chore: initial public commit

This commit is contained in:
Gabe Farrell 2025-06-11 19:45:39 -04:00
commit fc9054b78c
250 changed files with 32809 additions and 0 deletions

189
internal/images/deezer.go Normal file
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package images
import (
"context"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"strings"
"github.com/gabehf/koito/internal/logger"
"github.com/gabehf/koito/internal/utils"
"github.com/gabehf/koito/queue"
)
type DeezerClient struct {
url string
userAgent string
requestQueue *queue.RequestQueue
}
type DeezerAlbumResponse struct {
Data []DeezerAlbum `json:"data"`
}
type DeezerAlbum struct {
Title string `json:"title"`
CoverXL string `json:"cover_xl"`
CoverSm string `json:"cover_small"`
CoverMd string `json:"cover_medium"`
CoverBig string `json:"cover_big"`
}
type DeezerArtistResponse struct {
Data []DeezerArtist `json:"data"`
}
type DeezerArtist struct {
Name string `json:"name"`
PictureXL string `json:"picture_xl"`
PictureSm string `json:"picture_small"`
PictureMd string `json:"picture_medium"`
PictureBig string `json:"picture_big"`
}
const (
deezerBaseUrl = "https://api.deezer.com"
albumImageEndpoint = "/search/album?q=%s"
artistImageEndpoint = "/search/artist?q=%s"
)
func NewDeezerClient(useragent string) *DeezerClient {
ret := new(DeezerClient)
ret.url = deezerBaseUrl
ret.userAgent = useragent
ret.requestQueue = queue.NewRequestQueue(1, 1)
return ret
}
func (c *DeezerClient) Shutdown() {
c.requestQueue.Shutdown()
}
func (c *DeezerClient) queue(ctx context.Context, req *http.Request) ([]byte, error) {
l := logger.FromContext(ctx)
req.Header.Set("User-Agent", c.userAgent)
req.Header.Set("Accept", "application/json")
resultChan := c.requestQueue.Enqueue(func(client *http.Client, done chan<- queue.RequestResult) {
resp, err := client.Do(req)
if err != nil {
l.Debug().Err(err).Str("url", req.RequestURI).Msg("Failed to contact ImageSrc")
done <- queue.RequestResult{Err: err}
return
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
done <- queue.RequestResult{Body: body, Err: err}
})
result := <-resultChan
return result.Body, result.Err
}
func (c *DeezerClient) getEntity(ctx context.Context, endpoint string, result any) error {
l := logger.FromContext(ctx)
url := deezerBaseUrl + endpoint
l.Debug().Msgf("Sending request to ImageSrc: GET %s", url)
req, err := http.NewRequest("GET", url, nil)
if err != nil {
return err
}
l.Debug().Msg("Adding ImageSrc request to queue")
body, err := c.queue(ctx, req)
if err != nil {
l.Debug().Err(err)
return err
}
err = json.Unmarshal(body, result)
if err != nil {
l.Debug().Err(err)
return err
}
return nil
}
func (c *DeezerClient) GetArtistImages(ctx context.Context, aliases []string) (string, error) {
l := logger.FromContext(ctx)
resp := new(DeezerArtistResponse)
aliasesUniq := utils.UniqueIgnoringCase(aliases)
aliasesAscii := utils.RemoveNonAscii(aliasesUniq)
// Deezer very often uses romanized names for foreign artists, so check those first
for _, a := range aliasesAscii {
err := c.getEntity(ctx, fmt.Sprintf(artistImageEndpoint, url.QueryEscape(fmt.Sprintf("artist:\"%s\"", a))), resp)
if err != nil {
return "", err
}
if len(resp.Data) < 1 {
return "", errors.New("artist image not found")
}
for _, v := range resp.Data {
if strings.EqualFold(v.Name, a) {
img := v.PictureXL
l.Debug().Msgf("Found artist images for %s: %v", a, img)
return img, nil
}
}
}
// if no romanized name exists or couldn't be found, check the rest
for _, a := range utils.RemoveInBoth(aliasesUniq, aliasesAscii) {
err := c.getEntity(ctx, fmt.Sprintf(artistImageEndpoint, url.QueryEscape(fmt.Sprintf("artist:\"%s\"", a))), resp)
if err != nil {
return "", err
}
if len(resp.Data) < 1 {
return "", errors.New("artist image not found")
}
for _, v := range resp.Data {
if strings.EqualFold(v.Name, a) {
img := v.PictureXL
l.Debug().Msgf("Found artist images for %s: %v", a, img)
return img, nil
}
}
}
return "", errors.New("artist image not found")
}
func (c *DeezerClient) GetAlbumImages(ctx context.Context, artists []string, album string) (string, error) {
l := logger.FromContext(ctx)
resp := new(DeezerAlbumResponse)
l.Debug().Msgf("Finding album image for %s from artist(s) %v", album, artists)
// try to find artist + album match for all artists
for _, alias := range artists {
err := c.getEntity(ctx, fmt.Sprintf(albumImageEndpoint, url.QueryEscape(fmt.Sprintf("artist:\"%s\"album:\"%s\"", alias, album))), resp)
if err != nil {
return "", err
}
if len(resp.Data) > 0 {
for _, v := range resp.Data {
if strings.EqualFold(v.Title, album) {
img := v.CoverXL
l.Debug().Msgf("Found album images for %s: %v", album, img)
return img, nil
}
}
}
}
// if none are found, try to find an album just by album title
err := c.getEntity(ctx, fmt.Sprintf(albumImageEndpoint, url.QueryEscape(fmt.Sprintf("album:\"%s\"", album))), resp)
if err != nil {
return "", err
}
for _, v := range resp.Data {
if strings.EqualFold(v.Title, album) {
img := v.CoverXL
l.Debug().Msgf("Found album images for %s: %v", album, img)
return img, nil
}
}
return "", errors.New("album image not found")
}

