#20: Audit log displayed on main screen

docs-core/src/main/java/com/sismics/docs/core/constant/AuditLogType.java

@@ -0,0 +1,23 @@
+package com.sismics.docs.core.constant;
+
+/**
+ * Audit log types. 
+ *
+ * @author bgamard 
+ */
+public enum AuditLogType {
+    /**
+     * Create.
+     */
+    CREATE,
+    
+    /**
+     * Update.
+     */
+    UPDATE,
+
+    /**
+     * Delete.
+     */
+    DELETE
+}

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/AclDao.java

@@ -9,9 +9,11 @@ import javax.persistence.EntityManager;
 import javax.persistence.Query;
 
 import com.sismics.docs.core.constant.AclTargetType;
+import com.sismics.docs.core.constant.AuditLogType;
 import com.sismics.docs.core.constant.PermType;
 import com.sismics.docs.core.dao.jpa.dto.AclDto;
 import com.sismics.docs.core.model.jpa.Acl;
+import com.sismics.docs.core.util.AuditLogUtil;
 import com.sismics.util.context.ThreadLocalContext;
 
 /**
@@ -35,6 +37,9 @@ public class AclDao {
         EntityManager em = ThreadLocalContext.get().getEntityManager();
         em.persist(acl);
         
+        // Create audit log
+        AuditLogUtil.create(acl, AuditLogType.CREATE);
+        
         return acl.getId();
     }
     
@@ -121,9 +126,22 @@ public class AclDao {
      * @param perm Permission
      * @param targetId Target ID
      */
+    @SuppressWarnings("unchecked")
     public void delete(String sourceId, PermType perm, String targetId) {
         EntityManager em = ThreadLocalContext.get().getEntityManager();
-        Query q = em.createQuery("update Acl a set a.deleteDate = :dateNow where a.sourceId = :sourceId and a.perm = :perm and a.targetId = :targetId");
+        
+        // Create audit log
+        Query q = em.createQuery("from Acl a where a.sourceId = :sourceId and a.perm = :perm and a.targetId = :targetId");
+        q.setParameter("sourceId", sourceId);
+        q.setParameter("perm", perm);
+        q.setParameter("targetId", targetId);
+        List<Acl> aclList = q.getResultList();
+        for (Acl acl : aclList) {
+            AuditLogUtil.create(acl, AuditLogType.DELETE);
+        }
+        
+        // Soft delete the ACLs
+        q = em.createQuery("update Acl a set a.deleteDate = :dateNow where a.sourceId = :sourceId and a.perm = :perm and a.targetId = :targetId");
         q.setParameter("sourceId", sourceId);
         q.setParameter("perm", perm);
         q.setParameter("targetId", targetId);

