Add the calendar view (M10)

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

internal/sonarr/sonarr.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"net/url"
 	"strconv"
+	"time"
 
 	"git.stinnesbeck.com/nils/arr-tui/internal/arr"
 )
@@ -210,14 +211,17 @@ func (c *Client) Queue(ctx context.Context) ([]arr.QueueItem, error) {
 
 // Episode is an episode of a library series.
 type Episode struct {
-	ID            int    `json:"id"`
-	SeriesID      int    `json:"seriesId"`
-	SeasonNumber  int    `json:"seasonNumber"`
-	EpisodeNumber int    `json:"episodeNumber"`
-	Title         string `json:"title"`
-	AirDate       string `json:"airDate"`
-	HasFile       bool   `json:"hasFile"`
-	Monitored     bool   `json:"monitored"`
+	ID            int     `json:"id"`
+	SeriesID      int     `json:"seriesId"`
+	SeasonNumber  int     `json:"seasonNumber"`
+	EpisodeNumber int     `json:"episodeNumber"`
+	Title         string  `json:"title"`
+	AirDate       string  `json:"airDate"`
+	AirDateUTC    string  `json:"airDateUtc"`
+	Overview      string  `json:"overview,omitempty"`
+	HasFile       bool    `json:"hasFile"`
+	Monitored     bool    `json:"monitored"`
+	Series        *Series `json:"series,omitempty"` // only with includeSeries
 }
 
 // Episodes lists all episodes of a library series.
@@ -257,3 +261,17 @@ func (c *Client) DeleteSeries(ctx context.Context, id int, deleteFiles, addExclu
 	}
 	return c.Do(ctx, http.MethodDelete, "series/"+strconv.Itoa(id), q, nil, nil)
 }
+
+// Calendar lists the episodes airing between start and end, both inclusive,
+// with their series. Unmonitored episodes are only included when asked for.
+func (c *Client) Calendar(ctx context.Context, start, end time.Time, unmonitored bool) ([]Episode, error) {
+	q := url.Values{
+		"start":         {start.Format("2006-01-02")},
+		"end":           {end.Format("2006-01-02")},
+		"unmonitored":   {strconv.FormatBool(unmonitored)},
+		"includeSeries": {"true"},
+	}
+	var episodes []Episode
+	err := c.Do(ctx, http.MethodGet, "calendar", q, nil, &episodes)
+	return episodes, err
+}