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Support array of objects parameters #40

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26 changes: 20 additions & 6 deletions bindparam_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -293,12 +293,20 @@ func TestSplitParameter(t *testing.T) {

func TestBindQueryParameter(t *testing.T) {
t.Run("deepObject", func(t *testing.T) {
type Object struct {
Count int `json:"count"`
}
type Nested struct {
Object Object `json:"object"`
Objects []Object `json:"objects"`
}
type ID struct {
FirstName *string `json:"firstName"`
LastName *string `json:"lastName"`
Role string `json:"role"`
Birthday *types.Date `json:"birthday"`
Married *MockBinder `json:"married"`
Nested Nested `json:"nested"`
}

expectedName := "Alex"
Expand All @@ -307,16 +315,23 @@ func TestBindQueryParameter(t *testing.T) {
Role: "admin",
Birthday: &types.Date{Time: time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC)},
Married: &MockBinder{time.Date(2020, 2, 2, 0, 0, 0, 0, time.UTC)},
Nested: Nested{
Object: Object{Count: 123},
Objects: []Object{{Count: 1}, {Count: 2}},
},
}

actual := new(ID)
paramName := "id"
queryParams := url.Values{
"id[firstName]": {"Alex"},
"id[role]": {"admin"},
"foo": {"bar"},
"id[birthday]": {"2020-01-01"},
"id[married]": {"2020-02-02"},
"id[firstName]": {"Alex"},
"id[role]": {"admin"},
"foo": {"bar"},
"id[birthday]": {"2020-01-01"},
"id[married]": {"2020-02-02"},
"id[nested][object][count]": {"123"},
"id[nested][objects][0][count]": {"1"},
"id[nested][objects][1][count]": {"2"},
}

err := BindQueryParameter("deepObject", true, false, paramName, queryParams, &actual)
Expand Down Expand Up @@ -356,7 +371,6 @@ func TestBindQueryParameter(t *testing.T) {
assert.Error(t, err)
err = BindQueryParameter("form", true, true, "notfound", queryParams, &optionalNumber)
assert.Error(t, err)

})
}

Expand Down
12 changes: 3 additions & 9 deletions deepobject.go
Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,6 @@ func (f *fieldOrValue) appendPathValue(path []string, value string) {
}

func makeFieldOrValue(paths [][]string, values []string) fieldOrValue {

f := fieldOrValue{
fields: make(map[string]fieldOrValue),
}
Expand Down Expand Up @@ -193,7 +192,7 @@ func fieldIndicesByJSONTag(i interface{}) (map[string]int, error) {
}

func assignPathValues(dst interface{}, pathValues fieldOrValue) error {
//t := reflect.TypeOf(dst)
// t := reflect.TypeOf(dst)
v := reflect.ValueOf(dst)

iv := reflect.Indirect(v)
Expand Down Expand Up @@ -337,22 +336,17 @@ func assignPathValues(dst interface{}, pathValues fieldOrValue) error {
func assignSlice(dst reflect.Value, pathValues fieldOrValue) error {
// Gather up the values
nValues := len(pathValues.fields)
values := make([]string, nValues)

// We expect to have consecutive array indices in the map
for i := 0; i < nValues; i++ {
indexStr := strconv.Itoa(i)
fv, found := pathValues.fields[indexStr]
if !found {
return errors.New("array deepObjects must have consecutive indices")
}
values[i] = fv.value
}

