836 lines
18 KiB
JavaScript
836 lines
18 KiB
JavaScript
Scholar.Search = function(){
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this._sql = null;
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this._sqlParams = null;
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this._maxSearchConditionID = 0;
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this._conditions = [];
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this._savedSearchID = null;
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this._savedSearchName = null;
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}
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/*
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* Set the name for the saved search
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*
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* Must be called before save() for new searches
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*/
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Scholar.Search.prototype.setName = function(name){
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if (!name){
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throw("Invalid saved search name '" + name + '"');
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}
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this._savedSearchName = name;
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}
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/*
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* Load a saved search from the DB
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*/
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Scholar.Search.prototype.load = function(savedSearchID){
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var sql = "SELECT savedSearchName, MAX(searchConditionID) AS maxID "
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+ "FROM savedSearches LEFT JOIN savedSearchConditions "
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+ "USING (savedSearchID) WHERE savedSearchID=" + savedSearchID
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+ " GROUP BY savedSearchID";
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var row = Scholar.DB.rowQuery(sql);
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if (!row){
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throw('Saved search ' + savedSearchID + ' does not exist');
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}
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this._sql = null;
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this._sqlParams = null;
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this._maxSearchConditionID = row['maxID'];
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this._conditions = [];
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this._savedSearchID = savedSearchID;
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this._savedSearchName = row['savedSearchName'];
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var conditions = Scholar.DB.query("SELECT * FROM savedSearchConditions "
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+ "WHERE savedSearchID=" + savedSearchID + " ORDER BY searchConditionID");
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for (var i in conditions){
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if (!Scholar.SearchConditions.get(conditions[i]['condition'])){
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Scholar.debug("Invalid saved search condition '"
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+ conditions[i]['condition'] + "' -- skipping", 2);
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continue;
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}
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this._conditions[conditions[i]['searchConditionID']] = {
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id: conditions[i]['searchConditionID'],
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condition: conditions[i]['condition'],
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operator: conditions[i]['operator'],
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value: conditions[i]['value'],
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required: conditions[i]['required']
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};
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}
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}
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Scholar.Search.prototype.getID = function(){
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return this._savedSearchID;
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}
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Scholar.Search.prototype.getName = function(){
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return this._savedSearchName;
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}
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/*
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* Save the search to the DB and return a savedSearchID
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*
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* For new searches, setName() must be called before saving
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*/
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Scholar.Search.prototype.save = function(){
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if (!this._savedSearchName){
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throw('Name not provided for saved search');
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}
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Scholar.DB.beginTransaction();
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if (this._savedSearchID){
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var sql = "UPDATE savedSearches SET savedSearchName=? WHERE savedSearchID=?";
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Scholar.DB.query(sql, [this._savedSearchName, this._savedSearchID]);
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Scholar.DB.query("DELETE FROM savedSearchConditions "
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+ "WHERE savedSearchID=" + this._savedSearchID);
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}
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else {
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var isNew = true;
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this._savedSearchID
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= Scholar.getRandomID('savedSearches', 'savedSearchID');
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var sql = "INSERT INTO savedSearches (savedSearchID, savedSearchName) "
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+ "VALUES (?,?)";
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Scholar.DB.query(sql,
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[this._savedSearchID, {string: this._savedSearchName}]);
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}
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// TODO: use proper bound parameters once DB class is updated
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for (var i in this._conditions){
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var sql = "INSERT INTO savedSearchConditions (savedSearchID, "
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+ "searchConditionID, condition, operator, value, required) "
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+ "VALUES (?,?,?,?,?,?)";
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var sqlParams = [
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this._savedSearchID, i, this._conditions[i]['condition'],
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this._conditions[i]['operator']
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? this._conditions[i]['operator'] : null,
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this._conditions[i]['value']
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? this._conditions[i]['value'] : null,
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this._conditions[i]['required']
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? 1 : null
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];
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Scholar.DB.query(sql, sqlParams);
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}
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Scholar.DB.commitTransaction();
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Scholar.Notifier.trigger(
