api: implemented download images

api/api.go

@@ -8,6 +8,7 @@ import (
 	"github.com/robfig/cron/v3"
 	"github.com/teivah/broadcast"
 	"github.com/tigorlazuardi/redmage/api/bmessage"
+	"github.com/tigorlazuardi/redmage/api/reddit"
 	"github.com/tigorlazuardi/redmage/config"
 	"github.com/tigorlazuardi/redmage/db/queries"
 	"github.com/tigorlazuardi/redmage/pkg/errs"
@@ -24,16 +25,31 @@ type API struct {
 	downloadBroadcast *broadcast.Relay[bmessage.ImageDownloadMessage]
 
 	config *config.Config
+
+	imageSemaphore     chan struct{}
+	subredditSemaphore chan struct{}
+
+	reddit *reddit.Reddit
 }
 
-func New(q *queries.Queries, db *sql.DB, cfg *config.Config) *API {
+type Dependencies struct {
+	Queries *queries.Queries
+	DB      *sql.DB
+	Config  *config.Config
+	Reddit  *reddit.Reddit
+}
+
+func New(deps Dependencies) *API {
 	return &API{
-		queries:           q,
+		queries:            deps.Queries,
-		db:                db,
+		db:                 deps.DB,
-		scheduler:         cron.New(),
+		scheduler:          cron.New(),
-		scheduleMap:       make(map[cron.EntryID]queries.Subreddit, 8),
+		scheduleMap:        make(map[cron.EntryID]queries.Subreddit, 8),
-		downloadBroadcast: broadcast.NewRelay[bmessage.ImageDownloadMessage](),
+		downloadBroadcast:  broadcast.NewRelay[bmessage.ImageDownloadMessage](),
-		config:            cfg,
+		config:             deps.Config,
+		imageSemaphore:     make(chan struct{}, deps.Config.Int("download.concurrency.images")),
+		subredditSemaphore: make(chan struct{}, deps.Config.Int("download.concurrency.subreddits")),
+		reddit:             deps.Reddit,
 	}
 }
 

api/bmessage/bmessage.go

@@ -7,8 +7,8 @@ import (
 type ImageMetadata struct {
 	Kind   ImageKind
 	URL    string
-	Height int
+	Height int64
-	Width  int
+	Width  int64
 }
 
 type ImageKind int
@@ -18,7 +18,36 @@ const (
 	KindThumbnail
 )
 
+type DownloadEvent int
+
+func (do DownloadEvent) MarshalJSON() ([]byte, error) {
+	return []byte(`"` + do.String() + `"`), nil
+}
+
+func (do DownloadEvent) String() string {
+	switch do {
+	case DownloadStart:
+		return "DownloadStart"
+	case DownloadProgress:
+		return "DownloadProgress"
+	case DownloadEnd:
+		return "DownloadEnd"
+	case DownloadError:
+		return "DownloadError"
+	default:
+		return "Unknown"
+	}
+}
+
+const (
+	DownloadStart DownloadEvent = iota
+	DownloadProgress
+	DownloadEnd
+	DownloadError
+)
+
 type ImageDownloadMessage struct {
+	Event         DownloadEvent
 	Metadata      ImageMetadata
 	ContentLength units.MetricBytes
 	Downloaded    units.MetricBytes

api/download_subreddit_images.go

@@ -3,17 +3,30 @@ package api
 import (
 	"context"
 	"errors"
+	"image/jpeg"
+	"io"
+	"math"
 	"net/http"
+	"net/url"
+	"os"
+	"path"
+	"strings"
+	"sync"
 
+	"github.com/disintegration/imaging"
+	"github.com/tigorlazuardi/redmage/api/reddit"
 	"github.com/tigorlazuardi/redmage/db/queries"
 	"github.com/tigorlazuardi/redmage/pkg/errs"
+	"github.com/tigorlazuardi/redmage/pkg/log"
+	"github.com/tigorlazuardi/redmage/pkg/telemetry"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
 )
 
 type DownloadSubredditParams struct {
-	Countback int
+	Countback     int
-	NSFW      bool
+	Devices       []queries.Device
-	Devices   []queries.Device
+	SubredditType reddit.SubredditType
-	Type      int
 }
 
 var (
@@ -31,5 +44,249 @@ func (api *API) DownloadSubredditImages(ctx context.Context, subredditName strin
 		return errs.Wrapw(ErrNoDevices, "downloading images requires at least one device configured").Code(http.StatusBadRequest)
 	}
 
