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sqlrest.js
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sqlrest.js
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/**
* SQL Rest Adapter for Titanium Alloy
* @author Mads Møller
* @version 0.3.4
* Copyright Napp ApS
* www.napp.dk
*/
var _ = require('alloy/underscore')._,
Alloy = require("alloy"),
Backbone = Alloy.Backbone,
moment = require('alloy/moment');
// The database name used when none is specified in the
// model configuration.
var ALLOY_DB_DEFAULT = '_alloy_';
var ALLOY_ID_DEFAULT = 'alloy_id';
var cache = {
config : {},
Model : {},
URL : null
};
// The sql-specific migration object, which is the main parameter
// to the up() and down() migration functions.
//
// db The database handle for migration processing. Do not open
// or close this as it is a running transaction that ensures
// data integrity during the migration process.
// dbname The name of the SQLite database for this model.
// table The name of the SQLite table for this model.
// idAttribute The unique ID column for this model, which is
// mapped back to Backbone.js for its update and
// delete operations.
function Migrator(config, transactionDb) {
this.db = transactionDb;
this.dbname = config.adapter.db_name;
this.table = config.adapter.collection_name;
this.idAttribute = config.adapter.idAttribute;
this.column = function(name) {
var parts = name.split(/\s+/),
type = parts[0];
switch (type.toLowerCase()) {
case "string":
case "varchar":
case "date":
case "datetime":
Ti.API.warn("\"" + type + "\" is not a valid sqlite field, using TEXT instead");
case "text":
type = "TEXT";
break;
case "int":
case "tinyint":
case "smallint":
case "bigint":
case "boolean":
Ti.API.warn("\"" + type + "\" is not a valid sqlite field, using INTEGER instead");
case "integer":
type = "INTEGER";
break;
case "double":
case "float":
case "decimal":
case "number":
Ti.API.warn("\"" + name + "\" is not a valid sqlite field, using REAL instead");
case "real":
type = "REAL";
break;
case "blob":
type = "BLOB";
break;
case "null":
type = "NULL";
break;
default:
type = "TEXT";
}
parts[0] = type;
return parts.join(" ");
};
this.createTable = function(config) {
var columns = [],
found = !1;
for (var k in config.columns) {
k === this.idAttribute && ( found = !0);
columns.push(k + " " + this.column(config.columns[k]));
}
!found && this.idAttribute === ALLOY_ID_DEFAULT && columns.push(ALLOY_ID_DEFAULT + " TEXT");
var sql = "CREATE TABLE IF NOT EXISTS " + this.table + " ( " + columns.join(",") + ")";
this.db.execute(sql);
};
this.createIndex = function(config) {
for (var i in config) {
var columns = [];
columns.push(config[i]);
var sql = "CREATE INDEX IF NOT EXISTS " + i + " ON '" + this.table + "' (" + columns.join(",") + ")";
this.db.execute(sql);
}
};
this.dropTable = function(config) {
this.db.execute("DROP TABLE IF EXISTS " + this.table);
};
this.insertRow = function(columnValues) {
var columns = [],
values = [],
qs = [],
found = !1;
for (var key in columnValues) {
key === this.idAttribute && ( found = !0);
columns.push(key);
values.push(columnValues[key]);
qs.push("?");
}
if (!found && this.idAttribute === ALLOY_ID_DEFAULT) {
columns.push(this.idAttribute);
values.push(guid());
qs.push("?");
}
this.db.execute("INSERT INTO " + this.table + " (" + columns.join(",") + ") VALUES (" + qs.join(",") + ");", values);
};
this.deleteRow = function(columns) {
var sql = "DELETE FROM " + this.table,
keys = _.keys(columns),
len = keys.length,
conditions = [],
values = [];
len && (sql += " WHERE ");
for (var i = 0; i < len; i++) {
conditions.push(keys[i] + " = ?");
values.push(columns[keys[i]]);
}
sql += conditions.join(" AND ");
this.db.execute(sql, values);
};
}
function apiCall(_options, _callback) {
//adding localOnly
if (Ti.Network.online && !_options.localOnly) {
