remove range storage

src/jio.storage/rangestorage.js

-/*jslint indent: 2, maxlen: 80, nomen: true, regexp: true, unparam: true */
-/*global define, RSVP, jIO */
-
-(function (dependencies, module) {
-  "use strict";
-  if (typeof define === 'function' && define.amd) {
-    return define(dependencies, module);
-  }
-  module(RSVP, jIO);
-}(['rsvp', 'jio'], function (RSVP, jIO) {
-  "use strict";
-
-
-  /**
-   * The jIO QueryStorage extension
-   *
-   * @class QueryStorage
-   * @constructor
-   */
-  function RangeStorage(spec) {
-    if (spec.sub_storage === undefined) {
-      throw new TypeError("RangeStorage 'sub storage' description" +
-                          "must be a non-empty string");
-    }
-    if (spec.sub_storage.type === "indexeddb" ||
-        spec.sub_storage.type === "dav") {
-      throw new TypeError("RangeStorage 'sub storage' " +
-                          spec.sub_storage.type + "unsupport"
-                         );
-    }
-    this._sub_storage = spec.sub_storage;
-    this._key_schema = spec.key_schema;
-  }
-
-
-  /**
-   * Get a document
-   * Parameters are passed through to the sub storage.
-   *
-   * @method get
-   * @param  {Object} command The JIO command
-   */
-  RangeStorage.prototype.get = function (command) {
-    var args = [].slice.call(arguments, 1), substorage;
-    substorage = command.storage(this._sub_storage);
-    substorage.get.apply(substorage, args).
-      then(command.success, command.error, command.notify);
-  };
-
-
-  /**
-   * Create a document in the sub storage.
-   * Parameters are passed through to the sub storage.
-   *
-   * @method post
-   * @param  {Object} command The JIO command
-   */
-  RangeStorage.prototype.post = function (command) {
-    var args = [].slice.call(arguments, 1), substorage;
-    substorage = command.storage(this._sub_storage);
-    substorage.post.apply(substorage, args).
-      then(command.success, command.error, command.notify);
-  };
-
-
-  /**
-   * Create or update a document in the sub storage.
-   * Parameters are passed through to the sub storage.
-   *
-   * @method put
-   * @param  {Object} command The JIO command
-   */
-  RangeStorage.prototype.put = function (command) {
-    var args = [].slice.call(arguments, 1), substorage;
-    substorage = command.storage(this._sub_storage);
-    substorage.put.apply(substorage, args).
-      then(command.success, command.error, command.notify);
-  };
-
-
-  /**
-   * Remove a document.
-   * Parameters are passed through to the sub storage.
-   *
-   * @method remove
-   * @param  {Object} command The JIO command
-   */
-  RangeStorage.prototype.remove = function (command) {
-    var args = [].slice.call(arguments, 1), substorage;
-    substorage = command.storage(this._sub_storage);
-    substorage.remove.apply(substorage, args).
-      then(command.success, command.error, command.notify);
-  };
-
-
-  /**
-   * Get an attachment.
-   * Parameters are passed through to the sub storage.
-   *
-   * @method getAttachment
-   * @param  {Object} command The JIO command
-   */
-  RangeStorage.prototype.getAttachment = function (command, param) {
-    var args = [].slice.call(arguments, 1), substorage;
-    substorage = command.storage(this._sub_storage);
-    substorage.getAttachment.apply(substorage, args).
-      then(function (result) {
-        param._start = param._start === undefined ? 0 : param._start;
-        param._end = param._end === undefined ? result.data.size :
-            param._end;
-        if (param._start < 0 || param._end < 0) {
-          throw ({"status": 404, "reason": "invalide _start, _end",
-                  "message": "_start and _end must be positive"});
-        }
-        if (param._start > param._end) {
-          throw ({"status": 404, "reason": "invalide offset",
-                  "message": "start is great then end"});
-        }
-        result.data = result.data.slice(param._start, param._end);
-        return result;
-      }).
-      then(command.success, command.error, command.notify);
-  };
-
-
-  /**
-   * Add an attachment to a document.
-   * Parameters are passed through to the sub storage.