+	ctx, span := tracer.Start(ctx, "*API.DownloadSubredditImages", trace.WithAttributes(attribute.String("subreddit", subredditName)))
+	defer span.End()
+
+	wg := sync.WaitGroup{}
+
+	countback := params.Countback
+
+	for page := 1; countback > 0; page += 1 {
+		limit := countback
+		if limit > 100 {
+			limit = 100
+		}
+		list, err := api.reddit.GetPosts(ctx, reddit.GetPostsParam{
+			Subreddit:     subredditName,
+			Limit:         limit,
+			Page:          page,
+			SubredditType: params.SubredditType,
+		})
+		if err != nil {
+			return errs.Wrapw(err, "failed to get posts", "subreddit_name", subredditName, "params", params)
+		}
+		wg.Add(1)
+		go func(ctx context.Context, posts reddit.Listing) {
+			defer wg.Done()
+			err := api.downloadSubredditListImage(ctx, list, params)
+			if err != nil {
+				log.New(ctx).Err(err).Error("failed to download image")
+			}
+		}(ctx, list)
+		countback -= len(list.GetPosts())
+	}
+
+	wg.Wait()
+
 	return nil
 }
+
+func (api *API) downloadSubredditListImage(ctx context.Context, list reddit.Listing, params DownloadSubredditParams) error {
+	ctx, span := tracer.Start(ctx, "*API.downloadSubredditImage")
+	defer span.End()
+
+	wg := sync.WaitGroup{}
+
+	for _, post := range list.GetPosts() {
+		if !post.IsImagePost() {
+			continue
+		}
+		devices := getDevicesThatAcceptPost(post, params.Devices)
+		if len(devices) == 0 {
+			continue
+		}
+		wg.Add(1)
+		api.imageSemaphore <- struct{}{}
+		go func(ctx context.Context, post reddit.Post) {
+			defer func() {
+				<-api.imageSemaphore
+				wg.Done()
+			}()
+
+			imageHandler, err := api.reddit.DownloadImage(ctx, post, api.downloadBroadcast)
+			if err != nil {
+				log.New(ctx).Err(err).Error("failed to download image")
+				return
+			}
+			defer imageHandler.Close()
+
+			// copy to temp dir first to avoid copying incomplete files.
+			tmpImageFile, err := api.copyImageToTempDir(ctx, imageHandler)
+			if err != nil {
+				log.New(ctx).Err(err).Error("failed to download image to temp file")
+				return
+			}
+			defer tmpImageFile.Close()
+
+			w, close, err := api.createDeviceImageWriters(post, devices)
+			if err != nil {
+				log.New(ctx).Err(err).Error("failed to create image files")
+				return
+			}
+			defer close()
+			_, err = io.Copy(w, tmpImageFile)
+			if err != nil {
+				log.New(ctx).Err(err).Error("failed to create save image files")
+				return
+			}
+			thumbnailPath := post.GetThumbnailTargetPath(api.config)
+			_, errStat := os.Stat(thumbnailPath)
+			if errStat == nil {
+				// file exist
+				return
+			}
+			if !errors.Is(errStat, os.ErrNotExist) {
+				log.New(ctx).Err(err).Error("failed to check thumbail existence", "path", thumbnailPath)
+				return
+			}
+
+			thumbnailSource, err := imaging.Open(tmpImageFile.filename)
+			if err != nil {
+				log.New(ctx).Err(err).Error("failed to open temp thumbnail file", "filename", tmpImageFile.filename)
+				return
+			}
+
+			thumbnail := imaging.Resize(thumbnailSource, 256, 0, imaging.Lanczos)
+			thumbnailFile, err := os.Create(thumbnailPath)
+			if err != nil {
+				log.New(ctx).Err(err).Error("failed to create thumbnail file", "filename", thumbnailPath)
+				return
+			}
+			defer thumbnailFile.Close()
+
+			err = jpeg.Encode(thumbnailFile, thumbnail, nil)
+			if err != nil {
+				log.New(ctx).Err(err).Error("failed to encode thumbnail file to jpeg", "filename", thumbnailPath)
+				return
+			}
+		}(ctx, post)
+	}
+
+	wg.Wait()
+
+	return nil