//we are online - talk with Rest API
var xhr = Ti.Network.createHTTPClient({
timeout : _options.timeout,
cache : _options.cache,
validatesSecureCertificate : _options.validatesSecureCertificate
});
xhr.onload = function() {
var responseJSON,
success = (this.status <= 304) ? "ok" : "error",
status = true,
error;
// save the eTag for future reference
if (_options.eTagEnabled && success) {
setETag(_options.url, xhr.getResponseHeader('ETag'));
}
// we dont want to parse the JSON on a empty response
if (this.status != 304 && this.status != 204) {
// parse JSON
try {
responseJSON = JSON.parse(this.responseText);
} catch (e) {
Ti.API.error('[SQL REST API] apiCall PARSE ERROR: ' + e.message);
Ti.API.error('[SQL REST API] apiCall PARSE ERROR: ' + this.responseText);
status = false;
error = e.message;
}
}
_callback({
success : status,
status : success,
code : this.status,
data : error,
responseText : this.responseText || null,
responseJSON : responseJSON || null
});
cleanup();
};
//Handle error
xhr.onerror = function(err) {
var responseJSON,
error;
try {
responseJSON = JSON.parse(this.responseText);
} catch (e) {
error = e.message;
}
_callback({
success : false,
status : "error",
code : this.status,
error : err.error,
data : error,
responseText : this.responseText,
responseJSON : responseJSON || null
});
Ti.API.error('[SQL REST API] apiCall ERROR: ' + this.responseText);
Ti.API.error('[SQL REST API] apiCall ERROR CODE: ' + this.status);
Ti.API.error('[SQL REST API] apiCall ERROR MSG: ' + err.error);
Ti.API.error('[SQL REST API] apiCall ERROR URL: ' + _options.url);
cleanup();
};
if (_options.beforeOpen) {
_options.beforeOpen(xhr);
}
//Prepare the request
xhr.open(_options.type, _options.url);
// headers (should be between open and send methods)
for (var header in _options.headers) {
// use value or function to return value
xhr.setRequestHeader(header, _.isFunction(_options.headers[header]) ? _options.headers[header]() : _options.headers[header]);
}
if (_options.beforeSend) {
_options.beforeSend(xhr);
}
if (_options.eTagEnabled) {
var etag = getETag(_options.url);
etag && xhr.setRequestHeader('IF-NONE-MATCH', etag);
}
xhr.send(_options.data);
} else {
// we are offline
_callback({
success : false,
responseText : null,
offline : true,
localOnly : _options.localOnly
});
}
/**
* Clean up the request
*/
function cleanup() {
xhr = null;
_options = null;
_callback = null;
error = null;
responseJSON = null;
}
}
function Sync(method, model, opts) {
var table = model.config.adapter.collection_name,
columns = model.config.columns,
dbName = model.config.adapter.db_name || ALLOY_DB_DEFAULT,
resp = null,
db;
model.idAttribute = model.config.adapter.idAttribute || "id";
model.deletedAttribute = model.config.adapter.deletedAttribute || 'is_deleted';
// Debug mode
var DEBUG = opts.debug || model.config.debug;
// Are we dealing with a colleciton or a model?
var isCollection = ( model instanceof Backbone.Collection) ? true : false;
var singleModelRequest = null;
if (model.config.adapter.lastModifiedColumn) {
if (opts.sql && opts.sql.where) {
singleModelRequest = opts.sql.where[model.idAttribute];
}
if (!singleModelRequest && opts.data && opts.data[model.idAttribute]) {
singleModelRequest = opts.data[model.idAttribute];
}
}
var params = _.extend({}, opts);
// fill params with default values
_.defaults(params, {
// Last modified logic
lastModifiedColumn : model.config.adapter.lastModifiedColumn,
addModifedToUrl : model.config.adapter.addModifedToUrl,
lastModifiedDateFormat : model.config.adapter.lastModifiedDateFormat,
singleModelRequest : singleModelRequest,
// eTag
eTagEnabled : model.config.eTagEnabled,
// Used for custom parsing of the response data
parentNode : model.config.parentNode,
// Validate the response data and only allow those items with all columns defined in the object to be saved to the database.
