Started working on course_section fetch

schedules_api/app/models/course.rb

@@ -41,7 +41,7 @@ class Course < ApplicationRecord
   # be used to run a query with fetch()
   def self.parse_generic_query(query)
     # In the future when there is more info, this will be more complex to
-    # include class names
+    # include class names/descriptions
     filters = {}
     q = query.gsub(" ", "")
     /[a-zA-Z]+/.match(q) { |a| filters["subject"] = a.to_s }

schedules_api/app/models/course_section.rb

@@ -16,4 +16,26 @@ class CourseSection < ApplicationRecord
   def self.with_instructor(name: "")
     joins(:instructor).where("instructors.name LIKE ?", "%#{name}%").select('course_sections.*, instructors.name as instructor_name')
   end
+  
+  # Select all revelevant course sections given the provided filters
+  def self.fetch(filters)
+    query = CourseSection.select("*")
+    filter_list = CourseSection.parse_generic_query(filters["query"]) if filters.include? "query" else filters
+    
+    filter_list.each do |filter, value|
+      if CourseSection.column_names.include? filter
+        case filter
+        when "crn"
+          query = query.where("crn = ?", value.upcase)
+        when "course_id"
+          query = query.where("course_id = ?", value)
+        end
+      end
+    end
+  end
+    
+  def self.parse_generic_query(query) 
+    
+  end
+      
 end