APIResponse.java

package com.stacksync.syncservice.rpc.messages;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import com.stacksync.commons.models.CommitInfo;
import com.stacksync.commons.models.ItemMetadata;
import com.stacksync.commons.models.User;
import com.stacksync.commons.models.UserWorkspace;

public abstract class APIResponse {

    protected CommitInfo item;
    protected Long quotaLimit;
    protected Long quotaUsed;
    protected Boolean success;
    protected int errorCode;
    protected String description;

    public Boolean getSuccess() {
        return success;
    }

    public int getErrorCode() {
        return errorCode;
    }

    public String getDescription() {
        return description;
    }

    public CommitInfo getItem() {
        return item;
    }

    public ItemMetadata getMetadata() {
        return item.getMetadata();
    }

    public Long getQuotaLimit() {
        return quotaLimit;
    }

    public void setQuotaLimit(Long quotaLimit) {
        this.quotaLimit = quotaLimit;
    }

    public Long getQuotaUsed() {
        return quotaUsed;
    }

    public void setQuotaUsed(Long quotaUsed) {
        this.quotaUsed = quotaUsed;
    }

    @Override
    public String toString() {
        JsonObject jResponse;

        if (!getSuccess()) {
            jResponse = new JsonObject();
            jResponse.addProperty("error", getErrorCode());
            jResponse.addProperty("description", getDescription());
        } else {
            ItemMetadata file = getItem().getMetadata();
            jResponse = this.parseItemMetadata(file);
        }

        return jResponse.toString();
    }

    private JsonObject parseItemMetadata(ItemMetadata metadata) {
        JsonObject jMetadata = parseMetadata(metadata);

        if (metadata.getParentId() == null) {
            jMetadata.addProperty("parent_file_id", "");

        } else {
            jMetadata.addProperty("parent_file_id", metadata.getParentId());
        }

        if (metadata.getParentId() == null) {
            jMetadata.addProperty("parent_file_version", "");
        } else {
            jMetadata.addProperty("parent_file_version", metadata.getParentVersion());
        }

        // TODO: send only chunks when is a file
        if (!metadata.isFolder()) {
            JsonArray chunks = new JsonArray();
            for (String chunk : metadata.getChunks()) {
                JsonElement elem = new JsonPrimitive(chunk);
                chunks.add(elem);
            }
            jMetadata.add("chunks", chunks);
        }

        return jMetadata;
    }

    protected JsonObject parseObjectMetadataForAPI(ItemMetadata metadata) {
        JsonObject jMetadata = parseMetadata(metadata);

        if (metadata.isFolder()) {
            jMetadata.addProperty("is_root", metadata.isRoot());
        } else {
            JsonArray chunks = new JsonArray();

            for (String chunk : metadata.getChunks()) {
                JsonElement elem = new JsonPrimitive(chunk);
                chunks.add(elem);
            }

            jMetadata.add("chunks", chunks);
        }

        return jMetadata;
    }

    protected JsonObject parseMetadata(ItemMetadata metadata) {
        JsonObject jMetadata = new JsonObject();

        if (metadata == null) {
            return jMetadata;
        }

        jMetadata.addProperty("id", metadata.getId());
        jMetadata.addProperty("parent_id", metadata.getParentId());
        jMetadata.addProperty("filename", metadata.getFilename());
        jMetadata.addProperty("is_folder", metadata.isFolder());
        jMetadata.addProperty("status", metadata.getStatus());

        if (metadata.getModifiedAt() != null) {
            jMetadata.addProperty("modified_at", metadata.getModifiedAt().toString());
        }

        jMetadata.addProperty("version", metadata.getVersion());
        jMetadata.addProperty("checksum", metadata.getChecksum());
        jMetadata.addProperty("size", metadata.getSize());
        jMetadata.addProperty("mimetype", metadata.getMimetype());

        return jMetadata;
    }

    protected JsonObject parseUser(User user) {
        JsonObject jUser = new JsonObject();

        if (user == null) {
            return jUser;
        }

        jUser.addProperty("name", user.getName());
        jUser.addProperty("email", user.getEmail());

        return jUser;

    }

    protected JsonObject parseUserWorkspace(UserWorkspace userWorkspace) {

        if (userWorkspace == null) {
            return new JsonObject();
        }

        JsonObject jUser = parseUser(userWorkspace.getUser());
        jUser.addProperty("is_owner", userWorkspace.isOwner());
        jUser.addProperty("joined_at", userWorkspace.getJoinedAt().toString());

        return jUser;

    }
}