useStrictValidation : model.config.useStrictValidation,
// before fethcing data from remote server - the adapter will return the stored data if enabled
initFetchWithLocalData : model.config.initFetchWithLocalData,
// If enabled - it will delete all the rows in the table on a successful fetch
deleteAllOnFetch : model.config.deleteAllOnFetch,
// If enabled - it will delete rows based a sql query on a successful fetch
deleteSQLOnFetch : model.config.deleteSQLOnFetch,
// Save data locally on server error?
disableSaveDataLocallyOnServerError : model.config.disableSaveDataLocallyOnServerError,
// Return the exact error reponse
returnErrorResponse : model.config.returnErrorResponse,
// Request params
requestparams : model.config.requestparams,
// xhr settings
timeout : 7000,
cache : false,
validatesSecureCertificate : ENV_PRODUCTION ? true : false
});
// REST API - set the type
var methodMap = {
'create' : 'POST',
'read' : 'GET',
'update' : 'PUT',
'delete' : 'DELETE'
};
var type = methodMap[method];
params.type = type;
// set default headers
params.headers = params.headers || {};
// process the runtime params
for (var header in params.headers) {
params.headers[header] = _.isFunction(params.headers[header]) ? params.headers[header]() : params.headers[header];
}
// Send our own custom headers
if (model.config.hasOwnProperty("headers")) {
for (var header in model.config.headers) {
// only process headers from model config if not provided through runtime params
if (!params.headers[header]) {
params.headers[header] = _.isFunction(model.config.headers[header]) ? model.config.headers[header]() : model.config.headers[header];
}
}
}
// We need to ensure that we have a base url.
if (!params.url) {
model.config.URL = _.isFunction(model.config.URL) ? model.config.URL() : model.config.URL;
params.url = (model.config.URL || model.url());
if (!params.url) {
Ti.API.error("[SQL REST API] ERROR: NO BASE URL");
return;
}
}
// Check if Last Modified is active
if (params.lastModifiedColumn && _.isUndefined(params.disableLastModified)) {
//send last modified model datestamp to the remote server
params.lastModifiedValue = null;
try {
params.lastModifiedValue = sqlLastModifiedItem();
} catch (e) {
logger(DEBUG, "LASTMOD SQL FAILED: ");
}
if (params.lastModifiedValue) {
params.headers['If-Modified-Since'] = params.lastModifiedValue;
}
}
// Extend the provided url params with those from the model config
if (_.isObject(params.urlparams) || model.config.URLPARAMS) {
if (_.isUndefined(params.urlparams)) {
params.urlparams = {};
}
_.extend(params.urlparams, _.isFunction(model.config.URLPARAMS) ? model.config.URLPARAMS() : model.config.URLPARAMS);
}
// parse url {requestparams}
_.each(params.requestparams, function(value, key) {
params.url = params.url.replace('{' + key + '}', value ? escape(value) : '', "gi");
});
// For older servers, emulate JSON by encoding the request into an HTML-form.
if (Alloy.Backbone.emulateJSON) {
params.contentType = 'application/x-www-form-urlencoded';
params.processData = true;
params.data = params.data ? {
model : params.data
} : {};
}
// For older servers, emulate HTTP by mimicking the HTTP method with `_method`
// And an `X-HTTP-Method-Override` header.
