Add resource collection /rest/v1/actions to Management REST API (#1299)

* Initial commit

Signed-off-by: Stefan Behl <stefan.behl@bosch.io>

* Added filtering by RSQL

Signed-off-by: Stefan Behl <stefan.behl@bosch.io>

* Support for filtering actions by distribution set, target, rollout

* Added REST docs

* Fixed REST docs

* Introduce a config property which allows to disable the actions endpoint

* Introduce representation mode parameter

* Adapt REST docs

* Incorporate review findings

* Adapt REST docs

* Improve unit tests

* Minor improvements

* Fix REST docs

* Fix REST docs

* Fix PR review findings

Signed-off-by: Stefan Behl <stefan.behl@bosch.io>

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/DeploymentManagement.java

@@ -217,6 +217,16 @@ public interface DeploymentManagement {
     @PreAuthorize(SpringEvalExpressions.HAS_AUTH_READ_TARGET)
     long countActionsAll();
 
+    /**
+     * Counts the actions which match the given query.
+     * 
+     * @param rsqlParam
+     *            RSQL query.
+     * @return the total number of actions matching the given RSQL query.
+     */
+    @PreAuthorize(SpringEvalExpressions.HAS_AUTH_READ_TARGET)
+    long countActions(@NotNull String rsqlParam);
+
     /**
      * Counts all actions associated to a specific target.
      *
@@ -274,6 +284,19 @@ public interface DeploymentManagement {
     @PreAuthorize(SpringEvalExpressions.HAS_AUTH_READ_TARGET)
     Slice<Action> findActionsAll(@NotNull Pageable pageable);
 
+    /**
+     * Retrieves all {@link Action} entities which match the given RSQL query.
+     * 
+     * @param rsqlParam
+     *            RSQL query string
+     * @param pageable
+     *            the page request parameter for paging and sorting the result
+     * 
+     * @return a paged list of {@link Action}s.
+     */
+    @PreAuthorize(SpringEvalExpressions.HAS_AUTH_READ_TARGET)
+    Slice<Action> findActions(@NotNull String rsqlParam, @NotNull Pageable pageable);
+
     /**
      * Retrieves all {@link Action} which assigned to a specific
      * {@link DistributionSet}.