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(isNew ? 'add' : 'modify'), 'search', this._savedSearchID
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);
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return this._savedSearchID;
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}
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Scholar.Search.prototype.addCondition = function(condition, operator, value, required){
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if (!Scholar.SearchConditions.hasOperator(condition, operator)){
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throw ("Invalid operator '" + operator + "' for condition " + condition);
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}
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// Shortcut to add a condition on every table -- does not return an id
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if (condition=='fulltext'){
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this.addCondition('joinMode', 'any');
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this.addCondition('title', operator, value, false);
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this.addCondition('field', operator, value, false);
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this.addCondition('numberfield', operator, value, false);
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this.addCondition('creator', operator, value, false);
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this.addCondition('tag', operator, value, false);
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this.addCondition('note', operator, value, false);
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return false;
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}
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var searchConditionID = ++this._maxSearchConditionID;
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this._conditions[searchConditionID] = {
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id: searchConditionID,
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condition: condition,
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operator: operator,
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value: value,
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required: required
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};
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this._sql = null;
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this._sqlParams = null;
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return searchConditionID;
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}
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Scholar.Search.prototype.updateCondition = function(searchConditionID, condition, operator, value, required){
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if (typeof this._conditions[searchConditionID] == 'undefined'){
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throw ('Invalid searchConditionID ' + searchConditionID + ' in updateCondition()');
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}
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if (!Scholar.SearchConditions.hasOperator(condition, operator)){
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throw ("Invalid operator '" + operator + "' for condition " + condition);
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}
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this._conditions[searchConditionID] = {
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id: searchConditionID,
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condition: condition,
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operator: operator,
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value: value,
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required: required
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};
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this._sql = null;
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this._sqlParams = null;
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}
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Scholar.Search.prototype.removeCondition = function(searchConditionID){
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if (typeof this._conditions[searchConditionID] == 'undefined'){
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throw ('Invalid searchConditionID ' + searchConditionID + ' in removeCondition()');
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}
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delete this._conditions[searchConditionID];
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}
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/*
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* Returns an array with 'condition', 'operator', 'value', 'required'
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* for the given searchConditionID
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*/
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Scholar.Search.prototype.getSearchCondition = function(searchConditionID){
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return this._conditions[searchConditionID];
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}
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/*
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* Returns a multidimensional array of conditions/operator/value sets
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* used in the search, indexed by searchConditionID
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*/
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Scholar.Search.prototype.getSearchConditions = function(){
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// TODO: make copy
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return this._conditions;
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}
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/*
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* Run the search and return an array of item ids for results
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*/
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Scholar.Search.prototype.search = function(){
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if (!this._sql){
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this._buildQuery();
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}
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return Scholar.DB.columnQuery(this._sql, this._sqlParams);
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}
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/*
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* Get the SQL string for the search
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*/
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Scholar.Search.prototype.getSQL = function(){
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if (!this._sql){
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this._buildQuery();
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}
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return this._sql;
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}
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Scholar.Search.prototype.getSQLParams = function(){
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if (!this._sql){
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this._buildQuery();
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}
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return this._sqlParams;
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}
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/*
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* Build the SQL query for the search
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*/
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Scholar.Search.prototype._buildQuery = function(){
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var sql = 'SELECT itemID FROM items';
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var sqlParams = [];
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// Separate ANY conditions for 'required' condition support
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var anySQL = '';
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var anySQLParams = [];
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var tables = [];
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for (var i in this._conditions){
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var data = Scholar.SearchConditions.get(this._conditions[i]['condition']);