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/AuditLogDao.java

@@ -0,0 +1,108 @@
+package com.sismics.docs.core.dao.jpa;
+
+import java.sql.Timestamp;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import javax.persistence.EntityManager;
+
+import com.google.common.base.Joiner;
+import com.sismics.docs.core.constant.AuditLogType;
+import com.sismics.docs.core.dao.jpa.criteria.AuditLogCriteria;
+import com.sismics.docs.core.dao.jpa.dto.AuditLogDto;
+import com.sismics.docs.core.model.jpa.AuditLog;
+import com.sismics.docs.core.util.jpa.PaginatedList;
+import com.sismics.docs.core.util.jpa.PaginatedLists;
+import com.sismics.docs.core.util.jpa.QueryParam;
+import com.sismics.docs.core.util.jpa.SortCriteria;
+import com.sismics.util.context.ThreadLocalContext;
+
+/**
+ * Audit log DAO.
+ * 
+ * @author bgamard
+ */
+public class AuditLogDao {
+    /**
+     * Creates a new audit log.
+     * 
+     * @param auditLog Audit log
+     * @return New ID
+     * @throws Exception
+     */
+    public String create(AuditLog auditLog) {
+        // Create the UUID
+        auditLog.setId(UUID.randomUUID().toString());
+        
+        // Create the audit log
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        auditLog.setCreateDate(new Date());
+        em.persist(auditLog);
+        
+        return auditLog.getId();
+    }
+    
+    /**
+     * Searches audit logs by criteria.
+     * 
+     * @param paginatedList List of audit logs (updated by side effects)
+     * @param criteria Search criteria
+     * @param sortCriteria Sort criteria
+     * @return List of audit logs
+     * @throws Exception 
+     */
+    public void findByCriteria(PaginatedList<AuditLogDto> paginatedList, AuditLogCriteria criteria, SortCriteria sortCriteria) throws Exception {
+        Map<String, Object> parameterMap = new HashMap<String, Object>();
+        List<String> criteriaList = new ArrayList<String>();
+        
+        StringBuilder sb = new StringBuilder("select l.LOG_ID_C c0, l.LOG_CREATEDATE_D c1, l.LOG_IDENTITY_C c2, l.LOG_CLASSENTITY_C c3, l.LOG_TYPE_C c4, l.LOG_MESSAGE_C c5 ");
+        sb.append(" from T_AUDIT_LOG l ");
+        
+        // Adds search criteria
+        if (criteria.getDocumentId() != null) {
+            // ACL on document is not checked here, it's assumed
+            StringBuilder sb0 = new StringBuilder(" (l.LOG_IDENTITY_C = :documentId and l.LOG_CLASSENTITY_C = 'Document' ");
+            sb0.append(" or l.LOG_IDENTITY_C in (select f.FIL_ID_C from T_FILE f where f.FIL_IDDOC_C = :documentId) and l.LOG_CLASSENTITY_C = 'File' ");
+            sb0.append(" or l.LOG_IDENTITY_C in (select a.ACL_ID_C from T_ACL a where a.ACL_SOURCEID_C = :documentId) and l.LOG_CLASSENTITY_C = 'Acl') ");
+            criteriaList.add(sb0.toString());
+            parameterMap.put("documentId", criteria.getDocumentId());
+        }
+        
+        if (criteria.getUserId() != null) {
+            StringBuilder sb0 = new StringBuilder(" (l.LOG_IDENTITY_C = :userId and l.LOG_CLASSENTITY_C = 'User' ");
+            sb0.append(" or l.LOG_IDENTITY_C in (select t.TAG_ID_C from T_TAG t where t.TAG_IDUSER_C = :userId) and l.LOG_CLASSENTITY_C = 'Tag' ");
+            sb0.append(" or l.LOG_IDENTITY_C in (select d.DOC_ID_C from T_DOCUMENT d where d.DOC_IDUSER_C = :userId) and l.LOG_CLASSENTITY_C = 'Document') ");
+            criteriaList.add(sb0.toString());
+            parameterMap.put("userId", criteria.getUserId());
+        }
+        
+        if (!criteriaList.isEmpty()) {
+            sb.append(" where ");
+            sb.append(Joiner.on(" and ").join(criteriaList));
+        }
+        
+        // Perform the search
+        QueryParam queryParam = new QueryParam(sb.toString(), parameterMap);
+        List<Object[]> l = PaginatedLists.executePaginatedQuery(paginatedList, queryParam, sortCriteria);
+        
+        // Assemble results
+        List<AuditLogDto> auditLogDtoList = new ArrayList<AuditLogDto>();
+        for (Object[] o : l) {
+            int i = 0;
+            AuditLogDto auditLogDto = new AuditLogDto();
+            auditLogDto.setId((String) o[i++]);
+            auditLogDto.setCreateTimestamp(((Timestamp) o[i++]).getTime());
+            auditLogDto.setEntityId((String) o[i++]);
+            auditLogDto.setEntityClass((String) o[i++]);
+            auditLogDto.setType(AuditLogType.valueOf((String) o[i++]));
+            auditLogDto.setMessage((String) o[i++]);
+            auditLogDtoList.add(auditLogDto);
+        }
+
+        paginatedList.setResultList(auditLogDtoList);
+    }
+}

