discourse/lib/site_settings/db_provider.rb

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module SiteSettings; end
class SiteSettings::DbProvider
def initialize(model)
model.after_commit do
model.notify_changed!
end
@model = model
end
def all
return [] unless table_exists?
# note, not leaking out AR records, cause I want all editing to happen
# via this API
SqlBuilder.new("select name, data_type, value from #{@model.table_name}").map_exec(OpenStruct)
end
def find(name)
return nil unless table_exists?
# note, not leaking out AR records, cause I want all editing to happen
# via this API
SqlBuilder.new("select name, data_type, value from #{@model.table_name} where name = :name")
.map_exec(OpenStruct, name: name)
.first
end
def save(name, value, data_type)
return unless table_exists?
model = @model.find_by({
name: name
})
model ||= @model.new
model.name = name
model.value = value
model.data_type = data_type
# save! used to ensure after_commit is called
model.save!
true
end
def destroy(name)
return unless table_exists?
@model.where(name: name).destroy_all
end
def current_site
RailsMultisite::ConnectionManagement.current_db
end
protected
# table is not in the db yet, initial migration, etc
def table_exists?
@table_exists = ActiveRecord::Base.connection.table_exists? @model.table_name unless @table_exists
@table_exists
end
end