103
internal/images/imagesrc.go Normal file
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// package imagesrc defines interfaces for album and artist image providers
package images
import (
"context"
"fmt"
"net/http"
"sync"
"github.com/gabehf/koito/internal/logger"
"github.com/google/uuid"
)
type ImageSource struct {
deezerEnabled bool
deezerC *DeezerClient
caaEnabled bool
}
type ImageSourceOpts struct {
UserAgent string
EnableCAA bool
EnableDeezer bool
}
var once sync.Once
var imgsrc ImageSource
type ArtistImageOpts struct {
Aliases []string
}
type AlbumImageOpts struct {
Artists []string
Album string
ReleaseMbzID *uuid.UUID
ReleaseGroupMbzID *uuid.UUID
}
const caaBaseUrl = "https://coverartarchive.org"
// all functions are no-op if no providers are enabled
func Initialize(opts ImageSourceOpts) {
once.Do(func() {
if opts.EnableCAA {
imgsrc.caaEnabled = true
}
if opts.EnableDeezer {
imgsrc.deezerEnabled = true
imgsrc.deezerC = NewDeezerClient(opts.UserAgent)
}
})
}
func GetArtistImage(ctx context.Context, opts ArtistImageOpts) (string, error) {
l := logger.FromContext(ctx)
if imgsrc.deezerC != nil {
img, err := imgsrc.deezerC.GetArtistImages(ctx, opts.Aliases)
if err != nil {
return "", err
}
return img, nil
}
l.Warn().Msg("No image providers are enabled")
return "", nil
}
func GetAlbumImage(ctx context.Context, opts AlbumImageOpts) (string, error) {
l := logger.FromContext(ctx)
if imgsrc.caaEnabled {
l.Debug().Msg("Attempting to find album image from CoverArtArchive")
if opts.ReleaseMbzID != nil && *opts.ReleaseMbzID != uuid.Nil {
url := fmt.Sprintf(caaBaseUrl+"/release/%s/front", opts.ReleaseMbzID.String())
resp, err := http.DefaultClient.Head(url)
if err != nil {
return "", err
}
if resp.StatusCode == 200 {
return url, nil
}
l.Debug().Str("url", url).Str("status", resp.Status).Msg("Could not find album cover from CoverArtArchive with MusicBrainz release ID")
}
if opts.ReleaseGroupMbzID != nil && *opts.ReleaseGroupMbzID != uuid.Nil {
url := fmt.Sprintf(caaBaseUrl+"/release-group/%s/front", opts.ReleaseGroupMbzID.String())
resp, err := http.DefaultClient.Head(url)
if err != nil {
return "", err
}
if resp.StatusCode == 200 {
return url, nil
}
l.Debug().Str("url", url).Str("status", resp.Status).Msg("Could not find album cover from CoverArtArchive with MusicBrainz release group ID")
}
}
if imgsrc.deezerEnabled {
l.Debug().Msg("Attempting to find album image from Deezer")
img, err := imgsrc.deezerC.GetAlbumImages(ctx, opts.Artists, opts.Album)
if err != nil {
return "", err
}
return img, nil
}
l.Warn().Msg("No image providers are enabled")
return "", nil
}

28
internal/images/mock.go Normal file
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package images
import (
"context"
"errors"
)
type MockFinder struct{}
func (m *MockFinder) GetArtistImage(ctx context.Context, opts ArtistImageOpts) (string, error) {
return "", nil
}
func (m *MockFinder) GetAlbumImage(ctx context.Context, opts AlbumImageOpts) (string, error) {
return "", nil
}
func (m *MockFinder) Shutdown() {}
type ErrorFinder struct{}
func (m *ErrorFinder) GetArtistImage(ctx context.Context, opts ArtistImageOpts) (string, error) {
return "", errors.New("mock error")
}
func (m *ErrorFinder) GetAlbumImage(ctx context.Context, opts AlbumImageOpts) (string, error) {
return "", errors.New("mock error")
}
func (m *ErrorFinder) Shutdown() {}