diff options
Diffstat (limited to 'src/main/java/org/traccar/storage/DatabaseStorage.java')
| -rw-r--r-- | src/main/java/org/traccar/storage/DatabaseStorage.java | 151 |
1 files changed, 137 insertions, 14 deletions
diff --git a/src/main/java/org/traccar/storage/DatabaseStorage.java b/src/main/java/org/traccar/storage/DatabaseStorage.java index d73dc7b25..ff77ff8a8 100644 --- a/src/main/java/org/traccar/storage/DatabaseStorage.java +++ b/src/main/java/org/traccar/storage/DatabaseStorage.java @@ -1,5 +1,23 @@ +/* + * Copyright 2022 Anton Tananaev (anton@traccar.org) + * + * 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. + */ package org.traccar.storage; +import org.traccar.model.Device; +import org.traccar.model.Group; +import org.traccar.model.GroupedModel; import org.traccar.model.Permission; import org.traccar.storage.query.Columns; import org.traccar.storage.query.Condition; @@ -10,6 +28,7 @@ import org.traccar.storage.query.Request; import javax.sql.DataSource; import java.sql.SQLException; import java.util.HashMap; +import java.util.LinkedList; import java.util.List; import java.util.Map; import java.util.function.Function; @@ -27,7 +46,7 @@ public class DatabaseStorage extends Storage { public <T> List<T> getObjects(Class<T> clazz, Request request) throws StorageException { StringBuilder query = new StringBuilder("SELECT "); query.append(formatColumns(request.getColumns(), clazz, "get", c -> c)); - query.append(" FROM ").append(getTableName(clazz)); + query.append(" FROM ").append(getStorageName(clazz)); query.append(formatCondition(request.getCondition())); query.append(formatOrder(request.getOrder())); query.append(formatLimit(request.getLimit())); @@ -45,7 +64,7 @@ public class DatabaseStorage extends Storage { @Override public <T> long addObject(T entity, Request request) throws StorageException { StringBuilder query = new StringBuilder("INSERT INTO "); - query.append(getTableName(entity.getClass())); + query.append(getStorageName(entity.getClass())); query.append("("); query.append(formatColumns(request.getColumns(), entity.getClass(), "set", c -> c)); query.append(") VALUES ("); @@ -63,7 +82,7 @@ public class DatabaseStorage extends Storage { @Override public <T> void updateObject(T entity, Request request) throws StorageException { StringBuilder query = new StringBuilder("UPDATE "); - query.append(getTableName(entity.getClass())); + query.append(getStorageName(entity.getClass())); query.append(" SET "); query.append(formatColumns(request.getColumns(), entity.getClass(), "set", c -> c + " = :" + c)); query.append(formatCondition(request.getCondition())); @@ -82,7 +101,7 @@ public class DatabaseStorage extends Storage { @Override public void removeObject(Class<?> clazz, Request request) throws StorageException { StringBuilder query = new StringBuilder("DELETE FROM "); - query.append(getTableName(clazz)); + query.append(getStorageName(clazz)); query.append(formatCondition(request.getCondition())); try { QueryBuilder builder = QueryBuilder.create(dataSource, query.toString()); @@ -96,9 +115,20 @@ public class DatabaseStorage extends Storage { } @Override - public List<Permission> getPermissions(Class<?> ownerClass, Class<?> propertyClass) throws StorageException { + public List<Permission> getPermissions( + Class<?> ownerClass, long ownerId, Class<?> propertyClass, long propertyId) throws StorageException { StringBuilder query = new StringBuilder("SELECT * FROM "); query.append(Permission.getStorageName(ownerClass, propertyClass)); + var conditions = new LinkedList<Condition>(); + if (ownerId > 0) { + conditions.add(new Condition.Equals( + Permission.getKey(ownerClass), Permission.getKey(ownerClass), ownerId)); + } + if (propertyId > 0) { + conditions.add(new Condition.Equals( + Permission.getKey(propertyClass), Permission.getKey(propertyClass), propertyId)); + } + query.append(formatCondition(Condition.merge(conditions))); try { QueryBuilder builder = QueryBuilder.create(dataSource, query.toString()); return builder.executePermissionsQuery(); @@ -143,7 +173,7 @@ public class DatabaseStorage extends Storage { } } - private String getTableName(Class<?> clazz) throws StorageException { + private String getStorageName(Class<?> clazz) throws StorageException { StorageName storageName = clazz.getAnnotation(StorageName.class); if (storageName == null) { throw new StorageException("StorageName annotation is missing"); @@ -154,18 +184,25 @@ public class DatabaseStorage extends Storage { private Map<String, Object> getConditionVariables(Condition genericCondition) { Map<String, Object> results = new HashMap<>(); if (genericCondition instanceof Condition.Compare) { - Condition.Compare condition = (Condition.Compare) genericCondition; + var condition = (Condition.Compare) genericCondition; if (condition.getValue() != null) { results.put(condition.getVariable(), condition.getValue()); } } else if (genericCondition instanceof Condition.Between) { - Condition.Between condition = (Condition.Between) genericCondition; + var condition = (Condition.Between) genericCondition; results.put(condition.getFromVariable(), condition.getFromValue()); results.put(condition.getToVariable(), condition.getToValue()); } else if (genericCondition instanceof Condition.Binary) { - Condition.Binary condition = (Condition.Binary) genericCondition; + var condition = (Condition.Binary) genericCondition; results.putAll(getConditionVariables(condition.getFirst())); results.putAll(getConditionVariables(condition.getSecond())); + } else