Add the calendar view (M10)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/radarr/radarr.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"net/url"
 	"strconv"
+	"time"
 
 	"git.stinnesbeck.com/nils/arr-tui/internal/arr"
 )
@@ -56,6 +57,9 @@ type Movie struct {
 	Monitored        bool           `json:"monitored"`
 	HasFile          bool           `json:"hasFile"`
 	QualityProfileID int            `json:"qualityProfileId"`
+	InCinemas        string         `json:"inCinemas,omitempty"` // ISO timestamps, empty if unknown
+	PhysicalRelease  string         `json:"physicalRelease,omitempty"`
+	DigitalRelease   string         `json:"digitalRelease,omitempty"`
 	SizeOnDisk       int64          `json:"sizeOnDisk"`
 	IsAvailable      bool           `json:"isAvailable"`
 	Path             string         `json:"path,omitempty"`
@@ -181,3 +185,17 @@ func (c *Client) DeleteMovie(ctx context.Context, id int, deleteFiles, addExclus
 	}
 	return c.Do(ctx, http.MethodDelete, "movie/"+strconv.Itoa(id), q, nil, nil)
 }
+
+// Calendar lists the library movies with a release date (cinemas, digital or
+// physical) between start and end, both inclusive. Unmonitored movies are
+// only included when asked for.
+func (c *Client) Calendar(ctx context.Context, start, end time.Time, unmonitored bool) ([]Movie, error) {
+	q := url.Values{
+		"start":       {start.Format("2006-01-02")},
+		"end":         {end.Format("2006-01-02")},
+		"unmonitored": {strconv.FormatBool(unmonitored)},
+	}
+	var movies []Movie
+	err := c.Do(ctx, http.MethodGet, "calendar", q, nil, &movies)
+	return movies, err
+}