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Making it easier to maybe put .inspect on all the accesses to the json export

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This commit is contained in:
Raphael 2011-01-04 14:25:40 -08:00
parent 894a008daa
commit c643346589
2 changed files with 33 additions and 12 deletions
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41
lib/mongo_to_mysql.rb
View file

@ -4,15 +4,29 @@
require 'json'
require 'csv'
class MongoToMysql
def csv_options
{:col_sep => ",",
:row_sep => :auto,
:quote_char => '"',
:field_size_limit => nil,
:converters => nil,
:unconverted_fields => nil,
:headers => false,
:return_headers => false,
:header_converters => nil,
:skip_blanks => false,
:force_quotes => false }
end
def dirname
"tmp/export-for-mysql"
end
def dirpath
"#{Rails.root}/#{dirname}"
end
def make_dir
`mkdir -p #{dirname}/json`
`mkdir -p #{dirname}/csv`
def clear_dir
`rm -rf #{dirpath}`
`mkdir -p #{dirpath}/json`
`mkdir -p #{dirpath}/csv`
end
def db_name
"diaspora-#{Rails.env}"
@ -78,7 +92,8 @@ class MongoToMysql
def comments_json_to_csv model_hash
model_hash[:attrs] = ["mongo_id", "post_mongo_id", "person_mongo_id", "diaspora_handle", "text", "youtube_titles"]
generic_json_to_csv(model_hash) do |hash|
[hash["_id"], hash["post_id"], hash["person_id"], hash["diaspora_handle"], hash["text"], hash["youtube_titles"]]
mongo_attrs = ["_id", "post_id", "person_id", "diaspora_handle", "text", "youtube_titles"]
mongo_attrs.map{|attr_name| hash[attr_name]}
end
end
def contacts_json_to_csv model_hash
@ -88,7 +103,8 @@ class MongoToMysql
model_hash[:join_table_attrs] = ["contact_mongo_id", "aspect_mongo_id"]
generic_json_to_two_csvs(model_hash) do |hash|
main_row = [hash["_id"], hash["user_id"], hash["person_id"], hash["pending"], hash["created_at"], hash["updated_at"]]
main_mongo_attrs = ["_id", "user_id", "person_id", "pending", "created_at", "updated_at"]
main_row = main_mongo_attrs.map{|attr_name| hash[attr_name]}
aspect_membership_rows = hash["aspect_ids"].map{|id| [hash["_id"], id]}
[main_row, aspect_membership_rows]
end
@ -97,13 +113,15 @@ class MongoToMysql
def invitations_json_to_csv model_hash
model_hash[:attrs] = ["mongo_id", "recipient_mongo_id", "sender_mongo_id", "aspect_mongo_id", "message"]
generic_json_to_csv(model_hash) do |hash|
[hash["_id"], hash["to_id"], hash["from_id"], hash["into_id"], hash["message"]]
mongo_attrs = ["_id", "to_id", "from_id", "into_id", "message"]
mongo_attrs.map{|attr_name| hash[attr_name]}
end
end
def notifications_json_to_csv model_hash
model_hash[:attrs] = ["mongo_id", "target_id", "target_type", "unread"]
generic_json_to_csv(model_hash) do |hash|
[hash["_id"], hash["target_id"], hash["kind"], hash["unread"]]
mongo_attrs = ["_id", "target_id", "kind", "unread"]
mongo_attrs.map{|attr_name| hash[attr_name]}
end
end
def people_json_to_csv model_hash
@ -149,13 +167,15 @@ class MongoToMysql
def requests_json_to_csv model_hash
model_hash[:attrs] = ["mongo_id", "recipient_mongo_id", "sender_mongo_id", "aspect_mongo_id"]
generic_json_to_csv(model_hash) do |hash|
[hash["_id"], hash["to_id"], hash["from_id"], hash["into_id"]]
mongo_attrs = ["_id", "to_id", "from_id", "into_id"]
mongo_attrs.map{|attr_name| hash[attr_name]}
end
end
def users_json_to_csv model_hash
model_hash[:attrs] = ["mongo_id", "username", "serialized_private_key", "encrypted_password", "invites", "invitation_token", "invitation_sent_at", "getting_started", "disable_mail", "language", "last_sign_in_ip", "last_sign_in_at", "reset_password_token", "password_salt"]
generic_json_to_csv(model_hash) do |hash|
[hash["_id"], hash["username"], hash["serialized_private_key"], hash["encrypted_password"], hash["invites"], hash["invitation_token"], hash["invitation_sent_at"], hash["getting_started"], hash["disable_mail"], hash["language"], hash["last_sign_in_ip"], hash["last_sign_in_at"], hash["reset_password_token"], hash["password_salt"]]
mongo_attrs = ["_id", "username", "serialized_private_key", "encrypted_password", "invites", "invitation_token", "invitation_sent_at", "getting_started", "disable_mail", "language", "last_sign_in_ip", "last_sign_in_at", "reset_password_token", "password_salt"]
mongo_attrs.map{|attr_name| hash[attr_name]}
end
end
def aspects_json_to_csv model_hash
@ -166,7 +186,8 @@ class MongoToMysql
model_hash[:join_table_attrs] = ["aspect_mongo_id", "post_mongo_id"]
generic_json_to_two_csvs(model_hash) do |hash|
main_row = [hash["_id"], hash["name"], hash["created_at"], hash["updated_at"]]
mongo_attrs = ["_id", "name", "created_at", "updated_at"]
main_row = mongo_attrs.map{|attr_name| hash[attr_name]}
post_visibility_rows = hash["post_ids"].map{|id| [hash["_id"],id]}
[main_row, post_visibility_rows]
end

2
lib/tasks/migrations.rake
View file

@ -10,7 +10,7 @@ namespace :migrations do
task :export_for_mysql do
require 'lib/mongo_to_mysql'
migrator = MongoToMysql.new
migrator.make_dir
migrator.clear_dir
migrator.write_json_export
migrator.convert_json_files
end