New API to delete all rules

src/domain/adminrule-management/src/main/java/org/geoserver/acl/domain/adminrules/AdminRuleAdminService.java

@@ -78,4 +78,6 @@ public interface AdminRuleAdminService {
     int count(AdminRuleFilter filter);
 
     boolean exists(String id);
+
+    int deleteAll();
 }

src/domain/adminrule-management/src/main/java/org/geoserver/acl/domain/adminrules/AdminRuleAdminServiceImpl.java

@@ -109,6 +109,11 @@ public boolean delete(@NonNull String id) {
         return deleted;
     }
 
+    @Override
+    public int deleteAll() {
+        return repository.deleteAll();
+    }
+
     @Override
     public Stream<AdminRule> getAll() {
         return repository.findAll();

src/domain/adminrule-management/src/main/java/org/geoserver/acl/domain/adminrules/AdminRuleRepository.java

@@ -42,5 +42,7 @@ public interface AdminRuleRepository {
 
     boolean deleteById(String id);
 
+    int deleteAll();
+
     Optional<AdminRule> findOneByPriority(long priority);
 }

src/domain/adminrule-management/src/test/java/org/geoserver/acl/domain/adminrules/MemoryAdminRuleRepository.java

@@ -193,6 +193,13 @@ public boolean deleteById(String id) {
         return rules.removeIf(r -> r.getId().equals(id));
     }
 
+    @Override
+    public int deleteAll() {
+        int count = rules.size();
+        rules.clear();
+        return count;
+    }
+
     @Override
     public Optional<AdminRule> findOneByPriority(long priority) {
         return rules.stream().filter(r -> r.getPriority() == priority).findFirst();

src/domain/rule-management/src/main/java/org/geoserver/acl/domain/rules/RuleAdminService.java

@@ -137,4 +137,6 @@ public interface RuleAdminService {
      *     RuleIdentifier#getLayer() layer} set
      */
     Set<String> getAllowedStyles(String ruleId);
+
+    int deleteAll();
 }

src/domain/rule-management/src/main/java/org/geoserver/acl/domain/rules/RuleAdminServiceImpl.java

@@ -154,6 +154,11 @@ public boolean delete(@NonNull String id) {
         return deleted;
     }
 
+    @Override
+    public int deleteAll() {
+        return ruleRepository.deleteAll();
+    }
+
     @Override
     public Stream<Rule> getAll() {
         return ruleRepository.findAll();

src/domain/rule-management/src/main/java/org/geoserver/acl/domain/rules/RuleRepository.java

@@ -26,6 +26,8 @@ public interface RuleRepository {
 
     boolean deleteById(String id);
 
+    int deleteAll();
+
     int count();
 
     /**

src/domain/rule-management/src/test/java/org/geoserver/acl/domain/rules/MemoryRuleRepository.java

@@ -128,6 +128,14 @@ public boolean deleteById(@NonNull String id) {
         return rules.removeIf(r -> id.equals(r.getId()));
     }
 
+    @Override
+    public int deleteAll() {
+        int count = rules.size();
+        layerDetails.clear();
+        rules.clear();
+        return count;
+    }
+
     @Override
     public int count() {
         return rules.size();

src/domain/rule-management/src/test/java/org/geoserver/acl/domain/rules/RuleAdminServiceIT.java

@@ -187,6 +187,26 @@ void testCreateRule_insertPosition_FromEnd(TestInfo testInfo) {
                                 r2.withPriority(5)));
     }
 
+    @Test
+    void testDeleteAll() {
+        ruleAdminService.insert(Rule.allow().withPriority(10).withLayer("L1"));
+        ruleAdminService.insert(
+                Rule.limit().withPriority(11).withLayer("L2").withRuleLimits(sampleLimits()));
+
+        Rule r3 = ruleAdminService.insert(Rule.allow().withPriority(12).withLayer("L2"));
+        ruleAdminService.setLayerDetails(r3.getId(), sampleDetails(0));
+        ruleAdminService.setAllowedStyles(r3.getId(), Set.of("style1", "style2", "style3"));
+
+        final int expected = 3;
+        assertThat(ruleAdminService.count()).isEqualTo(expected);
+
+        int ret = ruleAdminService.deleteAll();
+        assertThat(ret).isEqualTo(expected);
+        assertThat(ruleAdminService.deleteAll()).isZero();
+
+        assertThat(ruleAdminService.getAll()).isEmpty();
+    }
+
     @Test
     void testDeleteRuleById() {
         Rule r1 = ruleAdminService.insert(Rule.allow().withPriority(10).withLayer("L1"));

src/integration/openapi/java-client/src/main/java/org/geoserver/acl/api/client/integration/AdminRuleRepositoryClientAdaptor.java

