Fix generator courses page bug

_plugins/courses_pages_generator.rb

@@ -98,12 +98,12 @@ module Jekyll
 		def preprocessing_editions(site)
 			site.data["courses"].each do |n, v|
 				# checks begins and ends values
-				if !v["begin"] or !v["ends"]
-				  # retrieves dates from schedule
-				  dates = v["schedule"].map { |s| s["date"] }.select { |d| d != nil }.map { |d| DateTime.parse(d) }.reverse
-
+				if !v["begins"] or !v["ends"]
 					# if schedule dates are set they are used for update begins and ends
-					if dates.size != 0
+					if v["schedule"].kind_of?(Array)
+						# retrieves dates from schedule
+						dates = v["schedule"].map { |s| s["date"] }.select { |d| d != nil }.map { |d| DateTime.parse(d) }.reverse
+
 						v["begins"] ||= dates.first
 						v["ends"] ||= dates.last
 
@@ -111,23 +111,25 @@ module Jekyll
 					elsif v["begins"] != nil
 						v["ends"] = v["begins"]
 					else
-						@logger.warn("In session #{n} is not define any time reference")
+						@logger.error("In session #{n} is not define any time reference")
 					end
 				end
 
 				# check if edition has already been
-				v["is_past"] = v["ends"] < DateTime.now
+				v["is_past"] = v["ends"].nil? ? false : v["ends"] < DateTime.now
 
-				# fix levels composition of room value
-				v["schedule"].each do |s|
-					if s["room"] != nil && !s["room"].is_a?(Hash)
-						s["room"] = { "room" => s["room"] }
-					end
+				if !v["schedule"].nil?
+					# fix levels composition of room value
+					v["schedule"].each do |s|
+						if s["room"] != nil && !s["room"].is_a?(Hash)
+							s["room"] = { "room" => s["room"] }
+						end
 
-					# topics
-					s["topics"].each_index do |t|
-						unless s["topics"][t].is_a?(Hash)
-							s["topics"][t] = { "title" => s["topics"][t] }
+						# topics
+						s["topics"].each_index do |t|
+							unless s["topics"][t].is_a?(Hash)
+								s["topics"][t] = { "title" => s["topics"][t] }
+							end
 						end
 					end
 				end