better quiz access

This commit is contained in:
Mark Moser 2016-07-29 09:46:47 -05:00
parent cefd8bf131
commit 80403ad02d
3 changed files with 94 additions and 0 deletions

View File

@ -18,6 +18,14 @@ class Candidate < ApplicationRecord
answers.where.not(answer: nil)
end
def fetch_question qid
CandidateQuiz.new(id).fetch_question(qid).first
end
def my_quiz
CandidateQuiz.new(id).build_my_quiz
end
private
def generate_test_hash

View File

@ -0,0 +1,30 @@
class CandidateQuiz
attr_reader :candidate_id
def initialize candidate_id
@candidate_id = candidate_id
end
def fetch_question qid
raw_quiz(qid).each_with_object([]) { |row, quiz| quiz << CandidateQuizQuestion.new(row) }
end
def build_my_quiz
raw_quiz.each_with_object([]) { |row, quiz| quiz << CandidateQuizQuestion.new(row) }
end
private
def raw_quiz qid = nil
question = qid.nil? ? "" : " and q.id = #{qid} "
sql = "select c.id candidate_id, q.quiz_id, q.id question_id, a.id answer_id, q.sort
, q.question, q.category, q.input_type, q.input_options, a.answer
, ifnull(a.saved, false) saved, ifnull(a.submitted, false) submitted , a.updated_at
from candidates c
inner join questions q on q.quiz_id = c.quiz_id
left join answers a on a.candidate_id = c.id AND a.question_id = q.id
where q.active = true and c.id = #{candidate_id} #{question}
order by c.id, q.sort;"
ActiveRecord::Base.connection.exec_query(sql)
end
end

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@ -0,0 +1,56 @@
class CandidateQuizQuestion
attr_reader :row
def initialize row
@row = row
end
def candidate_id
row["candidate_id"]
end
def quiz_id
row["quiz_id"]
end
alias to_i quiz_id
def question_id
row["question_id"]
end
def answer_id
row["answer_id"]
end
def question
row["question"]
end
def category
row["category"]
end
def input_type
row["input_type"]
end
def input_options
YAML.load(row["input_options"].to_s)
end
def answer
YAML.load(row["answer"].to_s) unless row['answer'].nil?
end
def saved
row["saved"]
end
def submitted
row["submitted"]
end
def updated_at
row["updated_at"]
end
end