app.get(ꞌ/gradesꞌ) - Code Metrics - Inspection of "优化挂科归类；新增details参数" - Equim-chan/csu-ems-api - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 92786e...4bea56 )

by Equim

created 2017-01-17 06:34 UTC

app.get(ꞌ/gradesꞌ) B

↳ Parent: app.get(ꞌ/gradesꞌ)

Complexity

Conditions	1
Paths	8

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
nc	8
nop	2
dl	0
loc	82
rs	8.7769
c	0
b	0
f	0

How to fix Long Method

/* TODO
 * 完善异常处理
 * 建立用户名-Cookie数据库
 */

'use strict';

var express    = require('express'),
    superagent = require('superagent'),
    cheerio    = require('cheerio'),
    escaper    = require('true-html-escape'),
    colors     = require('colors'),
    program    = require('commander'),
    Date       = require('./lib/Date.js'),

    access     = require('./lib/access.js');

program
    .option('-h, --help')
    .option('-v, --version')
    .option('-p, --port [n]', parseInt)

    .option('-f, --fullLog')
    .parse(process.argv);

// 别问我为什么这里逻辑这么奇怪……测试的结果确实是这样的啊hhh
if (!program.help || !program.version) {
    console.log(('CSUEMS API v2.0.3').rainbow);

    console.log(('by The Liberators').rainbow);
    if (!program.help) {
        console.log('Preparation:');
        console.log('  \\\\This section is WIP\\\\');
        console.log('\nUsage:');
        console.log('  npm start [-- <options...>]');
        console.log('\nOptions:');
        console.log('  -h, --help          print this message and exit.');
        console.log('  -v, --version       print the version and exit.');
        console.log('  -f, --fullLog       enable full log, by default only errors are logged.');
        console.log('  -p, --port [value]  specify a port to listen, 2333 by default.');
        console.log('\nExamples:');
        console.log('  $ npm start -p 43715                  # listening to 43715');
        console.log('  $ forever start app.js                # deploy with forever as daemon (root access recommended)');
        console.log('  $ pm2 start -i 0 -n "csuapi" app.js   # deploy with pm2 as daemon  (root access recommended)');
    }
    process.exit(0);

}

const timeStamp = () => new Date().format('[MM-dd hh:mm:ss] '),
      // 以系统时间获取当前学期
      getSem = () => {
          let now = new Date();
          let month = now.getMonth();
          let year = now.getFullYear();
          if (month === 0) {
              return (year - 1) + '-' + year + '-1';
          } else if (month <= 6) {
              return (year - 1) + '-' + year + '-2';
          } else {
              return year + '-' + (year + 1) + '-1';
          }
      },
      port = program.port || 2333,
      fullLog = program.fullLog;

var app = express();

// 查成绩API，通过GET传入用户名和密码
app.get('/grades', function (req, res, next) {
    if (!req.query.id || !req.query.pwd || (req.query.sem && !(/^20\d{2}-20\d{2}-[1-2]$/).test(req.query.sem))) {
        res.send({ error: "参数不正确" });
        return;
    }
    if (fullLog) {
        var start = new Date();
        console.log((timeStamp() + 'Started to query the grades: ').cyan + req.query.id.yellow);

    }
    access.login(req.query.id, req.query.pwd, res, function (headers, ires) {
        fullLog && console.log((timeStamp() + 'Successfully logged in.').green);


        var ret = {};
        var $ = cheerio.load(ires.text);

        ret.name = escaper.unescape($('.block1text').html()).match(/姓名：.+</)[0].substring(3).replace(/</, '');
        ret.id = req.query.id;

        // 实际上xnxq01id为空的时候和GET这个URL的效果是一样的，都是查询所有学期
        superagent
            .post('http://csujwc.its.csu.edu.cn/jsxsd/kscj/yscjcx_list')
            .set(headers)
            .type('form')
            .send({
                xnxq01id: req.query.sem
            })
            .end(function (err, iires) {
                if (err) {
                    console.log((timeStamp() + 'Failed to get grades page\n' + err.stack).red);

                    res.send({ error: '无法进入成绩页面' });
                    return next(err);
                }
                fullLog && console.log((timeStamp() + 'Successfully entered grades page.').green);