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// Group standard conditions by table
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if (data['table']){
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if (!tables[data['table']]){
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tables[data['table']] = [];
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}
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tables[data['table']].push({
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name: data['name'],
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alias: data['name']!=this._conditions[i]['condition']
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? this._conditions[i]['condition'] : false,
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field: data['field'],
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operator: this._conditions[i]['operator'],
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value: this._conditions[i]['value'],
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required: this._conditions[i]['required']
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});
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var hasConditions = true;
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}
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// Handle special conditions
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else {
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switch (data['name']){
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// Search subfolders
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case 'recursive':
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var recursive = this._conditions[i]['operator']=='true';
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continue;
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// Join mode ('any' or 'all')
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case 'joinMode':
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var joinMode = this._conditions[i]['operator'].toUpperCase();
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continue;
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}
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throw ('Unhandled special condition ' + this._conditions[i]['condition']);
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}
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}
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if (hasConditions){
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sql += " WHERE ";
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for (var i in tables){
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for (var j in tables[i]){
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var openParens = 0;
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var skipOperators = false;
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var condSQL = '';
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var condSQLParams = [];
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//
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// Special table handling
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//
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switch (i){
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case 'savedSearches':
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break;
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default:
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condSQL += 'itemID '
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switch (tables[i][j]['operator']){
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case 'isNot':
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case 'doesNotContain':
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condSQL += 'NOT ';
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break;
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}
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condSQL += 'IN (SELECT itemID FROM ' + i + ' WHERE (';
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openParens = 2;
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}
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//
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// Special condition handling
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//
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switch (tables[i][j]['name']){
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case 'field':
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case 'datefield':
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if (!tables[i][j]['alias']){
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break;
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}
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condSQL += 'fieldID=? AND ';
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condSQLParams.push(
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Scholar.ItemFields.getID(tables[i][j]['alias'])
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);
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break;
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case 'collectionID':
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condSQL += "collectionID IN (?,";
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condSQLParams.push({int:tables[i][j]['value']});
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// And descendents if recursive search
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if (recursive){
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var col = Scholar.Collections.get(tables[i][j]['value']);
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var descendents = col.getDescendents(false, 'collection');
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if (descendents){
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for (var k in descendents){
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condSQL += '?,';
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condSQLParams.push(descendents[k]['id']);
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}
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}
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}
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// Strip final comma
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condSQL = condSQL.substring(0, condSQL.length-1) + ")";
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skipOperators = true;
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break;
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case 'savedSearchID':
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condSQL += "itemID ";
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if (tables[i][j]['operator']=='isNot'){
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condSQL += "NOT ";
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}
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condSQL += "IN (";
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var search = new Scholar.Search();
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search.load(tables[i][j]['value']);
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condSQL += search.getSQL();
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var subpar = search.getSQLParams();
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for (var k in subpar){
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condSQLParams.push(subpar[k]);
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}
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condSQL += ")";
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skipOperators = true;
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break;
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case 'tag':
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condSQL += "tagID IN (SELECT tagID FROM tags WHERE ";
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openParens++;
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break;
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case 'creator':
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condSQL += "creatorID IN (SELECT creatorID FROM creators "
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+ "WHERE ";
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openParens++;
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break;
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}
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if (!skipOperators){