if (Alloy.Backbone.emulateHTTP) {
if (type === 'PUT' || type === 'DELETE') {
if (Alloy.Backbone.emulateJSON)
params.data._method = type;
params.type = 'POST';
params.beforeSend = function(xhr) {
params.headers['X-HTTP-Method-Override'] = type;
};
}
}
// json data transfers
params.headers['Content-Type'] = 'application/json';
logger(DEBUG, "REST METHOD: " + method);
switch (method) {
case 'create':
// convert to string for API call
params.data = JSON.stringify(model.toJSON());
logger(DEBUG, "create options", params);
apiCall(params, function(_response) {
if (_response.success) {
var data = parseJSON(_response, params.parentNode);
// Rest API should return a new model id.
resp = saveData(data);
_.isFunction(params.success) && params.success(resp);
} else {
// offline or error
// save data locally when server returned an error
if (!_response.localOnly && params.disableSaveDataLocallyOnServerError) {
params.returnErrorResponse && _.isFunction(params.error) && params.error(_response);
logger(DEBUG, "NOTICE: The data is not being saved locally");
} else {
resp = saveData();
if (_.isUndefined(_response.offline)) {
// error
_.isFunction(params.error) && params.error(params.returnErrorResponse ? _response : resp);
} else {
//offline - still a data success
_.isFunction(params.success) && params.success(resp);
}
}
}
});
break;
case 'read':
if (!isCollection && model.id) {
// find model by id
params.url = params.url + '/' + model.id;
}
if (params.search) {
// search mode
params.returnExactServerResponse = true;
params.url = params.url + "/search/" + Ti.Network.encodeURIComponent(params.search);
}
if (params.urlparams) {
// build url with parameters
params.url = encodeData(params.urlparams, params.url);
}
// check is all the necessary info is in place for last modified
if (params.lastModifiedColumn && params.addModifedToUrl && params.lastModifiedValue) {
// add last modified date to url
var obj = {};
obj[params.lastModifiedColumn] = params.lastModifiedValue;
params.url = encodeData(obj, params.url);
}
logger(DEBUG, "read options", params);
if (!params.localOnly && params.initFetchWithLocalData) {
// read local data before receiving server data
resp = readSQL();
_.isFunction(params.success) && params.success(resp);
model.trigger("fetch", {
serverData : false
});
}
apiCall(params, function(_response) {
if (_response.success) {
if (_response.code != 304) {
// delete all rows
if (params.deleteAllOnFetch) {
deleteAllSQL();
}
// delete on sql query
if (params.deleteSQLOnFetch) {
deleteBasedOnSQL(params.deleteSQLOnFetch);
}
// parse data
var data = parseJSON(_response, params.parentNode);
if (!params.localOnly) {
//we dont want to manipulate the data on localOnly requests
saveData(data, successFn);
} else {
successFn();
}
} else {
successFn();
}
function successFn() {
resp = readSQL(data);
_.isFunction(params.success) && params.success(resp);
model.trigger("fetch");
}
} else {
//error or offline - read local data
if (!params.localOnly && params.initFetchWithLocalData) {
} else {
resp = readSQL();
}
if (_.isUndefined(_response.offline)) {
//error
_.isFunction(params.error) && params.error(params.returnErrorResponse ? _response : resp);
} else {
//offline - still a data success
_.isFunction(params.success) && params.success(resp);
model.trigger("fetch");
}
}
});
break;
case 'update':
if (!model.id) {
params.error(null, "MISSING MODEL ID");
Ti.API.error("[SQL REST API] ERROR: MISSING MODEL ID");
return;
}
// setup the url & data
if (_.indexOf(params.url, "?") == -1) {
params.url = params.url + '/' + model.id;
} else {
var str = params.url.split("?");
params.url = str[0] + '/' + model.id + "?" + str[1];
}
if (params.urlparams) {
params.url = encodeData(params.urlparams, params.url);
}
params.data = JSON.stringify(model.toJSON());
logger(DEBUG, "update options", params);
apiCall(params, function(_response) {
if (_response.success) {
var data = parseJSON(_response, params.parentNode);
