[Scouting App] Add Driver Ranking

Move the driver ranking data collection from google forms to the scouting app.
The data collected is used to calculate a overall driver rank for the picklist.

Signed-off-by: Filip Kujawa <filip.j.kujawa@gmail.com>
Change-Id: Id459e8dec1fa79c1a9f49cc40ffa83014e51db16
diff --git a/scouting/www/BUILD b/scouting/www/BUILD
index 0b7cebb..ee0659b 100644
--- a/scouting/www/BUILD
+++ b/scouting/www/BUILD
@@ -16,6 +16,7 @@
     use_angular_plugin = True,
     visibility = ["//visibility:public"],
     deps = [
+        "//scouting/www/driver_ranking",
         "//scouting/www/entry",
         "//scouting/www/import_match_list",
         "//scouting/www/match_list",
diff --git a/scouting/www/app.ng.html b/scouting/www/app.ng.html
index 297fd39..d9dbead 100644
--- a/scouting/www/app.ng.html
+++ b/scouting/www/app.ng.html
@@ -40,6 +40,15 @@
   <li class="nav-item">
     <a
       class="nav-link"
+      [class.active]="tabIs('DriverRanking')"
+      (click)="switchTabToGuarded('DriverRanking')"
+    >
+      Driver Ranking
+    </a>
+  </li>
+  <li class="nav-item">
+    <a
+      class="nav-link"
       [class.active]="tabIs('ImportMatchList')"
       (click)="switchTabToGuarded('ImportMatchList')"
     >
@@ -80,6 +89,7 @@
     *ngSwitchCase="'Entry'"
   ></app-entry>
   <frc971-notes *ngSwitchCase="'Notes'"></frc971-notes>
+  <app-driver-ranking *ngSwitchCase="'DriverRanking'"></app-driver-ranking>
   <app-import-match-list
     *ngSwitchCase="'ImportMatchList'"
   ></app-import-match-list>
diff --git a/scouting/www/app.ts b/scouting/www/app.ts
index 4f95c90..b26f815 100644
--- a/scouting/www/app.ts
+++ b/scouting/www/app.ts
@@ -4,6 +4,7 @@
   | 'MatchList'
   | 'Notes'
   | 'Entry'
+  | 'DriverRanking'
   | 'ImportMatchList'
   | 'ShiftSchedule'
   | 'View';
diff --git a/scouting/www/app_module.ts b/scouting/www/app_module.ts
index 8c18f7a..04d72b3 100644
--- a/scouting/www/app_module.ts
+++ b/scouting/www/app_module.ts
@@ -9,6 +9,7 @@
 import {NotesModule} from './notes/notes.module';
 import {ShiftScheduleModule} from './shift_schedule/shift_schedule.module';
 import {ViewModule} from './view/view.module';
+import {DriverRankingModule} from './driver_ranking/driver_ranking.module';
 
