From feec7ac56e77fc3cc90e2f2b87032a3198004a83 Mon Sep 17 00:00:00 2001
From: siddharth <s@ricketyspace.net>
Date: Sun, 28 Nov 2021 20:35:35 -0500
Subject: feed: add Feed.Last

---
 feed/feed.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/feed/feed.go b/feed/feed.go
index e97921c..8d3609c 100644
--- a/feed/feed.go
+++ b/feed/feed.go
@@ -19,6 +19,7 @@ type Feed struct {
 	Id      string `json:"id"`
 	Source  string `json:"source"`
 	Schema  string `json:"schema"`
+	Last    uint `json:"last"`
 	YDLPath string
 	DumpDir string
 	Entries []schema.Entry
@@ -56,6 +57,11 @@ func (feed *Feed) Validate(ydlPath, baseDumpDir string) error {
 			feed.Schema, feed.Id)
 	}
 
+	// Check 'last'
+	if feed.Last < 1 {
+		return fmt.Errorf("'last' not set or 0 in a feed '%s'", feed.Id)
+	}
+
 	// Set ydl-path for feed.
 	feed.YDLPath = ydlPath
 
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