private TemplateResult updateRelation(
DataAccess access, DataTemplate template, Map<String, String> param) throws BaseException {
DataSource dataSource = getDataSource(access, param.get(Helper.Keys.SourceId));
if (dataSource.getState() != DataInformation.DataState.READY)
throw new NotReadyException("The datasource %s is not yet ready.", dataSource.getId());
String relationId = param.get(Helper.Keys.RelationId);
if (relationId == null)
throw new MissingArgumentException("The argument %s is missing!", Helper.Keys.RelationId);
String fromId = param.get(Helper.Keys.FromId);
if (fromId == null)
throw new MissingArgumentException("The argument %s is missing!", Helper.Keys.FromId);
String toId = param.get(Helper.Keys.ToId);
if (toId == null)
throw new MissingArgumentException("The argument %s is missing!", Helper.Keys.ToId);
String type = param.get(Helper.Keys.Type);
if (type == null)
throw new MissingArgumentException("The argument %s is missing!", Helper.Keys.Type);
Relation relation = dataSource.updateRelation(relationId, fromId, toId, type, param);
return template.transform(relation);
}
private TemplateResult createItem(
DataAccess access, DataTemplate template, Map<String, String> param) throws BaseException {
DataSource dataSource = getDataSource(access, param.get(Helper.Keys.SourceId));
if (dataSource.getState() != DataInformation.DataState.READY)
throw new NotReadyException("The datasource %s is not yet ready.", dataSource.getId());
Item item = dataSource.createItem(param);
return template.transform(item);
}
private TemplateResult updateUser(
DataAccess access, DataTemplate template, Map<String, String> param) throws BaseException {
DataSource dataSource = getDataSource(access, param.get(Helper.Keys.SourceId));
if (dataSource.getState() != DataInformation.DataState.READY)
throw new NotReadyException("The datasource %s is not yet ready.", dataSource.getId());
String userId = param.get(Helper.Keys.UserId);
User user = dataSource.updateUser(userId, param);
return template.transform(user);
}
private TemplateResult getUsers(
DataAccess access, DataTemplate template, Map<String, String> param) throws BaseException {
DataSource dataSource = getDataSource(access, param.get(Helper.Keys.SourceId));
if (dataSource.getState() != DataInformation.DataState.READY)
throw new NotReadyException("The datasource %s is not yet ready.", dataSource.getId());
User[] users = dataSource.getUsers();
users = Helper.applyPaging(users, param);
return template.transform(users);
}
private TemplateResult getInteraction(
DataAccess access, DataTemplate template, Map<String, String> param) throws BaseException {
DataSource dataSource = getDataSource(access, param.get(Helper.Keys.SourceId));
if (dataSource.getState() != DataInformation.DataState.READY)
throw new NotReadyException("The datasource %s is not yet ready.", dataSource.getId());
String itemId = param.get(Helper.Keys.ItemId);
String userId = param.get(Helper.Keys.UserId);
Interaction[] interaction = dataSource.getInteractions(itemId, userId);
interaction = Helper.applyPaging(interaction, param);
return template.transform(interaction);
}
private TemplateResult addInteraction(
DataAccess access, DataTemplate template, Map<String, String> param) throws BaseException {
DataSource dataSource = getDataSource(access, param.get(Helper.Keys.SourceId));
if (dataSource.getState() != DataInformation.DataState.READY)
throw new NotReadyException("The datasource %s is not yet ready.", dataSource.getId());
String itemId = param.get(Helper.Keys.ItemId);
String userId = param.get(Helper.Keys.UserId);
String type = param.get(Helper.Keys.Type);
String value = param.get(Helper.Keys.Value);
String timestamp = param.get(Helper.Keys.TimeStamp);
Date date = null;
if (timestamp != null && !timestamp.isEmpty()) {
Long t = Long.parseLong(timestamp);
if (t != null) {
date = new Date(t);
}
}
if (date == null) {
date = new Date();
}
if (dataSource.tryGetItem(itemId) == null) {
Map<String, String> temp = new HashMap<>();
temp.put(Helper.Keys.ItemId, itemId);
dataSource.createItem(temp);
}
if (dataSource.tryGetUser(userId) == null) {
Map<String, String> temp = new HashMap<>();
temp.put(Helper.Keys.UserId, userId);
dataSource.createUser(temp);
}
Message message = dataSource.addInteraction(itemId, userId, date, type, value, param);
return template.transform(message);
}
private TemplateResult getRelations(
DataAccess access, DataTemplate template, Map<String, String> param) throws BaseException {
DataSource dataSource = getDataSource(access, param.get(Helper.Keys.SourceId));
if (dataSource.getState() != DataInformation.DataState.READY)
throw new NotReadyException("The datasource %s is not yet ready.", dataSource.getId());
String relationId = param.get(Helper.Keys.RelationId);
String fromId = param.get(Helper.Keys.FromId);
String toId = param.get(Helper.Keys.ToId);
if (relationId != null) {
Relation relation = dataSource.getRelation(relationId);
return template.transform(relation);
} else if (fromId != null || toId != null) {
Relation[] relations = dataSource.getRelations(fromId, toId);
return template.transform(relations);
} else {
Relation[] relations = dataSource.getRelations();
return template.transform(relations);
}
}