RandomSec/extensions/freebase/module/scripts/dialogs/schema-alignment/dialog.js

/*

Copyright 2010, Google Inc.
All rights reserved.

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 * Redistributions of source code must retain the above copyright
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 * Redistributions in binary form must reproduce the above
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this software without specific prior written permission.

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 */

var SchemaAlignment = {};

SchemaAlignment.autoAlign = function() {
  var protograph = {};

  var columns = theProject.columnModel.columns;

  var typedCandidates = [];
  var candidates = [];

  for (var c = 0; c < columns.length; c++) {
    var column = columns[c];
    var typed = (column.reconConfig) && 
    ReconciliationManager.isFreebaseIdOrMid(column.reconConfig.identifierSpace) &&
    ReconciliationManager.isFreebaseId(column.reconConfig.schemaSpace);

    var candidate = {
      status: "unbound",
      typed: typed,
      index: c,
      column: column
    };

    candidates.push(candidate);
    if (typed) {
      typedCandidates.push(candidate);
    }
  }

  if (typedCandidates.length > 0) {

  } else {
    var queries = {};
    for (var i = 0; i < candidates.length; i++) {
      var candidate = candidates[i];
      var name = SchemaAlignment._cleanName(candidate.column.name);
      var key = "t" + i + ":search";
      queries[key] = {
        "query" : name,
        "limit" : 10,
        "type" : "/type/type,/type/property",
        "type_strict" : "any"
      };
    }

    SchemaAlignment._batchSearch(queries, function(result) {
      console.log(result);
    });
  }
};

SchemaAlignment._batchSearch = function(queries, onDone) {
  var keys = [];
  for (var n in queries) {
    if (queries.hasOwnProperty(n)) {
      keys.push(n);
    }
  }

  var result = {};
  var args = [];
  var makeBatch = function(keyBatch) {
    var batch = {};
    for (var k = 0; k < keyBatch.length; k++) {
      var key = keyBatch[k];
      batch[key] = queries[key];
    }

    // TODO: New API doesn't accept multiple queries
//    args.push("https://www.googleapis.com/freebase/v1/search?key=" + Freebase.API_KEY + "&" + 
    args.push("http://api.freebase.com/api/service/search?" + 
        $.param({ "queries" : JSON.stringify(batch) }) + "&callback=?");

    args.push(null); // no data
    args.push(function(data) {
      for (var k = 0; k < keyBatch.length; k++) {
        var key = keyBatch[k];
        result[key] = data[key];
      }
    });
  };

  for (var i = 0; i < keys.length; i += 10) {
    makeBatch(keys.slice(i, i + 10));
  }

  args.push(function() {
    onDone(result);
  });

  Ajax.chainGetJSON.apply(null, args);
};

SchemaAlignment._cleanName = function(s) {
  return s.replace(/\W/g, " ").replace(/\s+/g, " ").toLowerCase();
};

SchemaAlignment.createNewRootNode = function() {
  var rootNode = null;
  var links = [];
  var columns = theProject.columnModel.columns;
  for (var i = 0; i < columns.length; i++) {
    var column = columns[i];
    var target = {
        nodeType: "cell-as-topic",
        columnName: column.name,
        createForNoReconMatch: true
    };
    if ((column.reconConfig) && 
        ReconciliationManager.isFreebaseIdOrMid(column.reconConfig.identifierSpace) &&
        ReconciliationManager.isFreebaseId(column.reconConfig.schemaSpace) &&
        (column.reconConfig.type)) {

      target.type = {
        id: column.reconConfig.type.id,
        name: column.reconConfig.type.name
      };
    }

    if (column.name == theProject.columnModel.keyColumnName) {
      rootNode = target;
    } else {
      links.push({
        property: null,
        target: target
      });
    }
  }

  rootNode = rootNode || { nodeType: "cell-as-topic" };
  rootNode.links = links;

  return rootNode;
};

function SchemaAlignmentDialog(protograph, onDone) {
  this._onDone = onDone;
  this._hasUnsavedChanges = false;

  this._createDialog();
  this._reset(protograph, true);
}

SchemaAlignmentDialog.prototype._reset = function(protograph, initial) {
  this._originalProtograph = protograph || { rootNodes: [] };
  this._protograph = cloneDeep(this._originalProtograph); // this is what can be munched on

  if (!this._protograph.rootNodes.length) {
    this._protograph.rootNodes.push(SchemaAlignment.createNewRootNode());
  }

