Examples with StatusManager gov.usgs.cida.coastalhazards.jpa.StatusManager used on opensource projects

Example 6 with StatusManager

use of gov.usgs.cida.coastalhazards.jpa.StatusManager in project coastal-hazards by USGS-CIDA.

the class ItemResource method getItem.

/**
 * Retrieves representation of an instance of
 * gov.usgs.cida.coastalhazards.model.Item
 *
 * @param id identifier of requested item
 * @param subtree whether to return all items below this as a subtree
 * @param request request object
 * @return JSON representation of the item(s)
 */
@GET
@Path("/{id}")
@Produces(MediaType.APPLICATION_JSON)
public Response getItem(@PathParam("id") String id, @DefaultValue("false") @QueryParam("subtree") boolean subtree, @Context Request request) {
    Response response = null;
    Item item = null;
    try (StatusManager statusMan = new StatusManager()) {
        try (ItemManager itemManager = new ItemManager()) {
            item = itemManager.load(id);
        }
        if (item == null) {
            throw new NotFoundException();
        } else {
            // Check when the item and/or structure was last modified, if at all.
            // - If both are null, use today's date.
            // - If one of the two is not null, use that.
            // - Else, if both are not null, use the latest between them.
            Status lastItemUpdate = statusMan.load(Status.StatusName.ITEM_UPDATE);
            Status lastStructureUpdate = statusMan.load(Status.StatusName.STRUCTURE_UPDATE);
            Date modified = new Date();
            if (lastItemUpdate != null && lastStructureUpdate != null) {
                // Both updates exist, so compare between them and choose the latest
                Date lastItemUpdateDate = lastItemUpdate.getLastUpdate();
                Date lastStructureUpdateDate = lastStructureUpdate.getLastUpdate();
                modified = lastItemUpdateDate.after(lastStructureUpdateDate) ? lastItemUpdateDate : lastStructureUpdateDate;
            } else {
                // least one exists and use that.
                if (lastItemUpdate != null) {
                    modified = lastItemUpdate.getLastUpdate();
                }
                if (lastStructureUpdate != null) {
                    modified = lastStructureUpdate.getLastUpdate();
                }
            }
            Response unmodified = HTTPCachingUtil.checkModified(request, modified);
            if (unmodified != null) {
                response = unmodified;
            } else {
                String jsonResult = item.toJSON(subtree);
                response = Response.ok(jsonResult, MediaType.APPLICATION_JSON_TYPE).lastModified(modified).build();
            }
        }
    }
    return response;
}

Example 7 with StatusManager

use of gov.usgs.cida.coastalhazards.jpa.StatusManager in project coastal-hazards by USGS-CIDA.

the class ItemResource method updateItem.

/**
 * @param request
 * @param id
 * @param content
 * @return
 */
@RolesAllowed({ CoastalHazardsTokenBasedSecurityFilter.CCH_ADMIN_ROLE })
@PUT
@Path("/{id}")
@Consumes(MediaType.APPLICATION_JSON)
public Response updateItem(@Context HttpServletRequest request, @PathParam("id") String id, String content) {
    Response response = null;
    try (ItemManager itemManager = new ItemManager()) {
        Item dbItem = itemManager.load(id);
        Item updatedItem = Item.fromJSON(content);
        String trackId = null;
        // If this is a storm going from active to inactive then remove the track item
        if (dbItem.getType() == Item.Type.storms && !updatedItem.isActiveStorm() && dbItem.isActiveStorm()) {
            Integer trackIndex = null;
            // Find Track Child
            for (Item child : updatedItem.getChildren()) {
                if (child.getName().equals("track")) {
                    trackId = child.getId();
                    trackIndex = updatedItem.getChildren().indexOf(child);
                    break;
                }
            }
            // Remove Track Child
            if (trackId != null && trackIndex != null) {
                updatedItem.getChildren().remove(trackIndex.intValue());
            }
        }
        Item mergedItem = Item.copyValues(updatedItem, dbItem);
        String mergedId = null;
        if (dbItem == null) {
            mergedId = itemManager.persist(mergedItem);
        } else {
            mergedId = itemManager.merge(mergedItem);
        }
        if (null != mergedId) {
            // Delete the storm track item once the storm has been successfully saved
            if (trackId != null) {
                itemManager.delete(trackId, true);
            }
            response = Response.ok().build();
        } else {
            throw new BadRequestException();
        }
        try (StatusManager statusMan = new StatusManager();
            ThumbnailManager thumbMan = new ThumbnailManager()) {
            Status status = new Status();
            status.setStatusName(Status.StatusName.ITEM_UPDATE);
            statusMan.save(status);
            thumbMan.updateDirtyBits(id);
        }
    }
    return response;
}