                $ = cheerio.load(iires.text);
                
                ret.grades = {};
                ret.failed = {};

                // 获取成绩列表
                $('#dataList tr').each(function (index) {
                    if (index === 0) {
                        return;
                    }
                    let element = $(this).find('td');
                    let title = escaper.unescape(element.eq(3).text().match(/].+$/)[0].substring(1));

                    let item = {};
                    item.sem = escaper.unescape(element.eq(2).text());
                    item.regular = escaper.unescape(element.eq(4).text());
                    item.exam = escaper.unescape(element.eq(5).text());
                    item.overall = escaper.unescape(element.eq(6).text());
                    if (req.query.details) {
                        item.id = escaper.unescape(element.eq(3).text().match(/\[.+\]/)[0].replace(/\[|\]/g, ''));
                        item.attr = escaper.unescape(element.eq(8).text());
                        item.genre = escaper.unescape(element.eq(9).text());
                        item.credit = escaper.unescape(element.eq(7).text());
                    }

                    // 如果有补考记录，则以最高分的为准
                    if (title in ret.grades) {
                        if (item.overall < ret.grades[title].overall) {
                            return;
                        }
                        if (!element.eq(6).css('color')) {
                            delete ret.failed[title];
                        }
                    } else {
                        if (element.eq(6).css('color')) {
                            ret.failed[title] = item;
                        }
                    }

                    ret.grades[title] = item;
                });

                ret['subject-count'] = Object.keys(ret.grades).length;
                ret['failed-count'] = Object.keys(ret.failed).length;

                access.logout(headers, res, function() {
                    // 返回JSON
                    res.send(JSON.stringify(ret));
                    fullLog && console.log((timeStamp() +

                        'Successfully logged out: ').green +
                        req.query.id.yellow +
                        (' (processed in ' +
                            (new Date() - start) + 'ms)'

                        ).green);
                });

            });
    });
});

// 查考试API，通过GET传入用户名和密码
app.get('/exams', function (req, res, next) {
    if (!req.query.id || !req.query.pwd || (req.query.sem && !(/^20\d{2}-20\d{2}-[1-2]$/).test(req.query.sem))) {
        res.send({ error: "参数不正确" });
        return;
    }
    if (fullLog) {
        var start = new Date();
        console.log((timeStamp() + 'Started to query the exams: ').cyan + req.query.id.yellow);

    }
    access.login(req.query.id, req.query.pwd, res, function (headers, ires) {
        fullLog && console.log((timeStamp() + 'Successfully logged in.').green);


        var ret = {};
        var $ = cheerio.load(ires.text);

        ret.name = escaper.unescape($('.block1text').html()).match(/姓名：.+</)[0].replace('<', '').substring(3);
        ret.id = req.query.id;
        ret.sem = req.query.sem || getSem();

        superagent
            .post('http://csujwc.its.csu.edu.cn/jsxsd/xsks/xsksap_list')
            .set(headers)
            .type('form')
            .send({
                xqlbmc: '',
                xnxqid: ret.sem,
                xqlb: ''
            })
            .end(function (err, iires) {
                if (err) {
                    console.log((timeStamp() + 'Failed to reach exams page\n' + err.stack).red);

                    res.send({ error: '获取成绩失败' });
                    return next(err);
                }
                fullLog && console.log((timeStamp() + 'Successfully entered exams page.').green);

                $ = cheerio.load(iires.text);

                ret.exams = {};
                ret['exams-count'] = 0;

                $('#dataList tr').each(function (index) {
                    if (index === 0) {
                        return;
                    }
                    let element = $(this).find('td');
                    let title = escaper.unescape(element.eq(3).text());

                    let item = {};
                    item.time = escaper.unescape(element.eq(4).text());
                    item.location = escaper.unescape(element.eq(5).text());
                    item.seat = escaper.unescape(element.eq(6).text());

                    ret.exams[title] = item;
                    ret['exams-count']++;
                });

                access.logout(headers, res, function() {
                    res.send(JSON.stringify(ret));
                    fullLog && console.log((timeStamp() + 'Successfully logged out: ').green + req.query.id.yellow + (' (processed in ' + (new Date() - start) + 'ms)').green);

