := make([]interface{}, len(columns))
|
|
val := reflect.Indirect(reflect.ValueOf(obj))
|
|
|
|
for i, c := range columns {
|
|
field := val.FieldByName(strmangle.TitleCase(c))
|
|
ret[i] = field.Interface()
|
|
}
|
|
|
|
return ret
|
|
}
|
|
|
|
// GetStructPointers returns a slice of pointers to the matching columns in obj
|
|
func GetStructPointers(obj interface{}, columns ...string) []interface{} {
|
|
val := reflect.ValueOf(obj).Elem()
|
|
var ret []interface{}
|
|
|
|
if len(columns) == 0 {
|
|
fieldsLen := val.NumField()
|
|
ret = make([]interface{}, fieldsLen)
|
|
for i := 0; i < fieldsLen; i++ {
|
|
ret[i] = val.Field(i).Addr().Interface()
|
|
}
|
|
return ret
|
|
}
|
|
|
|
ret = make([]interface{}, len(columns))
|
|
|
|
for i, c := range columns {
|
|
field := val.FieldByName(strmangle.TitleCase(c))
|
|
if !field.IsValid() {
|
|
panic(fmt.Sprintf("Could not find field on struct %T for field %s", obj, strmangle.TitleCase(c)))
|
|
}
|
|
|
|
field = field.Addr()
|
|
ret[i] = field.Interface()
|
|
}
|
|
|
|
return ret
|
|
}
|
|
|
|
// RandomizeSlice takes a pointer to a slice of pointers to objects
|
|
// and fills the pointed to objects with random data.
|
|
// It will ignore the fields in the blacklist.
|
|
func RandomizeSlice(obj interface{}, blacklist ...string) error {
|
|
ptrSlice := reflect.ValueOf(obj)
|
|
typ := ptrSlice.Type()
|
|
ptrSlice = ptrSlice.Elem()
|
|
kind := typ.Kind()
|
|
|
|
var structTyp reflect.Type
|
|
|
|
for i, exp := range []reflect.Kind{reflect.Ptr, reflect.Slice, reflect.Ptr, reflect.Struct} {
|
|
if i != 0 {
|
|
typ = typ.Elem()
|
|
kind = typ.Kind()
|
|
}
|
|
|
|
if kind != exp {
|
|
return fmt.Errorf("[%d] RandomizeSlice object type should be *[]*Type but was: %s", i, ptrSlice.Type().String())
|
|
}
|
|
|
|
if kind == reflect.Struct {
|
|
structTyp = typ
|
|
}
|
|
}
|
|
|
|
for i := 0; i < ptrSlice.Len(); i++ {
|
|
o := ptrSlice.Index(i)
|
|
o.Set(reflect.New(structTyp))
|
|
if err := RandomizeStruct(o.Interface(), blacklist...); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// RandomizeStruct takes an object and fills it with random data.
|
|
// It will ignore the fields in the blacklist.
|
|
func RandomizeStruct(str interface{}, blacklist ...string) error {
|
|
// Don't modify blacklist
|
|
copyBlacklist := make([]string, len(blacklist))
|
|
copy(copyBlacklist, blacklist)
|
|
blacklist = copyBlacklist
|
|
|
|
sort.Strings(blacklist)
|
|
|
|
// Check if it's pointer
|
|
value := reflect.ValueOf(str)
|
|
kind := value.Kind()
|
|
if kind != reflect.Ptr {
|
|
return fmt.Errorf("Outer element should be a pointer, given a non-pointer: %T", str)
|
|
}
|
|
|
|
// Check if it's a struct
|
|
value = value.Elem()
|
|
kind = value.Kind()
|
|
if kind != reflect.Struct {
|
|
return fmt.Errorf("Inner element should be a struct, given a non-struct: %T", str)
|
|
}
|
|
|
|
typ := value.Type()
|
|
nFields := value.NumField()
|
|
|
|
// Iterate through fields, randomizing
|
|
for i := 0; i < nFields; i++ {
|
|
fieldVal := value.Field(i)
|
|
fieldTyp := typ.Field(i)
|
|
|
|
found := sort.Search(len(blacklist), func(i int) bool {
|
|
return blacklist[i] == fieldTyp.Name
|
|
})
|
|
if found != len(blacklist) {
|
|
continue
|
|
}
|
|
|
|
if err := randomizeField(fieldVal); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// randDate generates a random time.Time between 1850 and 2050.
|
|
// Only the Day/Month/Year columns are set so that Dates and DateTimes do
|
|
// not cause mismatches in the test data comparisons.
