refactor: rework file structure (#325)

* wip: add middlewares

* refactor: use context fom middleware in handlers

* refactor: use controller approach in handlers

* refactor: move oauth providers into services (non-working)

* feat: create oauth broker service

* refactor: use a boostrap service to bootstrap the app

* refactor: split utils into smaller files

* refactor: use more clear name for frontend assets

* feat: allow customizability of resources dir

* fix: fix typo in ui middleware

* fix: validate resource file paths in ui middleware

* refactor: move resource handling to a controller

* feat: add some logging

* fix: configure middlewares before groups

* fix: use correct api path in login mutation

* fix: coderabbit suggestions

* fix: further coderabbit suggestions

internal/service/docker_service.go

@@ -0,0 +1,100 @@
+package service
+
+import (
+	"context"
+	"strings"
+	"tinyauth/internal/config"
+	"tinyauth/internal/utils"
+
+	"slices"
+
+	container "github.com/docker/docker/api/types/container"
+	"github.com/docker/docker/client"
+	"github.com/rs/zerolog/log"
+)
+
+type DockerService struct {
+	Client  *client.Client
+	Context context.Context
+}
+
+func NewDockerService() *DockerService {
+	return &DockerService{}
+}
+
+func (docker *DockerService) Init() error {
+	client, err := client.NewClientWithOpts(client.FromEnv)
+	if err != nil {
+		return err
+	}
+
+	ctx := context.Background()
+	client.NegotiateAPIVersion(ctx)
+
+	docker.Client = client
+	docker.Context = ctx
+	return nil
+}
+
+func (docker *DockerService) GetContainers() ([]container.Summary, error) {
+	containers, err := docker.Client.ContainerList(docker.Context, container.ListOptions{})
+	if err != nil {
+		return nil, err
+	}
+	return containers, nil
+}
+
+func (docker *DockerService) InspectContainer(containerId string) (container.InspectResponse, error) {
+	inspect, err := docker.Client.ContainerInspect(docker.Context, containerId)
+	if err != nil {
+		return container.InspectResponse{}, err
+	}
+	return inspect, nil
+}
+
+func (docker *DockerService) DockerConnected() bool {
+	_, err := docker.Client.Ping(docker.Context)
+	return err == nil
+}
+
+func (docker *DockerService) GetLabels(app string, domain string) (config.Labels, error) {
+	isConnected := docker.DockerConnected()
+
+	if !isConnected {
+		log.Debug().Msg("Docker not connected, returning empty labels")
+		return config.Labels{}, nil
+	}
+
+	containers, err := docker.GetContainers()
+	if err != nil {
+		return config.Labels{}, err
+	}
+
+	for _, container := range containers {
+		inspect, err := docker.InspectContainer(container.ID)
+		if err != nil {
+			log.Warn().Str("id", container.ID).Err(err).Msg("Error inspecting container, skipping")
+			continue
+		}
+
+		labels, err := utils.GetLabels(inspect.Config.Labels)
+		if err != nil {
+			log.Warn().Str("id", container.ID).Err(err).Msg("Error getting container labels, skipping")
+			continue
+		}
+
+		// Check if the container matches the ID or domain
+		if slices.Contains(labels.Domain, domain) {
+			log.Debug().Str("id", inspect.ID).Msg("Found matching container by domain")
+			return labels, nil
+		}
+
+		if strings.TrimPrefix(inspect.Name, "/") == app {
+			log.Debug().Str("id", inspect.ID).Msg("Found matching container by name")
+			return labels, nil
+		}
+	}
+
+	log.Debug().Msg("No matching container found, returning empty labels")
+	return config.Labels{}, nil
+}