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/DocumentDao.java

@@ -15,11 +15,13 @@ import javax.persistence.Query;
 
 import com.google.common.base.Joiner;
 import com.google.common.base.Strings;
+import com.sismics.docs.core.constant.AuditLogType;
 import com.sismics.docs.core.constant.PermType;
 import com.sismics.docs.core.dao.jpa.criteria.DocumentCriteria;
 import com.sismics.docs.core.dao.jpa.dto.DocumentDto;
 import com.sismics.docs.core.dao.lucene.LuceneDao;
 import com.sismics.docs.core.model.jpa.Document;
+import com.sismics.docs.core.util.AuditLogUtil;
 import com.sismics.docs.core.util.jpa.PaginatedList;
 import com.sismics.docs.core.util.jpa.PaginatedLists;
 import com.sismics.docs.core.util.jpa.QueryParam;
@@ -47,6 +49,9 @@ public class DocumentDao {
         EntityManager em = ThreadLocalContext.get().getEntityManager();
         em.persist(document);
         
+        // Create audit log
+        AuditLogUtil.create(document, AuditLogType.CREATE);
+        
         return document.getId();
     }
     
@@ -145,6 +150,9 @@ public class DocumentDao {
         q.setParameter("documentId", id);
         q.setParameter("dateNow", dateNow);
         q.executeUpdate();
+        
+        // Create audit log
+        AuditLogUtil.create(documentDb, AuditLogType.DELETE);
     }
     
     /**
@@ -167,6 +175,7 @@ public class DocumentDao {
      * 
      * @param paginatedList List of documents (updated by side effects)
      * @param criteria Search criteria
+     * @param sortCriteria Sort criteria
      * @return List of documents
      * @throws Exception 
      */
@@ -248,4 +257,30 @@ public class DocumentDao {
 
         paginatedList.setResultList(documentDtoList);
     }
+
+    /**
+     * Update a document.
+     * 
+     * @param document Document to update
+     * @return Updated document
+     */
+    public Document update(Document document) {
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        
+        // Get the document
+        Query q = em.createQuery("select d from Document d where d.id = :id and d.deleteDate is null");
+        q.setParameter("id", document.getId());
+        Document documentFromDb = (Document) q.getSingleResult();
+        
+        // Update the document
+        documentFromDb.setTitle(document.getTitle());
+        documentFromDb.setDescription(document.getDescription());
+        documentFromDb.setCreateDate(document.getCreateDate());
+        documentFromDb.setLanguage(document.getLanguage());
+        
+        // Create audit log
+        AuditLogUtil.create(documentFromDb, AuditLogType.UPDATE);
+        
+        return documentFromDb;
+    }
 }

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/FileDao.java

@@ -8,7 +8,9 @@ import javax.persistence.EntityManager;
 import javax.persistence.NoResultException;
 import javax.persistence.Query;
 
+import com.sismics.docs.core.constant.AuditLogType;
 import com.sismics.docs.core.model.jpa.File;
+import com.sismics.docs.core.util.AuditLogUtil;
 import com.sismics.util.context.ThreadLocalContext;
 
 /**
@@ -33,6 +35,9 @@ public class FileDao {
         file.setCreateDate(new Date());
         em.persist(file);
         
+        // Create audit log
+        AuditLogUtil.create(file, AuditLogType.CREATE);
+        
         return file.getId();
     }
     
@@ -92,6 +97,9 @@ public class FileDao {
         // Delete the file
         Date dateNow = new Date();
         fileDb.setDeleteDate(dateNow);
+        
+        // Create audit log
+        AuditLogUtil.create(fileDb, AuditLogType.DELETE);
     }
     
     /**
@@ -113,6 +121,9 @@ public class FileDao {
         fileFromDb.setContent(file.getContent());
         fileFromDb.setOrder(file.getOrder());
         