|
|
func randDate() time.Time {
|
|
t := time.Date(
|
|
1850+rand.Intn(200),
|
|
time.Month(1+rand.Intn(12)),
|
|
1+rand.Intn(25),
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
time.UTC,
|
|
)
|
|
|
|
return t
|
|
}
|
|
|
|
func randomizeField(field reflect.Value) error {
|
|
kind := field.Kind()
|
|
typ := field.Type()
|
|
|
|
var newVal interface{}
|
|
|
|
if kind == reflect.Struct {
|
|
b := rand.Intn(2) == 1
|
|
switch typ {
|
|
case typeNullBool:
|
|
if b {
|
|
newVal = null.NewBool(rand.Intn(2) == 1, b)
|
|
} else {
|
|
newVal = null.NewBool(false, false)
|
|
}
|
|
case typeNullString:
|
|
if b {
|
|
newVal = null.NewString(randStr(1), b)
|
|
} else {
|
|
newVal = null.NewString("", false)
|
|
}
|
|
case typeNullTime:
|
|
if b {
|
|
newVal = null.NewTime(randDate(), b)
|
|
} else {
|
|
newVal = null.NewTime(time.Time{}, false)
|
|
}
|
|
case typeTime:
|
|
newVal = randDate()
|
|
case typeNullFloat32:
|
|
if b {
|
|
newVal = null.NewFloat32(float32(rand.Intn(9))/10.0+float32(rand.Intn(9)), b)
|
|
} else {
|
|
newVal = null.NewFloat32(0.0, false)
|
|
}
|
|
case typeNullFloat64:
|
|
if b {
|
|
newVal = null.NewFloat64(float64(rand.Intn(9))/10.0+float64(rand.Intn(9)), b)
|
|
} else {
|
|
newVal = null.NewFloat64(0.0, false)
|
|
}
|
|
case typeNullInt:
|
|
if b {
|
|
newVal = null.NewInt(rand.Int(), b)
|
|
} else {
|
|
newVal = null.NewInt(0, false)
|
|
}
|
|
case typeNullInt8:
|
|
if b {
|
|
newVal = null.NewInt8(int8(rand.Intn(int(math.MaxInt8))), b)
|
|
} else {
|
|
newVal = null.NewInt8(0, false)
|
|
}
|
|
case typeNullInt16:
|
|
if b {
|
|
newVal = null.NewInt16(int16(rand.Intn(int(math.MaxInt16))), b)
|
|
} else {
|
|
newVal = null.NewInt16(0, false)
|
|
}
|
|
case typeNullInt32:
|
|
if b {
|
|
newVal = null.NewInt32(rand.Int31(), b)
|
|
} else {
|
|
newVal = null.NewInt32(0, false)
|
|
}
|
|
case typeNullInt64:
|
|
if b {
|
|
newVal = null.NewInt64(rand.Int63(), b)
|
|
} else {
|
|
newVal = null.NewInt64(0, false)
|
|
}
|
|
case typeNullUint:
|
|
if b {
|
|
newVal = null.NewUint(uint(rand.Int()), b)
|
|
} else {
|
|
newVal = null.NewUint(0, false)
|
|
}
|
|
case typeNullUint8:
|
|
if b {
|
|
newVal = null.NewUint8(uint8(rand.Intn(int(math.MaxInt8))), b)
|
|
} else {
|
|
newVal = null.NewUint8(0, false)
|
|
}
|
|
case typeNullUint16:
|
|
if b {
|
|
newVal = null.NewUint16(uint16(rand.Intn(int(math.MaxInt16))), b)
|
|
} else {
|
|
newVal = null.NewUint16(0, false)
|
|
}
|
|
case typeNullUint32:
|
|
if b {
|
|
newVal = null.NewUint32(uint32(rand.Int31()), b)
|
|
} else {
|
|
newVal = null.NewUint32(0, false)
|
|
}
|
|
case typeNullUint64:
|
|
if b {
|
|
newVal = null.NewUint64(uint64(rand.Int63()), b)
|
|
} else {
|
|
newVal = null.NewUint64(0, false)
|
|
}
|
|
}
|
|
} else {
|
|
switch kind {
|
|
case reflect.Float32:
|
|
newVal = float32(rand.Intn(9))/10.0 + float32(rand.Intn(9))
|
|
case reflect.Float64:
|
|
newVal = float64(rand.Intn(9))/10.0 + float64(rand.Intn(9))
|
|
case reflect.Int:
|
|
newVal = rand.Int()
|
|
case reflect.Int8:
|
|
newVal = int8(rand.Intn(int(math.MaxInt8)))
|
|
case reflect.Int16:
|
|
newVal = int16(rand.Intn(int(math.MaxInt16)))
|
|
case reflect.Int32:
|
|
newVal = rand.Int31()
|
|
case reflect.Int64:
|
|
newVal = rand.Int63()
|
|
case reflect.Uint:
|
|
newVal = uint(rand.Int())
|
|
case reflect.Uint8:
|
|
newVal = uint8(rand.Intn(int(math.MaxInt8)))
|
|
case reflect.Uint16:
|
|
newVal = uint16(rand.Intn(int(math.MaxInt16)))
|
|
case reflect.Uint32:
|
|
newVal = uint32(rand.Int31())
|
|
case reflect.Uint64:
|
|
newVal = uint64(rand.Int63())
|
|
case reflect.Bool:
|
|
var b bool
|
|
if rand.Intn(2) == 1 {
|
|
b = true
|
|
}
|
|
newVal = b
|
|
case reflect.String:
|
|
newVal = randStr(1)
|
|
case reflect.Slice:
|
|
sliceVal := typ.Elem()
|
|
if sliceVal.Kind() != reflect.Uint8 {
|
|
return fmt.Errorf("unsupported slice type: %T", typ.String())
|
|
}
|
|
newVal = randByteSlice(5 + rand.Intn(20))
|
|
default:
|
|
return fmt.Errorf("unsupported type: %T", typ.String())
|
|
}
|
|
}
|
|
|
|
field.Set(reflect.ValueOf(newVal))
|
|
|
|
return nil
|
|
}
|
|
|
|
const alphabet = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
|
|
|
func randStr(ln int) string {
|
|
str := make([]byte, ln)
|
|
for i := 0; i < ln; i++ {
|
|
str[i] = byte(alphabet[rand.Intn(len(alphabet))])
|
|
}
|
|
|
|
return string(str)
|
|
}
|
|
|
|
func randByteSlice(ln int) []byte {
|
|
str := make([]byte, ln)
|
|
for i := 0; i < ln; i++ {
|
|
str[i] = byte(rand.Intn(256))
|
|
}
|
|
|
|
return str
|
|
}
|