Example 8 with StatusManager

use of gov.usgs.cida.coastalhazards.jpa.StatusManager in project coastal-hazards by USGS-CIDA.

the class ItemResource method deleteItem.

@RolesAllowed({ CoastalHazardsTokenBasedSecurityFilter.CCH_ADMIN_ROLE })
@DELETE
@Path("/{id}")
public Response deleteItem(@Context HttpServletRequest request, @PathParam("id") String id, @QueryParam("deleteChildren") boolean deleteChildren) {
    Response response = null;
    try (ItemManager itemManager = new ItemManager()) {
        if (itemManager.isOrphan(id)) {
            if (itemManager.delete(id, deleteChildren)) {
                response = Response.ok().build();
            } else {
                throw new Error();
            }
            try (StatusManager statusMan = new StatusManager();
                ThumbnailManager thumbMan = new ThumbnailManager()) {
                Status status = new Status();
                status.setStatusName(Status.StatusName.ITEM_UPDATE);
                statusMan.save(status);
                thumbMan.updateDirtyBits(id);
            }
        } else {
            response = Response.status(400).build();
        }
    }
    return response;
}

Example 9 with StatusManager

use of gov.usgs.cida.coastalhazards.jpa.StatusManager in project coastal-hazards by USGS-CIDA.

the class AliasResource method getItemForAlias.

@GET
@Path("/{id}/item")
@Produces(MediaType.APPLICATION_JSON)
public Response getItemForAlias(@PathParam("id") String id, @DefaultValue("false") @QueryParam("subtree") boolean subtree, @Context Request request) {
    Response response = null;
    try (AliasManager aliasManager = new AliasManager()) {
        Alias alias = aliasManager.load(id);
        Item item = null;
        try (StatusManager statusMan = new StatusManager()) {
            try (ItemManager itemManager = new ItemManager()) {
                item = itemManager.load(alias.getItemId());
            }
            if (item == null) {
                throw new NotFoundException();
            } else {
                // Check when the item and/or structure was last modified, if at all.
                // - If both are null, use today's date.
                // - If one of the two is not null, use that.
                // - Else, if both are not null, use the latest between them.
                Status lastItemUpdate = statusMan.load(Status.StatusName.ITEM_UPDATE);
                Status lastStructureUpdate = statusMan.load(Status.StatusName.STRUCTURE_UPDATE);
                Date modified = new Date();
                if (lastItemUpdate != null && lastStructureUpdate != null) {
                    // Both updates exist, so compare between them and choose the latest
                    Date lastItemUpdateDate = lastItemUpdate.getLastUpdate();
                    Date lastStructureUpdateDate = lastStructureUpdate.getLastUpdate();
                    modified = lastItemUpdateDate.after(lastStructureUpdateDate) ? lastItemUpdateDate : lastStructureUpdateDate;
                } else {
                    // least one exists and use that.
                    if (lastItemUpdate != null) {
                        modified = lastItemUpdate.getLastUpdate();
                    }
                    if (lastStructureUpdate != null) {
                        modified = lastStructureUpdate.getLastUpdate();
                    }
                }
                Response unmodified = HTTPCachingUtil.checkModified(request, modified);
                if (unmodified != null) {
                    response = unmodified;
                } else {
                    String jsonResult = item.toJSON(subtree);
                    response = Response.ok(jsonResult, MediaType.APPLICATION_JSON_TYPE).lastModified(modified).build();
                }
            }
        }
    }
    return response;
}