+}
+
+func (api *API) createDeviceImageWriters(post reddit.Post, devices []queries.Device) (writer io.Writer, close func(), err error) {
+	// open file for each device
+	var files []*os.File
+	var writers []io.Writer
+	for _, device := range devices {
+		var filename string
+		if device.WindowsWallpaperMode == 1 {
+			filename = post.GetWindowsWallpaperImageTargetPath(api.config, device)
+		} else {
+			filename = post.GetImageTargetPath(api.config, device)
+		}
+		file, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
+		if err != nil {
+			for _, f := range files {
+				_ = f.Close()
+			}
+			return nil, nil, errs.Wrapw(err, "failed to open temp image file",
+				"device_name", device.Name,
+				"filename", filename,
+			)
+		}
+		files = append(files, file)
+		writers = append(writers, file)
+	}
+
+	return io.MultiWriter(writers...), func() {
+		for _, file := range files {
+			_ = file.Close()
+		}
+	}, nil
+}
+
+func getDevicesThatAcceptPost(post reddit.Post, devices []queries.Device) []queries.Device {
+	var devs []queries.Device
+	for _, device := range devices {
+		if shouldDownloadPostForDevice(post, device) {
+			devs = append(devices, device)
+		}
+	}
+	return devs
+}
+
+func shouldDownloadPostForDevice(post reddit.Post, device queries.Device) bool {
+	if post.IsNSFW() && device.Nsfw == 0 {
+		return false
+	}
+	if math.Abs(deviceAspectRatio(device)-post.GetImageAspectRatio()) > device.AspectRatioTolerance { // outside of aspect ratio tolerance
+		return false
+	}
+	width, height := post.GetImageSize()
+	if device.MaxX > 0 && width > device.MaxX {
+		return false
+	}
+	if device.MaxY > 0 && height > device.MaxY {
+		return false
+	}
+	if device.MinX > 0 && width < device.MinX {
+		return false
+	}
+	if device.MinY > 0 && height < device.MinY {
+		return false
+	}
+	return true
+}
+
+func deviceAspectRatio(device queries.Device) float64 {
+	return float64(device.ResolutionX) / float64(device.ResolutionY)
+}
+
+type tempFile struct {
+	filename string
+	file     *os.File
+}
+
+func (te *tempFile) Read(p []byte) (n int, err error) {
+	return te.file.Read(p)
+}
+
+func (te *tempFile) Close() error {
+	return te.file.Close()
+}
+
+// copyImageToTempDir copies the image to a temporary directory and returns the file handle
+//
+// file must be closed by the caller after use.
+//
+// file is nil if an error occurred.
+func (api *API) copyImageToTempDir(ctx context.Context, img reddit.PostImage) (tmp *tempFile, err error) {
+	_, span := tracer.Start(ctx, "*API.copyImageToTempDir")
+	defer func() { telemetry.EndWithStatus(span, err) }()
+
+	// ignore error because url is always valid if this
+	// function is called
+	url, _ := url.Parse(img.URL)
+
+	split := strings.Split(url.Path, "/")
+	imageFilename := split[len(split)-1]
+	tmpDirname := path.Join(os.TempDir(), "redmage")
+	_ = os.MkdirAll(tmpDirname, 0644)
+	tmpFilename := path.Join(tmpDirname, imageFilename)
+
+	file, err := os.OpenFile(tmpFilename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
+	if err != nil {
+		return nil, errs.Wrapw(err, "failed to open temp image file",
+			"temp_file_path", tmpFilename,
+			"image_url", img.URL,
+		)
+	}
+
+	_, err = io.Copy(file, img.File)
+	if err != nil {
+		_ = file.Close()
+		return nil, errs.Wrapw(err, "failed to download image to temp file",
+			"temp_file_path", tmpFilename,
+			"image_url", img.URL,
+		)
+	}
+
+	return &tempFile{
+		file:     file,
+		filename: tmpFilename,
+	}, err
+}

