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| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 | // models/WorkAnalysis.js - 향상된 버전
class WorkAnalysis {
constructor(db) {
this.db = db;
}
// 기본 통계 조회
async getBasicStats(startDate, endDate) {
const query = `
SELECT
COALESCE(SUM(work_hours), 0) as total_hours,
COUNT(*) as total_reports,
COUNT(DISTINCT project_id) as active_projects,
COUNT(DISTINCT worker_id) as active_workers,
SUM(CASE WHEN work_status_id = 2 THEN 1 ELSE 0 END) as error_reports,
ROUND(AVG(work_hours), 2) as avg_hours_per_report
FROM daily_work_reports
WHERE report_date BETWEEN ? AND ?
`;
try {
const [results] = await this.db.execute(query, [startDate, endDate]);
const stats = results[0];
const errorRate = stats.total_reports > 0
? (stats.error_reports / stats.total_reports) * 100
: 0;
return {
totalHours: parseFloat(stats.total_hours) || 0,
totalReports: parseInt(stats.total_reports) || 0,
activeProjects: parseInt(stats.active_projects) || 0,
activeworkers: parseInt(stats.active_workers) || 0,
errorRate: parseFloat(errorRate.toFixed(2)) || 0,
avgHoursPerReport: parseFloat(stats.avg_hours_per_report) || 0
};
} catch (error) {
throw new Error(`기본 통계 조회 실패: ${error.message}`);
}
}
// 일별 작업시간 추이
async getDailyTrend(startDate, endDate) {
const query = `
SELECT
report_date as date,
SUM(work_hours) as hours,
COUNT(*) as reports,
COUNT(DISTINCT worker_id) as workers,
SUM(CASE WHEN work_status_id = 2 THEN 1 ELSE 0 END) as errors
FROM daily_work_reports
WHERE report_date BETWEEN ? AND ?
GROUP BY report_date
ORDER BY report_date
`;
try {
const [results] = await this.db.execute(query, [startDate, endDate]);
return results.map(row => ({
date: row.date,
hours: parseFloat(row.hours) || 0,
reports: parseInt(row.reports) || 0,
workers: parseInt(row.workers) || 0,
errors: parseInt(row.errors) || 0
}));
} catch (error) {
throw new Error(`일별 추이 조회 실패: ${error.message}`);
}
}
// 작업자별 통계
async getWorkerStats(startDate, endDate) {
const query = `
SELECT
dwr.worker_id,
w.worker_name,
SUM(dwr.work_hours) as totalHours,
COUNT(*) as totalReports,
ROUND(AVG(dwr.work_hours), 2) as avgHours,
COUNT(DISTINCT dwr.project_id) as projectCount,
SUM(CASE WHEN dwr.work_status_id = 2 THEN 1 ELSE 0 END) as errorCount,
COUNT(DISTINCT dwr.report_date) as workingDays
FROM daily_work_reports dwr
LEFT JOIN workers w ON dwr.worker_id = w.worker_id
WHERE dwr.report_date BETWEEN ? AND ?
GROUP BY dwr.worker_id, w.worker_name
ORDER BY totalHours DESC
`;
try {
const [results] = await this.db.execute(query, [startDate, endDate]);
return results.map(row => ({
worker_id: row.worker_id,
worker_name: row.worker_name || `작업자 ${row.worker_id}`,
totalHours: parseFloat(row.totalHours) || 0,
totalReports: parseInt(row.totalReports) || 0,
avgHours: parseFloat(row.avgHours) || 0,
projectCount: parseInt(row.projectCount) || 0,
errorCount: parseInt(row.errorCount) || 0,
workingDays: parseInt(row.workingDays) || 0,
errorRate: row.totalReports > 0 ? parseFloat(((row.errorCount / row.totalReports) * 100).toFixed(2)) : 0
}));
} catch (error) {
throw new Error(`작업자별 통계 조회 실패: ${error.message}`);
}
}
// 프로젝트별 통계
async getProjectStats(startDate, endDate) {
const query = `
SELECT
dwr.project_id,
p.project_name,
SUM(dwr.work_hours) as totalHours,
COUNT(*) as totalReports,
COUNT(DISTINCT dwr.worker_id) as workerCount,
ROUND(AVG(dwr.work_hours), 2) as avgHours,
SUM(CASE WHEN dwr.work_status_id = 2 THEN 1 ELSE 0 END) as errorCount,
COUNT(DISTINCT dwr.report_date) as activeDays
FROM daily_work_reports dwr
LEFT JOIN projects p ON dwr.project_id = p.project_id
WHERE dwr.report_date BETWEEN ? AND ?