 @NgModule({
   declarations: [App],
@@ -20,6 +21,7 @@
     ImportMatchListModule,
     MatchListModule,
     ShiftScheduleModule,
+    DriverRankingModule,
     ViewModule,
   ],
   exports: [App],
diff --git a/scouting/www/driver_ranking/BUILD b/scouting/www/driver_ranking/BUILD
new file mode 100644
index 0000000..10b6f99
--- /dev/null
+++ b/scouting/www/driver_ranking/BUILD
@@ -0,0 +1,26 @@
+load("@npm//@bazel/typescript:index.bzl", "ts_library")
+
+ts_library(
+    name = "driver_ranking",
+    srcs = [
+        "driver_ranking.component.ts",
+        "driver_ranking.module.ts",
+    ],
+    angular_assets = [
+        "driver_ranking.component.css",
+        "driver_ranking.ng.html",
+        "//scouting/www:common_css",
+    ],
+    compiler = "//tools:tsc_wrapped_with_angular",
+    target_compatible_with = ["@platforms//cpu:x86_64"],
+    use_angular_plugin = True,
+    visibility = ["//visibility:public"],
+    deps = [
+        "//scouting/webserver/requests/messages:error_response_ts_fbs",
+        "//scouting/webserver/requests/messages:submit_driver_ranking_ts_fbs",
+        "@com_github_google_flatbuffers//ts:flatbuffers_ts",
+        "@npm//@angular/common",
+        "@npm//@angular/core",
+        "@npm//@angular/forms",
+    ],
+)
diff --git a/scouting/www/driver_ranking/driver_ranking.component.css b/scouting/www/driver_ranking/driver_ranking.component.css
new file mode 100644
index 0000000..e220645
--- /dev/null
+++ b/scouting/www/driver_ranking/driver_ranking.component.css
@@ -0,0 +1,3 @@
+* {
+  padding: 10px;
+}
diff --git a/scouting/www/driver_ranking/driver_ranking.component.ts b/scouting/www/driver_ranking/driver_ranking.component.ts
new file mode 100644
index 0000000..aadb3b0
--- /dev/null
+++ b/scouting/www/driver_ranking/driver_ranking.component.ts
@@ -0,0 +1,93 @@
+import {Component, OnInit} from '@angular/core';
+import {Builder, ByteBuffer} from 'flatbuffers';
+import {SubmitDriverRanking} from 'org_frc971/scouting/webserver/requests/messages/submit_driver_ranking_generated';
+import {ErrorResponse} from 'org_frc971/scouting/webserver/requests/messages/error_response_generated';
+
+// TeamSelection: Display form to input which
+// teams to rank and the match number.
+// Data: Display the ranking interface where
+// the scout can reorder teams and submit data.
+type Section = 'TeamSelection' | 'Data';
+
+@Component({
+  selector: 'app-driver-ranking',
+  templateUrl: './driver_ranking.ng.html',
+  styleUrls: ['../common.css', './driver_ranking.component.css'],
+})
+export class DriverRankingComponent {
+  section: Section = 'TeamSelection';
+
+  // Stores the team keys and rank (order of the array).
+  team_ranking: number[] = [971, 972, 973];
+
+  match_number: number = 1;
+
+  errorMessage = '';
+
+  setTeamNumbers() {
+    this.section = 'Data';
+  }
+
+  rankUp(index: number) {
+    if (index > 0) {
+      this.changeRank(index, index - 1);
+    }
+  }
+
+  rankDown(index: number) {
+    if (index < 2) {
+      this.changeRank(index, index + 1);
+    }
+  }
+
+  // Change the rank of a team in team_ranking.
+  // Move the the team at index 'fromIndex'
+  // to the index 'toIndex'.
+  // Ex. Moving the rank 2 (index 1) team to rank1 (index 0)
+  // would be changeRank(1, 0)
+
+  changeRank(fromIndex: number, toIndex: number) {
+    var element = this.team_ranking[fromIndex];
+    this.team_ranking.splice(fromIndex, 1);
+    this.team_ranking.splice(toIndex, 0, element);
+  }
+
+  editTeams() {
+    this.section = 'TeamSelection';
+  }
+
+  async submitData() {
+    const builder = new Builder();
+    builder.finish(
+      SubmitDriverRanking.createSubmitDriverRanking(
+        builder,
+        this.match_number,
+        this.team_ranking[0],
+        this.team_ranking[1],
+        this.team_ranking[2]
+      )
+    );
+    const buffer = builder.asUint8Array();
+    const res = await fetch('/requests/submit/submit_driver_ranking', {
+      method: 'POST',
+      body: buffer,
+    });
+
+    if (!res.ok) {
+      const resBuffer = await res.arrayBuffer();
+      const fbBuffer = new ByteBuffer(new Uint8Array(resBuffer));
+      const parsedResponse = ErrorResponse.getRootAsErrorResponse(fbBuffer);
+
+      const errorMessage = parsedResponse.errorMessage();
+      this.errorMessage = `Received ${res.status} ${res.statusText}: "${errorMessage}"`;
+      return;
+    }
+
+    // Increment the match number.
+    this.match_number = this.match_number + 1;
+
+    // Reset Data.
+    this.section = 'TeamSelection';
+    this.team_ranking = [971, 972, 973];
+  }
+}
diff --git a/scouting/www/driver_ranking/driver_ranking.module.ts b/scouting/www/driver_ranking/driver_ranking.module.ts
new file mode 100644
index 0000000..7fe3623
--- /dev/null
+++ b/scouting/www/driver_ranking/driver_ranking.module.ts
@@ -0,0 +1,11 @@
+import {CommonModule} from '@angular/common';
+import {NgModule} from '@angular/core';
+import {FormsModule} from '@angular/forms';
+import {DriverRankingComponent} from './driver_ranking.component';
+
+@NgModule({
+  declarations: [DriverRankingComponent],
+  exports: [DriverRankingComponent],
+  imports: [CommonModule, FormsModule],
+})
+export class DriverRankingModule {}
diff --git a/scouting/www/driver_ranking/driver_ranking.ng.html b/scouting/www/driver_ranking/driver_ranking.ng.html
new file mode 100644
index 0000000..21aeec1
--- /dev/null
+++ b/scouting/www/driver_ranking/driver_ranking.ng.html
@@ -0,0 +1,51 @@
+<h2>Driver Ranking</h2>
+
+<ng-container [ngSwitch]="section">
+  <div *ngSwitchCase="'TeamSelection'">
+    <label for="match_number_selection">Match Number</label>
+    <input
+      [(ngModel)]="match_number"
+      type="number"
+      id="match_number_selection"
+      min="1"
+      max="9999"
+    />
+    <br />
+    <br />
+    <label>Team Numbers</label>
+    <input
+      *ngFor="let x of [1,2,3]; let i = index;"
+      [(ngModel)]="team_ranking[i]"
+      type="number"
+      min="1"
+      max="9999"
+    />
+    <button class="btn btn-primary" (click)="setTeamNumbers()">Select</button>
+  </div>
+  <div *ngSwitchCase="'Data'">
+    <h4>Match #{{match_number}}</h4>
+    <div *ngFor="let team_key of team_ranking; let i = index">
+      <div class="d-flex flex-row justify-content-center pt-2">
+        <div class="d-flex flex-row">
+          <h4 class="align-self-center">{{i + 1}}</h4>
+          <h1 class="align-self-center">{{team_key}}</h1>
+        </div>
+        <button class="btn btn-success" (click)="rankUp(i)">&uarr;</button>
+        <!--&uarr; is the html code for an up arrow-->
+        <button class="btn btn-danger" (click)="rankDown(i)">&darr;</button>
+        <!--&darr; is the html code for a down arrow-->
+      </div>
+    </div>
+    <div class="d-flex flex-row justify-content-center pt-2">
+      <div>
+        <button class="btn btn-secondary" (click)="editTeams()">
+          Edit Teams
+        </button>
+      </div>
+      <div>
+        <button class="btn btn-success" (click)="submitData()">Submit</button>
+      </div>
+    </div>
+  </div>
+  <div class="error">{{errorMessage}}</div>
+</ng-container>