api/reddit/download_images.go

@@ -8,7 +8,6 @@ import (
 	"github.com/alecthomas/units"
 	"github.com/tigorlazuardi/redmage/api/bmessage"
 	"github.com/tigorlazuardi/redmage/pkg/errs"
-	"golang.org/x/sync/errgroup"
 )
 
 type DownloadStatusBroadcaster interface {
@@ -20,38 +19,42 @@ type NullDownloadStatusBroadcaster struct{}
 func (NullDownloadStatusBroadcaster) Broadcast(bmessage.ImageDownloadMessage) {}
 
 type PostImage struct {
-	ImageURL      string
+	URL  string
-	ImageFile     io.Reader
+	File io.ReadCloser
-	ThumbnailURL  string
-	ThumbnailFile io.Reader
 }
 
+func (po *PostImage) Read(p []byte) (n int, err error) {
+	return po.File.Read(p)
+}
+
+func (po *PostImage) Close() error {
+	return po.File.Close()
+}
+
+// DownloadImage downloades the image.
+//
+// If downloading image or thumbnail fails
 func (reddit *Reddit) DownloadImage(ctx context.Context, post Post, broadcaster DownloadStatusBroadcaster) (image PostImage, err error) {
-	imageUrl, thumbnailUrl := post.GetImageURL(), post.GetThumbnailURL()
+	imageUrl := post.GetImageURL()
-	image.ImageURL = imageUrl
+	image.URL = imageUrl
-	image.ThumbnailURL = thumbnailUrl
 
-	group, groupCtx := errgroup.WithContext(ctx)
+	image.File, err = reddit.downloadImage(ctx, post, bmessage.KindImage, broadcaster)
-	group.Go(func() error {
-		var err error
-		image.ImageFile, err = reddit.downloadImage(groupCtx, post, bmessage.KindImage, broadcaster)
-		return err
-	})
-	group.Go(func() error {
-		var err error
-		image.ThumbnailFile, err = reddit.downloadImage(groupCtx, post, bmessage.KindThumbnail, broadcaster)
-		return err
-	})
-
-	err = group.Wait()
 	return image, err
 }
 
-func (reddit *Reddit) downloadImage(ctx context.Context, post Post, kind bmessage.ImageKind, broadcaster DownloadStatusBroadcaster) (io.Reader, error) {
+func (reddit *Reddit) DownloadThumbnail(ctx context.Context, post Post, broadcaster DownloadStatusBroadcaster) (image PostImage, err error) {
+	imageUrl := post.GetThumbnailURL()
+	image.URL = imageUrl
+
+	image.File, err = reddit.downloadImage(ctx, post, bmessage.KindThumbnail, broadcaster)
+	return image, err
+}
+
+func (reddit *Reddit) downloadImage(ctx context.Context, post Post, kind bmessage.ImageKind, broadcaster DownloadStatusBroadcaster) (io.ReadCloser, error) {
 	var (
 		url    string
-		height int
+		height int64
-		width  int
+		width  int64
 	)
 	if kind == bmessage.KindImage {
 		url = post.GetImageURL()
@@ -75,15 +78,23 @@ func (reddit *Reddit) downloadImage(ctx context.Context, post Post, kind bmessag
 	if metricSpeed == 0 {
 		metricSpeed = 10 * units.KB
 	}
+	metadata := bmessage.ImageMetadata{
+		URL:    url,
+		Height: height,
+		Width:  width,
+		Kind:   kind,
+	}
 	idr := &ImageDownloadReader{
 		OnProgress: func(downloaded int64, contentLength int64, err error) {
+			var event bmessage.DownloadEvent
+			if err != nil {
+				event = bmessage.DownloadError
+			} else {
+				event = bmessage.DownloadProgress
+			}
 			broadcaster.Broadcast(bmessage.ImageDownloadMessage{
-				Metadata: bmessage.ImageMetadata{
+				Event:         event,
-					URL:    url,
+				Metadata:      metadata,
-					Height: height,
-					Width:  width,
-					Kind:   kind,
-				},
 				ContentLength: units.MetricBytes(resp.ContentLength),
 				Downloaded:    units.MetricBytes(downloaded),
 				Subreddit:     post.GetSubreddit(),
@@ -92,6 +103,18 @@ func (reddit *Reddit) downloadImage(ctx context.Context, post Post, kind bmessag
 				Error:         err,
 			})
 		},
+		OnClose: func(downloaded, contentLength int64, closeErr error) {
+			broadcaster.Broadcast(bmessage.ImageDownloadMessage{
+				Event:         bmessage.DownloadEnd,
+				Metadata:      metadata,
+				ContentLength: units.MetricBytes(resp.ContentLength),
+				Downloaded:    units.MetricBytes(downloaded),
+				Subreddit:     post.GetSubreddit(),
+				PostURL:       post.GetPermalink(),
+				PostID:        post.GetID(),
+				Error:         closeErr,
+			})
+		},
 		IdleTimeout:        reddit.Config.Duration("download.timeout.idle"),
 		IdleSpeedThreshold: metricSpeed,
 	}
@@ -100,6 +123,18 @@ func (reddit *Reddit) downloadImage(ctx context.Context, post Post, kind bmessag
 	reader, writer := io.Pipe()
 	go func() {
 		defer resp.Body.Close()
+		broadcaster.Broadcast(bmessage.ImageDownloadMessage{
+			Event: bmessage.DownloadStart,
+			Metadata: bmessage.ImageMetadata{
+				URL:    url,
+				Height: height,
+				Width:  width,
+				Kind:   kind,
+			},
+			Subreddit: post.GetSubreddit(),
+			PostURL:   post.GetPermalink(),
+			PostID:    post.GetID(),
+		})
 		_, err := io.Copy(writer, resp.Body)
 		_ = writer.CloseWithError(err)
 	}()