resp = saveData(data);
_.isFunction(params.success) && params.success(resp);
} else {
// error or offline - save & use local data
// save data locally when server returned an error
if (!_response.localOnly && params.disableSaveDataLocallyOnServerError) {
params.returnErrorResponse && _.isFunction(params.error) && params.error(_response);
logger(DEBUG, "NOTICE: The data is not being saved locally");
} else {
resp = saveData();
if (_.isUndefined(_response.offline)) {
// error
_.isFunction(params.error) && params.error(params.returnErrorResponse ? _response : resp);
} else {
//offline - still a data success
_.isFunction(params.success) && params.success(resp);
}
}
}
});
break;
case 'delete':
if (!model.id) {
params.error(null, "MISSING MODEL ID");
Ti.API.error("[SQL REST API] ERROR: MISSING MODEL ID");
return;
}
params.url = params.url + '/' + model.id;
logger(DEBUG, "delete options", params);
apiCall(params, function(_response) {
if (_response.success) {
var data = parseJSON(_response, params.parentNode);
resp = deleteSQL();
_.isFunction(params.success) && params.success(resp);
} else {
// error or offline
// save data locally when server returned an error
if (!_response.localOnly && params.disableSaveDataLocallyOnServerError) {
params.returnErrorResponse && _.isFunction(params.error) && params.error(_response);
logger(DEBUG, "NOTICE: The data is not being deleted locally");
} else {
resp = deleteSQL();
if (_.isUndefined(_response.offline)) {
// error
_.isFunction(params.error) && params.error(params.returnErrorResponse ? _response : resp);
} else {
//offline - still a data success
_.isFunction(params.success) && params.success(resp);
}
}
}
});
break;
}
/////////////////////////////////////////////
//SQL INTERFACE
/////////////////////////////////////////////
function saveData(data, callback) {
if (!data && !isCollection) {
data = model.toJSON();
}
if (!data) {
// its empty
return;
}
if (!_.isArray(data)) {// its a model
if (!_.isUndefined(data[model.deletedAttribute]) && data[model.deletedAttribute] == true) {
//delete item
deleteSQL(data[model.idAttribute]);
} else if (sqlFindItem(data[model.idAttribute]).length == 1) {
//item exists - update it
return updateSQL(data);
} else {
//write data to local sql
return createSQL(data);
}
} else {//its an array of models
var currentModels = sqlCurrentModels();
// Keeping App Responsive
if (!data || !data.length) {
callback && callback();
} else {
_.defer(iteration, data);
}
function iteration(data, i, queryList) {
i = _.isNumber(i) ? i : 0;
queryList = queryList || [];
if (_.isUndefined(data[i])){
return;
}
if (!_.isUndefined(data[i][model.deletedAttribute]) && data[i][model.deletedAttribute] == true) {
//delete item
queryList = deleteSQL(data[i][model.idAttribute], queryList);
} else if (_.indexOf(currentModels, data[i][model.idAttribute]) != -1) {
//item exists - update it
queryList = updateSQL(data[i], queryList);
} else {
//write data to local sql
queryList = createSQL(data[i], queryList);
}
if(++i < data.length) {
_.defer(iteration, data, i, queryList);
} else {
_.defer(function() {
if (queryList && queryList.length) {
db = Ti.Database.open(dbName);
db.execute('BEGIN;');
_.each(queryList, function(query) {
try {
db.execute(query.sql, query.values);
} catch (e) {
//
}
});
db.execute('COMMIT;');
db.close();
}
callback && callback();
});
}
}
}
}
function createSQL(data, queryList) {
var attrObj = {};
logger(DEBUG, "createSQL data:", data);
if (data) {
attrObj = data;
} else {
if (!isCollection) {
attrObj = model.toJSON();
} else {
Ti.API.error("[SQL REST API] Its a collection - error !");
}
}
if (!attrObj[model.idAttribute]) {
if (model.idAttribute === ALLOY_ID_DEFAULT) {
// alloy-created GUID field
attrObj.id = guid();
attrObj[model.idAttribute] = attrObj.id;
} else {
// idAttribute not assigned by alloy. Leave it empty and
// allow sqlite to process as null, which is the
// expected value for an AUTOINCREMENT field.
