Server side tag system

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

@@ -127,6 +127,8 @@ public class DocumentDao {
             parameterMap.put("search", "%" + criteria.getSearch() + "%");
         }
         
+        criteriaList.add("d.DOC_DELETEDATE_D is null");
+        
         if (!criteriaList.isEmpty()) {
             sb.append(" where ");
             sb.append(Joiner.on(" and ").join(criteriaList));

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

@@ -0,0 +1,182 @@
+package com.sismics.docs.core.dao.jpa;
+
+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 com.sismics.docs.core.dao.jpa.dto.TagDto;
+import com.sismics.docs.core.model.jpa.DocumentTag;
+import com.sismics.docs.core.model.jpa.Tag;
+import com.sismics.util.context.ThreadLocalContext;
+
+/**
+ * Tag DAO.
+ * 
+ * @author bgamard
+ */
+public class TagDao {
+    /**
+     * Gets a tag by its ID.
+     * 
+     * @param id Tag ID
+     * @return Tag
+     */
+    public Tag getById(String id) {
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        try {
+            return em.find(Tag.class, id);
+        } catch (NoResultException e) {
+            return null;
+        }
+    }
+    
+    /**
+     * Returns the list of all tags.
+     * 
+     * @return List of tags
+     */
+    @SuppressWarnings("unchecked")
+    public List<Tag> getByUserId(String userId) {
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        Query q = em.createQuery("select t from Tag t where t.userId = :userId and t.deleteDate is null order by t.id");
+        q.setParameter("userId", userId);
+        return q.getResultList();
+    }
+
+    /**
+     * Update tags on a document.
+     * 
+     * @param documentId
+     * @param tagIdSet
+     */
+    public void updateTagList(String documentId, Set<String> tagIdSet) {
+        // Delete old tag links
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        Query q = em.createQuery("delete DocumentTag dt where dt.documentId = :documentId");
+        q.setParameter("documentId", documentId);
+        q.executeUpdate();
+        
+        // Create new tag links
+        for (String tagId : tagIdSet) {
+            DocumentTag documentTag = new DocumentTag();
+            documentTag.setId(UUID.randomUUID().toString());
+            documentTag.setDocumentId(documentId);
+            documentTag.setTagId(tagId);
+            em.persist(documentTag);
+        }
+
+    }
+
+    /**
+     * Returns tag list on a document.
+     * @param documentId
+     * @return
+     */
+    @SuppressWarnings("unchecked")
+    public List<TagDto> getByDocumentId(String documentId) {
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        StringBuilder sb = new StringBuilder("select t.TAG_ID_C, t.TAG_NAME_C from T_DOCUMENT_TAG dt ");
+        sb.append(" join T_TAG t on t.TAG_ID_C = dt.DOT_IDTAG_C ");
+        sb.append(" where dt.DOT_IDDOCUMENT_C = :documentId and t.TAG_DELETEDATE_D is null ");
+        
+        // Perform the query
+        Query q = em.createNativeQuery(sb.toString());
+        q.setParameter("documentId", documentId);
+        List<Object[]> l = q.getResultList();
+        
+        // Assemble results
+        List<TagDto> tagDtoList = new ArrayList<TagDto>();
+        for (Object[] o : l) {
+            int i = 0;
+            TagDto tagDto = new TagDto();
+            tagDto.setId((String) o[i++]);
+            tagDto.setName((String) o[i++]);
+            tagDtoList.add(tagDto);
+        }
+        return tagDtoList;
+    }
+    
+    /**
+     * Creates a new tag.
+     * 
+     * @param tag Tag
+     * @return New ID
+     * @throws Exception
+     */
+    public String create(Tag tag) {
+        // Create the UUID
+        tag.setId(UUID.randomUUID().toString());
+        
+        // Create the tag
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        tag.setCreateDate(new Date());
+        em.persist(tag);
+        
+        return tag.getId();
+    }
+
+    /**
+     * Returns a tag by user ID and name.
+     * @param userId User ID
+     * @param name Name
+     * @return Tag
+     */
+    public Tag getByUserIdAndName(String userId, String name) {
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        Query q = em.createQuery("select t from Tag t where t.name = :name and t.userId = :userId and t.deleteDate is null");
+        q.setParameter("userId", userId);
+        q.setParameter("name", name);
+        try {
+            return (Tag) q.getSingleResult();
+        } catch (NoResultException e) {
+            return null;
+        }
+    }
+    
+    /**
+     * Returns a tag by user ID and name.
+     * @param userId User ID
+     * @param tagId Tag ID
+     * @return Tag
+     */
+    public Tag getByUserIdAndTagId(String userId, String tagId) {
+        EntityManager em = ThreadLocalContext.get().getEntityManager();
+        Query q = em.createQuery("select t from Tag t where t.id = :tagId and t.userId = :userId and t.deleteDate is null");
+        q.setParameter("userId", userId);
+        q.setParameter("tagId", tagId);
+        try {
+            return (Tag) q.getSingleResult();
+        } catch (NoResultException e) {
+            return null;
+        }
+    }
+    
+    /**
+     * Deletes a tag.
+     * 
+     * @param tagId Tag ID
+     */
+    public void delete(String tagId) {
+        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", tagId);
+        Tag tagDb = (Tag) q.getSingleResult();
+        
+        // Delete the tag
+        Date dateNow = new Date();
+        tagDb.setDeleteDate(dateNow);
+
+        // Delete linked data
+        q = em.createQuery("delete DocumentTag dt where dt.tagId = :tagId");
+        q.setParameter("tagId", tagId);
+        q.executeUpdate();
+    }
+}