api/reddit/get_posts.go

@@ -53,7 +53,7 @@ func (reddit *Reddit) GetPosts(ctx context.Context, params GetPostsParam) (posts
 		return posts, errs.Fail("reddit: unexpected status code when executing GetPosts",
 			slog.Group("request", "url", url, "params", params),
 			slog.Group("response", "status_code", res.StatusCode, "body", formatLogBody(res, body)),
-		)
+		).Code(res.StatusCode)
 	}
 
 	err = json.NewDecoder(res.Body).Decode(&posts)

api/reddit/image_download_reader.go

@@ -15,7 +15,7 @@ var ErrIdleTimeoutReached = errors.New("download idle timeout reached")
 
 type ImageDownloadReader struct {
 	OnProgress         func(downloaded int64, contentLength int64, err error)
-	OnClose            func(closeErr error)
+	OnClose            func(downloaded int64, contentLength int64, closeErr error)
 	IdleTimeout        time.Duration
 	IdleSpeedThreshold units.MetricBytes
 
@@ -107,7 +107,7 @@ func (idr *ImageDownloadReader) Close() error {
 	idr.exit <- struct{}{}
 	err := idr.reader.Close()
 	if idr.OnClose != nil {
-		idr.OnClose(err)
+		idr.OnClose(idr.downloaded.Load(), idr.contentLength, err)
 	}
 	return err
 }

api/reddit/post.go

@@ -1,5 +1,15 @@
 package reddit
 
+import (
+	"fmt"
+	"net/url"
+	"path"
+	"strings"
+
+	"github.com/tigorlazuardi/redmage/config"
+	"github.com/tigorlazuardi/redmage/db/queries"
+)
+
 type Listing struct {
 	Kind string `json:"kind"`
 	Data Data   `json:"data"`
@@ -15,8 +25,8 @@ type (
 	Gildings         struct{}
 	Source           struct {
 		URL    string `json:"url"`
-		Width  int    `json:"width"`
+		Width  int64  `json:"width"`
-		Height int    `json:"height"`
+		Height int64  `json:"height"`
 	}
 )
 
