Create util class to get mail address

scm-core/src/main/java/sonia/scm/user/EMail.java

@@ -0,0 +1,52 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.user;
+
+import com.google.common.base.Strings;
+import sonia.scm.config.ScmConfiguration;
+
+import javax.inject.Inject;
+
+public class EMail {
+
+  private final ScmConfiguration scmConfiguration;
+
+  @Inject
+  public EMail(ScmConfiguration scmConfiguration) {
+    this.scmConfiguration = scmConfiguration;
+  }
+
+  public String createFallbackMailAddress(User user) {
+    if (Strings.isNullOrEmpty(user.getMail())) {
+      if (user.getId().contains("@")) {
+        return user.getId();
+      } else {
+        return user.getId() + "@" + scmConfiguration.getMailHost();
+      }
+    } else {
+      return user.getMail();
+    }
+  }
+}

scm-core/src/test/java/sonia/scm/user/EMailTest.java

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+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.user;
+
+import org.junit.jupiter.api.Test;
+import sonia.scm.config.ScmConfiguration;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class EMailTest {
+
+  EMail eMail = new EMail(new ScmConfiguration());
+
+  @Test
+  void shouldUserUsersAddressIfAvailable() {
+    User user = new User("dent", "Arthur Dent", "arthur@hitchhiker.com");
+
+    String mailAddress = eMail.createFallbackMailAddress(user);
+
+    assertThat(mailAddress).isEqualTo("arthur@hitchhiker.com");
+  }
+
+  @Test
+  void shouldCreateAddressIfNoneAvailable() {
+    User user = new User("dent", "Arthur Dent", "");
+
+    String mailAddress = eMail.createFallbackMailAddress(user);
+
+    assertThat(mailAddress).isEqualTo("dent@scm-manager.local");
+  }
+
+  @Test
+  void shouldUserUsersIdIfItLooksLikeAnMailAddress() {
+    User user = new User("dent@hitchhiker.com", "Arthur Dent", "");
+
+    String mailAddress = eMail.createFallbackMailAddress(user);
+
+    assertThat(mailAddress).isEqualTo("dent@hitchhiker.com");
+  }
+}