feat: add datetime checker methods

datetime-check/check1_time_parse.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+type SearchUserV1Request struct {
+	RegisterAt string `json:"register_at"`
+}
+
+func main() {
+	checkTimeParse(&SearchUserV1Request{
+		RegisterAt: "2020-01-01T15:08:23",
+	})
+}
+
+func checkTimeParse(req *SearchUserV1Request) {
+	_, err := time.Parse("2006-01-02 15:04:05", req.RegisterAt)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	fmt.Println("success")
+}

datetime-check/check2_json_unmarshal.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+	"time"
+)
+
+func main() {
+	checkUnmarshalJson([]byte(`{"register_at": "2020-01-01T15:08:23"}`))
+}
+
+type DefaultDatetime time.Time
+
+func (d *DefaultDatetime) UnmarshalJSON(bs []byte) error {
+	if len(bs) == 0 {
+		return nil
+	}
+
+	t, err := time.ParseInLocation("2006-01-02 15:04:05", strings.Trim(string(bs), "\""), time.Local)
+	if err != nil {
+		return err
+	}
+
+	*d = DefaultDatetime(t)
+	return nil
+}
+
+type SearchUserV2Request struct {
+	RegisterAt *DefaultDatetime `json:"register_at"`
+}
+
+func checkUnmarshalJson(body []byte) {
+	var req SearchUserV2Request
+	err := json.Unmarshal(body, &req)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	fmt.Println("success")
+}

datetime-check/check3_validator.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/go-playground/validator/v10"
+)
+
+func main() {
+	checkValidator(&SearchUserV3Request{
+		RegisterAt: "",
+	})
+}
+
+type SearchUserV3Request struct {
+	RegisterAt string `json:"register_at" validate:"omitempty,datetime=2006-01-02 15:04:05"`
+}
+
+func checkValidator(req *SearchUserV3Request) {
+	validate := validator.New(validator.WithRequiredStructEnabled())
+	err := validate.Struct(req)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	fmt.Println("success")
+}

datetime-check/go.mod

@@ -0,0 +1,15 @@
+module github.com/qshuai/golang-tips/datetime-check
+
+go 1.20
+
+require (
+	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.16.0 // indirect
+	github.com/leodido/go-urn v1.2.4 // indirect
+	golang.org/x/crypto v0.7.0 // indirect
+	golang.org/x/net v0.8.0 // indirect
+	golang.org/x/sys v0.6.0 // indirect
+	golang.org/x/text v0.8.0 // indirect
+)

datetime-check/go.sum

@@ -0,0 +1,30 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
+github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
+github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
+github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
+github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
+github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
+github.com/go-playground/validator/v10 v10.16.0 h1:x+plE831WK4vaKHO/jpgUGsvLKIqRRkz6M78GuJAfGE=
+github.com/go-playground/validator/v10 v10.16.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
+github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q=
+github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+golang.org/x/crypto v0.7.0 h1:AvwMYaRytfdeVt3u6mLaxYtErKYjxA2OXjJ1HHq6t3A=
+golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
+golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
+golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
+golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
+golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=