-   *
-   * @method putAttachment
-   * @param  {Object} command The JIO command
-   */
-  RangeStorage.prototype.putAttachment = function (command) {
-    var args = [].slice.call(arguments, 1), substorage;
-    substorage = command.storage(this._sub_storage);
-    substorage.putAttachment.apply(substorage, args).
-      then(command.success, command.error, command.notify);
-  };
-
-
-  /**
-   * Remove an attachment.
-   * Parameters are passed through to the sub storage.
-   *
-   * @method removeAttachment
-   * @param  {Object} command The JIO command
-   */
-  RangeStorage.prototype.removeAttachment = function (command) {
-    var args = [].slice.call(arguments, 1), substorage;
-    substorage = command.storage(this._sub_storage);
-    substorage.removeAttachment.apply(substorage, args).
-      then(command.success, command.error, command.notify);
-  };
-
-
-  /**
-   * Retrieve documents.
-   * This method performs an .allDocs() call on the substorage,
-   * retrieving everything, then runs a query on the result.
-   *
-   * @method allDocs
-   * @param  {Object} command The given parameters
-   * @param  {Object} options The command options
-   */
-  RangeStorage.prototype.allDocs = function (command, param, options) {
-    var that = this,
-      substorage = command.storage(this._sub_storage),
-      // we need the full documents in order to perform the query, will
-      // remove them later if they were not required.
-      include_docs = (options.include_docs || options.query) ? true : false;
-
-    substorage.allDocs({
-      "include_docs": include_docs
-    }).then(function (response) {
-
-      var data_rows = response.data.rows, docs = {}, row, i, l;
-
-      if (!include_docs) {
-        return response;
-      }
-
-      if (options.include_docs) {
-        for (i = 0, l = data_rows.length; i < l; i += 1) {
-          row = data_rows[i];
-          docs[row.id] = JSON.parse(JSON.stringify(row.doc));
-          row.doc._id = row.id;
-          data_rows[i] = row.doc;
-        }
-      } else {
-        for (i = 0, l = data_rows.length; i < l; i += 1) {
-          row = data_rows[i];
-          row.doc._id = row.id;
-          data_rows[i] = row.doc;
-        }
-      }
-
-      if (options.select_list) {
-        options.select_list.push("_id");
-      }
-
-      return jIO.QueryFactory.create(options.query || "", that._key_schema).
-        exec(data_rows, options).
-        then(function (filtered_docs) {
-          // reconstruct filtered rows, preserving the order from docs
-          if (options.include_docs) {
-            for (i = 0, l = filtered_docs.length; i < l; i += 1) {
-              filtered_docs[i] = {
-                "id": filtered_docs[i]._id,
-                "doc": docs[filtered_docs[i]._id],
-                "value": options.select_list ? filtered_docs[i] : {}
-              };
-              delete filtered_docs[i].value._id;
-            }
-          } else {
-            for (i = 0, l = filtered_docs.length; i < l; i += 1) {
-              filtered_docs[i] = {
-                "id": filtered_docs[i]._id,
-                "value": options.select_list ? filtered_docs[i] : {}
-              };
-              delete filtered_docs[i].value._id;
-            }
-          }
-          response.data.rows = filtered_docs;
-          response.data.total_rows = filtered_docs.length;
-          return response;
-        });
-
-    }).then(command.success, command.error, command.notify);
-  };
-
-
-  /**
-   * Check a document
-   * Parameters are passed through to the sub storage.
-   *
-   * @method check
-   * @param  {Object} command The JIO command
-   */
-  RangeStorage.prototype.check = function (command) {
-    var args = [].slice.call(arguments, 1), substorage;
-    substorage = command.storage(this._sub_storage);
-    substorage.check.apply(substorage, args).
-      then(command.success, command.error, command.notify);
-  };
-
-
-  /**
-   * Repair a document
-   * Parameters are passed through to the sub storage.
-   *
-   * @method repair
-   * @param  {Object} command The JIO command
-   */
-  RangeStorage.prototype.repair = function (command) {
-    var args = [].slice.call(arguments, 1), substorage;
-    substorage = command.storage(this._sub_storage);
-    substorage.repair.apply(substorage, args).
-      then(command.success, command.error, command.notify);
-  };
-
-
-  jIO.addStorage('range', RangeStorage);
-
-}));