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wiosna-dev_common-library/docs/Value-Objects.md
2019-03-04 19:25:38 +01:00

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# Meritoo Common Library
Common and useful classes, methods, exceptions etc.
# Value Objects
Located in `Meritoo\Common\ValueObject` namespace and in `src/ValueObject/` directory.
### Address
##### Namespace
`Meritoo\Common\ValueObject\Address`
##### Info
Represents address of company, institution, user etc. Contains properties:
1. `$street` - the street
2. `$buildingNumber` - the number of building
3. `$flatNumber` - the number of flat
4. `$zipCode` - the zip code
5. `$city` - the city, location
##### New instance
New instance can be created using constructor
```php
new Address('New York', '00123', '4th Avenue', '10', '200');
```
##### Methods
Has getters for each property, e.g. `getFlatNumber()` or `getZipCode()`, and 1 extra method:
```php
getFullStreet()
```
that returns name of street with related numbers (building & flat number).
Example:
```php
$address = new Address('New York', '00123', '4th Avenue', '10', '200');
$fullStreet = $address->getFullStreet(); // "4th Avenue 10/200"
```
##### Conversion to string (the `__toString()` method)
Instance of `Address` may be represented as string that contains all non-empty properties separated by `, `.
Example:
```php
$address = new Address('New York', '00123', '4th Avenue', '10', '200');
$asString = (string)$address; // "4th Avenue 10/200, 00123, New York"
```
### BankAccount
##### Namespace
`Meritoo\Common\ValueObject\BankAccount`
##### Info
Represents bank account. Contains properties:
1. `$bankName` - name of bank
2. `$accountNumber` - number of bank's account
##### New instance
New instance can be created using constructor
```php
new BankAccount('Bank of America', '1234567890')
```
##### Methods
Has getters for each property `getBankName()` and `getAccountNumber()`.
##### Conversion to string (the `__toString()` method)
Instance of `BankAccount` may be represented as string that contains all non-empty properties separated by `, `.
Example:
```php
$bank = new BankAccount('Bank of America', '1234567890');
$asString = (string)$bank; // "Bank of America, 1234567890"
```
### Company
##### Namespace
`Meritoo\Common\ValueObject\Company`
##### Info
Represents a company. Contains properties:
1. `$name` - name of company
2. `$address` - address of company
3. `$bankAccount` - bank account of company
##### New instance
New instance can be created using constructor:
```php
new Company(
'Test 1',
new Address('New York', '00123', '4th Avenue', '10', '200'),
new BankAccount('Bank 1', '12345')
);
```
##### Methods
Has getters for each property `getName()`, `getAddress()` and `getBankAccount()`.
##### Conversion to string (the `__toString()` method)
Instance of `Company` may be represented as string that contains all non-empty properties separated by `, `.
Example:
```php
$company = new Company(
'Test 1',
new Address('New York', '00123', '4th Avenue', '10', '200'),
new BankAccount('Bank 1', '12345')
);
$asString = (string)$company; // "Test 1, 4th Avenue 10/200, 00123, New York, Bank 1, 12345"
```
### Human
##### Namespace
`Meritoo\Common\ValueObject\Human`
##### Info
Represents human. Based on `\Meritoo\Common\Traits\ValueObject\HumanTrait` trait. Contains properties same as `HumanTrait` trait:
1. `$firstName` - first name
2. `$lastName` - last name
3. `$email` - email address
4. `$birthDate` - birth date
##### New instance
New instance can be created using constructor:
```php
new Human('John', 'Scott', 'john@scott.com', new \DateTime('2001-01-01'));
```
##### Methods
Has getters for each property, e.g. `getFirstName()`, `getEmail()` etc.
##### Conversion to string (the `__toString()` method)
Instance of `Human` may be represented as string that contains first name, last name and email address (if provided).
Example:
```php
$human1 = new Human('John', 'Scott');
$asString1 = (string)$human1; // "John Scott"
$human2 = new Human('John', 'Scott', 'john@scott.com', new \DateTime('2001-01-01'));
$asString2 = (string)$human2; // "John Scott <john@scott.com>"
```
### Version
##### Namespace
`Meritoo\Common\ValueObject\Version`
##### Info
Represents version of software. Contains properties:
1. `$majorPart` - the "major" part of version
2. `$minorPart` - the "minor" part of version
3. `$patchPart` - the "patch" part of version
##### New instance
New instance can be created using:
1. Constructor:
```php
new Version(1, 0, 2);
```
2. Static methods:
1. `fromArray()` - creates new instance using given version as array
```php
Version::fromArray([1, 0, 2]);
```
2. `fromString()` - creates new instance using given version as string:
```php
Version::fromString('1.0.2');
```
##### Conversion to string (the `__toString()` method)
Instance of `Version` may be represented as string that contains all properties separated by `.` (`$majorPart`.`$minorPart`.`$patchPart`).
Example:
```php
$version = new Version(1, 0, 2);
$asString = (string)$version; // "1.0.2"
```
# More
1. [Base test case (with common methods and data providers)](Base-test-case.md)
2. [Collection of elements](Collection-of-elements.md)
3. [Exceptions](Exceptions.md)
4. [Static methods](Static-methods.md)
1. [Arrays](Static-methods/Arrays.md)
2. [Regex](Static-methods/Regex.md)
5. [**Value Objects**](Value-Objects.md)
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