forked from Yukaii/CrawlerMaster
-
Notifications
You must be signed in to change notification settings - Fork 0
/
npust_course_crawler.rb
179 lines (155 loc) · 6.16 KB
/
npust_course_crawler.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
module CourseCrawler::Crawlers
class NpustCourseCrawler < CourseCrawler::Base
PERIODS = {
"0" => 1,
"1" => 2,
"2" => 3,
"3" => 4,
"4" => 5,
"C" => 6,
"5" => 7,
"6" => 8,
"7" => 9,
"8" => 10,
"9" => 11,
"10" => 12,
"11" => 13,
"12" => 14,
}
def initialize year: nil, term: nil, update_progress: nil, after_each: nil
@year = year || current_year
@term = term || current_term
@update_progress_proc = update_progress
@after_each_proc = after_each
@query_url = 'http://course.npust.edu.tw/Cnc/'
end
def courses
@courses = []
cookies = RestClient.get("#{@query_url}Reports/QueryCourseforStud.aspx", :param => p) do |response, request, result, &block|
if [301, 302, 307].include? response.code
redirected_url = response.cookies
else
response.return!(request, result, &block)
end
end
r = RestClient.get("#{@query_url}Reports/QueryCourseforStud.aspx", cookies: cookies)
doc = Nokogiri::HTML(r)
check = []
doc.css('select[name="ctl00$MainContent$DropDownListDept"] option:nth-child(n+2)').map{|opt| [opt[:value], opt.text]}.each do |dept_c, dept_n|
next if check.include?(dept_c)
check << dept_c
courses_temp = []
r = RestClient.get("#{@query_url}Reports/QueryCourseforStud.aspx", cookies: cookies)
doc = Nokogiri::HTML(r)
doc = Nokogiri::HTML(post(doc, dept_c, cookies))
courses_temp += doc.css('table tr[onmouseover="c=this.style.backgroundColor;this.style.backgroundColor=\'#00A9FF\'"]').map{|tr| tr.css('td').map{|td| td.text}}
next if doc.css('table tr td[colspan="21"] td') == nil
(2..doc.css('table tr td[colspan="21"] td').count).each do |page|
doc = Nokogiri::HTML(post(doc, dept_c, cookies, eventtarget: "ctl00$MainContent$GridView1", eventargument: "Page$#{page}", x: nil, y: nil))
courses_temp += doc.css('table tr[onmouseover="c=this.style.backgroundColor;this.style.backgroundColor=\'#00A9FF\'"]').map{|tr| tr.css('td').map{|td| td.text}}
end
course_temp(courses_temp)
end
@courses
end
def post(doc, dept_c, cookies, eventtarget: nil, eventargument: nil, x: "10", y: "10")
hidden = Hash[doc.css('input[type="hidden"]').map{|hidden| [hidden[:name], hidden[:value]]}]
r = RestClient.post(@query_url + "Reports/QueryCourseforStud.aspx", hidden.merge({
"__EVENTTARGET" => eventtarget,
"__EVENTARGUMENT" => eventargument,
"__LASTFOCUS" => "",
"ctl00$MainContent$DropDownListAca" => @year - 1911,
"ctl00$MainContent$DropDownListTerm" => @term,
"ctl00$MainContent$DropDownListDayOrNight" => "%",
"ctl00$MainContent$TextBox_fseq" => "",
"ctl00$MainContent$ImgSure.x" => x,
"ctl00$MainContent$ImgSure.y" => y,
"ctl00$MainContent$DropDownListCourLab" => "0",
"ctl00$MainContent$DropDownListOutside" => "0",
"ctl00$MainContent$TextBoxCourse" => "",
"ctl00$MainContent$DropDownListGroupID" => "",
"ctl00$MainContent$ChkDept" => "on",
"ctl00$MainContent$DropDownListDept" => dept_c,
"ctl00$MainContent$DropDownList_icdf" => "0",
"ctl00$MainContent$TextBoxTeacheName" => "",
"ctl00$MainContent$DropDownList_mix" => "0",
"ctl00$MainContent$DropDownList_NetWork" => "1",
"ctl00$MainContent$DropDownList_English" => "1",
"ctl00$MainContent$DropDownList_Week" => "",
"ctl00$MainContent$DropDownList_ClassTime" => "",
"ctl00$MainContent$RoomTextBox" => "",
"ctl00$MainContent$DropDownListRoom" => "AG 102",
}), cookies: cookies )
end
def course_temp(courses_temp)
data_temp = []
course_days, course_periods, course_locations, course_check = [], [], [], []
(0..courses_temp.count - 1).each do |i|
data = courses_temp[i]
if not course_check.include?("#{data[13]}#{data[14]}")
course_days << data[13].to_i
course_periods << PERIODS[data[14]]
course_locations << data[15]
course_check << "#{data[13]}#{data[14]}"
end
if courses_temp[i+1] != nil
a = courses_temp[i][1] == courses_temp[i+1][1]
else
a = false
end
if a
if data_temp == []
data_temp = data
end
else
if data_temp != []
data = data_temp
data_temp = []
end
course = {
year: @year, # 西元年
term: @term, # 學期 (第一學期=1，第二學期=2)
name: data[5], # 課程名稱
lecturer: data[3], # 授課教師
credits: data[11].to_i, # 學分數
serial_no: data[4],
code: "#{@year}-#{@term}-#{data[1]}",
general_code: data[1], # 選課代碼
department: "#{data[0]}#{data[8]}", # 開課系所
# department_code: dept_c,
day_1: course_days[0],
day_2: course_days[1],
day_3: course_days[2],
day_4: course_days[3],
day_5: course_days[4],
day_6: course_days[5],
day_7: course_days[6],
day_8: course_days[7],
day_9: course_days[8],
period_1: course_periods[0],
period_2: course_periods[1],
period_3: course_periods[2],
period_4: course_periods[3],
period_5: course_periods[4],
period_6: course_periods[5],
period_7: course_periods[6],
period_8: course_periods[7],
period_9: course_periods[8],
location_1: course_locations[0],
location_2: course_locations[1],
location_3: course_locations[2],
location_4: course_locations[3],
location_5: course_locations[4],
location_6: course_locations[5],
location_7: course_locations[6],
location_8: course_locations[7],
location_9: course_locations[8],
}
@after_each_proc.call(course: course) if @after_each_proc
@courses << course
course_days, course_periods, course_locations, course_check = [], [], [], []
end
end
end
end
end