| 1 | /** |
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| 2 | * |
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| 3 | */ |
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| 4 | package de.mpiwg.itgroup.annotations.restlet.annotations_ui; |
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| 5 | |
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| 6 | import java.util.List; |
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| 7 | |
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| 8 | import org.apache.log4j.Logger; |
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| 9 | import org.restlet.data.Form; |
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| 10 | import org.restlet.data.MediaType; |
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| 11 | import org.restlet.data.Reference; |
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| 12 | import org.restlet.data.Status; |
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| 13 | import org.restlet.representation.Representation; |
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| 14 | import org.restlet.representation.StringRepresentation; |
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| 15 | import org.restlet.resource.Get; |
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| 16 | import org.restlet.resource.Post; |
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| 17 | import org.restlet.resource.ServerResource; |
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| 18 | |
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| 19 | import de.mpiwg.itgroup.annotations.Actor; |
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| 20 | import de.mpiwg.itgroup.annotations.Group; |
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| 21 | import de.mpiwg.itgroup.annotations.Person; |
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| 22 | import de.mpiwg.itgroup.annotations.neo4j.AnnotationStore; |
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| 23 | import de.mpiwg.itgroup.annotations.restlet.BaseRestlet; |
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| 24 | |
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| 25 | /** |
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| 26 | * Resource class for the members of an annotation group. |
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| 27 | * |
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| 28 | * @author casties |
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| 29 | * |
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| 30 | */ |
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| 31 | public class GroupMembersResource extends ServerResource { |
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| 32 | |
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| 33 | public static Logger logger = Logger.getLogger(GroupMembersResource.class); |
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| 34 | |
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| 35 | private AnnotationStore store; |
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| 36 | |
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| 37 | /** |
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| 38 | * GET with HTML content type. Shows the members of the group. |
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| 39 | * |
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| 40 | * @param entity |
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| 41 | * @return |
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| 42 | */ |
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| 43 | @Get("html") |
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| 44 | public Representation doGetHTML(Representation entity) { |
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| 45 | // id from URI /annotations/groups/{id}/members |
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| 46 | String id = (String) getRequest().getAttributes().get("id"); |
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| 47 | logger.debug("group-id=" + id); |
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| 48 | if (id == null || id.isEmpty()) { |
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| 49 | // invalid id |
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| 50 | setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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| 51 | return null; |
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| 52 | } |
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| 53 | String result = null; |
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| 54 | store = getAnnotationStore(); |
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| 55 | Reference groupsUrl = this.getReference().getParentRef(); |
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| 56 | result = "<html><body>\n<h1>Members of group</h1>\n"; |
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| 57 | Group group = new Group(id); |
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| 58 | group = (Group) store.getActor(group); |
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| 59 | result += String.format("<p>Group: %s <a href=\"%s\">(%s)</a></p>\n", group.getName(), groupsUrl, group.getId()); |
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| 60 | result += "<p>Members:</p>\n"; |
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| 61 | result += "<table>"; |
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| 62 | List<Person> members = store.getMembersOfGroup(group); |
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| 63 | for (Person p : members) { |
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| 64 | result += String.format("<tr><td>%s</td><td>(%s)</td></tr>\n", p.getName(), p.getIdString()); |
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| 65 | } |
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| 66 | result += "</table>\n"; |
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| 67 | result += "<form method=\"post\" action=\"\">\n"; |
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| 68 | result += "<p>Add new member: <select name=\"new_member\">\n"; |
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| 69 | result += String.format("<option value=\"%s\">%s</option>\n", "casties", "casties"); |
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| 70 | result += "</select>\n"; |
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| 71 | result += "<input type=\"submit\"/>\n"; |
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| 72 | result += "</form>\n"; |
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| 73 | result += "</body>\n</html>"; |
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| 74 | |
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| 75 | return new StringRepresentation(result, MediaType.TEXT_HTML); |
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| 76 | } |
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| 77 | |
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| 78 | /** |
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| 79 | * POST creates a new Group. |
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| 80 | * |
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| 81 | * @return |
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| 82 | */ |
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| 83 | @Post |
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| 84 | public Representation doPost(Representation entity) { |
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| 85 | logger.debug("AnnotationsUiGroup doPost!"); |
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| 86 | // TODO: do authentication |
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| 87 | Form form = new Form(entity); |
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| 88 | String id = form.getFirstValue("id"); |
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| 89 | String name = form.getFirstValue("name"); |
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| 90 | if (id == null || id.isEmpty()) { |
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| 91 | // invalid id |
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| 92 | setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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| 93 | return null; |
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| 94 | } |
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| 95 | String gid = null; |
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| 96 | Group newGroup = new Group(gid, null, name); |
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| 97 | store = getAnnotationStore(); |
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| 98 | Actor storedGroup = store.storeActor(newGroup); |
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| 99 | gid = storedGroup.getId(); |
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| 100 | // return 303: see other |
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| 101 | setStatus(Status.REDIRECTION_SEE_OTHER); |
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| 102 | // go GET URL for this group |
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| 103 | Reference groupUrl = this.getReference(); |
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| 104 | groupUrl.addSegment(gid); |
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| 105 | this.getResponse().setLocationRef(groupUrl); |
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| 106 | return null; |
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| 107 | } |
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| 108 | |
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| 109 | protected AnnotationStore getAnnotationStore() { |
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| 110 | if (store == null) { |
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| 111 | store = ((BaseRestlet) getApplication()).getAnnotationStore(); |
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| 112 | } |
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| 113 | return store; |
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| 114 | } |
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| 115 | } |
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