GROUP BY dwr.project_id, p.project_name
ORDER BY totalHours DESC
`;
try {
const [results] = await this.db.execute(query, [startDate, endDate]);
return results.map(row => ({
project_id: row.project_id,
project_name: row.project_name || `프로젝트 ${row.project_id}`,
totalHours: parseFloat(row.totalHours) || 0,
totalReports: parseInt(row.totalReports) || 0,
workerCount: parseInt(row.workerCount) || 0,
avgHours: parseFloat(row.avgHours) || 0,
errorCount: parseInt(row.errorCount) || 0,
activeDays: parseInt(row.activeDays) || 0,
errorRate: row.totalReports > 0 ? parseFloat(((row.errorCount / row.totalReports) * 100).toFixed(2)) : 0
}));
} catch (error) {
throw new Error(`프로젝트별 통계 조회 실패: ${error.message}`);
}
}
// 작업유형별 통계
async getWorkTypeStats(startDate, endDate) {
const query = `
SELECT
dwr.work_type_id,
wt.name as work_type_name,
SUM(dwr.work_hours) as totalHours,
COUNT(*) as totalReports,
ROUND(AVG(dwr.work_hours), 2) as avgHours,
COUNT(DISTINCT dwr.worker_id) as workerCount,
SUM(CASE WHEN dwr.work_status_id = 2 THEN 1 ELSE 0 END) as errorCount,
COUNT(DISTINCT dwr.project_id) as projectCount
FROM daily_work_reports dwr
LEFT JOIN work_types wt ON dwr.work_type_id = wt.id
WHERE dwr.report_date BETWEEN ? AND ?
GROUP BY dwr.work_type_id, wt.name
ORDER BY totalHours DESC
`;
try {
const [results] = await this.db.execute(query, [startDate, endDate]);
return results.map(row => ({
work_type_id: row.work_type_id,
work_type_name: row.work_type_name || `작업유형 ${row.work_type_id}`,
totalHours: parseFloat(row.totalHours) || 0,
totalReports: parseInt(row.totalReports) || 0,
avgHours: parseFloat(row.avgHours) || 0,
workerCount: parseInt(row.workerCount) || 0,
errorCount: parseInt(row.errorCount) || 0,
projectCount: parseInt(row.projectCount) || 0,
errorRate: row.totalReports > 0 ? parseFloat(((row.errorCount / row.totalReports) * 100).toFixed(2)) : 0
}));
} catch (error) {
throw new Error(`작업유형별 통계 조회 실패: ${error.message}`);
}
}
// 최근 작업 현황
async getRecentWork(startDate, endDate, limit = 50) {
const query = `
SELECT
dwr.id,
dwr.report_date,
dwr.worker_id,
w.worker_name,
dwr.project_id,
p.project_name,
p.job_no,
dwr.work_type_id,
wt.name as work_type_name,
dwr.work_status_id,
wst.name as work_status_name,
dwr.error_type_id,
et.name as error_type_name,
dwr.work_hours,
dwr.created_by,
u.name as created_by_name,
dwr.created_at
FROM daily_work_reports dwr
LEFT JOIN workers w ON dwr.worker_id = w.worker_id
LEFT JOIN projects p ON dwr.project_id = p.project_id
LEFT JOIN work_types wt ON dwr.work_type_id = wt.id
LEFT JOIN work_status_types wst ON dwr.work_status_id = wst.id
LEFT JOIN error_types et ON dwr.error_type_id = et.id
LEFT JOIN users u ON dwr.created_by = u.user_id
WHERE dwr.report_date BETWEEN ? AND ?
