Implement 'get_video' api

Author: nandesh-dev

internal/api/get_video.go

@@ -0,0 +1,32 @@
+package api
+
+import (
+	"context"
+	"fmt"
+
+	"connectrpc.com/connect"
+	"github.com/nandesh-dev/subtle/generated/ent/videoschema"
+	"github.com/nandesh-dev/subtle/generated/proto/web"
+)
+
+func (h WebServiceHandler) GetVideo(ctx context.Context, req *connect.Request[web.GetVideoRequest]) (*connect.Response[web.GetVideoResponse], error) {
+	videoEntry, err := h.db.VideoSchema.Query().Where(videoschema.IDEQ(int(req.Msg.Id))).Only(h.ctx)
+	if err != nil {
+		return nil, fmt.Errorf("cannot get video entry from database, err: %v", err)
+	}
+
+	subtitleEntries, err := videoEntry.QuerySubtitles().All(h.ctx)
+	if err != nil {
+		return nil, fmt.Errorf("cannot get subtitle entries from database, err: %v", err)
+	}
+
+	subtitleIds := make([]int32, 0, len(subtitleEntries))
+	for _, subtitleEntry := range subtitleEntries {
+		subtitleIds = append(subtitleIds, int32(subtitleEntry.ID))
+	}
+
+	return connect.NewResponse(&web.GetVideoResponse{
+		Filepath:    videoEntry.Filepath,
+		SubtitleIds: subtitleIds,
+	}), nil
+}