[chore] The Big Middleware and API Refactor (tm) (#1250)

* interim commit: start refactoring middlewares into package under router

* another interim commit, this is becoming a big job

* another fucking massive interim commit

* refactor bookmarks to new style

* ambassador, wiz zeze commits you are spoiling uz

* she compiles, we're getting there

* we're just normal men; we're just innocent men

* apiutil

* whoopsie

* i'm glad noone reads commit msgs haha :blob_sweat:

* use that weirdo go-bytesize library for maxMultipartMemory

* fix media module paths

1 files changed, 11 insertions, 11 deletions

diff --git a/internal/api/client/instance/instancepatch.go b/internal/api/client/instance/instancepatch.go
index d4fa8ca5d..891ce8e38 100644
--- a/internal/api/client/instance/instancepatch.go
+++ b/internal/api/client/instance/instancepatch.go
@@ -24,8 +24,8 @@ import (
 	"net/http"
 
 	"github.com/gin-gonic/gin"
-	"github.com/superseriousbusiness/gotosocial/internal/api"
-	"github.com/superseriousbusiness/gotosocial/internal/api/model"
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
 	"github.com/superseriousbusiness/gotosocial/internal/config"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
 	"github.com/superseriousbusiness/gotosocial/internal/oauth"
@@ -130,42 +130,42 @@ import (
 func (m *Module) InstanceUpdatePATCHHandler(c *gin.Context) {
 	authed, err := oauth.Authed(c, true, true, true, true)
 	if err != nil {
-		api.ErrorHandler(c, gtserror.NewErrorUnauthorized(err, err.Error()), m.processor.InstanceGet)
+		apiutil.ErrorHandler(c, gtserror.NewErrorUnauthorized(err, err.Error()), m.processor.InstanceGet)
 		return
 	}
 
-	if _, err := api.NegotiateAccept(c, api.JSONAcceptHeaders...); err != nil {
-		api.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGet)
+	if _, err := apiutil.NegotiateAccept(c, apiutil.JSONAcceptHeaders...); err != nil {
+		apiutil.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGet)
 		return
 	}
 
 	if !*authed.User.Admin {
 		err := errors.New("user is not an admin so cannot update instance settings")
-		api.ErrorHandler(c, gtserror.NewErrorForbidden(err, err.Error()), m.processor.InstanceGet)
+		apiutil.ErrorHandler(c, gtserror.NewErrorForbidden(err, err.Error()), m.processor.InstanceGet)
 		return
 	}
 
-	form := &model.InstanceSettingsUpdateRequest{}
+	form := &apimodel.InstanceSettingsUpdateRequest{}
 	if err := c.ShouldBind(&form); err != nil {
-		api.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGet)
+		apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGet)
 		return
 	}
 
 	if err := validateInstanceUpdate(form); err != nil {
-		api.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGet)
+		apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGet)
 		return
 	}
 
 	i, errWithCode := m.processor.InstancePatch(c.Request.Context(), form)
 	if errWithCode != nil {
-		api.ErrorHandler(c, errWithCode, m.processor.InstanceGet)
+		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGet)
 		return
 	}
 
 	c.JSON(http.StatusOK, i)
 }
 
-func validateInstanceUpdate(form *model.InstanceSettingsUpdateRequest) error {
+func validateInstanceUpdate(form *apimodel.InstanceSettingsUpdateRequest) error {
 	if form.Title == nil &&
 		form.ContactUsername == nil &&
 		form.ContactEmail == nil &&