                });

            });
    });
});

app.listen(port);
console.log((timeStamp() +
    'The server is now running on port ' +
    port + '. Full logging is ' +
    (fullLog ? 'enabled.' : 'disabled.')
    ).green);


1			/* TODO
2			* 完善异常处理
3			* 建立用户名-Cookie数据库
4			*/
5
6			'use strict';
7
8			var express = require('express'),
9			superagent = require('superagent'),
10			cheerio = require('cheerio'),
11			escaper = require('true-html-escape'),
12			colors = require('colors'),
13			program = require('commander'),
14			Date = require('./lib/Date.js'),
			0 ignored issues – show Comprehensibility introduced 2017-01-10 09:20 UTC by Report Bug Copy Issue Report You are shadowing the built-in type `Date`. This makes code hard to read, consider using a different name. Loading history...
15			access = require('./lib/access.js');
16
17			program
18			.option('-h, --help')
19			.option('-v, --version')
20			.option('-p, --port [n]', parseInt)
			0 ignored issues – show Bug introduced 2017-01-10 09:20 UTC by Report Bug Copy Issue Report The variable `parseInt` seems to be never declared. If this is a global, consider adding a `/** global: parseInt */` comment. This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed. To learn more about declaring variables in Javascript, see the MDN. Loading history...
21			.option('-f, --fullLog')
22			.parse(process.argv);
23
24			// 别问我为什么这里逻辑这么奇怪……测试的结果确实是这样的啊hhh
25			if (!program.help \|\| !program.version) {
26			console.log(('CSUEMS API v2.0.3').rainbow);
			1 ignored issue – show Debugging Code introduced 2017-01-10 09:20 UTC by Report Bug Copy Issue Report `console.log` looks like debug code. Are you sure you do not want to remove it? Loading history...
27			console.log(('by The Liberators').rainbow);
28			if (!program.help) {
29			console.log('Preparation:');
30			console.log(' \\\\This section is WIP\\\\');
31			console.log('\nUsage:');
32			console.log(' npm start [-- <options...>]');
33			console.log('\nOptions:');
34			console.log(' -h, --help print this message and exit.');
35			console.log(' -v, --version print the version and exit.');
36			console.log(' -f, --fullLog enable full log, by default only errors are logged.');
37			console.log(' -p, --port [value] specify a port to listen, 2333 by default.');
38			console.log('\nExamples:');
39			console.log(' $ npm start -p 43715 # listening to 43715');
40			console.log(' $ forever start app.js # deploy with forever as daemon (root access recommended)');
41			console.log(' $ pm2 start -i 0 -n "csuapi" app.js # deploy with pm2 as daemon (root access recommended)');
42			}
43			process.exit(0);
			1 ignored issue – show Compatibility Debugging Code Best Practice introduced 2017-01-10 09:20 UTC by Report Bug Copy Issue Report Use of `process.exit()` is discouraged as it will potentially stop the complete node.js application. Consider quitting gracefully instead by throwing an Error. Loading history...
44			}
45
46			const timeStamp = () => new Date().format('[MM-dd hh:mm:ss] '),
47			// 以系统时间获取当前学期
48			getSem = () => {
49			let now = new Date();
50			let month = now.getMonth();
51			let year = now.getFullYear();
52			if (month === 0) {
53			return (year - 1) + '-' + year + '-1';
54			} else if (month <= 6) {
55			return (year - 1) + '-' + year + '-2';
56			} else {
57			return year + '-' + (year + 1) + '-1';
58			}
59			},
60			port = program.port \|\| 2333,
61			fullLog = program.fullLog;
62
63			var app = express();
64
65			// 查成绩API，通过GET传入用户名和密码
66			app.get('/grades', function (req, res, next) {
67			if (!req.query.id \|\| !req.query.pwd \|\| (req.query.sem && !(/^20\d{2}-20\d{2}-[1-2]$/).test(req.query.sem))) {
68			res.send({ error: "参数不正确" });
69			return;
70			}
71			if (fullLog) {
72			var start = new Date();