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

@@ -5,7 +5,7 @@ import javax.persistence.Id;
 /**
  * Document DTO.
  *
- * @author jtremeaux 
+ * @author bgamard 
  */
 public class DocumentDto {
     /**

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

@@ -0,0 +1,57 @@
+package com.sismics.docs.core.dao.jpa.dto;
+
+import javax.persistence.Id;
+
+/**
+ * Tag DTO.
+ *
+ * @author bgamard 
+ */
+public class TagDto {
+    /**
+     * Tag ID.
+     */
+    @Id
+    private String id;
+    
+    /**
+     * Name.
+     */
+    private String name;
+
+    /**
+     * Getter of id.
+     *
+     * @return the id
+     */
+    public String getId() {
+        return id;
+    }
+
+    /**
+     * Setter of id.
+     *
+     * @param id id
+     */
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    /**
+     * Getter of name.
+     *
+     * @return the name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Setter of name.
+     *
+     * @param name name
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+}

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

@@ -0,0 +1,107 @@
+package com.sismics.docs.core.model.jpa;
+
+import java.io.Serializable;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import com.google.common.base.Objects;
+
+/**
+ * Link between a document and a tag.
+ * 
+ * @author bgamard
+ */
+@Entity
+@Table(name = "T_DOCUMENT_TAG")
+public class DocumentTag implements Serializable {
+    /**
+     * Serial version UID.
+     */
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * Document tag ID.
+     */
+    @Id
+    @Column(name = "DOT_ID_C", length = 36)
+    private String id;
+    
+    /**
+     * Document ID.
+     */
+    @Id
+    @Column(name = "DOT_IDDOCUMENT_C", length = 36)
+    private String documentId;
+    
+    /**
+     * Tag ID.
+     */
+    @Id
+    @Column(name = "DOT_IDTAG_C", length = 36)
+    private String tagId;
+
+    /**
+     * 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 de documentId.
+     *
+     * @return the documentId
+     */
+    public String getDocumentId() {
+        return documentId;
+    }
+
+    /**
+     * Setter de documentId.
+     *
+     * @param documentId documentId
+     */
+    public void setDocumentId(String documentId) {
+        this.documentId = documentId;
+    }
+
+    /**
+     * Getter de tagId.
+     *
+     * @return the tagId
+     */
+    public String getTagId() {
+        return tagId;
+    }
+
+    /**
+     * Setter de tagId.
+     *
+     * @param tagId tagId
+     */
+    public void setTagId(String tagId) {
+        this.tagId = tagId;
+    }
+
+    @Override
+    public String toString() {
+        return Objects.toStringHelper(this)
+                .add("documentId", documentId)
+                .add("tagId", tagId)
+                .toString();
+    }
+}

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

@@ -0,0 +1,148 @@
+package com.sismics.docs.core.model.jpa;
+
+import java.util.Date;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import com.google.common.base.Objects;
+
+/**
+ * Tag.
+ * 
+ * @author bgamard
+ */
+@Entity
+@Table(name = "T_TAG")
+public class Tag {
+    /**
+     * Tag ID.
+     */
+    @Id
+    @Column(name = "TAG_ID_C", length = 36)
+    private String id;
+    
+    /**
+     * Tag name.
+     */
+    @Column(name = "TAG_NAME_C", nullable = false, length = 36)
+    private String name;
+    
+    /**
+     * User ID.
+     */
+    @Column(name = "TAG_IDUSER_C", nullable = false, length = 36)
+    private String userId;
+    
+    /**
+     * Creation date.
+     */
+    @Column(name = "TAG_CREATEDATE_D", nullable = false)
+    private Date createDate;
+    
+    /**
+     * Deletion date.
+     */
+    @Column(name = "TAG_DELETEDATE_D")
+    private Date deleteDate;
+
+    /**
+     * 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 userId.
+     *
+     * @return the userId
+     */
+    public String getUserId() {
+        return userId;
+    }
+
+    /**
+     * Setter of userId.
+     *
+     * @param userId userId
+     */
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
+    /**
+     * Getter of name.
+     *
+     * @return name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Setter of name.
+     *
+     * @param name name
+     */
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     * Getter of createDate.
+     *
+     * @return createDate
+     */
+    public Date getCreateDate() {
+        return createDate;
+    }
+
+    /**
+     * Setter of createDate.
+     *
+     * @param createDate createDate
+     */
+    public void setCreateDate(Date createDate) {
+        this.createDate = createDate;
+    }
+
+    /**
+     * Getter of deleteDate.
+     *
+     * @return deleteDate
+     */
+    public Date getDeleteDate() {
+        return deleteDate;
+    }
+
+    /**
+     * Setter of deleteDate.
+     *
+     * @param deleteDate deleteDate
+     */
+    public void setDeleteDate(Date deleteDate) {
+        this.deleteDate = deleteDate;
+    }
+
+    @Override
+    public String toString() {
+        return Objects.toStringHelper(this)
+                .add("id", id)
+                .add("name", name)
+                .toString();
+    }
+}