feat(model): add models methods impl

src/domain/model/principal.model.ts

@@ -1,13 +1,21 @@
 import { Injectable } from '@nestjs/common';
 import { Principal } from '../entities/principal.entity';
-import { Role } from '../entities/role.entity';
 
 @Injectable()
 export class PrincipalModel {
   principalsDb: Record<string, Principal>;
   constructor() {}
 
-  create(roles: Role[]) {}
-  findById(id: string) {}
-  assignRoles(id: string, roles: Role[]) {}
+  create(roles: string[]) {
+    const newPrincipal = new Principal(roles);
+    this.principalsDb[newPrincipal.id] = newPrincipal;
+    return newPrincipal;
+  }
+  findById(id: string) {
+    return this.principalsDb[id];
+  }
+  assignRoles(id: string, roles: string[]) {
+    this.principalsDb[id].roles = roles;
+    return this.principalsDb[id];
+  }
 }

src/domain/model/role.model.ts

@@ -1,13 +1,18 @@
 import { Injectable } from '@nestjs/common';
 import { Role } from '../entities/role.entity';
-import { Scope } from '../entities/scope.entity';
+import { ScopeModel } from './scope.model';
 
 @Injectable()
 export class RoleModel {
   rolesDb: Record<string, Role>;
-  constructor() {}
+  constructor(private readonly scopeModel: ScopeModel) {}
 
-  create(scopes: Scope[]) {}
-  findById(id: string) {}
-  update(id: string, roles: Role[]) {}
+  create(name: string, scopes: string[]) {
+    const newRole = new Role(name, scopes);
+    this.rolesDb[newRole.id] = newRole;
+    return newRole;
+  }
+  findById(ids: string[]) {
+    return ids.map((id) => this.rolesDb[id]);
+  }
 }

src/domain/model/scope.model.ts

@@ -2,11 +2,18 @@ import { Injectable } from '@nestjs/common';
 import { Scope } from '../entities/scope.entity';
 
 @Injectable()
-export class RoleModel {
+export class ScopeModel {
   scopesDb: Record<string, Scope>;
   constructor() {}
 
-  create(urn: string, context: string) {}
-  findById(id: string) {}
-  update(id: string, urn: string, context: string) {}
+  create(scopes: { urn: string; context: string }[]) {
+    return scopes.map((scope) => {
+      const newScope = new Scope(scope.urn, scope.context);
+      this.scopesDb[newScope.id] = newScope;
+      return newScope;
+    });
+  }
+  findById(ids: string[]) {
+    return ids.map((id) => this.scopesDb[id]);
+  }
 }