73			console.log((timeStamp() + 'Started to query the grades: ').cyan + req.query.id.yellow);
			1 ignored issue – show Debugging Code introduced 2017-01-10 11:31 UTC by Report Bug Copy Issue Report `console.log` looks like debug code. Are you sure you do not want to remove it? Loading history...
74			}
75			access.login(req.query.id, req.query.pwd, res, function (headers, ires) {
76			fullLog && console.log((timeStamp() + 'Successfully logged in.').green);
			1 ignored issue – show Debugging Code introduced 2017-01-17 00:28 UTC by Report Bug Copy Issue Report `console.log` looks like debug code. Are you sure you do not want to remove it? Loading history...
77
78			var ret = {};
79			var $ = cheerio.load(ires.text);
80
81			ret.name = escaper.unescape($('.block1text').html()).match(/姓名：.+</)[0].substring(3).replace(/</, '');
82			ret.id = req.query.id;
83
84			// 实际上xnxq01id为空的时候和GET这个URL的效果是一样的，都是查询所有学期
85			superagent
86			.post('http://csujwc.its.csu.edu.cn/jsxsd/kscj/yscjcx_list')
87			.set(headers)
88			.type('form')
89			.send({
90			xnxq01id: req.query.sem
91			})
92			.end(function (err, iires) {
93			if (err) {
94			console.log((timeStamp() + 'Failed to get grades page\n' + err.stack).red);
			1 ignored issue – show Debugging Code introduced 2017-01-10 09:20 UTC by Report Bug Copy Issue Report `console.log` looks like debug code. Are you sure you do not want to remove it? Loading history...
95			res.send({ error: '无法进入成绩页面' });
96			return next(err);
97			}
98			fullLog && console.log((timeStamp() + 'Successfully entered grades page.').green);
99
100			$ = cheerio.load(iires.text);
101
102			ret.grades = {};
103			ret.failed = {};
104
105			// 获取成绩列表
106			$('#dataList tr').each(function (index) {
107			if (index === 0) {
108			return;
109			}
110			let element = $(this).find('td');
111			let title = escaper.unescape(element.eq(3).text().match(/].+$/)[0].substring(1));
112
113			let item = {};
114			item.sem = escaper.unescape(element.eq(2).text());
115			item.regular = escaper.unescape(element.eq(4).text());
116			item.exam = escaper.unescape(element.eq(5).text());
117			item.overall = escaper.unescape(element.eq(6).text());
118			if (req.query.details) {
119			item.id = escaper.unescape(element.eq(3).text().match(/\[.+\]/)[0].replace(/\[\|\]/g, ''));
120			item.attr = escaper.unescape(element.eq(8).text());
121			item.genre = escaper.unescape(element.eq(9).text());
122			item.credit = escaper.unescape(element.eq(7).text());
123			}
124
125			// 如果有补考记录，则以最高分的为准
126			if (title in ret.grades) {
127			if (item.overall < ret.grades[title].overall) {
128			return;
129			}
130			if (!element.eq(6).css('color')) {
131			delete ret.failed[title];
132			}
133			} else {
134			if (element.eq(6).css('color')) {
135			ret.failed[title] = item;
136			}
137			}
138
139			ret.grades[title] = item;
140			});
141
142			ret['subject-count'] = Object.keys(ret.grades).length;
143			ret['failed-count'] = Object.keys(ret.failed).length;
144
145			access.logout(headers, res, function() {
146			// 返回JSON
147			res.send(JSON.stringify(ret));
148			fullLog && console.log((timeStamp() +
			1 ignored issue – show Debugging Code introduced 2017-01-17 06:35 UTC by Report Bug Copy Issue Report `console.log` looks like debug code. Are you sure you do not want to remove it? Loading history...
149			'Successfully logged out: ').green +
150			req.query.id.yellow +
151			(' (processed in ' +
152			(new Date() - start) + 'ms)'
			0 ignored issues – show Bug introduced 2017-01-17 06:35 UTC by Report Bug Copy Issue Report The variable `start` does not seem to be initialized in case `fullLog` on line `71` is `false`. Are you sure this can never be the case? Loading history...
153			).green);
154			});
