From 478e4c921239aec3c474ba7f26eeae5ef774ce80 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Sat, 26 Nov 2011 12:06:17 +0900
Subject: [PATCH] use the original id if available when importing

---
 anki/importing/anki2.py | 24 ++++++++++++++----------
 anki/stats.py           |  5 -----
 2 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/anki/importing/anki2.py b/anki/importing/anki2.py
index 5fa9765b4..a3d14cf52 100644
--- a/anki/importing/anki2.py
+++ b/anki/importing/anki2.py
@@ -59,9 +59,11 @@ class Anki2Importer(Importer):
     def _importNotes(self):
         # build guid -> (id,mod,mid) hash
         self._notes = {}
+        existing = {}
         for id, guid, mod, mid in self.dst.db.execute(
             "select id, guid, mod, mid from notes"):
             self._notes[guid] = (id, mod, mid)
+            existing[id] = True
         # iterate over source collection
         add = []
         dirty = []
@@ -74,8 +76,11 @@ class Anki2Importer(Importer):
             if guid not in self._notes:
                 # get corresponding local model
                 lmid = self._mid(mid)
+                # ensure id is unique
+                while note[0] in existing:
+                    note[0] += 999
+                existing[note[0]] = True
                 # rewrite internal ids, models, etc
-                note[0] = self.ts()
                 note[2] = lmid
                 note[3] = self._did(note[3])
                 note[4] = intTime()
@@ -85,7 +90,7 @@ class Anki2Importer(Importer):
                 # note we have the added note
                 self._notes[guid] = (note[0], note[4], note[2])
             else:
-                continue #raise Exception("merging notes nyi")
+                print "merging notes nyi"
         # add to col
         self.dst.db.executemany(
             "insert or replace into notes values (?,?,?,?,?,?,?,?,?,?,?,?)",
@@ -166,16 +171,17 @@ class Anki2Importer(Importer):
     def _importCards(self):
         if not self.needCards:
             return
-        # build map of (guid, ord) -> cid
+        # build map of (guid, ord) -> cid and used id cache
         self._cards = {}
+        existing = {}
         for guid, ord, cid in self.dst.db.execute(
             "select f.guid, c.ord, c.id from cards c, notes f "
             "where c.nid = f.id"):
+            existing[cid] = True
             self._cards[(guid, ord)] = cid
         # loop through src
         cards = []
         revlog = []
-        print "fixme: need to check schema issues in card import"
         cnt = 0
         for card in self.src.db.execute(
             "select f.guid, f.mid, c.* from cards c, notes f "
@@ -185,11 +191,6 @@ class Anki2Importer(Importer):
             if guid not in self._notes:
                 continue
             dnid = self._notes[guid]
-            # does the note share the same schema?
-            # shash = self._srcModels[card[1]]
-            # mid = self._notes[guid][2]
-            # if shash != self._dstModels[mid]:
-            #     continue
             # does the card already exist in the dst col?
             ord = card[5]
             if (guid, ord) in self._cards:
@@ -198,8 +199,11 @@ class Anki2Importer(Importer):
             # doesn't exist. strip off note info, and save src id for later
             card = list(card[2:])
             scid = card[0]
+            # ensure the card id is unique
+            while card[0] in existing:
+                card[0] += 999
+            existing[card[0]] = True
             # update cid, nid, etc
-            card[0] = self.ts()
             card[1] = self._notes[guid][0]
             card[2] = self._did(card[2])
             card[4] = intTime()
diff --git a/anki/stats.py b/anki/stats.py
index a062414fc..9c1a08637 100644
--- a/anki/stats.py
+++ b/anki/stats.py
@@ -548,11 +548,6 @@ where did in %s """ % self._limit())
             self._line(i, _("Lowest ease factor"), "%d%%" % low)
             self._line(i, _("Average ease factor"), "%d%%" % avg)
             self._line(i, _("Highest ease factor"), "%d%%" % high)
-        min = self.col.db.scalar(
-            "select min(id) from cards where did in %s " % self._limit())
-        if min:
-            self._line(i, _("First card created"), _("%s ago") % fmtTimeSpan(
-            time.time() - (min/1000)))
         info = "<table width=100%>" + "".join(i) + "</table><p>"
         info += _('''\
 A card's <i>ease factor</i> is the size of the next interval \