ORDER BY dwr.created_at DESC
LIMIT ?
`;
try {
const [results] = await this.db.execute(query, [startDate, endDate, parseInt(limit)]);
return results.map(row => ({
id: row.id,
report_date: row.report_date,
worker_id: row.worker_id,
worker_name: row.worker_name || `작업자 ${row.worker_id}`,
project_id: row.project_id,
project_name: row.project_name || `프로젝트 ${row.project_id}`,
job_no: row.job_no || 'N/A',
work_type_id: row.work_type_id,
work_type_name: row.work_type_name || `작업유형 ${row.work_type_id}`,
work_status_id: row.work_status_id,
work_status_name: row.work_status_name || '정상',
error_type_id: row.error_type_id,
error_type_name: row.error_type_name || null,
work_hours: parseFloat(row.work_hours) || 0,
created_by: row.created_by,
created_by_name: row.created_by_name || '미지정',
created_at: row.created_at
}));
} catch (error) {
throw new Error(`최근 작업 현황 조회 실패: ${error.message}`);
}
}
// 요일별 패턴 분석
async getWeekdayPattern(startDate, endDate) {
const query = `
SELECT
DAYOFWEEK(report_date) as day_of_week,
CASE DAYOFWEEK(report_date)
WHEN 1 THEN '일요일'
WHEN 2 THEN '월요일'
WHEN 3 THEN '화요일'
WHEN 4 THEN '수요일'
WHEN 5 THEN '목요일'
WHEN 6 THEN '금요일'
WHEN 7 THEN '토요일'
END as day_name,
SUM(work_hours) as total_hours,
COUNT(*) as total_reports,
ROUND(AVG(work_hours), 2) as avg_hours,
COUNT(DISTINCT worker_id) as active_workers
FROM daily_work_reports
WHERE report_date BETWEEN ? AND ?
GROUP BY DAYOFWEEK(report_date)
ORDER BY day_of_week
`;
try {
const [results] = await this.db.execute(query, [startDate, endDate]);
return results.map(row => ({
dayOfWeek: row.day_of_week,
dayName: row.day_name,
totalHours: parseFloat(row.total_hours) || 0,
totalReports: parseInt(row.total_reports) || 0,
avgHours: parseFloat(row.avg_hours) || 0,
activeworkers: parseInt(row.active_workers) || 0
}));
} catch (error) {
throw new Error(`요일별 패턴 분석 실패: ${error.message}`);
}
}
// 에러 분석
async getErrorAnalysis(startDate, endDate) {
const query = `
SELECT
dwr.error_type_id,
et.name as error_type_name,
COUNT(*) as error_count,
SUM(dwr.work_hours) as total_hours,
COUNT(DISTINCT dwr.worker_id) as affected_workers,
COUNT(DISTINCT dwr.project_id) as affected_projects
FROM daily_work_reports dwr
LEFT JOIN error_types et ON dwr.error_type_id = et.id
WHERE dwr.report_date BETWEEN ? AND ?
AND dwr.work_status_id = 2
GROUP BY dwr.error_type_id, et.name
ORDER BY error_count DESC
`;
try {
const [results] = await this.db.execute(query, [startDate, endDate]);
return results.map(row => ({
error_type_id: row.error_type_id,
error_type_name: row.error_type_name || `에러유형 ${row.error_type_id}`,
errorCount: parseInt(row.error_count) || 0,
totalHours: parseFloat(row.total_hours) || 0,
affectedworkers: parseInt(row.affected_workers) || 0,
affectedProjects: parseInt(row.affected_projects) || 0
}));
} catch (error) {
throw new Error(`에러 분석 실패: ${error.message}`);
}
}
// 월별 비교 분석
async getMonthlyComparison(year) {
const query = `
SELECT
MONTH(report_date) as month,
MONTHNAME(report_date) as month_name,
SUM(work_hours) as total_hours,
COUNT(*) as total_reports,
COUNT(DISTINCT worker_id) as active_workers,
COUNT(DISTINCT project_id) as active_projects,
SUM(CASE WHEN work_status_id = 2 THEN 1 ELSE 0 END) as error_count
FROM daily_work_reports
WHERE YEAR(report_date) = ?
