feat(lidarr): LookupArtistByMBID, LookupAlbumByMBID, DeleteAlbum

internal/lidarr/delete.go

@@ -0,0 +1,69 @@
+package lidarr
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+// del is the shared DELETE helper. Mirrors get()/post() in client.go: builds
+// the URL inline, sets the API key, maps status codes to typed errors. The
+// caller is responsible for closing the returned body.
+func (c *Client) del(ctx context.Context, path string, q url.Values) (*http.Response, error) {
+	u, err := url.Parse(c.BaseURL)
+	if err != nil {
+		return nil, fmt.Errorf("%w: %v", ErrUnreachable, err)
+	}
+	u.Path = strings.TrimRight(u.Path, "/") + path
+	if q != nil {
+		u.RawQuery = q.Encode()
+	}
+	req, err := http.NewRequestWithContext(ctx, http.MethodDelete, u.String(), nil)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("X-Api-Key", c.APIKey)
+
+	resp, err := c.HTTP.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("%w: %v", ErrUnreachable, err)
+	}
+	if resp.StatusCode == http.StatusUnauthorized || resp.StatusCode == http.StatusForbidden {
+		_ = resp.Body.Close()
+		return nil, ErrAuthFailed
+	}
+	if resp.StatusCode >= 500 {
+		_ = resp.Body.Close()
+		return nil, ErrServerError
+	}
+	if resp.StatusCode >= 400 {
+		_ = resp.Body.Close()
+		return nil, ErrLookupFailed
+	}
+	return resp, nil
+}
+
+// DeleteAlbum removes an album from Lidarr's library.
+//   - deleteFiles=true also removes the audio files from disk.
+//   - addImportListExclusion=true tells Lidarr to never re-add this album
+//     via import-list scans.
+//
+// M5b's admin "delete via Lidarr" action always passes both `true`.
+func (c *Client) DeleteAlbum(ctx context.Context, lidarrAlbumID int, deleteFiles, addImportListExclusion bool) error {
+	if lidarrAlbumID == 0 {
+		return fmt.Errorf("lidarr: zero album id")
+	}
+	q := url.Values{
+		"deleteFiles":            []string{strconv.FormatBool(deleteFiles)},
+		"addImportListExclusion": []string{strconv.FormatBool(addImportListExclusion)},
+	}
+	resp, err := c.del(ctx, "/api/v1/album/"+strconv.Itoa(lidarrAlbumID), q)
+	if err != nil {
+		return err
+	}
+	resp.Body.Close()
+	return nil
+}