/**
* Adds a paper to the papers table, adds keywords to paper_keywords table
*
* @param keywords
* @param facultyId
* @throws DLException
*/
public void addPaper(String keywords, int facultyId) throws DLException {
MySQLDatabase db = MySQLDatabase.getInstance();
try {
ArrayList values = new ArrayList();
values.add(this.id);
values.add(title);
values.add(pAbstract);
values.add(citation);
ArrayList authorship = new ArrayList();
authorship.add(facultyId);
authorship.add(this.id);
ArrayList keywordList = new ArrayList();
String[] kws = keywords.split(",");
keywordList.add(this.id);
keywordList.add(kws[0]);
db.startTrans();
db.setData("INSERT INTO papers(id, title, abstract, citation) VALUES(?, ?, ?, ?);", values);
db.setData("INSERT INTO authorship(facultyId, paperId) VALUES(?, ?)", authorship);
for (String kw : kws) {
keywordList.set(1, kw);
db.setData("INSERT INTO paper_keywords VALUES(?, ?);", keywordList);
}
db.endTrans();
} catch (RuntimeException e) {
throw new DLException(
e,
"Unix time: " + String.valueOf(System.currentTimeMillis() / 1000),
"Error in addPaper() of Papers");
}
}
/**
* Loads details of radio-button-selected paper into the user interface to allow editing
*
* @return ArrayList<String> list of fields describing the paper to be edited
*/
public ArrayList<String> editPaper() throws DLException {
ArrayList<ArrayList<String>> paper;
ArrayList<String> returnArray = new ArrayList();
try {
MySQLDatabase db = MySQLDatabase.getInstance();
ArrayList values = new ArrayList();
values.add(this.id);
paper = db.getData("SELECT title, abstract, citation FROM papers WHERE id = ?", values);
ArrayList<ArrayList<String>> keywords =
db.getData("SELECT keyword FROM paper_keywords WHERE id = ?", values);
for (int i = 0; i < paper.get(0).size(); i++) {
returnArray.add(paper.get(0).get(i));
}
String keyword = "";
for (int i = 0; i < keywords.size(); i++) {
for (int j = 0; j < keywords.get(0).size(); j++) {
keyword = keyword + keywords.get(i).get(j) + ",";
}
}
returnArray.add(keyword);
} catch (RuntimeException e) {
throw new DLException(
e,
"Unix time: " + String.valueOf(System.currentTimeMillis() / 1000),
"Error in editPaper() of Faculty");
}
return returnArray;
}
/**
* Updates the papers table to reflect updated details for a paper. Updates keywords in
* paper_keywords.
*
* @param title
* @param pAbstract
* @param citation
* @param keywords
* @param facultyId
* @throws DLException
*/
public void save(String title, String pAbstract, String citation, String keywords, int facultyId)
throws DLException {
MySQLDatabase db = MySQLDatabase.getInstance();
try {
ArrayList values = new ArrayList();
values.add(title);
values.add(pAbstract);
values.add(citation);
values.add(this.id);
ArrayList oldKeywords = new ArrayList();
oldKeywords.add(this.id);
String[] kws = keywords.split(",");
ArrayList keywordList = new ArrayList();
keywordList.add(this.id);
keywordList.add(kws[0]);
db.startTrans();
db.setData("UPDATE papers SET title = ?, abstract = ?, citation = ? WHERE id = ?;", values);
db.setData("DELETE FROM paper_keywords WHERE id = ?", oldKeywords);
for (String kw : kws) {
keywordList.set(1, kw);
db.setData("INSERT INTO paper_keywords VALUES(?, ?);", keywordList);
}
db.endTrans();
} catch (RuntimeException e) {
throw new DLException(
e,
"Unix time: " + String.valueOf(System.currentTimeMillis() / 1000),
"Error in save() of Papers");
}
}