GROUP BY MONTH(report_date), MONTHNAME(report_date)
ORDER BY month
`;
try {
const [results] = await this.db.execute(query, [year]);
return results.map(row => ({
month: row.month,
monthName: row.month_name,
totalHours: parseFloat(row.total_hours) || 0,
totalReports: parseInt(row.total_reports) || 0,
activeworkers: parseInt(row.active_workers) || 0,
activeProjects: parseInt(row.active_projects) || 0,
errorCount: parseInt(row.error_count) || 0,
errorRate: row.total_reports > 0 ? parseFloat(((row.error_count / row.total_reports) * 100).toFixed(2)) : 0
}));
} catch (error) {
throw new Error(`월별 비교 분석 실패: ${error.message}`);
}
}
// 작업자별 전문분야 분석
async getWorkerSpecialization(startDate, endDate) {
const query = `
SELECT
dwr.worker_id,
w.worker_name,
dwr.work_type_id,
wt.name as work_type_name,
dwr.project_id,
p.project_name,
SUM(dwr.work_hours) as totalHours,
COUNT(*) as totalReports,
ROUND((SUM(dwr.work_hours) / (
SELECT SUM(work_hours)
FROM daily_work_reports
WHERE worker_id = dwr.worker_id
AND report_date BETWEEN ? AND ?
)) * 100, 2) as percentage
FROM daily_work_reports dwr
LEFT JOIN workers w ON dwr.worker_id = w.worker_id
LEFT JOIN work_types wt ON dwr.work_type_id = wt.id
LEFT JOIN projects p ON dwr.project_id = p.project_id
WHERE dwr.report_date BETWEEN ? AND ?
GROUP BY dwr.worker_id, w.worker_name, dwr.work_type_id, wt.name, dwr.project_id, p.project_name
HAVING totalHours > 0
ORDER BY dwr.worker_id, totalHours DESC
`;
try {
const [results] = await this.db.execute(query, [startDate, endDate, startDate, endDate]);
return results.map(row => ({
worker_id: row.worker_id,
worker_name: row.worker_name || `작업자 ${row.worker_id}`,
work_type_id: row.work_type_id,
work_type_name: row.work_type_name || `작업유형 ${row.work_type_id}`,
project_id: row.project_id,
project_name: row.project_name || `프로젝트 ${row.project_id}`,
totalHours: parseFloat(row.totalHours) || 0,
totalReports: parseInt(row.totalReports) || 0,
percentage: parseFloat(row.percentage) || 0
}));
} catch (error) {
throw new Error(`작업자별 전문분야 분석 실패: ${error.message}`);
}
}
// 대시보드용 종합 데이터
async getDashboardData(startDate, endDate) {
try {
// 병렬로 모든 데이터 조회
const [
stats,
dailyTrend,
workerStats,
projectStats,
workTypeStats,
recentWork
] = await Promise.all([
this.getBasicStats(startDate, endDate),
this.getDailyTrend(startDate, endDate),
this.getWorkerStats(startDate, endDate),
this.getProjectStats(startDate, endDate),
this.getWorkTypeStats(startDate, endDate),
this.getRecentWork(startDate, endDate, 20)
]);
return {
stats,
dailyTrend,
workerStats,
projectStats,
workTypeStats,
recentWork,
metadata: {
period: `${startDate} ~ ${endDate}`,
timestamp: new Date().toISOString()
}
};
} catch (error) {
throw new Error(`대시보드 데이터 조회 실패: ${error.message}`);
}
}
}
module.exports = WorkAnalysis; |