From 065859b90cc5ef403b8f47bd5394b343e556cc4d Mon Sep 17 00:00:00 2001
From: Azul <azul@riseup.net>
Date: Wed, 23 Mar 2016 21:48:52 +0100
Subject: upgrade: remove references to RestClient

CouchRest > 1.2 does not use RestClient anymore. So we should not try to
catch its errors.
---
 .../lib/couchrest/model/database_method.rb         | 131 +++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 vendor/gems/couchrest_session_store/lib/couchrest/model/database_method.rb

(limited to 'vendor/gems/couchrest_session_store/lib/couchrest/model/database_method.rb')

diff --git a/vendor/gems/couchrest_session_store/lib/couchrest/model/database_method.rb b/vendor/gems/couchrest_session_store/lib/couchrest/model/database_method.rb
new file mode 100644
index 0000000..6ecc8f3
--- /dev/null
+++ b/vendor/gems/couchrest_session_store/lib/couchrest/model/database_method.rb
@@ -0,0 +1,131 @@
+#
+# Allow setting the database to happen dynamically.
+#
+# Unlike normal CouchRest::Model, the database is not automatically created
+# unless you call database!()
+#
+# The method specified by `database_method` must exist as a class method but
+# may optionally also exist as an instance method.
+#
+
+module CouchRest
+  module Model
+    module DatabaseMethod
+      extend ActiveSupport::Concern
+
+      def database
+        if self.class.database_method
+          self.class.server.database(call_database_method)
+        else
+          self.class.database
+        end
+      end
+
+      def database!
+        if self.class.database_method
+          self.class.server.database!(call_database_method)
+        else
+          self.class.database!
+        end
+      end
+
+      def database_exists?(db_name)
+        self.class.database_exists?(db_name)
+      end
+
+      #
+      # The normal CouchRest::Model::Base comparison checks if the model's
+      # database objects are the same. That is not good for use here, since
+      # the objects will always be different. Instead, we compare the string
+      # that each database evaluates to.
+      #
+      def ==(other)
+        return false unless other.is_a?(Base)
+        if id.nil? && other.id.nil?
+          to_hash == other.to_hash
+        else
+          id == other.id && database.to_s == other.database.to_s
+        end
+      end
+      alias :eql? :==
+
+      protected
+
+      def call_database_method
+        if self.respond_to?(self.class.database_method)
+          name = self.send(self.class.database_method)
+          self.class.db_name_with_prefix(name)
+        else
+          self.class.send(:call_database_method)
+        end
+      end
+
+      module ClassMethods
+
+        def database_method(method = nil)
+          if method
+            @database_method = method
+          end
+          @database_method
+        end
+        alias :use_database_method :database_method
+
+        def database
+          if database_method
+            if !self.respond_to?(database_method)
+              raise ArgumentError.new("Incorrect argument to database_method(): no such method '#{method}' found in class #{self}.")
+            end
+            self.server.database(call_database_method)
+          else
+            @database ||= prepare_database(super)
+          end
+        end
+
+        def database!
+          if database_method
+            self.server.database!(call_database_method)
+          else
+            @database ||= prepare_database(super)
+          end
+        end
+
+        #
+        # same as database(), but allows for an argument that gets passed through to
+        # database method.
+        #
+        def choose_database(*args)
+          self.server.database(call_database_method(*args))
+        end
+
+        def db_name_with_prefix(name)
+          conf = self.send(:connection_configuration)
+          [conf[:prefix], name, conf[:suffix]].reject{|i|i.to_s.empty?}.join(conf[:join])
+        end
+
+        def database_exists?(name)
+          name = db_name_with_prefix(name)
+          begin
+            CouchRest.head "#{self.server.uri}/#{name}"
+            return true
+          rescue CouchRest::NotFound
+            return false
+          end
+        end
+
+        protected
+
+        def call_database_method(*args)
+          name = nil
+          method = self.method(database_method)
+          if method.arity == 0
+            name = method.call
+          else
+            name = method.call(*args)
+          end
+          db_name_with_prefix(name)
+        end
+
+      end
+    end
+  end
+end
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