// This could be cleaner, but we can call into assignPathValues to
// avoid recreating this logic.
for i := 0; i < nValues; i++ {
dstElem := dst.Index(i).Addr()
err := assignPathValues(dstElem.Interface(), fieldOrValue{value: values[i]})
err := assignPathValues(dstElem.Interface(), fv)
if err != nil {
return fmt.Errorf("error binding array: %w", err)
}
Expand Down
62 changes: 47 additions & 15 deletions deepobject_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -10,27 +10,45 @@ import (
"github.com/stretchr/testify/require"
)

type InnerArrayObject struct {
Names []string `json:"names"`
}

type InnerObject struct {
Name string
ID int
}

type InnerObject2 struct {
Foo string
Is bool
}

type InnerObject3 struct {
Foo string
Count *int `json:"count,omitempty"`
}

// These are all possible field types, mandatory and optional.
type AllFields struct {
I int `json:"i"`
Oi *int `json:"oi,omitempty"`
F float32 `json:"f"`
Of *float32 `json:"of,omitempty"`
B bool `json:"b"`
Ob *bool `json:"ob,omitempty"`
As []string `json:"as"`
Oas *[]string `json:"oas,omitempty"`
O InnerObject `json:"o"`
Oo *InnerObject `json:"oo,omitempty"`
D MockBinder `json:"d"`
Od *MockBinder `json:"od,omitempty"`
M map[string]int `json:"m"`
Om *map[string]int `json:"om,omitempty"`
I int `json:"i"`
Oi *int `json:"oi,omitempty"`
Ab *[]bool `json:"ab,omitempty"`
F float32 `json:"f"`
Of *float32 `json:"of,omitempty"`
B bool `json:"b"`
Ob *bool `json:"ob,omitempty"`
As []string `json:"as"`
Oas *[]string `json:"oas,omitempty"`
O InnerObject `json:"o"`
Ao []InnerObject2 `json:"ao"`
Aop *[]InnerObject3 `json:"aop"`
Onas InnerArrayObject `json:"onas"`
Oo *InnerObject `json:"oo,omitempty"`
D MockBinder `json:"d"`
Od *MockBinder `json:"od,omitempty"`
M map[string]int `json:"m"`
Om *map[string]int `json:"om,omitempty"`
}

func TestDeepObject(t *testing.T) {
Expand All @@ -47,19 +65,33 @@ func TestDeepObject(t *testing.T) {
}
d := MockBinder{Time: time.Date(2020, 2, 1, 0, 0, 0, 0, time.UTC)}

two := 2

srcObj := AllFields{
I: 12,
Oi: &oi,
F: 4.2,
Of: &of,
B: true,
Ob: &ob,
Ab: &[]bool{true},
As: []string{"hello", "world"},
Oas: &oas,
O: InnerObject{
Name: "Joe Schmoe",
ID: 456,
},
Ao: []InnerObject2{
{Foo: "bar", Is: true},
{Foo: "baz"},
},
Aop: &[]InnerObject3{
{Foo: "a"},
{Foo: "b", Count: &two},
},
Onas: InnerArrayObject{
Names: []string{"Bill", "Frank"},
},
Oo: &oo,
D: d,
Od: &d,
Expand All @@ -69,7 +101,7 @@ func TestDeepObject(t *testing.T) {

marshaled, err := MarshalDeepObject(srcObj, "p")
require.NoError(t, err)
t.Log(marshaled)
require.EqualValues(t, "p[ab][0]=true&p[ao][0][Foo]=bar&p[ao][0][Is]=true&p[ao][1][Foo]=baz&p[ao][1][Is]=false&p[aop][0][Foo]=a&p[aop][1][Foo]=b&p[aop][1][count]=2&p[as][0]=hello&p[as][1]=world&p[b]=true&p[d]=2020-02-01&p[f]=4.2&p[i]=12&p[m][additional]=1&p[o][ID]=456&p[o][Name]=Joe Schmoe&p[oas][0]=foo&p[oas][1]=bar&p[ob]=true&p[od]=2020-02-01&p[of]=3.7&p[oi]=5&p[om][additional]=1&p[onas][names][0]=Bill&p[onas][names][1]=Frank&p[oo][ID]=123&p[oo][Name]=Marcin Romaszewicz", marshaled)

params := make(url.Values)
marshaledParts := strings.Split(marshaled, "&")
Expand Down