class Udacity::UdacityCourse
Service for all Udacity
API calls
Attributes
json_response[R]
total_course_num[R]
Public Class Methods
find()
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# get courses by tracks (return a list of course id) def acquire_courses_by_tracks(track_name)
@json_response['tracks'].each do |track| next unless track['name'] == track_name return track['courses'].inspect end
end
# File lib/share_learning/udacity_course.rb, line 97 def self.find course_data = UdacityAPI.acquire_json_response total_course_num = UdacityAPI.total_course_num new(UdacityAPI, course_data, total_course_num) end
new(udacity_api, data, total_course_num)
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# File lib/share_learning/udacity_course.rb, line 10 def initialize(udacity_api, data, total_course_num) @udacity_api = udacity_api @json_response = data @total_course_num = total_course_num end
Public Instance Methods
acquire_all_courses()
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get all courses information
# File lib/share_learning/udacity_course.rb, line 21 def acquire_all_courses course_array = [] @json_response['courses'].each do |course| h = create_hash(course['title'], course['key'], \ course['summary'], course['homepage'], \ course['image']) course_array.push(h) end course_array end
acquire_course_by_id(id)
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get course information by course id
# File lib/share_learning/udacity_course.rb, line 33 def acquire_course_by_id(id) acquire_course_info('key', id) end
acquire_course_by_title(title)
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get course information by course title
# File lib/share_learning/udacity_course.rb, line 38 def acquire_course_by_title(title) acquire_course_info('title', title) end
acquire_course_info(key, value)
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get course information
# File lib/share_learning/udacity_course.rb, line 43 def acquire_course_info(key, value) @json_response['courses'].each do |course| next unless course[key] == value h = create_hash(course['title'], course['key'], \ course['summary'], course['homepage'], \ course['image']) return h end end
acquire_courses_by_keywords(keyword)
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# File lib/share_learning/udacity_course.rb, line 65 def acquire_courses_by_keywords(keyword) course_array = [] @json_response['courses'].each do |course| next unless substring?(course['title'].downcase, \ course['summary'].downcase, keyword.downcase) course_array = append_course(course_array, course) end course_array end
append_course(course_array, course)
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# File lib/share_learning/udacity_course.rb, line 57 def append_course(course_array, course) h = create_hash(course['title'], course['key'], \ course['summary'], course['homepage'], \ course['image']) course_array.push(h) course_array end
create_hash(title, id, intro, link, image)
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# File lib/share_learning/udacity_course.rb, line 16 def create_hash(title, id, intro, link, image) { title: title, id: id, intro: intro, link: link, image: image } end
substring?(title, summary, keyword)
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# File lib/share_learning/udacity_course.rb, line 53 def substring?(title, summary, keyword) ((title.include? keyword) || (summary.include? keyword)) end