			0 ignored issues – show Best Practice introduced 2017-01-17 06:35 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
155			});
156			});
157			});
158
159			// 查考试API，通过GET传入用户名和密码
160			app.get('/exams', function (req, res, next) {
161			if (!req.query.id \|\| !req.query.pwd \|\| (req.query.sem && !(/^20\d{2}-20\d{2}-[1-2]$/).test(req.query.sem))) {
162			res.send({ error: "参数不正确" });
163			return;
164			}
165			if (fullLog) {
166			var start = new Date();
167			console.log((timeStamp() + 'Started to query the exams: ').cyan + req.query.id.yellow);
			1 ignored issue – show Debugging Code introduced 2017-01-10 09:20 UTC by Report Bug Copy Issue Report `console.log` looks like debug code. Are you sure you do not want to remove it? Loading history...
168			}
169			access.login(req.query.id, req.query.pwd, res, function (headers, ires) {
170			fullLog && console.log((timeStamp() + 'Successfully logged in.').green);
			1 ignored issue – show Debugging Code introduced 2017-01-10 11:31 UTC by Report Bug Copy Issue Report `console.log` looks like debug code. Are you sure you do not want to remove it? Loading history...
171
172			var ret = {};
173			var $ = cheerio.load(ires.text);
174
175			ret.name = escaper.unescape($('.block1text').html()).match(/姓名：.+</)[0].replace('<', '').substring(3);
176			ret.id = req.query.id;
177			ret.sem = req.query.sem \|\| getSem();
178
179			superagent
180			.post('http://csujwc.its.csu.edu.cn/jsxsd/xsks/xsksap_list')
181			.set(headers)
182			.type('form')
183			.send({
184			xqlbmc: '',
185			xnxqid: ret.sem,
186			xqlb: ''
187			})
188			.end(function (err, iires) {
189			if (err) {
190			console.log((timeStamp() + 'Failed to reach exams page\n' + err.stack).red);
			1 ignored issue – show Debugging Code introduced 2017-01-10 19:43 UTC by Report Bug Copy Issue Report `console.log` looks like debug code. Are you sure you do not want to remove it? Loading history...
191			res.send({ error: '获取成绩失败' });
192			return next(err);
193			}
194			fullLog && console.log((timeStamp() + 'Successfully entered exams page.').green);
195
196			$ = cheerio.load(iires.text);
197
198			ret.exams = {};
199			ret['exams-count'] = 0;
200
201			$('#dataList tr').each(function (index) {
202			if (index === 0) {
203			return;
204			}
205			let element = $(this).find('td');
206			let title = escaper.unescape(element.eq(3).text());
207
208			let item = {};
209			item.time = escaper.unescape(element.eq(4).text());
210			item.location = escaper.unescape(element.eq(5).text());
211			item.seat = escaper.unescape(element.eq(6).text());
212
213			ret.exams[title] = item;
214			ret['exams-count']++;
215			});
216
217			access.logout(headers, res, function() {
218			res.send(JSON.stringify(ret));
219			fullLog && console.log((timeStamp() + 'Successfully logged out: ').green + req.query.id.yellow + (' (processed in ' + (new Date() - start) + 'ms)').green);
			1 ignored issue – show Debugging Code introduced 2017-01-10 19:43 UTC by Report Bug Copy Issue Report `console.log` looks like debug code. Are you sure you do not want to remove it? Loading history... Bug introduced 2017-01-17 00:28 UTC by Report Bug Copy Issue Report The variable `start` does not seem to be initialized in case `fullLog` on line `165` is `false`. Are you sure this can never be the case? Loading history...
220			});
			0 ignored issues – show Best Practice introduced 2017-01-17 06:35 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
221			});
222			});
223			});
224
225			app.listen(port);
226			console.log((timeStamp() +
227			'The server is now running on port ' +
228			port + '. Full logging is ' +
229			(fullLog ? 'enabled.' : 'disabled.')
230			).green);
231

Equim-chan / csu-ems-api

Push — master ( 92786e...4bea56 )

app.get(ꞌ/gradesꞌ) B

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