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44 lines
891 B
44 lines
891 B
1 year ago
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package util
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import (
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"github.com/labstack/echo/v4"
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"sorbet/pkg/rsp"
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)
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// RequestGuarder 参数守卫函数签名
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type RequestGuarder[T any] func(c echo.Context, req *T) error
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// Bind 将提交的参数绑定到泛型 T 的实例上
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func Bind[T any](c echo.Context, guards ...RequestGuarder[T]) (*T, error) {
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var req T
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if err := c.Bind(&req); err != nil {
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return nil, err
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}
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if err := c.Validate(&req); err != nil {
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return nil, err
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}
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for _, guard := range guards {
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if err := guard(c, &req); err != nil {
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return nil, err
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}
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}
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return &req, nil
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}
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func BindId(c echo.Context, must bool) (uint, error) {
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request, err := Bind[struct {
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ID uint `json:"id" xml:"id" path:"id"`
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}](c)
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if err != nil {
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return 0, err
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}
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if must {
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if request.ID <= 0 {
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return 0, rsp.ErrBadParams
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}
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} else if request.ID < 0 {
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return 0, rsp.ErrBadParams
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}
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return request.ID, err
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}
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