From 9865bd8e518c96c981b09f143876ca65cef292b8 Mon Sep 17 00:00:00 2001
From: Brent Simmons <brent@ranchero.com>
Date: Sat, 25 Nov 2017 13:11:19 -0800
Subject: [PATCH] =?UTF-8?q?Fix=20a=20crash=20on=20startup=20=E2=80=94?=
 =?UTF-8?q?=C2=A0detect=20when=20there=20are=20no=20feeds=20and=20don?=
 =?UTF-8?q?=E2=80=99t=20hit=20database.?=
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---
 Frameworks/Database/ArticlesTable.swift | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Frameworks/Database/ArticlesTable.swift b/Frameworks/Database/ArticlesTable.swift
index 7d6bd1af1..89708a4a7 100644
--- a/Frameworks/Database/ArticlesTable.swift
+++ b/Frameworks/Database/ArticlesTable.swift
@@ -127,6 +127,11 @@ final class ArticlesTable: DatabaseTable {
 	
 	func fetchUnreadCounts(_ feeds: Set<Feed>, _ completion: @escaping UnreadCountCompletionBlock) {
 		
+		if feeds.isEmpty {
+			completion(UnreadCountDictionary())
+			return
+		}
+
 		let feedIDs = feeds.feedIDs()
 		var unreadCountDictionary = UnreadCountDictionary()
 
@@ -146,6 +151,11 @@ final class ArticlesTable: DatabaseTable {
 
 		// Get unread count for today, for instance.
 
+		if feeds.isEmpty {
+			callback(0)
+			return
+		}
+		
 		let feedIDs = feeds.feedIDs()
 		queue.fetch { (database) in
 
@@ -166,6 +176,11 @@ final class ArticlesTable: DatabaseTable {
 
 	func fetchStarredAndUnreadCount(_ feeds: Set<Feed>, _ callback: @escaping (Int) -> Void) {
 
+		if feeds.isEmpty {
+			callback(0)
+			return
+		}
+
 		let feedIDs = feeds.feedIDs()
 		queue.fetch { (database) in