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package it.niedermann.nextcloud.deck.api;
import android.util.Log;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
import it.niedermann.nextcloud.deck.DeckConsts;
import it.niedermann.nextcloud.deck.DeckLog;
import it.niedermann.nextcloud.deck.model.Board;
import it.niedermann.nextcloud.deck.model.Card;
import it.niedermann.nextcloud.deck.model.Label;
import it.niedermann.nextcloud.deck.model.Stack;
import it.niedermann.nextcloud.deck.model.User;
public class JsonToEntityParser {
private static SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ssZ");
static {
formatter.setTimeZone(TimeZone.getTimeZone("UTC"));
}
protected static <T> T parseJsonObject(JsonObject obj, Class<T> mType) {
if(mType == Board.class) {
return (T) parseBoard(obj);
} else if (mType == Card.class) {
return (T) parseCard(obj);
} else if (mType == Stack.class) {
return (T) parseStack(obj);
} else if (mType == Label.class) {
return (T) parseLabel(obj);
}
throw new IllegalArgumentException("unregistered type: "+mType.getCanonicalName());
}
protected static Board parseBoard(JsonObject e) {
DeckLog.log(e.toString());
Board board = new Board();
board.setTitle(getNullAsEmptyString(e.get("title")));
board.setId(e.get("id").getAsLong());
return board;
}
protected static Card parseCard(JsonObject e) {
DeckLog.log(e.toString());
//TODO: impl
Card card = new Card();
card.setId(e.get("id").getAsLong());
card.setTitle(getNullAsEmptyString(e.get("title")));
card.setDescription(getNullAsEmptyString(e.get("description")));
card.setStackId(e.get("stackId").getAsLong());
card.setType(getNullAsEmptyString(e.get("type")));
// stack.setDeletedAt(e.get("lastModified")) // TODO: parse date!
// stack.setDeletedAt(e.get("createdAt")) // TODO: parse date!
// stack.setDeletedAt(e.get("deletedAt")) // TODO: parse date!
if (e.has("labels") && !e.get("labels").isJsonNull()){
JsonArray labelsJson = e.getAsJsonArray("labels");
List<Label> labels = new ArrayList<>();
for (JsonElement labelJson: labelsJson) {
labels.add(parseLabel(labelJson.getAsJsonObject()));
}
card.setLabels(labels);
}
//e.get "assignedUsers"
//e.get "attachments"
card.setStackId(e.get("attachmentCount").getAsInt());
card.setOrder(e.get("order").getAsInt());
card.setOverdue(e.get("overdue").getAsInt());
card.setDueDate(getTimestamp(e.get("duedate")));
card.setCommentsUnread(e.get("commentsUnread").getAsInt());
JsonElement owner = e.get("owner");
if (owner != null){
if (owner.isJsonPrimitive()){//TODO: remove if, let only else!
Log.d(DeckConsts.DEBUG_TAG, "owner is Primitive, skipping");
} else
card.setOwner(parseUser(owner.getAsJsonObject()));
}
card.setArchived(e.get("archived").getAsBoolean());
return card;
}
protected static User parseUser(JsonObject e) {
DeckLog.log(e.toString());
User user = new User();
user.setDisplayname(getNullAsEmptyString(e.get("displayname")));
user.setPrimaryKey(getNullAsEmptyString(e.get("primaryKey")));
user.setUid(getNullAsEmptyString(e.get("uid")));
return user;
}
protected static Stack parseStack(JsonObject e) {
DeckLog.log(e.toString());
Stack stack = new Stack();
stack.setTitle(getNullAsEmptyString(e.get("title")));
stack.setBoardId(e.get("boardId").getAsLong());
stack.setId(e.get("id").getAsLong());
stack.setOrder(e.get("order").getAsInt());
if (e.has("cards")){
JsonArray cardsJson = e.getAsJsonArray("cards");
List<Card> cards = new ArrayList<>();
for (JsonElement cardJson: cardsJson) {
cards.add(parseCard(cardJson.getAsJsonObject()));
}
stack.setCards(cards);
}
// stack.setDeletedAt(e.get("deletedAt")) // TODO: parse date!
return stack;
}
protected static Label parseLabel(JsonObject e) {
DeckLog.log(e.toString());
Label label = new Label();
label.setId(e.get("id").getAsLong());
label.setTitle(getNullAsEmptyString(e.get("title")));
label.setColor(getNullAsEmptyString(e.get("color")));
return label;
}
protected static String getNullAsEmptyString(JsonElement jsonElement) {
return jsonElement.isJsonNull() ? "" : jsonElement.getAsString();
}
protected static Date getTimestamp(JsonElement jsonElement) {
if (jsonElement.isJsonNull()) {
return null;
} else {
try {
return formatter.parse(jsonElement.getAsString());
} catch (ParseException e) {
return null;
}
}
}
}
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