@@ -129,6 +129,11 @@ public boolean deleteById(@NonNull String id) {
         }
     }
 
+    @Override
+    public int deleteAll() {
+        return apiClient.deleteAllAdminRules();
+    }
+
     @Override
     public Optional<AdminRule> findOneByPriority(long priority) {
         org.geoserver.acl.api.model.AdminRule found;

src/integration/openapi/java-client/src/main/java/org/geoserver/acl/api/client/integration/RuleRepositoryClientAdaptor.java

@@ -89,6 +89,11 @@ public boolean deleteById(@NonNull String id) {
         return true;
     }
 
+    @Override
+    public int deleteAll() {
+        return apiClient.deleteAllRules();
+    }
+
     @Override
     public int count() {
         return apiClient.countAllRules();

src/integration/openapi/spring-server/src/main/java/org/geoserver/acl/api/server/rules/DataRulesApiImpl.java

@@ -69,6 +69,12 @@ public ResponseEntity<Void> deleteRuleById(@NonNull String id) {
         return ResponseEntity.status(status).build();
     }
 
+    @Override
+    @IsAdmin
+    public ResponseEntity<Integer> deleteAllRules() {
+        return ResponseEntity.ok(service.deleteAll());
+    }
+
     @Override
     public ResponseEntity<List<Rule>> getRules(Integer limit, String nextCursor) {
         return query(RuleQuery.of(limit, nextCursor));

src/integration/openapi/spring-server/src/main/java/org/geoserver/acl/api/server/rules/WorkspaceAdminRulesApiImpl.java

@@ -69,6 +69,12 @@ public class WorkspaceAdminRulesApiImpl implements WorkspaceAdminRulesApiDelegat
         return ResponseEntity.status(deleted ? OK : NOT_FOUND).build();
     }
 
+    @Override
+    @IsAdmin
+    public ResponseEntity<Integer> deleteAllAdminRules() {
+        return ResponseEntity.ok(service.deleteAll());
+    }
+
     public @Override ResponseEntity<Boolean> adminRuleExistsById(@NonNull String id) {
         return ResponseEntity.ok(service.exists(id));
     }

src/integration/persistence-jpa/integration/src/main/java/org/geoserver/acl/integration/jpa/repository/AdminRuleRepositoryJpaAdaptor.java

@@ -276,6 +276,14 @@ public boolean deleteById(@NonNull String id) {
         return 1 == jparepo.deleteById(decodeId(id).longValue());
     }
 
+    @Override
+    @TransactionRequired
+    public int deleteAll() {
+        int count = count();
+        jparepo.deleteAll();
+        return count;
+    }
+
     private org.geoserver.acl.jpa.model.AdminRule getOrThrowIAE(@NonNull String ruleId) {
         org.geoserver.acl.jpa.model.AdminRule rule;
         try {

src/integration/persistence-jpa/integration/src/main/java/org/geoserver/acl/integration/jpa/repository/RuleRepositoryJpaAdaptor.java

@@ -275,6 +275,14 @@ public boolean deleteById(@NonNull String id) {
         return true;
     }
 
+    @Override
+    @TransactionRequired
+    public int deleteAll() {
+        int count = count();
+        jparepo.deleteAll();
+        return count;
+    }
+
     @Override
     public boolean existsById(@NonNull String id) {
         return jparepo.existsById(decodeId(id));

src/openapi/acl-api.yaml

@@ -55,6 +55,14 @@ paths:
              schema:
                type: string
                description: Error reason, including offending property names
+    delete:
+      operationId: deleteAllRules
+      description: Atomically deletes all data rules and return the number of rules removed
+      tags:
+        - DataRules
+      responses:
+        '200':
+          $ref: '#/components/responses/Count'
 
   /rules/query:
     post:
@@ -356,6 +364,15 @@ paths:
       responses:
         '201':
           $ref: '#/components/responses/AdminRule'
+    delete:
+      operationId: deleteAllAdminRules
+      description: Atomically deletes all admin rules and return the number of rules removed
+      tags:
+        - WorkspaceAdminRules
+      responses:
+        '200':
+          $ref: '#/components/responses/Count'
+
   /adminrules/query:
     post:
       parameters:
@@ -402,6 +419,7 @@ paths:
       responses:
         '200':
           $ref: '#/components/responses/Count'
+
   /adminrules/query/one/priority/{priority}:
     get:
       operationId: findOneAdminRuleByPriority