Work on Mac OS X only.
#!/bin/bash
prefix="Timka.iPAD"
srcdir="/Users/vladget/Pictures/Медиатека Фото.photoslibrary/Masters/2015/09/19/20150919-144326"
dstdir="/Users/vladget/photos"
mkdir -p "$dstdir"
# do not use ls!
# http://mywiki.wooledge.org/ParsingLs
for file in $srcdir/*; do
dstsubdir="$dstdir"/$(date -r `stat -f "%m" "$file"` "+%Y.%m.%d."$prefix".")
if [ ! -d "$dstsubdir" ]; then
mkdir -p "$dstsubdir"
fi
mv "$file" "$dstsubdir"/
done