io.resys.thena.docdb.spi.repo.RepoCreateBuilder Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of thena-docdb-api Show documentation
The newest version!
package io.resys.thena.docdb.spi.repo;

/*-
 * #%L
 * thena-docdb-api
 * %%
 * Copyright (C) 2021 Copyright 2021 ReSys OÜ
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import io.resys.thena.docdb.api.actions.ImmutableRepoResult;
import io.resys.thena.docdb.api.actions.RepoActions;
import io.resys.thena.docdb.api.actions.RepoActions.RepoResult;
import io.resys.thena.docdb.api.actions.RepoActions.RepoStatus;
import io.resys.thena.docdb.api.exceptions.RepoException;
import io.resys.thena.docdb.api.models.ImmutableRepo;
import io.resys.thena.docdb.api.models.Repo;
import io.resys.thena.docdb.spi.ClientState;
import io.resys.thena.docdb.spi.support.Identifiers;
import io.resys.thena.docdb.spi.support.RepoAssert;
import io.smallrye.mutiny.Uni;
import lombok.Data;
import lombok.RequiredArgsConstructor;
import lombok.experimental.Accessors;

@RequiredArgsConstructor
@Data @Accessors(fluent = true)
public class RepoCreateBuilder implements RepoActions.CreateBuilder {

  private final ClientState state;
  private String name;
  
  @Override
  public Uni build() {
    RepoAssert.notEmpty(name, () -> "repo name not defined!");
    RepoAssert.isName(name, () -> "repo name has invalid charecters!");
    

    return state.repos().getByName(name)
      .onItem().transformToUni((Repo existing) -> {
      
      final Uni result;
      if(existing != null) {
        result = Uni.createFrom().item(ImmutableRepoResult.builder()
            .status(RepoStatus.CONFLICT)
            .addMessages(RepoException.builder().nameNotUnique(existing.getName(), existing.getId()))
            .build());
      } else {
        result = state.repos().find()
        .collect().asList().onItem()
        .transformToUni((allRepos) -> { 
          
          final var newRepo = ImmutableRepo.builder()
              .id(Identifiers.uuid())
              .rev(Identifiers.uuid())
              .name(name)
              .prefix("nested_" + (allRepos.size() + 10) + "_")
              .build();
          
          return state.repos().insert(newRepo)
            .onItem().transform(next -> (RepoResult) ImmutableRepoResult.builder()
                .repo(next)
                .status(RepoStatus.OK)
                .build());
        });
      }
      return result;
    });
  }
}