feat(budget tip): add retrieving income and outome for 2 months

.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+  "workbench.colorCustomizations": {
+    "activityBar.background": "#412720",
+    "titleBar.activeBackground": "#5B372D",
+    "titleBar.activeForeground": "#FCFAF9"
+  }
+}

back/src/mind/application/adviser/BudgetAdviser.ts

@@ -0,0 +1,45 @@
+import * as md5 from 'md5'
+
+import { TipModel } from '@shared/models/mind/TipModel'
+import { TipAction } from '@shared/enum/TipAction'
+
+import { Adviser } from '../../infrastructure/adviser/helpers/Adviser'
+import { IsAdviser } from '../../infrastructure/adviser/helpers/IsAdviser'
+import { Statistician } from '@back/money/application/Statistician'
+import { GroupBy } from '@shared/enum/GroupBy'
+import { Currency } from '@shared/enum/Currency'
+import { addMonths } from 'date-fns'
+
+@IsAdviser()
+export class BudgetAdviser implements Adviser {
+  public constructor(private readonly statistician: Statistician) {}
+
+  public async giveAdvice(userLogin: string): Promise<TipModel[]> {
+    const now = new Date()
+
+    const [_, ...result] = await this.statistician.showDateRangeStats(
+      userLogin,
+      { from: new Date(addMonths(new Date(), -2)), to: new Date() },
+      GroupBy.Month,
+      Currency.USD,
+    )
+
+    return [
+      {
+        date: now,
+        action: TipAction.MergeSources,
+        meta: result,
+        token: this.createToken([''], TipAction.MergeSources),
+      },
+    ]
+  }
+
+  private createToken(variants: string[], action: TipAction): string {
+    const payload = {
+      variants: variants.sort(),
+      action,
+    }
+
+    return md5(JSON.stringify(payload))
+  }
+}

back/src/mind/mind.module.ts

@@ -16,6 +16,7 @@ import { DisabledTipRepository } from './domain/DisabledTipRepository'
 import { TipsDisabler } from './application/TipsDisabler'
 import { TypoController } from './presentation/http/controller/TypoController'
 import { TypoMerger } from './application/TypoMerger'
+import { BudgetAdviser } from './application/adviser/BudgetAdviser'
 
 @Module({
   imports: [
@@ -29,6 +30,7 @@ import { TypoMerger } from './application/TypoMerger'
     TypoFinder,
     TypoMerger,
     TypoAdviser,
+    BudgetAdviser,
     AdviserUnity,
     TipsFilter,
     TipsDisabler,

back/src/money/money.module.ts

@@ -46,7 +46,7 @@ import { ApiClientUnity } from './insfrastructure/ExchangeRateApi/ApiClientUnity
     TransactionActions,
     UnexpectedParameterCatcher,
   ],
-  exports: [IncomeRepository, OutcomeRepository],
+  exports: [IncomeRepository, OutcomeRepository, Statistician],
 })
 export class MoneyModule implements NestModule {
   public configure(consumer: MiddlewareConsumer) {