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condSQL += tables[i][j]['field'];
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switch (tables[i][j]['operator']){
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case 'contains':
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case 'doesNotContain': // excluded with NOT IN above
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condSQL += ' LIKE ?';
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condSQLParams.push('%' + tables[i][j]['value'] + '%');
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break;
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case 'is':
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case 'isNot': // excluded with NOT IN above
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condSQL += '=?';
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condSQLParams.push(tables[i][j]['value']);
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break;
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case 'isLessThan':
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condSQL += '<?';
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condSQLParams.push({int:tables[i][j]['value']});
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break;
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case 'isGreaterThan':
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condSQL += '>?';
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condSQLParams.push({int:tables[i][j]['value']});
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break;
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case 'isBefore':
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condSQL += '<?';
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condSQLParams.push({string:tables[i][j]['value']});
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break;
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case 'isAfter':
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condSQL += '>?';
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condSQLParams.push({string:tables[i][j]['value']});
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break;
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}
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}
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// Close open parentheses
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for (var k=openParens; k>0; k--){
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condSQL += ')';
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}
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// Keep non-required conditions separate if in ANY mode
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if (!tables[i][j]['required'] && joinMode=='ANY'){
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condSQL += ' OR ';
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anySQL += condSQL;
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anySQLParams = anySQLParams.concat(condSQLParams);
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}
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else {
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condSQL += ' AND ';
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sql += condSQL;
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sqlParams = sqlParams.concat(condSQLParams);
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}
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}
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}
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// Add on ANY conditions
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if (anySQL){
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sql += '(' + anySQL;
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sqlParams = sqlParams.concat(anySQLParams);
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sql = sql.substring(0, sql.length-4); // remove last ' OR '
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sql += ')';
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}
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else {
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sql = sql.substring(0, sql.length-5); // remove last ' AND '
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}
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}
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this._sql = sql;
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this._sqlParams = sqlParams.length ? sqlParams : null;
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}
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Scholar.Searches = new function(){
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this.get = get;
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this.getAll = getAll;
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this.erase = erase;
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function get(id){
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var sql = "SELECT savedSearchID AS id, savedSearchName AS name "
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+ "FROM savedSearches WHERE savedSearchID=?";
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return Scholar.DB.rowQuery(sql, [id]);
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}
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|
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/*
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* Returns an array of saved searches with 'id' and 'name', ordered by name
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*/
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function getAll(){
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var sql = "SELECT savedSearchID AS id, savedSearchName AS name "
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+ "FROM savedSearches ORDER BY name";
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return Scholar.DB.query(sql);
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}
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|
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/*
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* Delete a given saved search from the DB
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*/
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function erase(savedSearchID){
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Scholar.DB.beginTransaction();
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var sql = "DELETE FROM savedSearchConditions WHERE savedSearchID="
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+ savedSearchID;
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Scholar.DB.query(sql);
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var sql = "DELETE FROM savedSearches WHERE savedSearchID="
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+ savedSearchID;
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Scholar.DB.query(sql);
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Scholar.DB.commitTransaction();
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Scholar.Notifier.trigger('remove', 'search', savedSearchID);
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}
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}
|
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|
|
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Scholar.SearchConditions = new function(){
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this.get = get;
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this.getStandardConditions = getStandardConditions;
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this.hasOperator = hasOperator;
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|
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var _initialized = false;
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var _conditions = [];
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var _standardConditions = [];
|
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|
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/*
|
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* Define the advanced search operators
|
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*/
|
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var _operators = {
|
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// Standard -- these need to match those in scholarsearch.xml
|
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is: true,
|
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isNot: true,
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contains: true,
