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index.js
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index.js
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(function() {
var Promise = require("bluebird");
var gen1_listComprehension = function(items, areRanges, block) {
return new Promise(function(onFulfilled, onRejected) {
var indexes = [];
var results = {};
var completed = 0;
var wasError = false;
if (items.length > 0) {
for (var n = 0; n < items.length; n++) {
Promise.resolve(block(n, items[n], function(result, index) {
indexes.push(index);
results[index] = result;
})).then(function(result) {
completed++;
if (completed == items.length && !wasError) {
var sortedResults = [];
indexes.sort();
for (n = 0; n < indexes.length; n++) {
if (areRanges) {
sortedResults.push.apply(sortedResults, results[indexes[n]]);
} else {
sortedResults.push(results[indexes[n]]);
}
}
onFulfilled(sortedResults);
}
}, onRejected);
}
} else {
onFulfilled([]);
}
});
};
var prototype = function(p) {
function constructor() {}
p = p || {};
constructor.prototype = p;
function derive(derived) {
var o = new constructor();
if (derived) {
var keys = Object.keys(derived);
for (var n = 0; n < keys.length; n++) {
var key = keys[n];
o[key] = derived[key];
}
}
return o;
}
derive.prototype = p;
return derive;
};
var prototypeExtending = function(p, obj) {
return prototype(prototype(p.prototype)(obj));
};
var self = this;
var crypto, _, mssqlDriver, pgDriver, mysqlDriver, rowBase, option;
crypto = require("crypto");
_ = require("underscore");
mssqlDriver = require("./mssqlDriver");
pgDriver = require("./pgDriver");
mysqlDriver = require("./mysqlDriver");
rowBase = function() {
var fieldsForObject, foreignFieldsForObject, insert, update, foreignField, saveManyToOne, saveManyToOnes, saveOneToMany, saveOneToManys, hash;
fieldsForObject = function(obj) {
return function() {
var gen2_results, gen3_items, gen4_i, key;
gen2_results = [];
gen3_items = Object.keys(obj);
for (gen4_i = 0; gen4_i < gen3_items.length; ++gen4_i) {
key = gen3_items[gen4_i];
(function(key) {
var value;
value = obj[key];
if (value instanceof Date || value !== null && value !== void 0 && !(value instanceof Object)) {
return gen2_results.push(key);
}
})(key);
}
return gen2_results;
}();
};
foreignFieldsForObject = function(obj) {
return function() {
var gen5_results, gen6_items, gen7_i, key;
gen5_results = [];
gen6_items = Object.keys(obj);
for (gen7_i = 0; gen7_i < gen6_items.length; ++gen7_i) {
key = gen6_items[gen7_i];
(function(key) {
var value;
if (!/^_/.test(key) && key !== obj._meta.id) {
value = obj[key];
if (!(value instanceof Date) && value instanceof Object) {
return gen5_results.push(key);
}
}
})(key);
}
return gen5_results;
}();
};
insert = function(obj) {
var keys, fields, values, outputId, statementString, gen8_asyncResult, r, insertedId;
return new Promise(function(gen9_onFulfilled) {
keys = fieldsForObject(obj);
fields = keys.join(", ");
values = function() {
var gen10_results, gen11_items, gen12_i, key;
gen10_results = [];
gen11_items = keys;
for (gen12_i = 0; gen12_i < gen11_items.length; ++gen12_i) {
key = gen11_items[gen12_i];
(function(key) {
return gen10_results.push("@" + key);
})(key);
}
return gen10_results;
}().join(", ");
outputId = function() {
if (typeof obj._meta.id === "string") {
return {
beforeValues: function() {
var self = this;
return obj._meta.db.driver.outputIdBeforeValues(obj._meta.id);
},
afterValues: function() {
var self = this;
return obj._meta.db.driver.outputIdAfterValues(obj._meta.id);
}
};
} else {
return {
beforeValues: function() {
var self = this;
return "";
},
afterValues: function() {
var self = this;
return "";
}
};
}
}();
statementString = "insert into " + obj._meta.table + "\n (" + fields + ")\n " + outputId.beforeValues() + "\n values (" + values + ")\n " + outputId.afterValues();
gen9_onFulfilled(Promise.resolve(obj._meta.db.query(statementString, _.pick(obj, keys))).then(function(gen8_asyncResult) {
r = gen8_asyncResult;
obj.setSaved();
if (!obj._meta.compoundKey) {
insertedId = obj._meta.db.driver.insertedId(r, obj._meta.id);
obj[obj._meta.id] = insertedId;
}
return obj.setNotChanged();
}));
});
};
update = function(obj) {
var keys, assignments, gen13_o, whereClause, statementString, gen14_asyncResult;
return new Promise(function(gen9_onFulfilled) {
keys = function() {
var gen15_results, gen16_items, gen17_i, key;
gen15_results = [];
gen16_items = fieldsForObject(obj);
for (gen17_i = 0; gen17_i < gen16_items.length; ++gen17_i) {
key = gen16_items[gen17_i];
(function(key) {
if (key !== obj._meta.id) {
return gen15_results.push(key);
}
})(key);
}
return gen15_results;
}();
assignments = function() {
var gen18_results, gen19_items, gen20_i, key;
