instiki/script/import_storage

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#!/usr/bin/env ruby
require 'optparse'
OPTIONS = {
:instiki_root => nil,
:storage => nil,
:database => 'mysql'
}
ARGV.options do |opts|
script_name = File.basename($0)
opts.banner = "Usage: ruby #{script_name} [options]"
opts.separator ""
opts.on("-t", "--storage /full/path/to/storage", String,
"Full path to your storage, ",
"such as /home/joe/instiki/storage/2500",
"It should be the directory that ",
"contains .snapshot files.") do |storage|
OPTIONS[:storage] = storage
end
opts.separator ""
opts.on("-i", "--instiki /full/path/to/instiki", String,
"Full path to your Instiki installation, ",
"such as /home/joe/instiki") do |instiki|
OPTIONS[:instiki] = instiki
end
opts.separator ""
opts.on("-o", "--outfile /full/path/to/output_file", String,
"Full path (including filename!) to where ",
"you want the SQL output placed, such as ",
"/home/joe/instiki.sql") do |outfile|
OPTIONS[:outfile] = outfile
end
opts.on("-d", "--database {mysql|sqlite|postgres}", String,
"Target database (they have slightly different syntax)",
"default: mysql") do |database|
OPTIONS[:database] = database
end
opts.separator ""
opts.on_tail("-h", "--help",
"Show this help message.") { puts opts; exit }
opts.parse!
end
if OPTIONS[:instiki].nil? or OPTIONS[:storage].nil? or OPTIONS[:outfile].nil?
$stderr.puts "Please specify full paths to Instiki installation and storage,"
$stderr.puts "as well as the path to the output file"
$stderr.puts
puts ARGV.options
exit -1
end
if FileTest.exists? OPTIONS[:outfile]
$stderr.puts "Output file #{OPTIONS[:outfile]} already exists!"
$stderr.puts "Please specify a new file"
$stderr.puts
puts ARGV.options
exit -1
end
raise "Directory #{OPTIONS[:instiki]} not found" unless File.directory?(OPTIONS[:instiki])
raise "Directory #{OPTIONS[:storage]} not found" unless File.directory?(OPTIONS[:storage])
expected_page_rb_path = File.join(OPTIONS[:instiki], 'app/models/page.rb')
raise "Instiki installation not found in #{OPTIONS[:instiki]}" unless File.file?(expected_page_rb_path)
expected_snapshot_pattern = File.join(OPTIONS[:storage], '*.snapshot')
raise "No snapshots found in OPTIONS[:storage]" if Dir[expected_snapshot_pattern].empty?
INSTIKI_ROOT = File.expand_path(OPTIONS[:instiki])
ADDITIONAL_LOAD_PATHS = %w(
app/models
lib
vendor/madeleine-0.7.1/lib
vendor/RedCloth-3.0.3/lib
vendor/rubyzip-0.5.8/lib
).map { |dir| "#{File.expand_path(File.join(INSTIKI_ROOT, dir))}"
}.delete_if { |dir| not File.exist?(dir) }
# Prepend to $LOAD_PATH
ADDITIONAL_LOAD_PATHS.reverse.each { |dir| $:.unshift(dir) if File.directory?(dir) }
require 'webrick'
require 'wiki_service'
class Revision
alias :__display_content :display_content
def display_content
return self
end
end
class Time
def ansi
strftime('%Y-%m-%d %H:%M:%S')
end
end
def sql_insert(table, hash)
output = "INSERT INTO #{table} ("
output << hash.keys.join(", ")
output << ") VALUES ('"
output << hash.values.map do |v|
case OPTIONS[:database]
when 'mysql', 'postgres'
v.to_s.gsub("'", "\\\\'")
when 'sqlite'
v.to_s.gsub("'", "''")
else
raise "Unsupported database option #{OPTIONS[:database]}"
end
end.join("', '")
output << "');"
output
end
WikiService.storage_path = OPTIONS[:storage]
wiki = WikiService.instance
File.open(OPTIONS[:outfile], 'w') { |outfile|
wiki.webs.each_pair do |web_name, web|
outfile.puts sql_insert(:webs, {
:id => web.object_id,
:name => web.name,
:address => web.address,
:password => web.password,
:additional_style => web.additional_style,
:allow_uploads => web.allow_uploads,
:published => web.published,
:count_pages => web.count_pages,
:markup => web.markup,
:color => web.color,
:max_upload_size => web.max_upload_size,
:safe_mode => web.safe_mode,
:brackets_only => web.brackets_only,
:created_at => web.pages.values.map { |p| p.revisions.first.created_at }.min.ansi,
:updated_at => web.pages.values.map { |p| p.revisions.last.created_at }.max.ansi
})
puts "Web #{web_name} has #{web.pages.keys.size} pages"
web.pages.each_pair do |page_name, page|
outfile.puts sql_insert(:pages, {
:id => page.object_id,
:web_id => web.object_id,
:locked_by => page.locked_by,
:name => page.name,
:created_at => page.revisions.first.created_at.ansi,
:updated_at => page.revisions.last.created_at.ansi
})
puts " Page #{page_name} has #{page.revisions.size} revisions"
page.revisions.each_with_index do |rev, i|
outfile.puts sql_insert(:revisions, {
:id => rev.object_id,
:page_id => page.object_id,
:content => rev.content,
:author => rev.author.to_s,
:ip => (rev.author.is_a?(Author) ? rev.author.ip : 'N/A'),
:created_at => rev.created_at.ansi,
:updated_at => rev.created_at.ansi,
:revised_at => rev.created_at.ansi
})
puts " Revision #{i} created at #{rev.created_at.ansi}"
end
end
end
}