+        // Create audit log
+        AuditLogUtil.create(fileFromDb, AuditLogType.UPDATE);
+        
         return file;
     }
     

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/TagDao.java

@@ -1,15 +1,22 @@
 package com.sismics.docs.core.dao.jpa;
 
-import com.sismics.docs.core.dao.jpa.dto.TagDto;
-import com.sismics.docs.core.dao.jpa.dto.TagStatDto;
-import com.sismics.docs.core.model.jpa.DocumentTag;
-import com.sismics.docs.core.model.jpa.Tag;
-import com.sismics.util.context.ThreadLocalContext;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
 
 import javax.persistence.EntityManager;
 import javax.persistence.NoResultException;
 import javax.persistence.Query;
-import java.util.*;
+
+import com.sismics.docs.core.constant.AuditLogType;
+import com.sismics.docs.core.dao.jpa.dto.TagDto;
+import com.sismics.docs.core.dao.jpa.dto.TagStatDto;
+import com.sismics.docs.core.model.jpa.DocumentTag;
+import com.sismics.docs.core.model.jpa.Tag;
+import com.sismics.docs.core.util.AuditLogUtil;
+import com.sismics.util.context.ThreadLocalContext;
 
 /**
  * Tag DAO.
@@ -153,6 +160,9 @@ public class TagDao {
         tag.setCreateDate(new Date());
         em.persist(tag);
         
+        // Create audit log
+        AuditLogUtil.create(tag, AuditLogType.CREATE);
+        
         return tag.getId();
     }
 
@@ -213,6 +223,9 @@ public class TagDao {
         q = em.createQuery("delete DocumentTag dt where dt.tagId = :tagId");
         q.setParameter("tagId", tagId);
         q.executeUpdate();
+        
+        // Create audit log
+        AuditLogUtil.create(tagDb, AuditLogType.DELETE);
     }
 
     /**
@@ -229,4 +242,28 @@ public class TagDao {
         q.setParameter("name", "%" + name + "%");
         return q.getResultList();
     }
+    
+    /**
+     * Update a tag.
+     * 
+     * @param tag Tag to update
+     * @return Updated tag
+     */
+    public Tag update(Tag tag) {
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        
+        // Get the tag
+        Query q = em.createQuery("select t from Tag t where t.id = :id and t.deleteDate is null");
+        q.setParameter("id", tag.getId());
+        Tag tagFromDb = (Tag) q.getSingleResult();
+        
+        // Update the tag
+        tagFromDb.setName(tag.getName());
+        tagFromDb.setColor(tag.getColor());
+        
+        // Create audit log
+        AuditLogUtil.create(tagFromDb, AuditLogType.UPDATE);
+        
+        return tagFromDb;
+    }
 }

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/UserDao.java

@@ -15,10 +15,12 @@ import javax.persistence.Query;
 import org.mindrot.jbcrypt.BCrypt;
 
 import com.google.common.base.Joiner;
+import com.sismics.docs.core.constant.AuditLogType;
 import com.sismics.docs.core.constant.Constants;
 import com.sismics.docs.core.dao.jpa.criteria.UserCriteria;
 import com.sismics.docs.core.dao.jpa.dto.UserDto;
 import com.sismics.docs.core.model.jpa.User;
+import com.sismics.docs.core.util.AuditLogUtil;
 import com.sismics.docs.core.util.jpa.PaginatedList;
 import com.sismics.docs.core.util.jpa.PaginatedLists;
 import com.sismics.docs.core.util.jpa.QueryParam;
@@ -73,11 +75,15 @@ public class UserDao {
             throw new Exception("AlreadyExistingUsername");
         }
         
+        // Create the user
         user.setCreateDate(new Date());
         user.setPassword(hashPassword(user.getPassword()));
         user.setTheme(Constants.DEFAULT_THEME_ID);
         em.persist(user);
         
+        // Create audit log
+        AuditLogUtil.create(user, AuditLogType.CREATE);
+        
         return user.getId();
     }
     
