From 4bfd919bbc4082f0ecf898d64ae0b6cc8fa7bc4c Mon Sep 17 00:00:00 2001
From: Polianin Nikita <nikitkapolyanin@yandex.ru>
Date: Fri, 30 Aug 2024 01:30:34 +0300
Subject: [PATCH] feat: grouped pair by group

---
 .../schedule/table/table.component.html       | 19 +++----
 .../schedule/table/table.component.ts         | 57 +++++++++++--------
 2 files changed, 41 insertions(+), 35 deletions(-)

diff --git a/src/components/schedule/table/table.component.html b/src/components/schedule/table/table.component.html
index 4c486c9..ad828ed 100644
--- a/src/components/schedule/table/table.component.html
+++ b/src/components/schedule/table/table.component.html
@@ -1,4 +1,5 @@
-<section class="mat-elevation-z8 table-section" tabindex="0" [style.overflow]="(dataSource.length === 0 || isLoad ? 'hidden' : 'auto')">
+<section class="mat-elevation-z8 table-section" tabindex="0"
+         [style.overflow]="(dataSource.length === 0 || isLoad ? 'hidden' : 'auto')">
   @if (dataSource.length === 0 || isLoad) {
     <div class="overlay">
       @if (isLoad) {
@@ -53,7 +54,7 @@
               @if ($index !== 0) {
                 <br/>
               }
-              <div class="mat-body">({{typeOfOccupation}})</div>
+              <div class="mat-body">({{ typeOfOccupation }})</div>
             }
 
             <!-- Professors -->
@@ -97,14 +98,12 @@
             }
 
             <!-- Group -->
-            @if (!isOneGroup) {
-              <div class="mat-body">
-                <i>
-                  <mat-icon fontIcon="group"/>
-                </i>
-                {{ elementData["group"] }}
-              </div>
-            }
+            <div class="mat-body">
+              <i>
+                <mat-icon fontIcon="group"/>
+              </i>
+              {{ elementData["group"] }}
+            </div>
 
             @if ($index + 1 !== element.data[daysOfWeek.indexOf(day) + 1].length) {
               <hr style="margin: 10px 0;"/>
diff --git a/src/components/schedule/table/table.component.ts b/src/components/schedule/table/table.component.ts
index 162fbff..add7aca 100644
--- a/src/components/schedule/table/table.component.ts
+++ b/src/components/schedule/table/table.component.ts
@@ -31,17 +31,16 @@ interface Dictionary {
 })
 
 export class TableComponent implements OnChanges {
+  @Input() currentWeek!: number;
+  @Input() startWeek!: Date;
+  @Input() isLoad: boolean = false;
+
   private isDisciplineWithWeeks: boolean = false;
   protected tableDataSource: MatTableDataSource<TableData> = new MatTableDataSource<TableData>([]);
   private backupDisciplines: string[] = [];
   protected daysOfWeek: string[] = ['Понедельник', 'Вторник', 'Среда', 'Четверг', 'Пятница', 'Суббота'];
   protected displayedColumns: string[] = ['pairNumber'];
   protected dataSource: ScheduleResponse[] = [];
-  protected isOneGroup: boolean = false;
-
-  @Input() currentWeek!: number;
-  @Input() startWeek!: Date;
-  @Input() isLoad: boolean = false;
 
   @Input() set disciplineWithWeeks(value: boolean) {
     this.isDisciplineWithWeeks = value;
@@ -51,7 +50,6 @@ export class TableComponent implements OnChanges {
   @Input() set data(schedule: ScheduleResponse[]) {
     this.dataSource = schedule;
     this.convertData();
-    this.isOneGroup = schedule.every((item, _, array) => item.group === array[0].group);
   }
 
   ngOnChanges(changes: any) {
@@ -68,16 +66,16 @@ export class TableComponent implements OnChanges {
     this.isLoad = true;
     let tableData: TableData[] = [];
 
-    for (let i: number = 1; i <= 7; i++) {
+    for (let pairNumber: number = 1; pairNumber <= 7; pairNumber++) {
       let convertedData: TableData = {
-        pairNumber: i,
+        pairNumber: pairNumber,
         data: {}
       };
 
-      for (let k: number = 1; k < 7; k++) {
+      for (let dayOfWeek: number = 1; dayOfWeek < 7; dayOfWeek++) {
         let filteredData = this.dataSource.filter(x =>
-          x.pairNumber === i &&
-          x.dayOfWeek === k &&
+          x.pairNumber === pairNumber &&
+          x.dayOfWeek === dayOfWeek &&
           x.isEven === (this.currentWeek % 2 === 0)
         );
 
@@ -85,25 +83,34 @@ export class TableComponent implements OnChanges {
           filteredData = filteredData.filter(x =>
             x.isExcludedWeeks == undefined ||
             x.weeks == undefined ||
-            (x.isExcludedWeeks && (!x.weeks.includes(this.currentWeek))) ||
-            (!x.isExcludedWeeks && (x.weeks.includes(this.currentWeek)))
+            (x.isExcludedWeeks && !x.weeks.includes(this.currentWeek)) ||
+            (!x.isExcludedWeeks && x.weeks.includes(this.currentWeek))
           );
 
-        filteredData.forEach(x => {
-          if (this.isDisciplineWithWeeks) {
-            if (x.isExcludedWeeks != undefined && x.weeks != undefined) {
-              if (this.backupDisciplines[x.disciplineId])
-                x.discipline = this.backupDisciplines[x.disciplineId];
-              else
-                this.backupDisciplines[x.disciplineId] = x.discipline;
+        const groupedData = filteredData.reduce((acc, item) => {
+          const key = `${item.lectureHalls}-${item.campus}-${item.discipline}-${item.professors.join(', ')}-${item.isExcludedWeeks}-${item.weeks?.join(', ') || ''}`;
+          if (!acc[key])
+            acc[key] = {...item, groups: [item.group]};
+          else
+            acc[key].groups.push(item.group);
+          return acc;
+        }, {} as { [key: string]: ScheduleResponse & { groups: string[] } });
 
-              x.discipline = `${(x.isExcludedWeeks ? 'кр.' : 'н.')} ${x.weeks.join(', ')} ${x.discipline}`;
+        convertedData.data[dayOfWeek.toString()] = Object.values(groupedData).map(item => {
+          item.group = item.groups.join(', ');
+
+          if (this.isDisciplineWithWeeks && item.weeks && item.isExcludedWeeks !== undefined) {
+            if (this.backupDisciplines[item.disciplineId]) {
+              item.discipline = this.backupDisciplines[item.disciplineId];
+            } else {
+              this.backupDisciplines[item.disciplineId] = item.discipline;
             }
-          } else if (this.backupDisciplines[x.disciplineId])
-            x.discipline = this.backupDisciplines[x.disciplineId];
-        });
+            item.discipline = `${item.isExcludedWeeks ? 'кр.' : 'н.'} ${item.weeks.join(', ')} ${item.discipline}`;
+          } else if (this.backupDisciplines[item.disciplineId])
+            item.discipline = this.backupDisciplines[item.disciplineId];
 
-        convertedData.data[k.toString()] = filteredData;
+          return item;
+        });
       }
 
       tableData.push(convertedData);