added Exception classes

implement Exceptions in the main class

src/Exceptions/CurlExtensionNotLoadedException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class CurlExtensionNotLoadedException extends Exception
+{
+    public function __construct()
+    {
+        parent::__construct('The PHP curl extension is not loaded. Please correct this before proceeding!');
+    }
+}

src/Exceptions/CurlGeneralErrorException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class CurlGeneralErrorException extends Exception
+{
+    /** @var mixed $_http_response_code */
+    private $_http_response_code;
+
+    /** @var mixed $_curl_getinfo_results */
+    private $_curl_getinfo_results;
+
+    public function __construct(string $message, $http_response_code, $_curl_getinfo_results)
+    {
+        $this->_http_response_code   = $http_response_code;
+        $this->_curl_getinfo_results = $_curl_getinfo_results;
+
+        parent::__construct($message);
+    }
+
+    /**
+     * Get the HTTP response code.
+     *
+     * @return mixed
+     */
+    public function getHttpResponseCode()
+    {
+        return $this->_http_response_code;
+    }
+
+    /**
+     * Get the cURL curl_getinfo results.
+     *
+     * @return mixed
+     */
+    public function getCurlGetinfoResults()
+    {
+        return $this->_curl_getinfo_results;
+    }
+}

src/Exceptions/CurlTimeoutException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class CurlTimeoutException extends Exception
+{
+    /** @var mixed $_http_response_code */
+    private $_http_response_code;
+
+    /** @var mixed $_curl_getinfo_results */
+    private $_curl_getinfo_results;
+
+    public function __construct(string $message, $http_response_code, $curl_getinfo_results)
+    {
+        $this->_http_response_code   = $http_response_code;
+        $this->_curl_getinfo_results = $curl_getinfo_results;
+
+        parent::__construct($message);
+    }
+
+    /**
+     * Get the HTTP response code.
+     *
+     * @return mixed
+     */
+    public function getHttpResponseCode()
+    {
+        return $this->_http_response_code;
+    }
+
+    /**
+     * Get the cURL curl_getinfo results.
+     *
+     * @return mixed
+     */
+    public function getCurlGetinfoResults()
+    {
+        return $this->_curl_getinfo_results;
+    }
+}

src/Exceptions/EmailInvalidException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class EmailInvalidException extends Exception
+{
+    public function __construct()
+    {
+        parent::__construct('Invalid email address provided.');
+    }
+}

src/Exceptions/InvalidBaseUrlException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class InvalidBaseUrlException extends Exception
+{
+    public function __construct()
+    {
+        parent::__construct('The base URL provided is invalid.');
+    }
+}

src/Exceptions/InvalidCurlMethodException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class InvalidCurlMethodException extends Exception
+{
+    public function __construct()
+    {
+        parent::__construct('Invalid cURL method provided.');
+    }
+}

src/Exceptions/InvalidSiteNameException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class InvalidSiteNameException extends Exception
+{
+    public function __construct()
+    {
+        parent::__construct('Invalid site name provided.');
+    }
+}

src/Exceptions/JsonDecodeException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class JsonDecodeException extends Exception
+{
+    //
+}

src/Exceptions/LoginFailedException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class LoginFailedException extends Exception
+{
+    //
+}

src/Exceptions/LoginRequiredException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class LoginRequiredException extends Exception
+{
+    public function __construct()
+    {
+        parent::__construct('This method requires the API client to be logged in first.');
+    }
+}

src/Exceptions/MethodDeprecatedException.php

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+<?php
+
+namespace UniFi_API\Exceptions;
+
+use Exception;
+
+class MethodDeprecatedException extends Exception
+{
+    //
+}