@@ -101,6 +107,9 @@ public class UserDao {
         userFromDb.setTheme(user.getTheme());
         userFromDb.setFirstConnection(user.isFirstConnection());
         
+        // Create audit log
+        AuditLogUtil.create(userFromDb, AuditLogType.UPDATE);
+        
         return user;
     }
     
@@ -121,6 +130,9 @@ public class UserDao {
         // Update the user
         userFromDb.setPassword(hashPassword(user.getPassword()));
         
+        // Create audit log
+        AuditLogUtil.create(userFromDb, AuditLogType.UPDATE);
+        
         return user;
     }
 
@@ -194,6 +206,9 @@ public class UserDao {
         q = em.createQuery("delete from AuthenticationToken at where at.userId = :userId");
         q.setParameter("userId", userFromDb.getId());
         q.executeUpdate();
+        
+        // Create audit log
+        AuditLogUtil.create(userFromDb, AuditLogType.DELETE);
     }
 
     /**

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/criteria/AuditLogCriteria.java

@@ -0,0 +1,36 @@
+package com.sismics.docs.core.dao.jpa.criteria;
+
+
+
+/**
+ * Audit log criteria.
+ *
+ * @author bgamard 
+ */
+public class AuditLogCriteria {
+    /**
+     * Document ID.
+     */
+    private String documentId;
+
+    /**
+     * User ID.
+     */
+    private String userId;
+    
+    public String getDocumentId() {
+        return documentId;
+    }
+
+    public void setDocumentId(String documentId) {
+        this.documentId = documentId;
+    }
+
+    public String getUserId() {
+        return userId;
+    }
+
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+}

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/dto/AuditLogDto.java

@@ -0,0 +1,91 @@
+package com.sismics.docs.core.dao.jpa.dto;
+
+import javax.persistence.Id;
+
+import com.sismics.docs.core.constant.AuditLogType;
+
+/**
+ * Audit log DTO.
+ *
+ * @author bgamard 
+ */
+public class AuditLogDto {
+    /**
+     * Audit log ID.
+     */
+    @Id
+    private String id;
+    
+    /**
+     * Entity ID.
+     */
+    private String entityId;
+    
+    /**
+     * Entity class.
+     */
+    private String entityClass;
+    
+    /**
+     * Audit log type.
+     */
+    private AuditLogType type;
+    
+    /**
+     * Audit log message.
+     */
+    private String message;
+    
+    /**
+     * Creation date.
+     */
+    private Long createTimestamp;
+    
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+    
+    public String getEntityId() {
+        return entityId;
+    }
+
+    public void setEntityId(String entityId) {
+        this.entityId = entityId;
+    }
+
+    public String getEntityClass() {
+        return entityClass;
+    }
+
+    public void setEntityClass(String entityClass) {
+        this.entityClass = entityClass;
+    }
+
+    public AuditLogType getType() {
+        return type;
+    }
+
+    public void setType(AuditLogType type) {
+        this.type = type;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public Long getCreateTimestamp() {
+        return createTimestamp;
+    }
+
+    public void setCreateTimestamp(Long createTimestamp) {
+        this.createTimestamp = createTimestamp;
+    }
+}

docs-core/src/main/java/com/sismics/docs/core/model/jpa/Acl.java

@@ -4,6 +4,7 @@ import java.util.Date;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.EntityListeners;
 import javax.persistence.EnumType;
 import javax.persistence.Enumerated;
 import javax.persistence.Id;
@@ -11,6 +12,7 @@ import javax.persistence.Table;
 
 import com.google.common.base.Objects;
 import com.sismics.docs.core.constant.PermType;
+import com.sismics.docs.core.util.AuditLogUtil;
 
 /**
  * ACL entity.
@@ -18,8 +20,9 @@ import com.sismics.docs.core.constant.PermType;
  * @author bgamard
  */
 @Entity
+@EntityListeners(AuditLogUtil.class)
 @Table(name = "T_ACL")
-public class Acl {
+public class Acl implements Loggable {
     /**
      * ACL ID.
      */
@@ -84,6 +87,7 @@ public class Acl {
         this.targetId = targetId;
     }
     
