Add APIs for getting registered tags and categories

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/response/Category.java

@@ -0,0 +1,39 @@
+package org.wso2.carbon.device.application.mgt.common.response;/* Copyright (c) 2019, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you 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.
+ */
+
+public class Category {
+
+    private String categoryName;
+
+    private boolean isCategoryDeletable;
+
+    public String getCategoryName() {
+        return categoryName;
+    }
+
+    public void setCategoryName(String categoryName) {
+        this.categoryName = categoryName;
+    }
+
+    public boolean isCategoryDeletable() {
+        return isCategoryDeletable;
+    }
+
+    public void setCategoryDeletable(boolean categoryDeletable) {
+        isCategoryDeletable = categoryDeletable;
+    }
+}

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/response/Tag.java

@@ -0,0 +1,39 @@
+package org.wso2.carbon.device.application.mgt.common.response;/* Copyright (c) 2019, Entgra (Pvt) Ltd. (http://www.entgra.io) All Rights Reserved.
+ *
+ * Entgra (Pvt) Ltd. licenses this file to you 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.
+ */
+
+public class Tag {
+
+    private String tagName;
+
+    private boolean isTagDeletable;
+
+    public String getTagName() {
+        return tagName;
+    }
+
+    public void setTagName(String tagName) {
+        this.tagName = tagName;
+    }
+
+    public boolean isTagDeletable() {
+        return isTagDeletable;
+    }
+
+    public void setTagDeletable(boolean tagDeletable) {
+        isTagDeletable = tagDeletable;
+    }
+}

components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/services/ApplicationManager.java

@@ -29,6 +29,8 @@ import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManage
 import org.wso2.carbon.device.application.mgt.common.exception.RequestValidatingException;
 import org.wso2.carbon.device.application.mgt.common.response.Application;
 import org.wso2.carbon.device.application.mgt.common.response.ApplicationRelease;
+import org.wso2.carbon.device.application.mgt.common.response.Category;
+import org.wso2.carbon.device.application.mgt.common.response.Tag;
 import org.wso2.carbon.device.application.mgt.common.wrapper.ApplicationReleaseWrapper;
 import org.wso2.carbon.device.application.mgt.common.wrapper.ApplicationUpdateWrapper;
 import org.wso2.carbon.device.application.mgt.common.wrapper.ApplicationWrapper;
@@ -228,4 +230,8 @@ public interface ApplicationManager {
 
     void addAplicationCategories(List<String> categories) throws ApplicationManagementException;
 
+    List<Tag> getRegisteredTags() throws ApplicationManagementException;
+
+    List<Category> getRegisteredCategories() throws ApplicationManagementException;
+
 }

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/ApplicationDAO.java

@@ -53,6 +53,8 @@ public interface ApplicationDAO {
 
     List<Integer> getTagIdsForTagNames (List<String> tagNames, int tenantId) throws ApplicationManagementDAOException;
 
+    List<Integer> getDistinctTagIdsInTagMapping() throws ApplicationManagementDAOException;
+
     void addTagMapping (List<Integer>  tagIds, int applicationId, int tenantId) throws ApplicationManagementDAOException;
 
     List<String> getAppTags(int appId, int tenantId) throws ApplicationManagementDAOException;
@@ -65,6 +67,8 @@ public interface ApplicationDAO {
 
     List<CategoryDTO> getAllCategories(int tenantId) throws ApplicationManagementDAOException;
 
+    List<Integer> getDistinctCategoryIdsInCategoryMapping() throws ApplicationManagementDAOException;
+
     void addCategories(List<String> categories, int tenantId) throws ApplicationManagementDAOException;
 
     void addCategoryMapping(List<Integer> categoryIds, int applicationId, int tenantId)

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/GenericApplicationDAOImpl.java

@@ -746,6 +746,34 @@ public class GenericApplicationDAOImpl extends AbstractDAOImpl implements Applic
         }
     }
 
+    @Override
+    public List<Integer> getDistinctCategoryIdsInCategoryMapping() throws ApplicationManagementDAOException {
+        if (log.isDebugEnabled()) {
+            log.debug("Request received in DAO Layer to get distinct category ids for given tag names");
+        }
+        try {
+            Connection conn = this.getDBConnection();
+            List<Integer> distinctCategoryIds = new ArrayList<>();
+            String sql = "SELECT DISTINCT AP_APP_CATEGORY.ID AS ID FROM AP_APP_CATEGORY";
+            try (PreparedStatement ps = conn.prepareStatement(sql)) {
+                try (ResultSet rs = ps.executeQuery()) {
+                    while (rs.next()) {
+                        distinctCategoryIds.add(rs.getInt("ID"));
+                    }
+                }
+            }
+            return distinctCategoryIds;
+        } catch (DBConnectionException e) {
+            throw new ApplicationManagementDAOException(
+                    "Error occurred while obtaining the DB connection when getting distinct category ids in tag mapping",
+                    e);
+        } catch (SQLException e) {
+            throw new ApplicationManagementDAOException(
+                    "Error occurred while getting distinct category ids in tag mapping", e);
+        }
+    }
+
+
     @Override
     public void addCategories(List<String> categories, int tenantId) throws ApplicationManagementDAOException {
         if (log.isDebugEnabled()) {
@@ -872,6 +900,31 @@ public class GenericApplicationDAOImpl extends AbstractDAOImpl implements Applic
         }
     }
 