@@ -86,7 +96,7 @@ type PostData struct {
 	Pwls                       int                      `json:"pwls"`
 	LinkFlairCSSClass          string                   `json:"link_flair_css_class"`
 	Downs                      int                      `json:"downs"`
-	ThumbnailHeight            int                      `json:"thumbnail_height"`
+	ThumbnailHeight            int64                    `json:"thumbnail_height"`
 	TopAwardedType             any                      `json:"top_awarded_type"`
 	HideScore                  bool                     `json:"hide_score"`
 	MediaMetadata              map[string]MediaMetadata `json:"media_metadata"`
@@ -98,7 +108,7 @@ type PostData struct {
 	Ups                        int                      `json:"ups"`
 	Domain                     string                   `json:"domain"`
 	MediaEmbed                 MediaEmbed               `json:"media_embed"`
-	ThumbnailWidth             int                      `json:"thumbnail_width"`
+	ThumbnailWidth             int64                    `json:"thumbnail_width"`
 	AuthorFlairTemplateID      string                   `json:"author_flair_template_id"`
 	IsOriginalContent          bool                     `json:"is_original_content"`
 	UserReports                []any                    `json:"user_reports"`
@@ -189,6 +199,10 @@ type Post struct {
 	Data PostData `json:"data,omitempty"`
 }
 
+func (post *Post) IsNSFW() bool {
+	return post.Data.Over18
+}
+
 func (post *Post) IsImagePost() bool {
 	return post.Data.PostHint == "image"
 }
@@ -197,7 +211,44 @@ func (post *Post) GetImageURL() string {
 	return post.Data.URL
 }
 
-func (post *Post) GetImageSize() (width, height int) {
+func (post *Post) GetImageAspectRatio() float64 {
+	width, height := post.GetImageSize()
+	if height == 0 {
+		return 0
+	}
+	return float64(width) / float64(height)
+}
+
+func (post *Post) GetImageTargetPath(cfg *config.Config, device queries.Device) string {
+	baseDownloadDir := cfg.String("download.directory")
+	return path.Join(baseDownloadDir, device.Name, post.GetSubreddit(), post.GetImageFilename())
+}
+
+func (post *Post) GetWindowsWallpaperImageTargetPath(cfg *config.Config, device queries.Device) string {
+	baseDownloadDir := cfg.String("download.directory")
+	filename := fmt.Sprintf("%s_%s", post.GetSubreddit(), post.GetImageFilename())
+	return path.Join(baseDownloadDir, device.Name, filename)
+}
+
+func (post *Post) GetThumbnailTargetPath(cfg *config.Config) string {
+	baseDownloadDir := cfg.String("download.directory")
+	return path.Join(baseDownloadDir, "_thumbnails", post.GetSubreddit(), post.GetImageFilename())
+}
+
+func (post *Post) GetImageFilename() string {
+	if !post.IsImagePost() {
+		return ""
+	}
+	link := post.GetImageURL()
+	u, _ := url.Parse(link)
+	if u == nil {
+		return ""
+	}
+	split := strings.Split(u.Path, "/")
+	return split[len(split)-1]
+}
+
+func (post *Post) GetImageSize() (width, height int64) {
 	if len(post.Data.Preview.Images) == 0 {
 		return 0, 0
 	}
@@ -209,7 +260,7 @@ func (post *Post) GetThumbnailURL() string {
 	return post.Data.Thumbnail
 }
 
-func (post *Post) GetThumbnailSize() (width, height int) {
+func (post *Post) GetThumbnailSize() (width, height int64) {
 	return post.Data.ThumbnailWidth, post.Data.ThumbnailHeight
 }
 

cli/serve.go

@@ -2,10 +2,12 @@ package cli
 
 import (
 	"io/fs"
+	"net/http"
 	"os"
 
 	"github.com/spf13/cobra"
 	"github.com/tigorlazuardi/redmage/api"
+	"github.com/tigorlazuardi/redmage/api/reddit"
 	"github.com/tigorlazuardi/redmage/db"
 	"github.com/tigorlazuardi/redmage/db/queries"
 	"github.com/tigorlazuardi/redmage/pkg/log"
@@ -35,7 +37,17 @@ var serveCmd = &cobra.Command{
 
 		queries := queries.New(db)
 