+    @Override
     public Date getDeleteDate() {
         return deleteDate;
     }
@@ -101,4 +105,9 @@ public class Acl {
                 .add("targetId", targetId)
                 .toString();
     }
+
+    @Override
+    public String toMessage() {
+        return perm.name();
+    }
 }

docs-core/src/main/java/com/sismics/docs/core/model/jpa/AuditLog.java

@@ -0,0 +1,178 @@
+package com.sismics.docs.core.model.jpa;
+
+import java.util.Date;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import com.google.common.base.Objects;
+import com.sismics.docs.core.constant.AuditLogType;
+
+/**
+ * Audit log.
+ * 
+ * @author bgamard
+ */
+@Entity
+@Table(name = "T_AUDIT_LOG")
+public class AuditLog {
+    /**
+     * Audit log ID.
+     */
+    @Id
+    @Column(name = "LOG_ID_C", length = 36)
+    private String id;
+    
+    /**
+     * Entity ID.
+     */
+    @Column(name = "LOG_IDENTITY_C", nullable = false, length = 36)
+    private String entityId;
+    
+    /**
+     * Entity class.
+     */
+    @Column(name = "LOG_CLASSENTITY_C", nullable = false, length = 50)
+    private String entityClass;
+    
+    /**
+     * Audit log type.
+     */
+    @Column(name = "LOG_TYPE_C", nullable = false, length = 50)
+    @Enumerated(EnumType.STRING)
+    private AuditLogType type;
+    
+    /**
+     * Audit log message.
+     */
+    @Column(name = "LOG_MESSAGE_C", length = 1000)
+    private String message;
+    
+    /**
+     * Creation date.
+     */
+    @Column(name = "LOG_CREATEDATE_D", nullable = false)
+    private Date createDate;
+    
+    /**
+     * Getter of id.
+     *
+     * @return id
+     */
+    public String getId() {
+        return id;
+    }
+
+    /**
+     * Setter of id.
+     *
+     * @param id id
+     */
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    /**
+     * Getter of entityId.
+     * 
+     * @return entityId
+     */
+    public String getEntityId() {
+        return entityId;
+    }
+
+    /**
+     * Setter of entityId.
+     *
+     * @param entityId entityId
+     */
+    public void setEntityId(String entityId) {
+        this.entityId = entityId;
+    }
+
+    /**
+     * Getter of entityClass.
+     * 
+     * @return entityClass
+     */
+    public String getEntityClass() {
+        return entityClass;
+    }
+
+    /**
+     * Setter of entityClass.
+     *
+     * @param entityClass entityClass
+     */
+    public void setEntityClass(String entityClass) {
+        this.entityClass = entityClass;
+    }
+    
+    /**
+     * Getter of message.
+     * 
+     * @return message
+     */
+    public String getMessage() {
+        return message;
+    }
+
+    /**
+     * Setter of message.
+     *
+     * @param message message
+     */
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    /**
+     * Getter of type.
+     * 
+     * @return type
+     */
+    public AuditLogType getType() {
+        return type;
+    }
+
+    /**
+     * Setter of type.
+     *
+     * @param type type
+     */
+    public void setType(AuditLogType type) {
+        this.type = type;
+    }
+
+    /**
+     * Getter of createDate.
+     *
+     * @return createDate
+     */
+    public Date getCreateDate() {
+        return createDate;
+    }
+
+    /**
+     * Setter of createDate.
+     *
+     * @param createDate createDate
+     */
+    public void setCreateDate(Date createDate) {
+        this.createDate = createDate;
+    }
+    
+    @Override
+    public String toString() {
+        return Objects.toStringHelper(this)
+                .add("id", id)
+                .add("entityId", entityId)
+                .add("entityClass", entityClass)
+                .add("type", type)
+                .toString();
+    }
+}

docs-core/src/main/java/com/sismics/docs/core/model/jpa/Document.java

@@ -1,11 +1,14 @@
 package com.sismics.docs.core.model.jpa;
 
 import com.google.common.base.Objects;
+import com.sismics.docs.core.util.AuditLogUtil;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.EntityListeners;
 import javax.persistence.Id;
 import javax.persistence.Table;
+
 import java.util.Date;
 