+    @Override
+    public List<Integer> getDistinctTagIdsInTagMapping() throws ApplicationManagementDAOException {
+        if (log.isDebugEnabled()) {
+            log.debug("Request received in DAO Layer to get distinct tag ids for given tag names");
+        }
+        try {
+            Connection conn = this.getDBConnection();
+            List<Integer> distinctTagIds = new ArrayList<>();
+            String sql = "SELECT DISTINCT AP_APP_TAG.ID AS ID FROM AP_APP_TAG";
+            try (PreparedStatement ps = conn.prepareStatement(sql)) {
+                try (ResultSet rs = ps.executeQuery()) {
+                    while (rs.next()) {
+                        distinctTagIds.add(rs.getInt("ID"));
+                    }
+                }
+            }
+            return distinctTagIds;
+        } catch (DBConnectionException e) {
+            throw new ApplicationManagementDAOException(
+                    "Error occurred while obtaining the DB connection when getting distinct tag ids in tag mapping", e);
+        } catch (SQLException e) {
+            throw new ApplicationManagementDAOException("Error occurred while getting distinct tag ids in tag mapping", e);
+        }
+    }
+
     public void addTagMapping (List<Integer>  tagIds, int applicationId, int tenantId) throws ApplicationManagementDAOException {
         if (log.isDebugEnabled()) {
             log.debug("Request received in DAO Layer to add tags");

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/ApplicationManagerImpl.java

@@ -50,6 +50,8 @@ import org.wso2.carbon.device.application.mgt.common.exception.ResourceManagemen
 import org.wso2.carbon.device.application.mgt.common.exception.TransactionManagementException;
 import org.wso2.carbon.device.application.mgt.common.response.Application;
 import org.wso2.carbon.device.application.mgt.common.response.ApplicationRelease;
+import org.wso2.carbon.device.application.mgt.common.response.Category;
+import org.wso2.carbon.device.application.mgt.common.response.Tag;
 import org.wso2.carbon.device.application.mgt.common.services.ApplicationManager;
 import org.wso2.carbon.device.application.mgt.common.services.ApplicationStorageManager;
 import org.wso2.carbon.device.application.mgt.common.wrapper.ApplicationReleaseWrapper;
@@ -1845,6 +1847,57 @@ public class ApplicationManagerImpl implements ApplicationManager {
         }
     }
 
+    @Override
+    public List<Tag> getRegisteredTags() throws ApplicationManagementException {
+        int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
+        try {
+            ConnectionManagerUtil.openDBConnection();
+            List<TagDTO> tags = applicationDAO.getAllTags(tenantId);
+            List<Integer> mappedTagIds = applicationDAO.getDistinctTagIdsInTagMapping();
+            List<Tag> responseTagList = new ArrayList<>();
+            tags.forEach(tag -> {
+                Tag responseTag = new Tag();
+                if (!mappedTagIds.contains(tag.getId())) {
+                    responseTag.setTagDeletable(true);
+                }
+                responseTag.setTagName(tag.getTagName());
+                responseTagList.add(responseTag);
+            });
+            return responseTagList;
+        } catch (ApplicationManagementDAOException e) {
+            String msg = "Error occurred when getting registered tags from the system.";
+            log.error(msg);
+            throw new ApplicationManagementException(msg);
+        } finally {
+            ConnectionManagerUtil.closeDBConnection();
+        }
+    }
+
+    public List<Category> getRegisteredCategories() throws ApplicationManagementException {
+        int tenantId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
+        try {
+            ConnectionManagerUtil.openDBConnection();
+            List<CategoryDTO> categories = applicationDAO.getAllCategories(tenantId);
+            List<Integer> mappedCategoryIds = applicationDAO.getDistinctCategoryIdsInCategoryMapping();
+            List<Category> responseCategoryList = new ArrayList<>();
+            categories.forEach(category -> {
+                Category responseCategory = new Category();
+                if (!mappedCategoryIds.contains(category.getId())) {
+                    responseCategory.setCategoryDeletable(true);
+                }
+                responseCategory.setCategoryName(category.getCategoryName());
+                responseCategoryList.add(responseCategory);
+            });
+            return responseCategoryList;
+        } catch (ApplicationManagementDAOException e) {
+            String msg = "Error occurred when getting registered tags from the system.";
+            log.error(msg);
+            throw new ApplicationManagementException(msg);
+        } finally {
+            ConnectionManagerUtil.closeDBConnection();
+        }
+    }
+
     private void validateFilter(Filter filter) throws BadRequestException {
         if (filter == null) {
             String msg = "Filter validation is failed, Filter shouldn't be null, hence please verify the request payload";

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/lifecycle/LifecycleStateManager.java