  $(this._nodeTable).empty();

  this._nodeUIs = [];
  for (var i = 0; i < this._protograph.rootNodes.length; i++) {
    this._nodeUIs.push(new SchemaAlignmentDialog.UINode(
      this,
      this._protograph.rootNodes[i], 
      this._nodeTable, 
      {
        expanded: true,
        mustBeCellTopic: true
      }
    ));
  }

  this.preview(initial);
};

SchemaAlignmentDialog.prototype._save = function(onDone) {
  var self = this;
  var protograph = this.getJSON();

  Refine.postProcess(
    "freebase",
    "save-protograph",
    {},
    { protograph: JSON.stringify(protograph) },
    {},
    {   
      onDone: function() {
        theProject.overlayModels.freebaseProtograph = protograph;

        self._elmts.statusIndicator.hide();
        self._hasUnsavedChanges = false;

        if (onDone) onDone();
      }
    }
  );
};

SchemaAlignmentDialog.prototype._createDialog = function() {
  var self = this;
  var frame = $(DOM.loadHTML("freebase", "scripts/dialogs/schema-alignment/schema-alignment-dialog.html"));
  var elmts = this._elmts = DOM.bind(frame);

  this._level = DialogSystem.showDialog(frame);

  var dismiss = function() {
    DialogSystem.dismissUntil(self._level - 1);
  };

  elmts.saveButton.click(function() {
    self._save();
  });
  elmts.saveAndLoadButton.click(function() {
    self._save(function() {
      dismiss();
      FreebaseExtension.handlers.loadIntoFreebase();
    });
  });
  elmts.resetButton.click(function() {
    self._reset(null);
  });
  elmts.closeButton.click(function() {
    if (!self._hasUnsavedChanges || window.confirm("There are unsaved changes. Close anyway?")) {
      dismiss();
    }
  });

  $("#schema-alignment-tabs").tabs();
  $("#schema-alignment-tabs-preview-mqllike").css("display", "");
  $("#schema-alignment-tabs-preview-tripleloader").css("display", "");

  this._previewPanes = $(".schema-alignment-dialog-preview");

  this._canvas = $(".schema-alignment-dialog-canvas");
  this._nodeTable = $('<table></table>').addClass("schema-alignment-table-layout").appendTo(this._canvas)[0];
};

SchemaAlignmentDialog.prototype.getJSON = function() {
  var rootNodes = [];
  for (var i = 0; i < this._nodeUIs.length; i++) {
    var node = this._nodeUIs[i].getJSON();
    if (node !== null) {
      rootNodes.push(node);
    }
  }

  return {
    rootNodes: rootNodes
  };
};

SchemaAlignmentDialog.prototype.preview = function(initial) {
  var self = this;

  this._previewPanes.empty();
  if (!(initial)) {
    this._elmts.statusIndicator.show().text("There are unsaved changes.");
    this._hasUnsavedChanges = true;
  }

  var protograph = this.getJSON();
  $.post(
    "command/freebase/preview-protograph?" + $.param({ project: theProject.id }),
    { protograph: JSON.stringify(protograph), engine: JSON.stringify(ui.browsingEngine.getJSON()) },
    function(data) {
      if ("mqllike" in data) {
        $(self._previewPanes[0]).text(JSON.stringify(data.mqllike, null, 2));
      }
      if ("tripleloader" in data) {
        $(self._previewPanes[1]).text(data.tripleloader);
      }
    },
    "json"
  );
};

SchemaAlignmentDialog._findColumn = function(cellIndex) {
  var columns = theProject.columnModel.columns;
  for (var i = 0; i < columns.length; i++) {
    var column = columns[i];
    if (column.cellIndex == cellIndex) {
      return column;
    }
  }
  return null;
};