 /**
@@ -14,8 +17,9 @@ import java.util.Date;
  * @author bgamard
  */
 @Entity
+@EntityListeners(AuditLogUtil.class)
 @Table(name = "T_DOCUMENT")
-public class Document {
+public class Document implements Loggable {
     /**
      * Document ID.
      */
@@ -172,6 +176,7 @@ public class Document {
      *
      * @return the deleteDate
      */
+    @Override
     public Date getDeleteDate() {
         return deleteDate;
     }
@@ -191,4 +196,9 @@ public class Document {
                 .add("id", id)
                 .toString();
     }
+
+    @Override
+    public String toMessage() {
+        return title;
+    }
 }

docs-core/src/main/java/com/sismics/docs/core/model/jpa/File.java

@@ -1,12 +1,15 @@
 package com.sismics.docs.core.model.jpa;
 
 import com.google.common.base.Objects;
+import com.sismics.docs.core.util.AuditLogUtil;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.EntityListeners;
 import javax.persistence.Id;
 import javax.persistence.Lob;
 import javax.persistence.Table;
+
 import java.util.Date;
 
 /**
@@ -15,8 +18,9 @@ import java.util.Date;
  * @author bgamard
  */
 @Entity
+@EntityListeners(AuditLogUtil.class)
 @Table(name = "T_FILE")
-public class File {
+public class File implements Loggable {
     /**
      * File ID.
      */
@@ -144,6 +148,7 @@ public class File {
      *
      * @return the deleteDate
      */
+    @Override
     public Date getDeleteDate() {
         return deleteDate;
     }
@@ -217,4 +222,9 @@ public class File {
                 .add("id", id)
                 .toString();
     }
+
+    @Override
+    public String toMessage() {
+        return documentId;
+    }
 }

docs-core/src/main/java/com/sismics/docs/core/model/jpa/Loggable.java

@@ -0,0 +1,25 @@
+package com.sismics.docs.core.model.jpa;
+
+import java.util.Date;
+
+/**
+ * An entity which can be logged.
+ * 
+ * @author bgamard
+ */
+public interface Loggable {
+    /**
+     * Get a string representation of this entity for logging purpose.
+     * Avoid returning sensitive data like passwords.
+     * 
+     * @return Entity message
+     */
+    public String toMessage();
+    
+    /**
+     * Loggable are soft deletable.
+     * 
+     * @return deleteDate
+     */
+    public Date getDeleteDate();
+}

docs-core/src/main/java/com/sismics/docs/core/model/jpa/Tag.java

@@ -1,11 +1,14 @@
 package com.sismics.docs.core.model.jpa;
 
 import com.google.common.base.Objects;
+import com.sismics.docs.core.util.AuditLogUtil;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.EntityListeners;
 import javax.persistence.Id;
 import javax.persistence.Table;
+
 import java.util.Date;
 
 /**
@@ -14,8 +17,9 @@ import java.util.Date;
  * @author bgamard
  */
 @Entity
+@EntityListeners(AuditLogUtil.class)
 @Table(name = "T_TAG")
-public class Tag {
+public class Tag implements Loggable {
     /**
      * Tag ID.
      */
@@ -148,6 +152,7 @@ public class Tag {
      *
      * @return deleteDate
      */
+    @Override
     public Date getDeleteDate() {
         return deleteDate;
     }
@@ -168,4 +173,9 @@ public class Tag {
                 .add("name", name)
                 .toString();
     }
+
+    @Override
+    public String toMessage() {
+        return name;
+    }
 }

docs-core/src/main/java/com/sismics/docs/core/model/jpa/User.java

@@ -1,12 +1,15 @@
 package com.sismics.docs.core.model.jpa;
 