@@ -29,7 +29,6 @@ import org.wso2.carbon.user.api.UserRealm;
 import org.wso2.carbon.user.api.UserStoreException;
 
 import java.util.HashMap;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 

components/application-mgt/org.wso2.carbon.device.application.mgt.publisher.api/src/main/java/org/wso2/carbon/device/application/mgt/publisher/api/services/ApplicationManagementPublisherAPI.java

@@ -772,11 +772,6 @@ public interface ApplicationManagementPublisherAPI {
                             code = 200,
                             message = "OK. \n Successfully got Lifecycle Config.",
                             response = ApplicationList.class),
-                    @ApiResponse(
-                            code = 404,
-                            message = "Not Found. There doesn't have an defined <LifecycleStates> in app management "
-                                    + "configuration file." +
-                                    "query."),
                     @ApiResponse(
                             code = 500,
                             message = "Internal Server Error. \n Error occurred while getting the lifecycle config.",
@@ -784,4 +779,62 @@ public interface ApplicationManagementPublisherAPI {
             })
     Response getLifecycleConfig();
 
+    @GET
+    @Path("/tags")
+    @Produces(MediaType.APPLICATION_JSON)
+    @ApiOperation(
+            consumes = MediaType.APPLICATION_JSON,
+            produces = MediaType.APPLICATION_JSON,
+            httpMethod = "GET",
+            value = "get registered application tags",
+            notes = "This will get registered application tags",
+            tags = "Application Management",
+            extensions = {
+                    @Extension(properties = {
+                            @ExtensionProperty(name = SCOPE, value = "perm:app:publisher:update")
+                    })
+            }
+    )
+    @ApiResponses(
+            value = {
+                    @ApiResponse(
+                            code = 200,
+                            message = "OK. \n Successfully got Application tags.",
+                            response = ApplicationList.class),
+                    @ApiResponse(
+                            code = 500,
+                            message = "Internal Server Error. \n Error occurred while getting application tags.",
+                            response = ErrorResponse.class)
+            })
+    Response getTags();
+
+    @GET
+    @Path("/categories")
+    @Produces(MediaType.APPLICATION_JSON)
+    @ApiOperation(
+            consumes = MediaType.APPLICATION_JSON,
+            produces = MediaType.APPLICATION_JSON,
+            httpMethod = "GET",
+            value = "get registered application categories",
+            notes = "This will get registered application categories.",
+            tags = "Application Management",
+            extensions = {
+                    @Extension(properties = {
+                            @ExtensionProperty(name = SCOPE, value = "perm:app:publisher:update")
+                    })
+            }
+    )
+    @ApiResponses(
+            value = {
+                    @ApiResponse(
+                            code = 200,
+                            message = "OK. \n Successfully got application categories.",
+                            response = ApplicationList.class),
+                    @ApiResponse(
+                            code = 500,
+                            message = "Internal Server Error. \n Error occurred while getting application categories.",
+                            response = ErrorResponse.class)
+            })
+    Response getCategories();
+
 }

components/application-mgt/org.wso2.carbon.device.application.mgt.publisher.api/src/main/java/org/wso2/carbon/device/application/mgt/publisher/api/services/impl/ApplicationManagementPublisherAPIImpl.java

@@ -27,6 +27,8 @@ import org.wso2.carbon.device.application.mgt.common.exception.LifecycleManageme
 import org.wso2.carbon.device.application.mgt.common.exception.RequestValidatingException;
 import org.wso2.carbon.device.application.mgt.common.response.Application;
 import org.wso2.carbon.device.application.mgt.common.response.ApplicationRelease;
+import org.wso2.carbon.device.application.mgt.common.response.Category;
+import org.wso2.carbon.device.application.mgt.common.response.Tag;
 import org.wso2.carbon.device.application.mgt.common.services.AppmDataHandler;
 import org.wso2.carbon.device.application.mgt.common.wrapper.ApplicationReleaseWrapper;
 import org.wso2.carbon.device.application.mgt.common.wrapper.ApplicationUpdateWrapper;
@@ -476,6 +478,38 @@ public class ApplicationManagementPublisherAPIImpl implements ApplicationManagem
         }
     }
 
+    @GET
+    @Override
+    @Consumes("application/json")
+    @Path("/tags")
+    public Response getTags() {
+        ApplicationManager applicationManager = APIUtil.getApplicationManager();
+        try {
+            List<Tag> tags = applicationManager.getRegisteredTags();
+            return Response.status(Response.Status.OK).entity(tags).build();
+        } catch (ApplicationManagementException e) {
+            String msg = "Error Occurred while getting registered tags.";
+            log.error(msg);
+            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
+        }
+    }
+
+    @GET
+    @Override
+    @Consumes("application/json")
+    @Path("/categories")
+    public Response getCategories() {
+        ApplicationManager applicationManager = APIUtil.getApplicationManager();
+        try {
+            List<Category> categories = applicationManager.getRegisteredCategories();
+            return Response.status(Response.Status.OK).entity(categories).build();
+        } catch (ApplicationManagementException e) {
+            String msg = "Error Occurred while getting registered categories.";
+            log.error(msg);
+            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(msg).build();
+        }
+    }
+
     /***
      * Construct the screenshot list by evaluating the availability of each screenshot.
      *