-		api := api.New(queries, db, cfg)
+		red := &reddit.Reddit{
+			Client: http.DefaultClient,
+			Config: cfg,
+		}
+
+		api := api.New(api.Dependencies{
+			Queries: queries,
+			DB:      db,
+			Config:  cfg,
+			Reddit:  red,
+		})
 
 		server := server.New(cfg, api, PublicDir)
 

config/default.go

@@ -15,11 +15,12 @@ var DefaultConfig = map[string]any{
 	"db.string":      "data.db",
 	"db.automigrate": true,
 
-	"download.concurrency":       5,
+	"download.concurrency.images":     5,
-	"download.directory":         "",
+	"download.concurrency.subreddits": 3,
-	"download.timeout.headers":   "10s",
+	"download.directory":              "",
-	"download.timeout.idle":      "5s",
+	"download.timeout.headers":        "10s",
-	"download.timeout.idlespeed": "10KB",
+	"download.timeout.idle":           "5s",
+	"download.timeout.idlespeed":      "10KB",
 
 	"http.port":             "8080",
 	"http.host":             "0.0.0.0",

db/migrations/20240409221254_create_table_device.sql

@@ -11,6 +11,7 @@ CREATE TABLE devices(
     max_x INTEGER NOT NULL DEFAULT 0,
     max_y INTEGER NOT NULL DEFAULT 0,
     nsfw INTEGER NOT NULL DEFAULT 0,
+    windows_wallpaper_mode INTEGER NOT NULL DEFAULT 0,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
     updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL
 );

go.mod

@@ -34,6 +34,7 @@ require (
 	github.com/samber/lo v1.38.1 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.25.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.1.0 // indirect
+	golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8 // indirect
 	golang.org/x/net v0.23.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240227224415-6ceb2ff114de // indirect
@@ -44,6 +45,7 @@ require (
 
 require (
 	github.com/XSAM/otelsql v0.29.0
+	github.com/disintegration/imaging v1.6.2
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect

go.sum

@@ -33,6 +33,8 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
+github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
 github.com/docker/cli v24.0.7+incompatible h1:wa/nIwYFW7BVTGa7SWPVyyXU9lgORqUb1xfI36MSkFg=
 github.com/docker/cli v24.0.7+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
 github.com/docker/docker v24.0.7+incompatible h1:Wo6l37AuwP3JaMnZa226lzVXGA3F9Ig1seQen0cKYlM=
@@ -248,6 +250,8 @@ golang.org/x/crypto v0.18.0 h1:PGVlW0xEltQnzFZ55hkuX5+KLyrMYhHld1YHO4AKcdc=
 golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
 golang.org/x/exp v0.0.0-20231219180239-dc181d75b848 h1:+iq7lrkxmFNBM7xx+Rae2W6uyPfhPeDWD+n+JgppptE=
 golang.org/x/exp v0.0.0-20231219180239-dc181d75b848/go.mod h1:iRJReGqOEeBhDZGkGbynYwcHlctCvnjTYIamk7uXpHI=
+golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8 h1:hVwzHzIUGRjiF7EcUjqNxk3NCfkPxbDKRdnNE1Rpg0U=
+golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
 golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo=
@@ -264,6 +268,7 @@ golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
 golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/tools v0.17.0 h1:FvmRgNOcs3kOa+T20R1uhfP9F6HgG2mfxDv1vrx1Htc=

pkg/telemetry/status.go

@@ -0,0 +1,31 @@
+package telemetry
+
+import (
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/trace"
+)
+
+// EndWithStatus ends the span with the status of the error if not nil
+// otherwise it will set the status to OK.
+//
+// This function should be used for ending spans, not for starting spans
+// or spans that will have children, to avoid duplicate error recordings.
+//
+// Do not defer this function directly since err might be nil at the
+// start of defer call. Instead it should be wrapped in a function to
+// capture the error correctly.
+//
+// Example:
+//
+//	var err error
+//	ctx, span := tracer.Start(ctx, "my-operation")
+//	defer func() { telemetry.EndWithStatus(span, err) }()
+func EndWithStatus(span trace.Span, err error) {
+	if err != nil {
+		span.RecordError(err)
+		span.SetStatus(codes.Error, err.Error())
+	} else {
+		span.SetStatus(codes.Ok, "")
+	}
+	span.End()
+}