attrObj[model.idAttribute] = null;
}
}
//validate the item
if (params.useStrictValidation) {
for (var c in columns) {
if (c == model.idAttribute) {
continue;
}
if (!_.contains(_.keys(attrObj), c)) {
Ti.API.error("[SQL REST API] ITEM NOT VALID - REASON: " + c + " is not present");
return;
}
}
}
// Create arrays for insert query
var names = [],
values = [],
q = [];
for (var k in columns) {
names.push(k);
if (_.isObject(attrObj[k])) {
values.push(JSON.stringify(attrObj[k]));
} else {
values.push(attrObj[k]);
}
q.push('?');
}
// Last Modified logic
if (params.lastModifiedColumn && _.isUndefined(params.disableLastModified)) {
values[_.indexOf(names, params.lastModifiedColumn)] = params.lastModifiedDateFormat ? moment().format(params.lastModifiedDateFormat) : moment().lang('en').zone('GMT').format('ddd, D MMM YYYY HH:mm:ss ZZ');
}
// Assemble create query
var sqlInsert = "INSERT INTO " + table + " (" + names.join(",") + ") VALUES (" + q.join(",") + ");";
if (!_.isUndefined(queryList) && _.isFunction(queryList.push)) {
queryList.push({
"sql" : sqlInsert,
"values" : values
});
return queryList;
} else {
// execute the query and return the response
db = Ti.Database.open(dbName);
db.execute('BEGIN;');
db.execute(sqlInsert, values);
// get the last inserted id
if (model.id === null) {
var sqlId = "SELECT last_insert_rowid();";
var rs = db.execute(sqlId);
if (rs.isValidRow()) {
model.id = rs.field(0);
attrObj[model.idAttribute] = model.id;
} else {
Ti.API.warn('Unable to get ID from database for model: ' + model.toJSON());
}
}
db.execute('COMMIT;');
db.close();
}
return attrObj;
}
function readSQL(data) {
if (DEBUG) {
Ti.API.debug("[SQL REST API] readSQL");
logger(DEBUG, "\n******************************\nCollection total BEFORE read from db: " + model.length + " models\n******************************");
}
var sql = opts.query || 'SELECT * FROM ' + table;
// we want the exact server response returned by the adapter
if (params.returnExactServerResponse && data) {
opts.sql = opts.sql || {};
opts.sql.where = opts.sql.where || {};
if (_.isEmpty(data)) {
// No result
opts.sql.where[model.idAttribute] = "1=2";
} else {
// Find all idAttribute in the server response
var ids = [];
_.each(data, function(element) {
ids.push(element[model.idAttribute]);
});
// this will select IDs in the sql query
opts.sql.where[model.idAttribute] = ids;
}
}
// execute the select query
db = Ti.Database.open(dbName);
// run a specific sql query if defined
if (opts.query) {
if (opts.query.params) {
var rs = db.execute(opts.query.sql, opts.query.params);
} else {
var rs = db.execute(opts.query.sql);
}
} else {
//extend sql where with data
if (opts.data) {
opts.sql = opts.sql || {};
opts.sql.where = opts.sql.where || {};
_.extend(opts.sql.where, opts.data);
}
// build the sql query
var sql = _buildQuery(table, opts.sql || opts);
logger(DEBUG, "SQL QUERY: " + sql);
var rs = db.execute(sql);
}
var len = 0,
values = [];
// iterate through all queried rows
while (rs.isValidRow()) {
var o = {};
var fc = 0;
fc = _.isFunction(rs.fieldCount) ? rs.fieldCount() : rs.fieldCount;
// create list of rows returned from query
_.times(fc, function(c) {
var fn = rs.fieldName(c);