if (genericCondition instanceof Condition.Permission) { + var condition = (Condition.Permission) genericCondition; + if (condition.getOwnerId() > 0) { + results.put(Permission.getKey(condition.getOwnerClass()), condition.getOwnerId()); + } else { + results.put(Permission.getKey(condition.getPropertyClass()), condition.getPropertyId()); + } } return results; } @@ -175,11 +212,11 @@ public class DatabaseStorage extends Storage { return columns.getColumns(clazz, type).stream().map(mapper).collect(Collectors.joining(", ")); } - private String formatCondition(Condition genericCondition) { + private String formatCondition(Condition genericCondition) throws StorageException { return formatCondition(genericCondition, true); } - private String formatCondition(Condition genericCondition, boolean appendWhere) { + private String formatCondition(Condition genericCondition, boolean appendWhere) throws StorageException { StringBuilder result = new StringBuilder(); if (genericCondition != null) { if (appendWhere) { @@ -187,7 +224,7 @@ public class DatabaseStorage extends Storage { } if (genericCondition instanceof Condition.Compare) { - Condition.Compare condition = (Condition.Compare) genericCondition; + var condition = (Condition.Compare) genericCondition; result.append(condition.getColumn()); result.append(" "); result.append(condition.getOperator()); @@ -196,7 +233,7 @@ public class DatabaseStorage extends Storage { } else if (genericCondition instanceof Condition.Between) { - Condition.Between condition = (Condition.Between) genericCondition; + var condition = (Condition.Between) genericCondition; result.append(condition.getColumn()); result.append(" BETWEEN :"); result.append(condition.getFromVariable()); @@ -205,13 +242,20 @@ public class DatabaseStorage extends Storage { } else if (genericCondition instanceof Condition.Binary) { - Condition.Binary condition = (Condition.Binary) genericCondition; + var condition = (Condition.Binary) genericCondition; result.append(formatCondition(condition.getFirst(), false)); result.append(" "); result.append(condition.getOperator()); result.append(" "); result.append(formatCondition(condition.getSecond(), false)); + } else if (genericCondition instanceof Condition.Permission) { + + var condition = (Condition.Permission) genericCondition; + result.append("id IN ("); + result.append(formatPermissionQuery(condition)); + result.append(")"); + } } return result.toString(); @@ -238,4 +282,83 @@ public class DatabaseStorage extends Storage { return result.toString(); } + private String formatPermissionQuery(Condition.Permission condition) throws StorageException { + StringBuilder result = new StringBuilder(); + + String outputKey; + String conditionKey; + if (condition.getOwnerId() > 0) { + outputKey = Permission.getKey(condition.getPropertyClass()); + conditionKey = Permission.getKey(condition.getOwnerClass()); + } else { + outputKey = Permission.getKey(condition.getOwnerClass()); + conditionKey = Permission.getKey(condition.getPropertyClass()); + } + + result.append("SELECT "); + result.append(outputKey); + result.append(" FROM "); + result.append(Permission.getStorageName(condition.getOwnerClass(), condition.getPropertyClass())); + result.append(" WHERE "); + result.append(conditionKey); + result.append(" = :"); + result.append(conditionKey); + + if (condition.getIncludeGroups()) { + + boolean expandDevices; + String groupStorageName; + if (GroupedModel.class.isAssignableFrom(condition.getOwnerClass())) { + expandDevices = Device.class.isAssignableFrom(condition.getOwnerClass()); + groupStorageName = Permission.getStorageName(Group.class, condition.getPropertyClass()); + } else { + expandDevices = Device.class.isAssignableFrom(condition.getPropertyClass()); + groupStorageName = Permission.getStorageName(condition.getOwnerClass(), Group.class); + } + + result.append(" UNION "); + + result.append("SELECT DISTINCT "); + result.append(expandDevices? "devices." : "groups."); // TODO handle reverse search (e.g. users by device) + result.append(outputKey); + result.append(" FROM "); + result.append(groupStorageName); + + result.append(" INNER JOIN ("); + result.append("SELECT id as parentid, id as groupid FROM "); + result.append(getStorageName(Group.class)); + result.append(" UNION "); + result.append("SELECT groupid as parentid, id as groupid FROM "); + result.append(getStorageName(Group.class)); + result.append(" WHERE groupid IS NOT NULL"); + result.append(" UNION "); + result.append("SELECT g2.groupid as parentid, g1.id as groupid FROM "); + result.append(getStorageName(Group.class)); + result.append(" AS g2"); + result.append(" INNER JOIN "); + result.append(getStorageName(Group.class)); + result.append(" AS g1 ON g2.id = g1.groupid"); + result.append(" WHERE g2.groupid IS NOT NULL"); + result.append(") AS groups ON "); + result.append(groupStorageName); + result.append(".groupid = groups.parentid"); + + if (expandDevices) { + result.append(" INNER JOIN ("); + result.append("SELECT groupid as parentid, id as deviceid FROM "); + result.append(getStorageName(Device.class)); + result.append(" WHERE groupid IS NOT NULL"); + result.append(") AS devices ON groups.groupid = devices.parentid"); + } + + result.append(" WHERE "); + result.append(conditionKey); // TODO handle search for device / group + result.append(" = :"); + result.append(conditionKey); + + } + + return result.toString(); + } + } |