feat: profile image check (#300)

* feat: check profile-image

* feat: dont send message immediately

* style: remove logs

* chore: add dot at end of sentence

* fix: correct if condition

* refactor: update message

src/app.module.ts

@@ -5,6 +5,7 @@ import { AppService } from './app.service';
 import { DiscordConfigService } from './environment/discord-config.service';
 import { AlexModule } from './alexjs/alex.module';
 import { VersionModule } from './version/version.module';
+import { CheckImageModule } from './check-image/check-image.module';
 
 @Module({
   imports: [
@@ -14,6 +15,7 @@ import { VersionModule } from './version/version.module';
       isGlobal: true,
     }),
     VersionModule,
+    CheckImageModule,
   ],
   providers: [AppService, DiscordConfigService],
 })

src/check-image/check-image.handler.ts

@@ -0,0 +1,17 @@
+import { Injectable } from '@nestjs/common';
+import { On } from 'discord-nestjs';
+import { Message } from 'discord.js';
+import { CheckImageService } from './check-image.service';
+
+@Injectable()
+export class CheckImageHandler {
+  constructor(private readonly checkImageService: CheckImageService) {}
+  @On({ event: 'message' })
+  checkImage(message: Message) {
+    if (message.author.bot) {
+      return;
+    }
+    this.checkImageService.checkImage(message);
+    return;
+  }
+}

src/check-image/check-image.module.ts

@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { CheckImageHandler } from './check-image.handler';
+import { CheckImageService } from './check-image.service';
+
+@Module({
+  providers: [CheckImageHandler, CheckImageService],
+  exports: [CheckImageHandler],
+})
+export class CheckImageModule {}

src/check-image/check-image.service.ts

@@ -0,0 +1,25 @@
+import { Injectable } from '@nestjs/common';
+import { Message } from 'discord.js';
+
+@Injectable()
+export class CheckImageService {
+  private countsDictionary: { [key: string]: number } = {};
+
+  public checkImage(message: Message): void {
+    const authorId = message.author.id;
+    if (!message.author.avatar) {
+      if (this.countsDictionary[authorId]) {
+        this.countsDictionary[authorId]++;
+      } else {
+        this.countsDictionary[authorId] = 1;
+      }
+
+      if (this.countsDictionary[authorId] > 3) {
+        message.author.send(
+          'Please consider adding a profile picture, it is more friendly. It does not have to be you, but something unique, like a cartoon version of yourself or a pet.',
+        );
+        this.countsDictionary[authorId] = 0;
+      }
+    }
+  }
+}