v0.0.174

ginext/preContext.go

@@ -0,0 +1,91 @@
+package ginext
+
+import (
+	"context"
+	"github.com/gin-gonic/gin"
+	"github.com/gin-gonic/gin/binding"
+	"gogs.mikescher.com/BlackForestBytes/goext/ginext/commonapierr"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+	"runtime/debug"
+)
+
+type PreContext struct {
+	ginCtx  *gin.Context
+	wrapper *GinWrapper
+	uri     any
+	query   any
+	body    any
+	form    any
+}
+
+func (pctx *PreContext) URI(uri any) *PreContext {
+	pctx.uri = uri
+	return pctx
+}
+
+func (pctx *PreContext) Query(query any) *PreContext {
+	pctx.query = query
+	return pctx
+}
+
+func (pctx *PreContext) Body(body any) *PreContext {
+	pctx.body = body
+	return pctx
+}
+
+func (pctx *PreContext) Form(form any) *PreContext {
+	pctx.form = form
+	return pctx
+}
+
+func (pctx PreContext) Start() (*AppContext, *gin.Context, *HTTPResponse) {
+	if pctx.uri != nil {
+		if err := pctx.ginCtx.ShouldBindUri(pctx.uri); err != nil {
+			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonapierr.BindFailURI, "Failed to read uri", err))
+		}
+	}
+
+	if pctx.query != nil {
+		if err := pctx.ginCtx.ShouldBindQuery(pctx.query); err != nil {
+			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonapierr.BindFailQuery, "Failed to read query", err))
+		}
+	}
+
+	if pctx.body != nil {
+		if pctx.ginCtx.ContentType() == "application/json" {
+			if err := pctx.ginCtx.ShouldBindJSON(pctx.body); err != nil {
+				return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonapierr.BindFailJSON, "Failed to read body", err))
+			}
+		} else {
+			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonapierr.BindFailJSON, "missing JSON body", nil))
+		}
+	}
+
+	if pctx.form != nil {
+		if pctx.ginCtx.ContentType() == "multipart/form-data" {
+			if err := pctx.ginCtx.ShouldBindWith(pctx.form, binding.Form); err != nil {
+				return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonapierr.BindFailFormData, "Failed to read multipart-form", err))
+			}
+		} else {
+			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonapierr.BindFailJSON, "missing form body", nil))
+		}
+	}
+
+	ictx, cancel := context.WithTimeout(context.Background(), pctx.wrapper.requestTimeout)
+	actx := CreateAppContext(pctx.ginCtx, ictx, cancel)
+
+	return actx, pctx.ginCtx, nil
+}
+
+func callPanicSafe(fn WHandlerFunc, pctx PreContext) (res HTTPResponse, stackTrace string, panicObj any) {
+	defer func() {
+		if rec := recover(); rec != nil {
+			res = nil
+			stackTrace = string(debug.Stack())
+			panicObj = rec
+		}
+	}()
+
+	res = fn(pctx)
+	return res, "", nil
+}