71 lines
2.8 KiB
Java
71 lines
2.8 KiB
Java
package io.spring.graphql;
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import com.netflix.graphql.dgs.DgsComponent;
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import com.netflix.graphql.dgs.DgsData;
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import com.netflix.graphql.dgs.InputArgument;
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import io.spring.api.exception.ResourceNotFoundException;
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import io.spring.application.ProfileQueryService;
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import io.spring.application.data.ProfileData;
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import io.spring.core.user.FollowRelation;
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import io.spring.core.user.User;
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import io.spring.core.user.UserRepository;
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import io.spring.graphql.DgsConstants.MUTATION;
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import io.spring.graphql.exception.AuthenticationException;
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import io.spring.graphql.types.Profile;
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import io.spring.graphql.types.ProfilePayload;
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import org.springframework.beans.factory.annotation.Autowired;
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@DgsComponent
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public class RelationMutation {
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private UserRepository userRepository;
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private ProfileQueryService profileQueryService;
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@Autowired
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public RelationMutation(UserRepository userRepository, ProfileQueryService profileQueryService) {
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this.userRepository = userRepository;
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this.profileQueryService = profileQueryService;
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}
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@DgsData(parentType = MUTATION.TYPE_NAME, field = MUTATION.FollowUser)
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public ProfilePayload follow(@InputArgument("username") String username) {
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User user = SecurityUtil.getCurrentUser().orElseThrow(AuthenticationException::new);
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return userRepository
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.findByUsername(username)
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.map(
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target -> {
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FollowRelation followRelation = new FollowRelation(user.getId(), target.getId());
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userRepository.saveRelation(followRelation);
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Profile profile = buildProfile(username, user);
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return ProfilePayload.newBuilder().profile(profile).build();
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})
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.orElseThrow(ResourceNotFoundException::new);
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}
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@DgsData(parentType = MUTATION.TYPE_NAME, field = MUTATION.UnfollowUser)
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public ProfilePayload unfollow(@InputArgument("username") String username) {
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User user = SecurityUtil.getCurrentUser().orElseThrow(AuthenticationException::new);
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User target =
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userRepository.findByUsername(username).orElseThrow(ResourceNotFoundException::new);
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return userRepository
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.findRelation(user.getId(), target.getId())
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.map(
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relation -> {
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userRepository.removeRelation(relation);
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Profile profile = buildProfile(username, user);
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return ProfilePayload.newBuilder().profile(profile).build();
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})
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.orElseThrow(ResourceNotFoundException::new);
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}
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private Profile buildProfile(@InputArgument("username") String username, User current) {
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ProfileData profileData = profileQueryService.findByUsername(username, current).get();
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return Profile.newBuilder()
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.username(profileData.getUsername())
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.bio(profileData.getBio())
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.image(profileData.getImage())
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.following(profileData.isFollowing())
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.build();
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}
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}
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