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dont save over an existing design doc

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This commit is contained in:
Chris Anderson 2008-10-02 21:21:48 -07:00
parent 428d304438
commit c170008deb
2 changed files with 40 additions and 7 deletions
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25
lib/couchrest/core/model.rb
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@ -1,3 +1,5 @@
require 'digest/md5'
# = CouchRest::Model - ORM, the CouchDB way
module CouchRest
# = CouchRest::Model - ORM, the CouchDB way
@ -270,7 +272,7 @@ module CouchRest
refresh_design_doc
end
raw = query.delete(:raw)
view_name = "#{type}/#{method_name}"
view_name = "#{design_doc_slug}/#{method_name}"
view = fetch_view(view_name, query)
if raw
@ -283,6 +285,11 @@ module CouchRest
end
end
# Fetch the generated design doc. Could raise an error if the generated views have not been queried yet.
def design_doc
database.get("_design/#{design_doc_slug}")
end
private
def fetch_view view_name, opts
@ -301,26 +308,33 @@ module CouchRest
end
end
def design_doc_id
"_design/#{self.to_s}"
def design_doc_slug
return @design_doc_slug if @design_doc_slug && @@design_doc_fresh
funcs = []
@@design_doc['views'].each do |name, view|
funcs << "#{name}/#{view}"
end
md5 = Digest::MD5.hexdigest(funcs.sort.join(''))
@design_doc_slug = "#{self.to_s}-#{md5}"
end
def default_design_doc
{
"_id" => design_doc_id,
"language" => "javascript",
"views" => {}
}
end
def refresh_design_doc
saved = database.get(design_doc_id) rescue nil
did = "_design/#{design_doc_slug}"
saved = database.get(did) rescue nil
if saved
@@design_doc['views'].each do |name, view|
saved['views'][name] = view
end
database.save(saved)
else
@@design_doc['_id'] = did
database.save(@@design_doc)
end
@@design_doc_fresh = true
@ -408,6 +422,7 @@ module CouchRest
def cast_keys
return unless self.class.casts
# TODO move the argument checking to the cast method for early crashes
self.class.casts.each do |k,v|
next unless self[k]
target = v[:as]