gen18_results = [];
gen19_items = keys;
for (gen20_i = 0; gen20_i < gen19_items.length; ++gen20_i) {
key = gen19_items[gen20_i];
(function(key) {
return gen18_results.push(key + " = @" + key);
})(key);
}
return gen18_results;
}().join(", ");
whereClause = function() {
if (obj._meta.compoundKey) {
gen13_o = keys;
gen13_o.push.apply(gen13_o, obj._meta.id);
return function() {
var gen21_results, gen22_items, gen23_i, key;
gen21_results = [];
gen22_items = obj._meta.id;
for (gen23_i = 0; gen23_i < gen22_items.length; ++gen23_i) {
key = gen22_items[gen23_i];
(function(key) {
return gen21_results.push(key + " = @" + key);
})(key);
}
return gen21_results;
}().join(" and ");
} else {
if (obj.identity() === void 0) {
throw new Error("entity must have " + obj._meta.id + " to be updated");
}
keys.push(obj._meta.id);
return obj._meta.id + " = @" + obj._meta.id;
}
}();
statementString = "update " + obj._meta.table + " set " + assignments + " where " + whereClause;
gen9_onFulfilled(Promise.resolve(obj._meta.db.query(statementString, _.pick(obj, keys))).then(function(gen14_asyncResult) {
gen14_asyncResult;
return obj.setNotChanged();
}));
});
};
foreignField = function(obj, field) {
var v;
v = obj[field];
if (v instanceof Function) {
return obj[field]();
} else {
return v;
}
};
saveManyToOne = function(obj, field) {
var value, gen24_asyncResult, foreignId;
return new Promise(function(gen9_onFulfilled) {
value = foreignField(obj, field);
gen9_onFulfilled(Promise.resolve(function() {
if (!(value instanceof Array)) {
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(value.save()).then(function(gen25_asyncResult) {
gen25_asyncResult;
foreignId = function() {
if (obj._meta.foreignKeyFor) {
return obj._meta.foreignKeyFor(field);
} else {
return field + "_id";
}
}();
if (!value._meta.compoundKey) {
return obj[foreignId] = value.identity();
}
}));
});
}
}()));
});
};
saveManyToOnes = function(obj) {
var gen26_asyncResult;
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(gen1_listComprehension(foreignFieldsForObject(obj), false, function(gen27_index, field, gen28_result) {
var gen29_asyncResult;
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(saveManyToOne(obj, field)).then(function(gen29_asyncResult) {
return gen28_result(gen29_asyncResult, gen27_index);
}));
});
})));
});
};
saveOneToMany = function(obj, field) {
var items, gen30_asyncResult;
return new Promise(function(gen9_onFulfilled) {
items = foreignField(obj, field);
gen9_onFulfilled(Promise.resolve(function() {
if (items instanceof Array) {
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(gen1_listComprehension(items, false, function(gen31_index, item, gen32_result) {
var gen33_asyncResult;
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(item.save()).then(function(gen33_asyncResult) {
return gen32_result(gen33_asyncResult, gen31_index);
}));
});
})));
});
}
}()));
});
};
saveOneToManys = function(obj) {
var gen34_asyncResult;
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(gen1_listComprehension(foreignFieldsForObject(obj), false, function(gen35_index, field, gen36_result) {
var gen37_asyncResult;
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(saveOneToMany(obj, field)).then(function(gen37_asyncResult) {
return gen36_result(gen37_asyncResult, gen35_index);
}));
});
})));
});
};
hash = function(obj) {
var h, fields;
h = crypto.createHash("md5");
fields = function() {
var gen38_results, gen39_items, gen40_i, field;
gen38_results = [];
gen39_items = fieldsForObject(obj);
for (gen40_i = 0; gen40_i < gen39_items.length; ++gen40_i) {
field = gen39_items[gen40_i];
(function(field) {
return gen38_results.push([ field, obj[field] ]);
})(field);
}
return gen38_results;
}();
h.update(JSON.stringify(fields));
return h.digest("hex");
};
return prototype({
save: function(gen41_options) {
var self = this;
var force;
force = gen41_options !== void 0 && Object.prototype.hasOwnProperty.call(gen41_options, "force") && gen41_options.force !== void 0 ? gen41_options.force : false;
var gen42_asyncResult;
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(function() {
if (!self._saving) {
return new Promise(function(gen9_onFulfilled) {
self.setSaving(true);
gen9_onFulfilled(new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(saveManyToOnes(self)).then(function(gen43_asyncResult) {
gen43_asyncResult;
return Promise.resolve(function() {
if (self.changed() || force) {
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(function() {
if (!self.saved()) {
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(insert(self)));
});
} else {
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(update(self)));
});
}
}()));
});
}
}()).then(function(gen44_asyncResult) {
gen44_asyncResult;
