From fd344726477a9d2a45de82023c1846b1c75df721 Mon Sep 17 00:00:00 2001
From: Benjamin Neff <benjamin@coding4coffee.ch>
Date: Tue, 3 Jan 2017 02:01:21 +0100
Subject: [PATCH] Add validators for events

---
 lib/diaspora_federation/validators.rb         |  2 +
 .../event_participation_validator.rb          | 12 ++++
 .../validators/event_validator.rb             | 21 +++++++
 .../event_participation_validator_spec.rb     | 17 +++++
 .../validators/event_validator_spec.rb        | 62 +++++++++++++++++++
 5 files changed, 114 insertions(+)
 create mode 100644 lib/diaspora_federation/validators/event_participation_validator.rb
 create mode 100644 lib/diaspora_federation/validators/event_validator.rb
 create mode 100644 spec/lib/diaspora_federation/validators/event_participation_validator_spec.rb
 create mode 100644 spec/lib/diaspora_federation/validators/event_validator_spec.rb

diff --git a/lib/diaspora_federation/validators.rb b/lib/diaspora_federation/validators.rb
index e9c54f5..6fea7e4 100644
--- a/lib/diaspora_federation/validators.rb
+++ b/lib/diaspora_federation/validators.rb
@@ -44,6 +44,8 @@ require "diaspora_federation/validators/account_deletion_validator"
 require "diaspora_federation/validators/comment_validator"
 require "diaspora_federation/validators/contact_validator"
 require "diaspora_federation/validators/conversation_validator"
+require "diaspora_federation/validators/event_participation_validator"
+require "diaspora_federation/validators/event_validator"
 require "diaspora_federation/validators/h_card_validator"
 require "diaspora_federation/validators/like_validator"
 require "diaspora_federation/validators/location_validator"
diff --git a/lib/diaspora_federation/validators/event_participation_validator.rb b/lib/diaspora_federation/validators/event_participation_validator.rb
new file mode 100644
index 0000000..f7588a4
--- /dev/null
+++ b/lib/diaspora_federation/validators/event_participation_validator.rb
@@ -0,0 +1,12 @@
+module DiasporaFederation
+  module Validators
+    # This validates a {Entities::EventParticipation}.
+    class EventParticipationValidator < Validation::Validator
+      include Validation
+
+      include RelayableValidator
+
+      rule :status, regular_expression: {regex: /\A(accepted|declined|tentative)\z/}
+    end
+  end
+end
diff --git a/lib/diaspora_federation/validators/event_validator.rb b/lib/diaspora_federation/validators/event_validator.rb
new file mode 100644
index 0000000..f6a20c8
--- /dev/null
+++ b/lib/diaspora_federation/validators/event_validator.rb
@@ -0,0 +1,21 @@
+module DiasporaFederation
+  module Validators
+    # This validates a {Entities::Event}.
+    class EventValidator < Validation::Validator
+      include Validation
+
+      rule :author, %i(not_empty diaspora_id)
+
+      rule :guid, :guid
+
+      rule :summary, [:not_empty, length: {maximum: 255}]
+      rule :description, length: {maximum: 65_535}
+
+      rule :start, :not_nil
+
+      rule :all_day, :boolean
+
+      rule :timezone, regular_expression: {regex: %r{\A[A-Za-z_-]{,14}(/[A-Za-z_-]{,14}){1,2}\z}}
+    end
+  end
+end
diff --git a/spec/lib/diaspora_federation/validators/event_participation_validator_spec.rb b/spec/lib/diaspora_federation/validators/event_participation_validator_spec.rb
new file mode 100644
index 0000000..3296d86
--- /dev/null
+++ b/spec/lib/diaspora_federation/validators/event_participation_validator_spec.rb
@@ -0,0 +1,17 @@
+module DiasporaFederation
+  describe Validators::EventParticipationValidator do
+    let(:entity) { :event_participation_entity }
+
+    it_behaves_like "a common validator"
+
+    it_behaves_like "a relayable validator"
+
+    describe "#status" do
+      it_behaves_like "a property with a value validation/restriction" do
+        let(:property) { :status }
+        let(:wrong_values) { ["", "yes", "foobar"] }
+        let(:correct_values) { %w(accepted declined tentative) }
+      end
+    end
+  end
+end
diff --git a/spec/lib/diaspora_federation/validators/event_validator_spec.rb b/spec/lib/diaspora_federation/validators/event_validator_spec.rb
new file mode 100644
index 0000000..1bd3864
--- /dev/null
+++ b/spec/lib/diaspora_federation/validators/event_validator_spec.rb
@@ -0,0 +1,62 @@
+module DiasporaFederation
+  describe Validators::EventValidator do
+    let(:entity) { :event_entity }
+
+    it_behaves_like "a common validator"
+
+    it_behaves_like "a diaspora* ID validator" do
+      let(:property) { :author }
+      let(:mandatory) { true }
+    end
+
+    it_behaves_like "a guid validator" do
+      let(:property) { :guid }
+    end
+
+    describe "#summary" do
+      it_behaves_like "a property with a value validation/restriction" do
+        let(:property) { :summary }
+        let(:wrong_values) { ["a" * 256, nil, ""] }
+        let(:correct_values) { ["a" * 255] }
+      end
+    end
+
+    describe "#description" do
+      it_behaves_like "a property with a value validation/restriction" do
+        let(:property) { :description }
+        let(:wrong_values) { ["a" * 65_536] }
+        let(:correct_values) { ["a" * 65_535, nil, ""] }
+      end
+    end
+
+    describe "#start" do
+      it_behaves_like "a property with a value validation/restriction" do
+        let(:property) { :start }
+        let(:wrong_values) { [nil] }
+        let(:correct_values) { [Time.now.utc] }
+      end
+    end
+
+    describe "#end" do
+      it_behaves_like "a property with a value validation/restriction" do
+        let(:property) { :end }
+        let(:wrong_values) { [] }
+        let(:correct_values) { [nil, Time.now.utc] }
+      end
+    end
+
+    describe "#all_day" do
+      it_behaves_like "a boolean validator" do
+        let(:property) { :all_day }
+      end
+    end
+
+    describe "#timezone" do
+      it_behaves_like "a property with a value validation/restriction" do
+        let(:property) { :timezone }
+        let(:wrong_values) { ["foobar"] }
+        let(:correct_values) { [nil, "Europe/Berlin", "America/Argentina/ComodRivadavia"] }
+      end
+    end
+  end
+end