-import com.google.common.base.Objects;
+import java.util.Date;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.EntityListeners;
 import javax.persistence.Id;
 import javax.persistence.Table;
-import java.util.Date;
+
+import com.google.common.base.Objects;
+import com.sismics.docs.core.util.AuditLogUtil;
 
 /**
  * User entity.
@@ -14,8 +17,9 @@ import java.util.Date;
  * @author jtremeaux
  */
 @Entity
+@EntityListeners(AuditLogUtil.class)
 @Table(name = "T_USER")
-public class User {
+public class User implements Loggable {
     /**
      * User ID.
      */
@@ -250,6 +254,7 @@ public class User {
      *
      * @return deleteDate
      */
+    @Override
     public Date getDeleteDate() {
         return deleteDate;
     }
@@ -286,4 +291,9 @@ public class User {
                 .add("username", username)
                 .toString();
     }
+
+    @Override
+    public String toMessage() {
+        return username;
+    }
 }

docs-core/src/main/java/com/sismics/docs/core/util/AuditLogUtil.java

@@ -0,0 +1,37 @@
+package com.sismics.docs.core.util;
+
+import javax.persistence.EntityManager;
+
+import com.sismics.docs.core.constant.AuditLogType;
+import com.sismics.docs.core.dao.jpa.AuditLogDao;
+import com.sismics.docs.core.model.jpa.AuditLog;
+import com.sismics.docs.core.model.jpa.Loggable;
+import com.sismics.util.context.ThreadLocalContext;
+
+/**
+ * Audit log utilities.
+ * 
+ * @author bgamard
+ */
+public class AuditLogUtil {
+    /**
+     * Create an audit log.
+     * 
+     * @param entity Entity
+     * @param type Audit log type
+     */
+    public static void create(Loggable loggable, AuditLogType type) {
+        // Get the entity ID
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        String entityId = (String) em.getEntityManagerFactory().getPersistenceUnitUtil().getIdentifier(loggable);
+        
+        // Create the audit log
+        AuditLogDao auditLogDao = new AuditLogDao();
+        AuditLog auditLog = new AuditLog();
+        auditLog.setEntityId(entityId);
+        auditLog.setEntityClass(loggable.getClass().getSimpleName());
+        auditLog.setType(type);
+        auditLog.setMessage(loggable.toMessage());
+        auditLogDao.create(auditLog);
+    }
+}

docs-core/src/main/resources/META-INF/persistence.xml

@@ -17,5 +17,6 @@
     <class>com.sismics.docs.core.model.jpa.DocumentTag</class>
     <class>com.sismics.docs.core.model.jpa.Share</class>
     <class>com.sismics.docs.core.model.jpa.Acl</class>
+    <class>com.sismics.docs.core.model.jpa.AuditLog</class>
   </persistence-unit>
 </persistence>

docs-core/src/main/resources/db/update/dbupdate-010-0.sql

@@ -1,4 +1,6 @@
 alter table T_FILE alter column FIL_IDUSER_C set not null;
 alter table T_AUTHENTICATION_TOKEN add column AUT_IP_C varchar(45);
 alter table T_AUTHENTICATION_TOKEN add column AUT_UA_C varchar(1000);
+create cached table T_AUDIT_LOG ( LOG_ID_C varchar(36) not null, LOG_IDENTITY_C varchar(36) not null, LOG_CLASSENTITY_C varchar(50) not null, LOG_TYPE_C varchar(50) not null, LOG_MESSAGE_C varchar(1000), LOG_CREATEDATE_D datetime, primary key (LOG_ID_C) );
+create index IDX_LOG_COMPOSITE on T_AUDIT_LOG (LOG_IDENTITY_C, LOG_CLASSENTITY_C);
 update T_CONFIG set CFG_VALUE_C='10' where CFG_ID_C='DB_VERSION';