|
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doesNotContain: true,
|
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isLessThan: true,
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isGreaterThan: true,
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isBefore: true,
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isAfter: true,
|
|
|
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// Special
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any: true,
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all: true,
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true: true,
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false: true
|
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};
|
|
|
|
|
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/*
|
|
* Define and set up the available advanced search conditions
|
|
*/
|
|
function _init(){
|
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_conditions = [
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//
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// Special conditions
|
|
//
|
|
|
|
// Search recursively
|
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{
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name: 'recursive',
|
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operators: {
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true: true,
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false: true
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}
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},
|
|
|
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// Join mode
|
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{
|
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name: 'joinMode',
|
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operators: {
|
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any: true,
|
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all: true
|
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}
|
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},
|
|
|
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// Saved search to search within
|
|
{
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name: 'savedSearchID',
|
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operators: {
|
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is: true,
|
|
isNot: true
|
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},
|
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table: 'savedSearches',
|
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field: 'savedSearchID',
|
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special: true
|
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},
|
|
|
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{
|
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name: 'fulltext',
|
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operators: {
|
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is: true,
|
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isNot: true,
|
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contains: true,
|
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doesNotContain: true
|
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}
|
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},
|
|
|
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//
|
|
// Standard conditions
|
|
//
|
|
|
|
// Collection id to search within
|
|
{
|
|
name: 'collectionID',
|
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operators: {
|
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is: true,
|
|
isNot: true
|
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},
|
|
table: 'collectionItems',
|
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field: 'collectionID'
|
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},
|
|
|
|
{
|
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name: 'title',
|
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operators: {
|
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contains: true,
|
|
doesNotContain: true
|
|
},
|
|
table: 'items',
|
|
field: 'title'
|
|
},
|
|
|
|
{
|
|
name: 'dateAdded',
|
|
operators: {
|
|
is: true,
|
|
isNot: true,
|
|
isBefore: true,
|
|
isAfter: true
|
|
},
|
|
table: 'items',
|
|
field: 'DATE(dateAdded)'
|
|
},
|
|
|
|
{
|
|
name: 'dateModified',
|
|
operators: {
|
|
is: true,
|
|
isNot: true,
|
|
isBefore: true,
|
|
isAfter: true
|
|
},
|
|
table: 'items',
|
|
field: 'DATE(dateModified)'
|
|
},
|
|
|
|
{
|
|
name: 'itemTypeID',
|
|
operators: {
|
|
is: true,
|
|
isNot: true
|
|
},
|
|
table: 'items',
|
|
field: 'itemTypeID'
|
|
},
|
|
|
|
{
|
|
name: 'tagID',
|
|
operators: {
|
|
is: true,
|
|
isNot: true
|
|
},
|
|
table: 'itemTags',
|
|
field: 'tagID',
|
|
special: true
|
|
},
|
|
|
|
{
|
|
name: 'tag',
|
|
operators: {
|
|
is: true,
|
|
isNot: true,
|
|
contains: true,
|
|
doesNotContain: true
|
|
},
|
|
table: 'itemTags',
|
|
field: 'tag'
|
|
},
|
|
|
|
{
|
|
name: 'note',
|
|
operators: {
|
|
contains: true,
|
|
doesNotContain: true
|
|
},
|
|
table: 'itemNotes',
|
|
field: 'note'
|
|
},
|
|
|
|
{
|
|
name: 'creator',
|
|
operators: {
|
|
is: true,
|
|
isNot: true,
|
|
contains: true,
|
|
doesNotContain: true
|
|
},
|
|
table: 'itemCreators',
|
|
field: "firstName || ' ' || lastName"
|
|
},
|
|
|
|
{
|
|
name: 'field',
|
|
operators: {
|
|
is: true,
|
|
isNot: true,
|
|
contains: true,
|
|
doesNotContain: true
|
|
},
|
|
table: 'itemData',
|
|
field: 'value',
|
|
aliases: Scholar.DB.columnQuery("SELECT fieldName FROM fields " +
|
|
"WHERE fieldName NOT IN ('accessDate', 'date', 'pages', " +
|
|
"'section','accessionNumber','seriesNumber','issue')"),
|
|
template: true // mark for special handling
|
|
},
|
|
|
|
{
|
|
name: 'datefield',
|
|
operators: {
|
|
is: true,
|
|
isNot: true,
|
|
isBefore: true,
|
|
isAfter: true
|
|
},
|
|
table: 'itemData',
|
|
field: 'DATE(value)',
|
|
aliases: ['accessDate', 'date'],
|
|
template: true // mark for special handling
|
|
},
|
|
|
|
{
|
|
name: 'numberfield',
|
|
operators: {
|
|
is: true,
|
|
isNot: true,
|
|
contains: true,
|
|
doesNotContain: true,
|
|
isLessThan: true,
|
|
isGreaterThan: true
|
|
},
|
|
table: 'itemData',
|
|
field: 'value',
|
|
aliases: ['pages', 'section', 'accessionNumber',
|
|
'seriesNumber','issue'],
|
|
template: true // mark for special handling
|
|
}
|
|
];
|
|
|
|
// Index conditions by name and aliases
|
|
for (var i in _conditions){
|
|
_conditions[_conditions[i]['name']] = _conditions[i];
|
|
if (_conditions[i]['aliases']){
|
|
for (var j in _conditions[i]['aliases']){
|
|
_conditions[_conditions[i]['aliases'][j]] = _conditions[i];
|
|
}
|
|
}
|
|
_conditions[_conditions[i]['name']] = _conditions[i];
|
|
delete _conditions[i];
|
|
}
|
|
|
|
var sortKeys = [];
|
|
var sortValues = [];
|
|
|
|
// Separate standard conditions for menu display
|
|
for (var i in _conditions){
|
|
// Standard conditions a have associated tables
|
|
if (_conditions[i]['table'] && !_conditions[i]['special'] &&
|
|
// If a template condition, not the original (e.g. 'field')
|
|
(!_conditions[i]['template'] || i!=_conditions[i]['name'])){
|
|
|
|
try {
|
|
var localized = Scholar.getString('searchConditions.' + i)
|
|
}
|
|
catch (e){
|
|
var localized = Scholar.getString('itemFields.' + i);
|
|
}
|
|
|
|
sortKeys.push(localized);
|
|
sortValues[localized] = {
|
|
name: i,
|
|
localized: localized,
|
|
operators: _conditions[i]['operators']
|
|
};
|
|
}
|
|
}
|
|
|
|
// Alphabetize by localized name
|
|
sortKeys = sortKeys.sort();
|
|
for each(var i in sortKeys){
|
|
_standardConditions.push(sortValues[i]);
|
|
}
|
|
|
|
_initialized = true;
|
|
}
|
|
|
|
|
|
/*
|
|
* Get condition data
|
|
*/
|
|
function get(condition){
|
|
if (!_initialized){
|
|
_init();
|
|
}
|
|
|
|
return _conditions[condition];
|
|
}
|
|
|
|
|
|
/*
|
|
* Returns array of possible conditions
|
|
*
|
|
* Does not include special conditions, only ones that would show in a drop-down list
|
|
*/
|
|
function getStandardConditions(){
|
|
if (!_initialized){
|
|
_init();
|
|
}
|
|
|
|
// TODO: return copy instead
|
|
return _standardConditions;
|
|
}
|
|
|
|
|
|
/*
|
|
* Check if an operator is valid for a given condition
|
|
*/
|
|
function hasOperator(condition, operator){
|
|
if (!_initialized){
|
|
_init();
|
|
}
|
|
|
|
if (!_conditions[condition]){
|
|
throw ("Invalid condition '" + condition + "' in hasOperator()");
|
|
}
|
|
|
|
if (!operator && typeof _conditions[condition]['operators'] == 'undefined'){
|
|
return true;
|
|
}
|
|
|
|
return !!_conditions[condition]['operators'][operator];
|
|
}
|
|
}
|