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Increase performance #25

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Increase performance #25

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450ead4
Code format and indent
enniosousa Jun 13, 2022
7f07967
Increase performance
enniosousa Jun 13, 2022
39baee7
Indent with 2 spaces
enniopruvo Jun 14, 2022
7db140e
Optional cache: default is disabled
enniopruvo Jun 15, 2022
9c96843
Add `shouldCache` property to docs
enniopruvo Jun 15, 2022
995f8d8
Rollback method to `updateAttributes` name
enniopruvo Jun 17, 2022
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,7 @@ Returns a table class extended from `Tamotsu.Table`.
|autoIncrement |boolean|If true, id is automatically incremented when its value is blank (Default: true)|
|rowShift |number |Number of rows before the start of the table (Default: 0)|
|columnShift |number |Number of columns before the start of the table (Default: 0)|
|shouldCache |boolean|If true, all data will be cached (Default: false)|

#### Prepared `instanceProperties`
|Key |Type |Description|
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2 changes: 1 addition & 1 deletion init.js
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Expand Up @@ -13,7 +13,7 @@ function initialize(spreadsheet) {
ss_ = spreadsheet || SpreadsheetApp.getActive();
Table = createTable_();
Relation_ = createRelation_();
callbacks_.forEach(function(callback) {
callbacks_.forEach(function (callback) {
callback(spreadsheet);
});
}
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182 changes: 100 additions & 82 deletions models/Relation_.js
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@@ -1,75 +1,93 @@
var createRelation_ = function() {
var Relation_ = function(TableClass) {
var createRelation_ = function () {
var Relation_ = function (TableClass) {
this.Table = TableClass;
this.predicates = [];
};

Object.defineProperties(Relation_.prototype, {
where: { value: function(predicate) {
this.predicates.push(predicate);
return this;
}},

all: { value: function() {
var records = [];
var that = this;
this.Table.allValues().forEach(function(values, i) {
var record = new that.Table(that.Table.objectFrom(values), { row_: i + 2 });
var passed = true;
for (var i = 0; i < that.predicates.length; i++) {
passed = passed && evaluate(that.predicates[i], record);
if (!passed) break;
}
if (passed) records.push(record);
});

if (!this.comparator) return records;
return compare(this.comparator, records);
}},

first: { value: function() {
var records = this.all();
return records.length > 0 ? records[0] : null;
}},

last: { value: function() {
var records = this.all();
return records.length > 0 ? records[records.length - 1] : null;
}},

pluck: { value: function(column) {
var result = [];
var that = this;
this.all().forEach(function(record) {
result.push(record[column]);
});
return result;
}},

sum: { value: function(column) {
var total = 0;
var that = this;
this.all().forEach(function(record) {
total += Number(record[column]);
});
return total;
}},

max: { value: function(column) {
return Math.max.apply(null, this.pluck(column));
}},

min: { value: function(column) {
return Math.min.apply(null, this.pluck(column));
}},

order: { value: function(comparator) {
this.comparator = comparator;
return this;
}},
where: {
value: function (predicate) {
this.predicates.push(predicate);
return this;
}
},

all: {
value: function () {
var records = [];
var that = this;
this.Table.allValues().forEach(function (values, i) {
var record = new that.Table(that.Table.objectFrom(values), { row_: i + 2 });
var passed = true;
for (var i = 0; i < that.predicates.length; i++) {
passed = passed && evaluate(that.predicates[i], record);
if (!passed) break;
}
if (passed) records.push(record);
});

if (!this.comparator) return records;
return compare(this.comparator, records);
}
},

first: {
value: function () {
var records = this.all();
return records.length > 0 ? records[0] : null;
}
},

last: {
value: function () {
var records = this.all();
return records.length > 0 ? records[records.length - 1] : null;
}
},

pluck: {
value: function (column) {
var result = [];
var that = this;
this.all().forEach(function (record) {
result.push(record[column]);
});
return result;
}
},

sum: {
value: function (column) {
var total = 0;
var that = this;
this.all().forEach(function (record) {
total += Number(record[column]);
});
return total;
}
},

max: {
value: function (column) {
return Math.max.apply(null, this.pluck(column));
}
},

min: {
value: function (column) {
return Math.min.apply(null, this.pluck(column));
}
},

order: {
value: function (comparator) {
this.comparator = comparator;
return this;
}
},
});
var evaluate = function(predicate, record) {

var evaluate = function (predicate, record) {
var t = typeof predicate;
if (t === 'function') {
return predicate(record);
Expand All @@ -79,51 +97,51 @@ var createRelation_ = function() {
throw 'Invalid where condition [' + predicate + ']';
}
};
var evaludateAsObject = function(object, record) {

var evaludateAsObject = function (object, record) {
var passed = true;
for (var attr in object) {
passed = passed && record[attr] === object[attr];
if (!passed) return false;
}
return true;
};
var compare = function(comparator, records) {

var compare = function (comparator, records) {
var t = typeof comparator;
if (t === 'function') return records.sort(comparator);
if (t === 'string') return records.sort(createComparator(comparator));
throw 'Invalid order comparator [' + comparator + ']';
};
var createComparator = function(strComparator) {

var createComparator = function (strComparator) {
var funcs = [];
strComparator.split(',').forEach(function(part) {
strComparator.split(',').forEach(function (part) {
var attr, order;
[attr, order] = part.trim().split(/\s+(?=(?:asc|desc))/i);
order = (order || 'asc');
if (order.toLocaleLowerCase() === 'asc') {
funcs.push(function(a, b) {
funcs.push(function (a, b) {
if (a[attr] < b[attr]) return -1;
if (a[attr] > b[attr]) return 1;
if (a[attr] > b[attr]) return 1;
return 0;
});
} else if (order.toLocaleLowerCase() === 'desc') {
funcs.push(function(a, b) {
funcs.push(function (a, b) {
if (a[attr] > b[attr]) return -1;
if (a[attr] < b[attr]) return 1;
if (a[attr] < b[attr]) return 1;
return 0;
});
} else {
throw 'Invalid order comparator [' + strComparator + ']';
}
});

return createCombinedComparator(funcs);
};
var createCombinedComparator = function(comparators) {
return function(a, b) {

var createCombinedComparator = function (comparators) {
return function (a, b) {
for (var i = 0; i < comparators.length; i++) {
var r = comparators[i](a, b);
if (r !== 0) return r;
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