feat: use dig for controllers

internal/middleware/context_middleware.go

@@ -11,6 +11,7 @@ import (
 	"github.com/tinyauthapp/tinyauth/internal/service"
 	"github.com/tinyauthapp/tinyauth/internal/utils"
 	"github.com/tinyauthapp/tinyauth/internal/utils/logger"
+	"go.uber.org/dig"
 
 	"github.com/gin-gonic/gin"
 )
@@ -37,25 +38,29 @@ var (
 
 type ContextMiddleware struct {
 	log       *logger.Logger
-	runtime   model.RuntimeConfig
+	runtime   *model.RuntimeConfig
 	auth      *service.AuthService
 	broker    *service.OAuthBrokerService
 	tailscale *service.TailscaleService
 }
 
-func NewContextMiddleware(
-	log *logger.Logger,
-	runtime model.RuntimeConfig,
-	auth *service.AuthService,
-	broker *service.OAuthBrokerService,
-	tailscale *service.TailscaleService,
-) *ContextMiddleware {
+type ContextMiddlewareInput struct {
+	dig.In
+
+	Log              *logger.Logger
+	RuntimeConfig    *model.RuntimeConfig
+	AuthService      *service.AuthService
+	BrokerService    *service.OAuthBrokerService
+	TailscaleService *service.TailscaleService
+}
+
+func NewContextMiddleware(i ContextMiddlewareInput) *ContextMiddleware {
 	return &ContextMiddleware{
-		log:       log,
-		runtime:   runtime,
-		auth:      auth,
-		broker:    broker,
-		tailscale: tailscale,
+		log:       i.Log,
+		runtime:   i.RuntimeConfig,
+		auth:      i.AuthService,
+		broker:    i.BrokerService,
+		tailscale: i.TailscaleService,
 	}
 }
 

internal/middleware/ui_middleware.go

@@ -9,6 +9,7 @@ import (
 	"time"
 
 	"github.com/tinyauthapp/tinyauth/internal/assets"
+	"go.uber.org/dig"
 
 	"github.com/gin-gonic/gin"
 )
@@ -18,7 +19,12 @@ type UIMiddleware struct {
 	uiFileServer http.Handler
 }
 
-func NewUIMiddleware() (*UIMiddleware, error) {
+// for future use if we need to inject dependencies into the middleware
+type UIMiddlewareInput struct {
+	dig.In
+}
+
+func NewUIMiddleware(_ UIMiddlewareInput) (*UIMiddleware, error) {
 	m := &UIMiddleware{}
 
 	ui, err := fs.Sub(assets.FrontendAssets, "dist")

internal/middleware/zerolog_middleware.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/gin-gonic/gin"
 	"github.com/tinyauthapp/tinyauth/internal/utils/logger"
+	"go.uber.org/dig"
 )
 
 // See context middleware for explanation of why we have to do this
@@ -21,9 +22,15 @@ type ZerologMiddleware struct {
 	log *logger.Logger
 }
 
-func NewZerologMiddleware(log *logger.Logger) *ZerologMiddleware {
+type ZerologMiddlewareInput struct {
+	dig.In
+
+	Log *logger.Logger
+}
+
+func NewZerologMiddleware(i ZerologMiddlewareInput) *ZerologMiddleware {
 	return &ZerologMiddleware{
-		log: log,
+		log: i.Log,
 	}
 }