Add some experimental manager perms methods

Author: bor3ham

schema/manager.go

@@ -3,6 +3,10 @@ package schema
 type Manager interface {
 	Create() Instance
 	GetFilterForUser(User, int) ([]string, []interface{})
+
+	BeforeCreate(Context, map[string]interface{}) error
+	BeforeUpdate(Context, map[string]interface{}, map[string]interface{}) error
+	BeforeSave(Context, map[string]interface{}) error
 }
 
 type ManagerStub struct {
@@ -11,3 +15,19 @@ type ManagerStub struct {
 func (stub ManagerStub) GetFilterForUser(user User, nextArg int) ([]string, []interface{}) {
 	return []string{}, []interface{}{}
 }
+
+func (stub ManagerStub) BeforeCreate(c Context, values map[string]interface{}) error {
+	return nil
+}
+func (stub ManagerStub) BeforeUpdate(
+	c Context,
+	oldValues map[string]interface{},
+	newValues map[string]interface{},
+) (
+	error,
+) {
+	return nil
+}
+func (stub ManagerStub) BeforeSave(c Context, values map[string]interface{}) error {
+	return nil
+}

servers/detail.go

@@ -32,6 +32,8 @@ func DetailHandler(s schema.Server, m *schema.Model, w http.ResponseWriter, r *h
 		detailPATCH(w, r, rc, m, id, include)
 	} else if r.Method == "GET" {
 		detailGET(w, r, rc, m, id, include)
+	} else {
+		MethodNotAllowed(rc, w)
 	}
 
 	rc.LogStats()

servers/exceptions.go

@@ -3,6 +3,7 @@ package servers
 import (
 	"github.com/bor3ham/reja/schema"
 	"net/http"
+	"fmt"
 )
 
 type Error struct {
@@ -38,3 +39,19 @@ func Forbidden(c schema.Context, w http.ResponseWriter, title string, detail str
 	w.WriteHeader(http.StatusForbidden)
 	c.WriteToResponse(errorBlob)
 }
+
+func MethodNotAllowed(c schema.Context, w http.ResponseWriter) {
+	errorBlob := Error{
+		Exceptions: []Exception{
+			Exception{
+				Title:  "Method Not Allowed",
+				Detail: fmt.Sprintf(
+					"This endpoint does not support %s requests.",
+					c.GetRequest().Method,
+				),
+			},
+		},
+	}
+	w.WriteHeader(http.StatusForbidden)
+	c.WriteToResponse(errorBlob)
+}

servers/list.go

@@ -27,6 +27,8 @@ func ListHandler(s schema.Server, m *schema.Model, w http.ResponseWriter, r *htt
 		listPOST(w, r, rc, m, queryStrings, include)
 	} else if r.Method == "GET" {
 		listGET(w, r, rc, m, queryStrings, include)
+	} else {
+		MethodNotAllowed(rc, w)
 	}
 
 	rc.LogStats()

servers/list_post.go

@@ -85,6 +85,21 @@ func listPOST(
 		valueIndex += 1
 	}
 
+	// run manager validation
+	mapValues = mapFromValues(values, m.Attributes, m.Relationships)
+	// instance = m.Manager.Create()
+	// instance.SetValues(mapValues)
+	err = m.Manager.BeforeCreate(c, mapValues)
+	if err != nil {
+		BadRequest(c, w, "Bad New Instance", err.Error())
+		return
+	}
+	err = m.Manager.BeforeSave(c, mapValues)
+	if err != nil {
+		BadRequest(c, w, "Bad Instance", err.Error())
+		return
+	}
+
 	// build insert query
 	var insertColumns []string
 	var insertValues []interface{}