Add search flows query

Author: czmj

src/domain-services/flow/flow-service.ts

@@ -6,6 +6,20 @@ import { Service } from 'typedi';
 
 @Service()
 export class FlowService {
+  async search(
+    models: Database,
+    params: {
+      limit?: number;
+      offset?: number;
+    }
+  ): Promise<InstanceDataOfModel<Database['flow']>[]> {
+    const { limit, offset } = params;
+    return await models.flow.find({
+      limit: limit || 100,
+      offset: offset || 0,
+    });
+  }
+
   async findLatestVersionById(
     models: Database,
     id: number

src/domain-services/flow/graphql/resolver.ts

@@ -1,11 +1,30 @@
 import { groupBy } from 'lodash';
-import { Arg, Ctx, FieldResolver, Query, Resolver, Root } from 'type-graphql';
+import {
+  Arg,
+  Args,
+  ArgsType,
+  Ctx,
+  Field,
+  FieldResolver,
+  Query,
+  Resolver,
+  Root,
+} from 'type-graphql';
 import { Service } from 'typedi';
 import Context from '../../Context';
 import { FlowObjectService } from '../../flow-object/flow-object-service';
 import { FlowService } from '../flow-service';
 import { Flow } from './types';
 
+@ArgsType()
+class SearchFlowsArgs {
+  @Field()
+  limit?: number;
+
+  @Field()
+  offset?: number;
+}
+
 @Service()
 @Resolver(Flow)
 export default class FlowResolver {
@@ -14,6 +33,11 @@ export default class FlowResolver {
     private flowObjectService: FlowObjectService
   ) {}
 
+  @Query(() => [Flow])
+  async searchFlow(@Args() params: SearchFlowsArgs, @Ctx() context: Context) {
+    return await this.flowService.search(context.models, params);
+  }
+
   @Query(() => Flow)
   async flow(@Arg('id') id: number, @Ctx() context: Context) {
     return await this.flowService.findLatestVersionById(context.models, id);