return Promise.resolve(saveOneToManys(self));
});
}));
}).then(function(gen45_result) {
return Promise.resolve(self.setSaving(false)).then(function() {
return gen45_result;
});
}, function(gen45_result) {
return Promise.resolve(self.setSaving(false)).then(function() {
throw gen45_result;
});
}));
});
}
}()));
});
},
changed: function() {
var self = this;
return !self._hash || self._hash !== hash(self);
},
identity: function() {
var self = this;
if (self._meta.compoundKey) {
return function() {
var gen46_results, gen47_items, gen48_i, id;
gen46_results = [];
gen47_items = self._meta.id;
for (gen48_i = 0; gen48_i < gen47_items.length; ++gen48_i) {
id = gen47_items[gen48_i];
(function(id) {
return gen46_results.push(self[id]);
})(id);
}
return gen46_results;
}();
} else {
return self[self._meta.id];
}
},
saved: function() {
var self = this;
return self._saved;
},
setSaving: function(saving) {
var self = this;
if (saving) {
return Object.defineProperty(self, "_saving", {
value: true,
configurable: true
});
} else {
return delete self._saving;
}
},
setNotChanged: function() {
var self = this;
if (self._hash) {
return self._hash = hash(self);
} else {
return Object.defineProperty(self, "_hash", {
value: hash(self),
writable: true
});
}
},
setSaved: function() {
var self = this;
if (!self._saved) {
return Object.defineProperty(self, "_saved", {
value: true
});
}
},
find: function(id) {
var self = this;
var obj = self;
return new Promise(function(gen9_onFulfilled) {
if (!id) {
throw new Error("You must provide an id to select with");
}
var statementString = "select * from " + self._meta.table + " where " + self._meta.id + " = " + id;
gen9_onFulfilled(Promise.resolve(obj._meta.db.query(statementString)).then(function(rows) {
var r = rows[0]
if(_.has(obj._meta, 'publicFields')) {
r = _.pick(r, obj._meta.publicFields);
}
return r;
}));
});
}
});
//Adding the tradition read-only functions like find, findOne for simplorm
}();
option = function(obj, property, value) {
var opt;
if (obj.hasOwnProperty(property)) {
opt = obj[property];
delete obj[property];
return opt;
} else {
return value;
}
};
exports.db = function(config) {
var self = this;
var db;
db = {
log: function() {
if (config) {
return config.log;
}
}(),
config: config,
model: function(modelConfig) {
var self = this;
var foreignKeyFor, id, table, publicFields, modelPrototype, model;
foreignKeyFor = option(modelConfig, "foreignKeyFor");
id = option(modelConfig, "id", "id");
table = option(modelConfig, "table");
publicFields = option(modelConfig, "publicFields", []);
modelConfig._meta = {
table: table,
id: id,
db: self,
foreignKeyFor: foreignKeyFor,
compoundKey: id instanceof Array,
publicFields: publicFields
};
modelPrototype = prototypeExtending(rowBase, modelConfig);
model = function(obj, gen49_options) {
var saved, modified;
saved = gen49_options !== void 0 && Object.prototype.hasOwnProperty.call(gen49_options, "saved") && gen49_options.saved !== void 0 ? gen49_options.saved : false;
modified = gen49_options !== void 0 && Object.prototype.hasOwnProperty.call(gen49_options, "modified") && gen49_options.modified !== void 0 ? gen49_options.modified : false;
var row;
row = modelPrototype(obj);
if (saved) {
row.setSaved();
if (!modified) {
row.setNotChanged();
}
}
return row;
};
model.query = function() {
var self = this;
var args = Array.prototype.slice.call(arguments, 0, arguments.length);
var gen50_asyncResult, gen51_asyncResult, gen52_o;
return new Promise(function(gen9_onFulfilled) {
gen52_o = db;
gen9_onFulfilled(Promise.resolve(gen52_o.query.apply(gen52_o, args)).then(function(gen51_asyncResult) {
return Promise.resolve(gen1_listComprehension(gen51_asyncResult, false, function(gen53_index, e, gen54_result) {
return gen54_result(self(e, {
saved: true
}), gen53_index);
}));
}));
});
};
return model;
},
query: function(query, params) {
var self = this;
self.logQuery(query, params);
return self.driver.query(query, params);
},
logQuery: function(query, params) {
var self = this;
if (self.log) {
if (self.log instanceof Function) {
return self.log(query, params);
} else {
return console.log(query, params);
}
}
},
connect: function(config) {
var self = this;
var gen55_asyncResult;
return new Promise(function(gen9_onFulfilled) {
self.driver = {
mssql: mssqlDriver,
pg: pgDriver,
mysql: mysqlDriver
}[config.driver]();
gen9_onFulfilled(Promise.resolve(self.driver.connect(config)));
});
},
close: function() {
var self = this;
return self.driver.close();
}
};
if (config) {
return function() {
var gen56_asyncResult;
return new Promise(function(gen9_onFulfilled) {
gen9_onFulfilled(Promise.resolve(db.connect(config)).then(function(gen56_asyncResult) {
gen56_asyncResult;
return db;
}));
});
}();
} else {
return db;
}
};
}).call(this);