add pstore persistence

folder.rb

@@ -1,9 +1,26 @@
+require 'pstore'
+
 class Folder
   def initialize()
     @steves = []
     @fallen = []
     @submissions = []
-    @idgen = 1
+    @db = PStore.new("submission_db.pstore")
+    @db.transaction do
+      @idgen = @db.fetch('id',default=1)
+      @submissions = @db.fetch('subs',[])
+    end
+  end
+
+  def update()
+    @db.transaction do
+      @db['id'] = @idgen
+      @db['subs'] = @submissions
+    end
+  end
+
+  def num_subs()
+    @submissions.length
   end
 
   def add_steve(uid)

main.rb

@@ -44,7 +44,11 @@ bot.message(private: true,contains: "!folder rise") do |event|
 end
 
 bot.message(private: true, contains: "!folder help") do |event|
-  event.respond("Commands: rise,fall,help")
+  event.respond("Commands: rise,fall,help,status")
+end
+
+bot.message(private: true, contains: "!folder status") do |event|
+  event.respond("Stevefolder has #{folder.num_subs} submissions")
 end
 
 bot.message(private: true) do |event|
@@ -87,6 +91,7 @@ bot.message(private: true) do |event|
     event.respond("Submission #{i} accepted")
     i= i+1
   end
+  folder.update()
 end
 
 
@@ -117,4 +122,5 @@ loop do
   else
     steve.pm(msg.content)
   end
+  folder.update()
 end