o[fn] = rs.fieldByName(fn);
});
values.push(o);
// Only push models if its a collection
// and not if we are using fetch({add:true})
if (isCollection && !params.add) {
//push the models
var m = new model.config.Model(o);
model.models.push(m);
}
len++;
rs.next();
}
// close off db after read query
rs.close();
db.close();
// shape response based on whether it's a model or collection
if (isCollection && !params.add) {
model.length = len;
}
logger(DEBUG, "\n******************************\n readSQL db read complete: " + len + " models \n******************************");
resp = len === 1 ? values[0] : values;
return resp;
}
function updateSQL(data, queryList) {
var attrObj = {};
logger(DEBUG, "updateSQL data: ", data);
if (data) {
attrObj = data;
} else {
if (!isCollection) {
attrObj = model.toJSON();
} else {
Ti.API.error("Its a collection - error!");
}
}
// Create arrays for insert query
var names = [],
values = [],
q = [];
for (var k in columns) {
if (!_.isUndefined(attrObj[k])) {//only update those who are in the data
names.push(k + '=?');
if (_.isObject(attrObj[k])) {
values.push(JSON.stringify(attrObj[k]));
} else {
values.push(attrObj[k]);
}
q.push('?');
}
}
if (params.lastModifiedColumn && _.isUndefined(params.disableLastModified)) {
values[_.indexOf(names, params.lastModifiedColumn + "=?")] = params.lastModifiedDateFormat ? moment().format(params.lastModifiedDateFormat) : moment().lang('en').zone('GMT').format('YYYY-MM-DD HH:mm:ss ZZ');
}
// compose the update query
var sql = 'UPDATE ' + table + ' SET ' + names.join(',') + ' WHERE ' + model.idAttribute + '=?';
values.push(attrObj[model.idAttribute]);
logger(DEBUG, "updateSQL sql query: " + sql);
logger(DEBUG, "updateSQL values: ", values);
if (queryList) {
queryList.push({
"sql" : sql,
"values" : values
});
return queryList;
} else {
// execute the update
db = Ti.Database.open(dbName);
db.execute(sql, values);
db.close();
}
return attrObj;
}
function deleteSQL(id, queryList) {
var sql = 'DELETE FROM ' + table + ' WHERE ' + model.idAttribute + '=?';
if (queryList) {
queryList.push({
"sql" : sql,
"values" : id || model.id
});
return queryList;
} else {
// execute the delete
db = Ti.Database.open(dbName);
db.execute(sql, id || model.id);
db.close();
model.id = null;
}
return model.toJSON();
}
function deleteAllSQL() {
var sql = 'DELETE FROM ' + table;
db = Ti.Database.open(dbName);
db.execute(sql);
db.close();
}
function deleteBasedOnSQL(obj) {
if (!_.isObject(obj)) {
Ti.API.error("[SQL REST API] deleteBasedOnSQL :: Error no object provided");
return;
}
var sql = _buildQuery(table, obj, "DELETE");
db = Ti.Database.open(dbName);
db.execute(sql);
db.close();
}
function sqlCurrentModels() {
var sql = 'SELECT ' + model.idAttribute + ' FROM ' + table;
db = Ti.Database.open(dbName);
var rs = db.execute(sql);
var output = [];
while (rs.isValidRow()) {
output.push(rs.fieldByName(model.idAttribute));
rs.next();
}
rs.close();
db.close();
return output;
}
function sqlFindItem(_id) {
if (_.isUndefined(_id)) {
return [];
}
var sql = 'SELECT ' + model.idAttribute + ' FROM ' + table + ' WHERE ' + model.idAttribute + '=?';
db = Ti.Database.open(dbName);
var rs = db.execute(sql, _id);
var output = [];